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USE&us s8 /, cs s/;z OPERATING LOCATION - A USAFETAC Air Weather Service (MAC) SELECTE DTI I E J2 13S&FETAc' "LIMITED SURFACE OBSERVATIONS" CLIMATIC SUMMARY "LISOCS" VAN NUYS CA MSC #722886 N 34 13 W 118 29 ELEV 799 FT KVNY W PARTS A - F HOURS SUMMARIZED: 0500-2300 PERIOD OF RECORD: HOURLY OBSERVATIONS: MAY 77 - APR 87 SUMMARY OF DAY DATA: NONE FEDERAL BUILDING "Approved for public release; Distribution Unlimit MAEVILLE, N.C. 28801-2723 88 1 26 u26
II II L A NT!S CRI ~--* limited SURFACE OSERVATIONS CLIMATIC SUMMARY 1-) STATION NAME: VAN NUTS CA STATION NUMBER: 72288 CALL IU: KVNY PERIOD OF RECORD: 1OURS SUJMMARIZED: 0500-7300 LS! I-OURLY OBSERVATIONS: MAY 77 - APR 87 SUMMAPY OF OAY DA TA: NONE TIME CONVERSION LST IC GMT: -8 DATE PRODUCED: 04 AUG 87...
OL-A/USAFETAC/MAC/AWS ASHEVILLE NC 28801 LIMITED SURFACE OBSERVATIONS CLIMATIC SUMMARIES--LISOCS HOURLY OBSERVATIONS: INTERVALS. ALL RtCORD OR RECORD SPECIAL ObSERVATIONS RECORDED ON THE AWS FORMS 10/IDA Al SCHEDULED HOURLY SUPPLEMENTAL DATA: DATA DERIVED FORM EARLIER PERIODS IF AVAILABLE, ANDOR FROM ONE OR MORE REPRESENTATIVE SITES AND COMBINED BY A METEOROLOGIST. DESCRIPTION OF SUMMARIES: PRECEEDING EACH PART OF THE RUSSWO IS A BRIEF DISCUSSION OF TI-F SUMMARY INCLUDING THE MANNER OF PRESENTATION. OUPLY SUMMARIES CONTAINING "TOTALS" AND "ALL HOURS" ARE ONLY FOR THOSE HOURS SUMMARIZED. IN COMPUTING THESE VALUES THE VALUES IN THE I-HIER TIME GROUPS WERE ADDED AND DIVIDED BY THE NUMBER OF GROUPS. STANDARD I-I-OUR TIME GROUPS: IN ALL SUMMARIES SHOWING DIURNAL VARIATIONS, WE SUMMARIZE DATA USING TI-E FOLLOWING EIGHT T-HOUV TIME PERIODS IN LOCAL STANDARD TIME: 0000-02OO, O300-OSOD, O6O0-OBO0, 09O-OO, TZLU-1VD, ISD-IT0, 1800-ZOO, 2100-2301 LST. FOR A DCTAILED OESCRIPTION Ff EACH SUMMARY WITH EXAMPLES AND EXERCISES ON ITS USAGE, SEE USAFETAC/TN-3-OOI, "AN AID FOR ESING TI-C REV ISED UNIFORM SUMMARY OF SURFACE weather OBSERVATIONS" (RUSSWOI. TABLE OF CONTENTS STATION HISTORY PART A: PART B: PART C: WEATHER CONDITIONS AND ATMOSPHERIC PHENOMENA SUMMARIES SEE SUPPLEMENTAL DATA SECTION BELOW SURFACE WIND SUMMARIES ' PART 0: CEILING VERSES VISIbILITY AND SKY COVER SUMMARIES $ SUPPLEMENTAL PART E: TEMPERATURE AND RELATIVE PUMIDITY SUMMARIES PART F: PRESSURE SUMMARIES DATA SECTION--SUMMARY OF DAT DATA ASSMSC NUMBER: THIS NUMBER IS THE AIR weather SERVICE MASTER STATION CATALOG NUMBER. THIS NUMBER IS COMPRISED OF TIPF WMO NUMBER WITH I-F ADDITION OF A SUFFIX (O THROUGH 9. IN CASES WHERE TFERE IS NO DESIGNATED WMO NUMBER, A S-DIGIT NUMBER IS CRFATED IN AGREEMENT WITH WMO RULES PLUS A SIXTH DIGIT. THESE NUMBERS ARE ALSO REFERRED TO AS DAISAV OR USAFETAC NUMBERS WHI5H UNIQUELY IDENTIFY MORE THAN 15,000 REPORTING STATIONS WORLD WIDE. NOIE: THE FIRST AND LAST ICUR GROUPS MAY OR MAY NOT CONTAIN ALL THREE POURS. SEE HOURS SUMMARIZED ON COVER OR STATION HISTORY SHEET TO DETERMINE WHICH HOURS ARE INCLUDED IN THESE TWO HOUR GROUPS. LL r.
o....,ioo......... 72 886 VAN NUYS CA VAN NUYS AIRPORT N 34 13 W 118 29 799 Ft. KVNY STATION LOCATION AND INSTRUMENTATION HISTORY WTYPI TAE AT TWIS LOCATION ELEVATION AOY[ ISt LATTIDA ITWlEITTA of CEOCIAPINfCAL LOCATT RAIR Of JC I STATIO I oof m TO TI(L IT5 WT RAI. P--r DA 1. Van Nuys CA Army Air Station 2. Van Nuys CA(San Fernando Valley Army Dec 42 SAWRS Aug 52 Jun 46 Jul 54 N 34 13 Same W 118 29 Same 800 800 Unkn Unkn Linkn Varies Airport) 3. Van Nuys CA, Van Nuys Airport LAWR Jun 61 20 Oct 61 Same 4. Air National Guard Van Nuys Airport ANG?6 Oct 6114 Aug 62 Same Same Same 799 Same Unkn Unkn 16-24 16-19 5. Van Nuys CA Van Nuys Airport LAWR 15 Aug 62Apr 77 Sanme Same Same Unkn 16-19 6. Same LAWR May 77 Apr 87 Same Same Same Unkn 16-19 Des NOTE: Jul 46-Jul 52 Broken Period of record Closed Aug 54-Jun 61 IUEI AT SURFACE WIND AWIPFIET INfORMATION LOC OT 11 A CHNC il; OTION Of YPE 0, V?" A! o E HP IT ABOVE IEMAINS. ADDIIONAL EIUIPI[T.It H iasci FOA CHANCE TIAH$1NTTER IAICORDER thiso 1. Dec 42 Unkn Unkn None Unkn 2. Dec 52 Unkn Unkn None Unikn 3. Jun 61 On Tower F420B None 76 Ft 4. Mar 71 On Field F420 None 20 Ft 5. Mar 86 On Field F420 None 20 Ft USAFETAC A 0OOV 0-I 19*fs AOLAl. A **oua Cool" mo(i 91 t ES SIDE J i4
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watherp CONDITIONS AND ATMOSPHERIC PHENOMENA SUMMARIES WLATHER CONDITIONS SUMMARY I. A PEACENTAGE FREQ FNCY OCLURRENCf. SUMMARY OF VARIOUS ATMOSPHERIC PHLNO-LNA AND OBSTRUCTIONS 10 VISION. 2. DATA BASED ON HOURLY OBSERVATIONS. Y. SUMMARIZED BY THE STANDARD 3-HOUP TIME GROUPS BY MONTH, MONTHLY AND ANNUALLY iall YEARS COMBINIDI. DEFI NI TIONS: THUNDERSTORMS: ALL REPORTED IHUNULRSIORMS, TORNADOES AND waterspouis. RAIN AND/OR DRIZZLE: ELL REPORTED RAIN AND OR DRIZZLE FALLING TO THE GROUND Oll NOT FREEZiNG. FREEZING RAIN ANDOR FREEZING DRIZZLE IGLAZET: ALL REPORTED FREEZING RAIN OR FREEZING DRIZZLE. SNOW AND/OR SLEET. SNOW INCLUDING SNOW PELLETS AND GRAINS, ICE CRYSTALS ANU PELLETS. AND/OR SLEET lice PILLTSI. PAIL: ALL REPORTED HAIL. ALL PRECIPITATION: THIS CATEORY INCLUDES ALL OBSTRVATIONS REPORTING PRfCIPITATION. BECAUSE MORE THAN ONE TIPL OF PRECIPITATION PAY APPEAR IN A SINGLE OBSERVATION, THE SUM OF THE PfREENTAULS IN THE INDIVILUAL COLUMNS MAY EXCEED THE PERCENTAGES IN THIS COLUMN. FOG: ALL REPORTED FOG, ICE FOG AND GROUN FOG. SMORE AND/OR HAZE: ALL REPORTED SMOKL, HAZE AND ANT COMBINATION THEREOF. VLOWING SNOW: ALL REPCRTED BLOWING SNOWS INCLUDING DRIFTING WHEN REPORTED. DUST AND/O SAND: ALL REPORTED OUST, SAND, BLOWING DUST, BLOWING SAND AND ANY COMBINATION THEREOF. THE ATMOSPHERIC PILNOMLNA SUMMARY IDAYS WITHI INCLUn[S ONLY THOSE REP3inTS PHFN THE PHENOMFNA VISIBILITY LESS TIAN 5/8 MILES (IGCO METLRSI. ALL OBSTRUCTIONS TO VIIION: INCLUDES ALL REPORTS OF OBSTRUCTIONS TO VISIOPN (FOG TIRU DUST/SANDI AND RLOWING SPRAY. BECALSE MORE THAN ONE PHENOMENA PER OBSERVATION MAY OCZLR, THE SUM OF THE INDIVIDUAL COLUMNS MAY EXCEED THIS COLUMN. NOTES: 1. A VALUE IN THE TABLES OF ".0" INDICATES LESS THAN.Ol OCCURRENCE WHICH IS USUALLY ONLY ONE OCEuRRENCE 2. MLIAR STATIoNS IBSEfINNING IN JAN I681 AND SYNOPTIC REPORTING STATIONS RICONDLO ON THE AwS FORMS IrS/IOA AND TWANSMITTEO LUNGLI :E ONLY THE HIGHEST ORDER OF ATBOSPHr.IC PHENOMENA OBSERVED. NEGINNING IN JAN I97o, MEIA STAIUNS RICOPUEI ALL OBSERVED PPENOMENA BUT CONTINUED TO IRANSMIT ONLY THE HIGHEST ORDER. FOR EXA'PLE, IF THE ORSERVATION CONTAINED RAIN, FOG AND SMOKE, ALL THREE will APPFAR ON THE AWS TOR'S IUG/ IDA, BUT ONLY THE RAIN WAS IRANSMITTED LONGLINE. THIREFORE ONLY THE RAIN APP[ARS IN OUR DATA BASE F 0 POITRLY SUMMARI jat ION. THIS PRACTICE EFFECTS TfE PERCENTAGIS IN THE TABLES.
G.LOGAL CLIMIATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF WEATHEP CONDITIONS USAFETAC FROM HOUYEY OBSERVATIONS AIR WEATHER SERBICE/RAC STATION NUMBER: 7228A6 STATION NAME: PAN NEYS CA PE'ITU OF RECORD: 78A-87 MONTH: JAN I RAIN FRZINO SNOW t OPG smore DUST I ITS IOURS I TGTMS C/DR RAIN C/OR FAIL WITH FOG F/OP SEOWING C/OP W/01ST TOTAL (IST) DRIZZLE C/OR SLEET PRECIP I-AL SNOW SAND TO 055 DRIZZLE RISION 00-02I 03-OS5 13.7 13.7 R.R P.1 15.3 124 06-0R 8.4 V.9 9.3 9.7 15.A RIG1 C-Il I7.1 7.1 5.8 12.0 15.4 qto 12-IN4 6.9 6.9 2.4 10.7 11.4 910 15-17 7.u 7.0 1.1 9.5.1 13.2 93J 18-20 I.1 7.2 7.2 1.2 7.1 43.1 930 21-23 I6.2 6.2 2.8 P.9 13.0 921 TOTALS I.0 8.3 A.1 4.5 9.4 3 32. 3 560L; STATION NUMBER: 7229B6 STATION NAME : VAN NUTS CA PERIOD OF RECORD: 7R-A7 MiNTfS: FEB I RAIN FRZING SNOW 2 ORG G"IOKE DUST I ORG FORS T TTmG S IDA RAIN C/OR IAL A IINH FOG P/OR REDWING C/OR A/ORGY TO0TA L fls TI I DRIZZLE C/OR SLEET RRECIP 4AZ7E SNOW SAND TO0 ORG DBRIZZILE BV151ON 07-OS 8 A.u 9.0 8.0 13. 3 15.9 1 13 L,6-OR. 4.2.1 9.2 *0.R 11.0 1.5 7 S T19-3 I I 9.6 b.6 6.3 34.5 1.7 AR4E, 12-IN 1 T.R 7.9 2.2 11.9 13.4 46 IS' -I 1I 7.6 7. 6.9 10.6 31.3 I 84 I 9-20 I 1 93. 9.2.R q.a 9.6 0bN 1-3I9.4 R.N 2.3 9.9 11.0 BIT7 0TOTALS U m8.5.0 A.5 4.5 11. 133.1I S 07 7
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF WEATHER CONDIrTONS USA FET AC FROM HOU9LT OBSERVATIONS AIR h.eather SERAICE/HAC STATION NUMBER: 722886 STATION NAME: RAN NUTS CA PERIOD OF RECORD: TB-A?7 M3Y1TIP: MAR IRAIN FRZONS SNOW A ABS SMOKE OUST 1 085 HOURS I TS TM S C/oR RAIN C/AR HAIL WITH FAG &IAR BLOWING C/AR A/TAST TOTAL ILSTII DRIZ2LL E/AR SLEET PACCIP HAZE SNOW SANA To TAS OR!1Z7LE VISION CO-C? 03-OS 8.9 8.9 6.5 6.S 9.7 124 06-CA.2 9.5.1 9.5 8.9 14.7 23.0 AT2 C9-11I 9.0 9.0 '.1 h,.a 21.0 93 12-14 I.2 9.0c 9.0 1.2 12.1 13.2 93C IS-Il 9.5 9.5 1.0.4u 9.1 9 TO 18-20 I.1 7.0 7.0.9 5.4 5.5 9!0 21-23 I.1 7.7 7.7 1.4 i.5 5.7 913 TOTALS.1 8. 7.0 A.?1 3.4 t20.5 1Z.0 S5SAV STATION NUMBER:. 722886 STAT ION NAME: RAN NUTS CA PL T IODOF RCEACORD: 74-AT MONTH, APR I RAIN FRZINA SNOW I ABS SMOKE DUST I OAS HOURS I TSTMS C/AR RAIN C/AR FAIL WITH COG C/TA BLOWING C/OR W/oAST TOTAL ILSTI I 08122C C/OR SLEET MACAP HAZE SNAW SAND 10 OBS I GRIZZE VISION 00-0? 03-05 I9.7 '.23. 1 1734 060 1.6 l.a 11.7 30.7 26.2 426 09-1l 1.2 0.4 0.4 4.? 7,3.6 24.21 900 12-14 I 3 3.a 1.4 1.2 16. 7 16.9 900 INi-IT 1.2.3 T.T.7 10.2.2 13.6 A9A IP-20 1. 1.9.6 77. 3 7.4 897 21-23 2.4 2.4.2..9.1 9.1 836 TOT ALS I. Z.4 2.4 41 1 5.4.1 16.8 S39I............... 4...............................................
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY Or ICCUPOENCE OF WEA THC CONGITrIONS USA FEYAC FROM HOURLY OBSERVAIIONS AIR WEATHER SEROICE/MAC STATION NUMBER: 722R86 STATION NAME: RAN NUTS CA PIPInG E RECORD: 7 T-AR6 CONIl-: MAY I RAIN FRZING SNOWS 0 BS SMOAE DUST I OBS HOURS I IMS C/OP RAIN C/OR VAAIL WITH FOG C./OR BLOWING C/OR 6/0850 TOTAL CLSTI DRIZZLE C/OP SLEET PRECIP HAZE SNOA SANG TO OPs IDRIZZLE PISTON 0Y-OS 2.3 2.1 24.3 YU.6 30.2 2 12 U36-08 10.5 1. 5 20.0 '8.9 05.6 033 Cq-Il.A.B 6.6 41). 1 4 1.5 9031 12-14.2 1.1 1.1 1.3!2D 2.0 93u 16-17 I A.Z 1.2.6 10. 2 isa.o 9 30L IA-20 I.9.9.6 11.5 11.5 929 21-20 I 1.3 1.1 3. 3 1 5.2 15. 7 77 7 TOTALS I. 1.3 1.1 8.1 1.6.6 Z9.2 S64b S TA TION NEMRER: 12296 STAT ION NAME : PAN NUTS C A PEPAT 10O PECOBO: 77-A6 MONTH : JUN1 IRAIN FRYING SNOW 0 BBS SMOKRE DUST % ORS HoupsI IstOS C/TA RAIN 6/TB HAIL WITH FYG C./OP BLOWING C/OR S/GAS? TOTAL (LSTI D RIZZLL C/OR SLEET PRECIP HAZE SNOWA SAND TO 0BS IORIZLE VISION 0(3-02I 0l305 I..6 210 '0.4 46. 1 215 (6-CA.1.1 22.9 OS.7 50.0 BOO 0'-11 6.1 CO52.6 900 12-14 1.3 40.0 40.0 90 IS-Il I10. 20.1 900 j 21-21 I 3.65 1 T.?7 1Y.S 750 IP-7O.8 12. 7 12Z.0 000D *TOTALS I cl.1.7 31. 1 1.09 564 --4............................................................
GLOBAL CLIMAIOLOGY BRANCH USAFETAC AIR WEATHER SERVICE/MAC PEPC.NTAGE FREOUENCY OF 3CCURRENCE OF WEAThP CONITIONS FROM IOU9LY ObSRVATIONS STATION NUMER: 7R2686 STATICN NAME: VAN NUYS CA PF IOD OF RECORD: 77-66 M917T: JIUL..,,,..,..,....,.,,.,,...,,..,,..........,.. ),.....,,...,......,...............,... I 1AIN FRING SNOW % TO SMOKE OUST I Tes HOURS I TSTMS [/OR RAIN CIOR VAIL WITH FOG.iOP BLOWING C/OR W/08S TOTAL TEST DRIZZLL E/OP SLEET PRECIP HAZE SNOW SAN TO 00S I DRIZLE VISI ON...................,,,.,.......,................ DO-PT 03-05.9.9 11.0?4*3 30.4 230 n6-o a.2.2 13.0 "'.9 36.3 3s: ns-l I.I.1 1.2 37.6 37.8 93z 12-1 I.1 V. 4 23.4 9 3 15-I1 I4,O 4.5 9?3 18-7O 1.6 1. 930 21-23.3 1.8 1. 779 TOTALS.2.2 4. 27.6 19.0 9659 STATION NUMAE: 122886 STATION NAME: VAN NUYS CA PL9IOO or RECORD: 77-A6 MONTH: AUG I RAIN TRZING SNOW I OS SMOKE OUST 1 095 HOURS ISTMS Elop RAIN E/OR IAIL WITH FOG C/OR SLOWING C/OR WIOBST TOTAL ILSTI DRIZZLE /OR SLEET MREl1P HAZE SNOW SAND 10 OBS I DRZLE VISION CT-ON.9.9 IN.5 25.5 33.9 220 (6-08.41.N 1.4 15.9 39.2 N3. 929 Cq- I 1.1 1. 1 3.8 45.8 'i.$ 93U 13-14.4.4.2 23.4 23.5 930 1517I.2.9.9 6.6 6.6 930 IA-T0 I I.2 2.2.1 l.a 3.8 93 21-7 I,.H 1.2 ".5 5.5 761 TOTALS. I1.,.T. 5.1 21.4 22.9 ON3O...................I...........................................
GLOBAL CLIMATOLOGY PRAANC- PERCENIAGE FREOUENCY OF JCC ULRENCE OF WEAT' I C'S1[IONS USAFETAC FROM HOURLY OBSERVATIONS AIR WEATHER SERAICE/MAC STATION NUMBER: 722q6b STATION NAME. VAN NUYS CA L-IOG OF "[COAO: 17-56 PC! 16: SEP'...,..,......,,.,,,............,.,.....,...............,,.............. I RAIN FR/INS SNOW I GBS SOKE DUST I OBS HOURS I TSIMS C/O RAIN 6/OR FAIL WITH FOG C/OR BLOWING C/OR W/C73 TOTAl 4LST) I DRIZZLI C/OR SLEET PRECIP FAZE SNOW SAND T0 03S I DRIZZLE VISION 0C-02 El -O 5.5.5 IN.1 21.5. S b 25 06-08 1 6 1.6 IS.6 o.i 1.1 09-I1I 2 Z.0 2.0 4.4 '1.3 7T.T 5 12-14 1.2 1.2.7 24.1 4.I q 15-17.1 1.I I~. 1l, 1 11.I 1 9 18-20.1 1 1.7.3 4.9 4.3 21-23.1 l.a 1.8 1.3 8.4 9.1 715 TOTALS.1 1.6 1.4 5.2 113.3 i.6 4?.,,......., *......,,.,*.........,..,...,,.,,,....,... *... STATION NUMBER: 722A6B STATION NAME: RAN NUTS CA PE 0 IOD OF RECORD: 77-86 MINT": OCT.,.............$,...,...,......,,,.......................,... I RAIN FRZING SNOW % OS SMOKE DUST % 04% FOURS I IS TS clor RAIN C/OR PAIL WIIP FOG./OR BLOWING C/OR W/DST TOTAL ILSTI I GRIZZLE 6/OR SLEET PRECIP "A,7 SNOW SANo TO o08 DRIZLE VISION,,,.,,...,.........,,.. *.....,,...,...,o..........,,... I...,.... (T3-0S 1.5 l.s 13.2 21.8 28.4 1 06-r8 2U 2. 1.1 24..h 91 12-I I 11.4.,2 5.61 T I - I 1.2 1.2.6 2A.A 19.01 TV 4 101*651S 14-20 1..2 7 1 5.09 ' -21... 8.9?T 51 6. 62.. '2. 25q54............. 4........-........................................
GLOBAL CLIMATELOY PRANCH PERCENTAGE FREQUENCY OF JCCUARENCE OF WLATlIf CONJDITIONS USAFETAC FROM FOULLY 08SERVATIONS AIR WEATHER SERVICE/MAC STATION NUMBER: 72886 STATION NAME: PAN NLYS CA OEAIOO OF PECOPO: 77-6 M"NTH: NOV......... o. ** ** oo oo oo ** *,...,...,.........., **...... I RAIN FRING SNOW % OBS 6'OmE OUST % ORS HOURS I TSTMS ALOR RAIN C/OR HAIL WITH FOG C/OR BLOWING C/OP W/CBST TAL (LST) I DRIZZLE /08 SLEET PRECIP HAZE SNOW SAND 10 oes OPlTZZLE VIS 11ON......*..o*.,...... o o..*.*.., o.....**.. **. *o.........**............................................... - I 1.b 1.6 6.4 12.8 15.8 125 c6-cr. 3.6 3.8 11.0 11.5 19.7 86 [f-ili.1 8.U.0 6.3 17.0 23.8 923 1-14 48.6 4.8 1.4 1.9 14.8 802 15-17I.2 3.2 3.2.8 12.1 12.4 0?? 19-20.1 3.2 3.2.9 13.0 13.J 93L,-1-3.1 3.7 3.7 4.0 15.9 17.6 896 TOTALS I.1 3.5 3.5.N 14.0 16.5 S822...............,,,... * *.,,,,..oo...... *... STATION NUM[ER: 7,2 66 STATION NAME: VAN NUTS CA PL"IIOD OF PLCOpO: 77-86 MONTH: DEC *...................,.,..*.,.. *...... ***.,*.. * **. o*..........*.,........................... **..* I RAIN FRZING S4O w % OIS S"OKE DUST 1 08S POURS I TTMS &COR RAIN C/OR fail WIT- FOG EIOR LOWING C/OP WI0ST TOTAL ILSTI I DRIZZLE C/OR SLEET PRECIP PAZE SNOW SN0 TO OB DPI 2ZLE VISION.......,.,...,,.,,....**.o...,,. oo... **... o....o.,,..,.,..o............. L -- 2 I 23-fI5 48., 4.03 13.65 14.5 2)3.2 12,6 5.1 S.7 11.8 12.3 19.6 823 Sn-If I.5 8.5 7.1 18.5 18.8 930 1,'-14.1 4.4 4.6 3.1 13.1 14.6 870 IS-IT 1,b 5.b 2.3 15.2 15.9 929 18-20 I.1.1 5.1 2.0 15. 16.1 930 1-23.1. 4.7 8.1 15.8 17.0 927 r T TOTLS A.6.T.4 8.9 5.8 11. 7 17.8 59 -...,...........,.,,.....................................oo.**.*.....,,.,...o.o
G LOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF WATHEY CONOITIIONS USAFETAC FROM HOURLY OISERVAT70NS AIR WAlt7IER SERRICtIMAC STATION HNjMP.ER: 722866 STATION NAME: VAN NUYS CA PL - 101) OF RECORD. 77-8 7 m 'N T I: ALL IRAIN rrzing SNOW 2 085 S..OKE DUST t 09S I-OURS I TS TMS L/06 RAIN E/06 I'AIL WITF FOG [/OR BLOWING C/OR U/CBST TCTAL (LSTI D RIZZLE 106 SLEET PRECOF' HAZE SNOW SAND To 065 ORI ZZLE R1I I N JA L...1 4.5 9.4.0 12.3 lcf2l FEB I.0 8.6.0 8.5 4.5 11.7 17.7 PTT7 MAR I 1 8.7.0 8.7 3. 4 10U.3?.U G S5q APR j 1 2.4 2.4 4.3 15.4.1 lb.6 g TI MAY7.0 1.3 1. 3 8.1 26.6, 9.2 ' JUN I.1.1 0.7 '1I. 1 '37.9 "~ JUL z.2 4.5 17.6 19.3 b5b ALG.0 1.0 1.0 5. 1 7'1.4 2.9 Sb3L SEP.1 1.4 1.4 5.2 19.3 21 *"u 54 3 OCT I.0 0.3 1. 3 6.2 N2. 4 5. 0 S5; NOR.1 3.5 3. 5 4.4 14.0 1b. 5425 DEC I.0 4.4.0 4.9 5.8 14.3 17.4 5593 TOTALS I.0 3.5.0 3.5 9.4 It.s.0 zo.0 66091............ 4........-.........................................
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BIVARIATE PERCENTAIjE FRlUENICY TABULATIONS OF SURFACE WINDS DATA DERIVED FROM HOLRLY DATA. PRESENTED ARE THE PERCENTAGE FREQUENCY OF VERSUS WIND SPEED IN KNOTS IN INCREMENTS OF BEAUFORT CLASSIFICATIONS. WIND DIRECTION TO 16 COMPASS POINTS. CALM AND AARIAALE PERCENTAGES ARE SPOWN VT BOTH DIRECTIONS AND SPEED, AND IN ADDITION THE MEAN WIND SPEED IN GIVEN FOR EACH DIRECTION. _ DATA PPSENTED BY THE STANDARD 3-HOUP TIME GROUPS BY MONTH, MONTHLY AND ANNUALLY (ALL YEARS COMBINED.. A SEPARATE ANNUAL TABLf PRESENTS T E SAME BIVARIATE DISTRIBUTIONS WITH IMPOSED CEILING/VIsIrBILITY LIMITATIONS: WHEN VISIBILIIIS EQUAL 10 OR GREATER TFAN 1/2 MILES, THE CEILINGS APE ZOD TO 1i0 FEET AND/OR AHEN THE CEILING IS EQUAL T OR GRLATER THAN 200 FEET, THE VISIBILITIES ARE 1/2 THROUGH 2 1/2 MILES. A PERCENTAGE VALUE OF ".0" IN THESE TABLES INDICATES ONE OR MORE OCCURRENCES AMOUNTING TO LESS THAN.052.._ C-l iml
GLOBAL CLIMA7OLOGY BRANCH USAFET-AC AIR WEATHER SERVICE/MAC PERCENTAGE FREOU7NCY OF OCCURR-NCE Or SURFACE di43 DIRECTIO4 VERSUS WIND SPEED FROw HOURLY 03SERVATIONS STATION NUMBIER: 722886 STATION NAME: VAN NUYS CA PELIOD OF RECORD: 78-81 MONTI-: JAN HOURSILSTI: 0300-0500... i..... N; -.P... ".. ". 0..... WINO SPEED IN 8640TS OIECTION I 1-3 N-b 7-10 11-16 11-21 22-27 28-33 3-N0 41-7 48-55 GE S6 TOTAL MEAN LOGREESI x I WINO N I 2.N 3.2 N.? 1. " 11.3 i.2 NNE NF I1.6 1.b N.? ENE.8. 8.0 E...8 1.6 2.0 FSE 5.6.8 6.5 5.4 SE.8 2.6 3.2 R.3 SSE S SSW.8.8 5.0 SW R..8 12-0 WSW.8 1.6.8 1.2 5.3 A W6. 5.0 WNW.8 1.6 2.N.3 NW 1.6.9 2.6 6.3 NNW 1.6 3.2 1.6 b.4 IS.0 VARIABLE I CALM IIf I //I f / / //I / ///'/II/l//I////I///II////I 59.1lII TOTALS I 1.6 1. 7 11.3 8. 1 1.2 100.0 3.7... TOTAL N-JMSPR OF OASERVATIONS: IZ,-4
GLOBAL CLIMATOLOGY BRANCH USAFETAC AIR WEATHER SERVICE/MAC PERCENTAGE FREOU'NCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEED FROM HOURLY OBSERVATIONS STATION NUMBER: 722886 STATION NAME: VA4 NUYS CA PEIOD OF RECORD: 78-87 MONTH' JAN HOURSILSTI: J600-030... dind SPEEr IN KNOTS DIRECTION I I-I 3-6 7-10 11-16 17-21 22-77 28-33 34-40 81-N7 48-55 GE 56 TOTAL MEAN IDEGRrES) I I WIND............ N 3 3.6 3. 6 2.8.2 12. 7 12.5 NNE.8.2.1.7 7.8 NE.5.1.6 6.8 ENE.8.1.9 5.S L 1 14.7,4 2.5 7.0 E SE 2.6 1.3.4 4.3 6.7 SE., 1.0.7 1.4 6.2 SE I.1.5.1-.1.9 6.1 S 1.0..5 1.6 5.7 SSW 8.1 1.0 5.5 sw.1. 1.0 4.4 WSW.2 8.5 1.6 5.? d I. 17 2.0 4.5 WNW,I 2.8.7 3.6 5.7 NW 1. 0.0 1.0.7 2.8 8.8 NNW I.0 2.3 4.7 1.7.. 4. 13I.. VARIARLE......... I... '.......... CALM I2./////j/// /j / /I// ///j// j 62.8 //l/ TOTALS I 1.7 18.8 11.9 10.3 8.8.5 100.0 8.8... IOTAL NUMBER OF OSSERVATI3NS: 835
GLOBAL CLIMATOLOGY BRANCH USAFETAC AIR WEATHER SERVICE/MAC PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WIll UIRECTION VERSUS WIND SPEED FRO4 HOURLY OBSFQVATIONS STATION NUMBER: 722886 STATION NAME: VAN NUYS CA PEOID OF RECORO: 7P-87 MONTH: JAN HOL'Rs(LSTI: 3900-110C........... W N "S [[ I N O S... WIND SPEE3 IN KNOTS DIRECTION I 1-1 8-6 7-10 11-16 17-21 22-o7 28-33 34-N0. 41-47 49-55 GE 56 TOTAL MEAN IDEGR ES) I t WIND... N.? 1. 3 8.4 5. 5 2.7.4 1Q l, NNE.1.4.2.1.9 7.8 NE.6.5 I.? 6.6 ENE 5.9 45 E 2.8.8.3 3.4 6.5 use.2 3.P 2.6.8.1 7. T.' SE 3.0.9 3 4.?., SSE.1 3.1.8.2 3 9 S.? S 1.8,1?.6 S* 5.331 SSW.1 1.0 4.( 8.9 S W, I 1. A 4 WSW 2.3 N 41.7.. W.8 2.4 S 3. 1.4 5.9 WNW 2.2.2.1 7.5 S7 NW.I.7 2.7 l.s 8.5 12.8 NNW I... 2.8. 9 1. In.1' I?. BARIABLEI[ CALM //////I//////f//#////J //// // #/ //t/// //#///I////////////// 3./ 36.7 //I/ TOTALS * A 2b,8 16.8 13.5 8.0.8 130.0 5.7... TOTAL NUMBER OF OPSERVATIONS: 930 0
5L00*1 CLIMATOLOBY 9RANC, PERCENTAGE FREQUENCY 0F OCCURRENCE 0F SURFACE WIND DIRECTION VERSUS W IN I SPEE) USAFETAC FRO4 HOURLY OBSERVATIONS AIR WEATH~ER SERVICE/MAC STATION 4040CR: 722886 SOAT ION 4A ME: VAN NUYS CA P10100 0F RECORD: 78-6 7 MONTH: jan IOLRSILSTI: 1200-1400 WiIND SPEED IN XN075 DIRECTION I 1-3 4-6 7-10 11-16 17-21 22-7 7 28-33 34-40 4 1-4 7 NA-SO GE 56 T 0 AL MEAN IDEGP:ES) I % WINE) N I1. 3.0 6.68 3.4.9 1%.4 ;4. NNE.4.1.3.7 1. 1l. NE.5.41.0 6~ E NE.6.2.. 5.1 3.3 1.0.3 41 P. 6.6 ESE.2 S.2 N.0.8.1I.2 7. 3 SE I.1 2.6 3.7.8 7.1 7.4 SSE 3..3 3.3.6 7.53 7.4 S.1 3. 1. 3 3. 5.4 6. SSW 1.1.2 1. 3 5.7 sw.1 13.4. T WSW.2 1..8.12.6 6. 3 A 12 1.1.2 2.5 7.5 WNW.8.4.2 1.S 11 4. %W. 2.4 1.9 4.9 10.1 NNW 1 1.2 1.8 4.7 2.0 1 1. 1?. CAL" /UIlUi/////l//i////////////iI/#/i////////i// 20.3 It//// TOTALS I 1.0 28.6 26.0 17.0 6.3.4 100.0. TOTAL 4044180 ORSE8VATIDNS: 9130
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRE'NCE OF SURFACE WIND DIRECTION VERSUS WIND SPEED USAFETAC FRO HOURLY OBSERVATIONS AIR WEATHER SERVICE/MAC STATION NUMBER: 722R4S STATION NAME: VAN NUYS CA P[ qod OF RCORD: 78-87 MONTH: JAN HOURStLSTI: 1500-1700 I WIND SPEE) TN KNOTS DILCTION I I-I 4-6 7-10 11-16 17-21 22-j7 Z8-33 34-4O 41-R7 44-55 GE 5b TOTAL MEAN IDEGA:ESI % WING N. N.9 0.8 4.2.4 1N.T Ito NNE.4.1.2.2 1.0 11.1 NE.2.1.1.4 A.R E E.3.1.4 5.5 Sz. 1.1.2 3.4 6.8 ISE.1 5.1 3.2.4 8.8 6.7 SE.2 4.5 5.5.9 11.1 7.5 SSE 4.4 5.4.9 l1. 7.7 5 4.7 3.4.2 4.4 6.7 SSW. I 1.1.9.2 2.3 1.0 Sm 1.4.9 z.3 6.1 WSW I 8 1.9 7 4.0 7. 3 I.4 1.1? 3 2.5 8.6 WNW.7 1.3.2 1. 7 9.4 NW.3 3.1 1.5 1.1. 3.4 I1.4 NNW 1.1 4.6 9.5 1.6.1 12.9 17.4 VARIABLE I TOTALS I.5 29.t 36.7 16.2 6.5.5 100.0. 4 TOTAL NUM9ER Of OBSERVATIONS: 930-4
GLOBAL CLIMATOLOGY BRANCH USAFETAC AIR WEATHER SERVICE/MAC PEICENTAGE FREQU:NCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEED FRO4 HOURLY OBSERVATIONS STATION NUMBER: 722886 STATION NAME: VAN NUYS CA PERIOD OF RECORD: 78-R7 MINTH: JAN NoU3ISILSTJ: 18D-200... DIRECTION I I WIND SPEE3 IN KNOTS 1-3 N-b 7-10 1l-lb 17-21 22-.7 28-33 3N-NO 41-47 48-55 GE 56 TOTAL MEAN (DEG0RESP I W IND... N 1.5 B9 N.3 2.2 16.9 11.3 NNE.A.5.2 1.5 8.C HE q l.8 6.9 N'.4.2 1A ENE.4.1 c. 5.8 E.2 4.0 1.0.2.1 5.5.0 ESE.1 4.3 1..2.1 b.1 6.3 SE 1 2.7.9.1 3.8 5.9 SSE.2 1.4 1.2 1".9 6.1 S.2 2.6.8 3.? '. l SSW.2.1 13 5.3 SR.3 2.0.2 2.6 4.9 WSW.T 3. 1 1.1. " 4.7 5.8 W.1 2..8 1. 4.2 6.0 WNW.7 1.?.S.2 2.2 6.5 NW.1.8 1.5.8 3.1 9.2 NNW I 3. 1.9 6.7 1.0 14S 1 1.4 VARIABLE...... I CALM 2b.3 lill l/i//ii//iii/ 26.3 IIIIII TOTALS I I.9 31.2 284.1 13.1 3.3 100.0 6.2 TOTAL NUMBER OF OBSERVATIONS: 930 0...o. o................................,,,..,..... -4
GLOBAL CLIMATOLOGY qrvncp PEICENTAGE FRCQU:NCY OF OCCURRENCE OF SUOFACE end 0IRFCTION VERSUS WIND SPEEO USAFETAC FROM HOURLY OBSERVATION, AIR WEATHER SERVICIMAC STATION NUMR: 722886 STAION NAE: VAN NUYS CA PL-100 OF RECORD: 78-97 MONTH: JAN HOURS ILSTI: 20n-23P0 I WIND $PEE) IN 8903$ OIRECTION I I- 3 N-h 7-10 11-16 17-21 22-? Z8-33 3-90 41-41 98-55 GE 56 TOTAL MEAN IOEiREES I 2 1 WINOU,,,,,,.,.,,,,,,,,..,,,,.......,.,o oo.o..oo oo...~o,o.....o.....,,............... N 2.1 3.1 5.9 9.0 I.?.9 15.4 11.0 NNE.2.. 4.9.2 2.2 e.3 HE f * * 3.1 1. F3 FNE.I.....C c 2.4.7.2.1 3.4 6.4 ESE I. 2.i 1.6.2.4 4.9 6.8 SE.I 1.1.5 I.? 5.9 SSE.1 I 1.?.9.2 6.7 S.2 2.1 2.4 5.0 S5W I. 1. 4.7 S I.2 5.9t 9. W5W I.2.5 o1 1. 6.2 w.v 2.9.1.1 3.9 5.3 WNW I 1 1.2.1 1 1.5 b4.0 N. 1.0.7.2 3.9 a.9 NW 2. 9 3.8 9.o5 1.0 1 1.6 jc. o VARtIABLE I TOTALS I 2. 2.3. 15.5 10.7 3.1.1 100.0 5.0 TOTAL NUMMER OF OPSERVATINS: 921 Sld
GLObAL CLIMATOLOGY BRANCl6 USAFETAC AIR WATHER SERVICE/MAC PERCENTAGE FREQUeNCy OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WINo SPEED FRO4 HOURLY OBSEqVATION' STATION NUMPER: 722886 STATION NAME: VAN NUYS CA PERIOD OF RECORD: 7R-M7 MQNTH: JAN O3URStLSTI: ALL I WIND SPEE) IN KNOTS DIRECTION I I-I -6 7-10 11-16 17-21 22-? 28-33 34-4O 4T-q7 88-55 GE 56 TOTAL ME a IDEIR-ES I T W UNE,...,.................,..............................,......,............ N. 1.7 5.1 5.0 2.A." 15.1 1?. NN[,..5.3.2.1. 1.2." NE,5.3.1 6., ENE.0.5.I.. L.1 2..A.9.3.1,9 N.J E SE,l,r 2.3,8.4 1.Y 6. SF.I 2.5 2.1.3 5.0 7.0 SSE..84 1.8 3 4.6 7.a S.2 2.6 1.0.1.0 3.9 6.01 SSW.D 1.1.2.0 I.'4 5.7 SW.1 1.2.3.0 1.6 WSW.I 1.9.8,1.0 2.9 6.1 w.2 1.p.7.1 2.9 6. WNW.1 1.8.5.1.0 2.1 6.7 NW I..7 1.7 1.1.1 3.7 9.9 NN I.1 1.8 3.7 S. 1 1..1 11.7 12.0 " V,. WI.. BL.,.............,.,.................,........................ TOTALS I 1. 4 26.6 21.8 IY.4 4.6.5 100.0 6.2..,.,,o...,......,.......,.,.,,.....,..,...,.,.,.......,.....,.............,........ TOTAL NUMPEP OF OPSERVATI3NS: 5600-4 e
GL03AL CLIMATOLOGY BRANCH PERCENTAGE rrequency OF OCCURRENCE OF SURFACE 4Il) DIRECTION VERSUS IN 0 SPEED USAFETAC FPO HOURLY ORSERVATIONS AIR WEATHER SERVICE/MAC STATION NIMPER: 722R86 STATION NAME: VAN NUYS CA PEPIOD OF R[COPO: 79-RI INTF-: FEB POURS(LSTI: 3300-OSUC... i...wind... "... I WTND SPEC) IN KNOTS OIRECIION I 1-3 9-6 7-10 11-16 17-21 22-27 28-33 34-4D 4I-4 7 49-S5 GE 56 TCTAL -[AN IDEPEESI I % winu........,...,,,.,......,,,,...,...................,.......... o..., N ITS. 6.2 4.4 15.0 I'." NNE NE I INF E.9 I,! 2.7 7." SE.8.9.9.S.' SSE.9 1.9,. S 2.7 2.7 S.C SSW Sw WSW I 2.7?.T 7 r WNW I.9., NA 9.p.9 2.7 7.1 11 A. l.a 1. j CAL I,, 61.9 lle TOTALS I 1.9.0.0 6.2 100.0.R.,,...........,..........,...,,..,.....,..,,.........,...,.,.....,.....,,,,. ItTAL NUMBER OF OPSER VATIONS: 113 mmiij
GLOBAL CLIMATOLOGY RRANCI- PERCENTAGE FVEQU-:CY OF OCCURRENCE Of SJFACE WlN7 DIIRFClION VERSUS.IND,P-El usafe AC FRO4 HOURLY OBSERVATIONS AIR WEATHER SERVICE/MAC 5T IION NUMMER: 7:ZBV8 STATION NAME. VAN NUYS CA PiQIOU or VECORO: 3q-p? MINNw: FE-P HOLVSILSI I: l6j2-d3v??..... o o.. o...,,...o..... o...o.......,,.. o....... *,,...,,... I WIN 0 SPE[) 1N KNOTS UI-E[TICN I I-V Nt 710 l-lb 17-21 22-;7 28-03 34-40 41I-4 49-55 b. 5b ICTAL M EIA (OEGRES I I 1 0II,.. 4 I iii.1 j.9 2.3 3.2 IIf lll 2.0 I III 6 I l i l I.I.......... I.......* IDU.... 12..... 'NF -.l.3 4.' 03 I..0?.7 4.4 NE I.S.1.7 c I.2 1.2 2. b f SE. 2. 1.. 3 4. 7 S.9.3 I.2 5,5 -Q.1.1.7 7. Sw.4.. SW,1.1.. 1 545 P.9.- I N, WNW.q 4. 9 NW 1.1.7 1.3.4.3 3. 33.9 NNW 3.2 2.1 3.9 2.4 V.6 I33.'...,................ o...... **...... o... o... o............... VARIABLE I TOTALS I.1 1 7 9.3 u 5.4.1 I30.n 4.I....4..4 1TAL NUMBEP Of OBSEVABIIONS: 153
GtObAL CL1M&ILOLy SRANCA USAFETIC AIR WIA TR frvice/mac PEE'TAGE FREQU'4CY OF DCCUR RNEE OF SU4FACE a ' 1 UI R CTIN VERSUS iino SP.E3 FROM HOURLY OBSFRVATInN' STAIION NU"9EQ : 7224'9 S13IION NAM: VA' NUTS Z.A PPIN) OF RECORD: 7q-17....... MnNTIH: FE9 HOLPSILSTI: 3?37-1IC *......,................*... I wind SPEEI TN KNOTS DIRLCITO I I- -F 7 I-IL 11-16 17-21 22-7 2p-33 34-40.1-47 44-55 Sf 96 TOTAL MrL to, (Q:(ES I I N2... ;,..... 2,......,i;...i....1...Z;....3... NF....A12.2 1.7 ENM C I' 1O EN... F E.2 2.7.9. 151.i.. T 2.2.9.1. ST I.7 1.5.S 6.' 7.6 s9e 2.4.7.2 1 S I.7 3.3 1.2.1 s.',. 54W 1.9 '.2.2.1,.1." $ 31.2 1., s.9 1..2 1. W.2 I 3.4'.9.1 4.' 9.) 4NW.1.4.1.4. 7 N... N w....... 2..... cat 24.'~i 3621.4 4 TO TAL?.4 2b.7 16.0 11.8 6.3.5 1 1.......*........................ *.....................................*.................................................. O1AL NtIMRF 0 nf OFQ,F val INS : b- 6 1a
GLOBAL CLIMATOLOGY BRANCH USAFETAC AIR WEATHER SERAICE/MAC PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE.143 DIRECTION VERSUS WIND SPEED FROI HOURLY DBSERVATIONS STATION NUMBER: 722866 STATION NAME: VAN NUTS CA PERIOD OF RECORD: 79-87 MONTH: FEB HDURSILSTI: 120 01400 MIND SPEED IN KNOTS DIRECTION I I-3 4-b 7-A0 11-16 17-21 22-? 7 28-33 34-4O 41-47 48-55 GE 56 TOTAL MEAN foegr7esi I WING N..7 12.9 NNE.2.1.4.5.1 2.' 9.4 NE 1.1.2.1.4 I 9.1I ENE..2 1.2 5.0 E.1 3.0 1.3.2.1 4. T 6.7 ESE.1 5.9 4.5 1.1.1 11.7 7.4 SE.1 3.7 3.9 1-1.1 A.9 7.9 SSE N.I 3.3,6.1 0.2 7.73 S.2 4.S 2.7.8.2 8.5 7.9 TSW 1 5.1 2.7 7. I OW.6.4.4 1.9 7.7 WSW 1.2.6. 2.4 P.I I 1.7.4 2.0 5.6 WNW 1.1.1 6.4 NW.7 2.D 1.2.4 4.3 io.9 NNW 2 2.2 5.7 2.1 10.3 13.9 CALM 1RALE TOTALS I 1.1 32.7 26.5 16.3 6.4 100.0 7.5 TOTAL NUMBER OF OBSERVATIONS: 846 S
GIOt3AL CLIMATOLOi' BQANC6 PERCE4rAGE FQ 07.40! Of OCCURRENCE OF SUQFACE WIND' D143CTIDN VFqSUS WIND4 SPEED usafetac F804 440UQ13 085173YATION AIR WEATPER4 SERVICE/MAC S 7A NON NUMPCEP: 7'22886 STATION NAME : VAN NUTS CA PtL0OD Of RECORD: 78-87 MDNTH: FER,OLP5ILSTI : 1%00-1103 DIRICTION WIND SPE) IN KNOTS I 1-3 4 -b 7-10 11-16 17-2 1 22-,?7 93-33 36-40 4 1-4 7 448-55 GE S6 t T A L MEAN NNE I 1.2.. 5 8. NE..7.7 1.8 10.0 E NE 5..6 5.8H Ei 2. t.8. 3 2 3. 7 6. 3 E SE 5.4 5.1 7 11. 3 7.4 SE I.1.3 5.7 1.9.2 12.2? 6.3 5SE 4.s 10 I.. 15. 8.1I S I3.9 5.7 1.2.1 ID.q P.3 SSW.9.6.1 1.17. I Sw 1..4. 2.5 6.5 WSW I. T 2.6.2 6. 1 7.7I W. 1. 1.7.7 T.. WNW.2 1.2.5 1.9 9.4A N W I. 2.0 1.. 7 4.. 1 i1.9 56 7 2.7 5. 6 1..I 1 10.0 133.37 TOTALS 2?77. 9 4 3.0 19. 5 3.9.5. 1 100.0 9.... TOTAL 403818 OF 0856836 11345: 14b
GLOBAL CLIMATOLOGY BRANCP PERCENTAGE FREUENCY OF OCCURRENCE OF SURFACE 11N)J OIPELTION VERSUS WINO SPEED USAFEYAC FRO4 HOURLY OBSERVATIONS AIR h.eatker SERVICEIMAC STATION NUM4ER: 7296 SIAT ION NAME : V A NUYS CA PE RI101 OF RECORD: 78-87 P05TH: FEe HOUJRS( L S TI: 1800-2)3O I WIND SPEE) IN XNOTS It? C TI ON I 1-3 4-5 7-10 1 1-16 17-21 22-7 7 28-33 3M-40O 1I-47 88-55 GE 56 TOTAL MEA% IDE&RCS) 1, W A114U N I..8 N.N4 1.9 13.9 4. NNF I 6.5 1 1.2 7.8 NE f.4.1.5 53 E NE I.9.2.1 1.1 6. 7 E I.2 3..R.6 5.2 6.4 F SE I 1 5.-7 2.4.7.1 9.0 6.9 SF I 1 2.0 1.9.8 4.48 -.2 S SF.2 3.5 1.5.5.59 6.9 S I 1 3.8 1.4.1.1 S.8 SSW. I 1..8 2.2 5.4 sw.4 3N. 5 4.A N.9 6WW.2 7.8 1.8 8.5 5.4 W 3.8 1.3.25. 3 6. WNW 1.2 2.6.2 8.n 8.1t NW I. 1. 1.3..2 3. 7 R. 7 NNW I. 5.3 1..? 91 7 I.9 TO TALS I 17 82. 2 2 7.8 83 8. 1.2.1100.0 6. 7 TOTAL NUMBER OF OBSERVATIONS: 886
GLOTAL CLIMATOLOGY BRANCH PE4CENTAGE FREQU74CY OF OCCURRENCE OF SLIMtFOCE WIN) DIRECTION USAFETAC FRO4 HOURLY OBSERVATIOIS VERSUS WINO SPEED AIR WEATfHER SERVICE/MAC STATION NUMBER: 7i2.R86 STAT ION NAME: RAN NUTS CA PERIOD OF RECORD: 7R-87 MONTH: FEB HOUpSILSJI: 21E11-2360 I WdIND SPEE) IN KNOTS DIRECTION 1-3 N-6 7-101 11-lb 11-21 22-?? 2R-33 ON-NO 41-N7 48-55 GE 56 TOTAL MEAN ICEOGRZE S I % WIND N 313.1 4.5 2.17 2.7 13.2 11.2 NANE I.2.1 1 7.5 NF I.6.1.1 5.17 FNE I 7.7 S 0 L I 2. c 1.3.4.2 4.V8 7.1 E SE I 1 4.6 1.0.5 6.2 6. SE.1 I 17 1.1 1. 2.1 4.2 9.1 SFE I A.R.2.1 2.2 5.1 S I.2 1.6.4 2. 5. 1 SSW I 1.6.1 1.37 4.9 SW I11.2 1.6 4.9 WSW I.2 5.2.1 5.6 N.Y A.5 2.9.4 3.4 a.s ANW 1..6 2.5 6. 1 NW I 7.5 1.1.4 2.1 Il11.- NNW.4 1.6 2.4 3.6 1.3.4 10.0 II.q VARIABLE I TOTALS I.7 32.7 11. 3 9. 7 N.MP.4 100.0 2~ TO3TAL SUMMER OF OBSERVATIONS: 826
GLOBAL CLIMATOLOGY BRANC- PERCENTAGE FREOU-NCY OF OCCURRENCE OF SURFACE, 134 DIRECTION VERSUS WIN D SPEED USAFETAC FRO4 HOURLY OSERVATI7"C AIR WEATf-ER SERVICE/MAC STATION NUMBER: 702886 STATION NAME: VAN NUYS Ca PEPIO0 OF RECORO: R-8? MONTH: FEB HOLRSILSTI: ALL WIND SPEE) IN KNOTS DIPECIION I 1-3 4-6 7-10 11-16 17-21 22-)7 28-33 34-40 41-47 48-55 GE 56 TOTAL MEAS (DEGREES I WIND N I. J.F 3.6 3.9 2.4.3 11.4 22.3 NNE.1.4.3.1.1..0 NE -7.2.1.1 1.1 7.6 EN I 7 1.0.9 5,.9 E.1 2.6 1.1.2.1 4.1 6.5 F SE.1 4.7 2.8 7 1 8.4 7.1 SE 1 2.4 2.4.8.1 5. ; 7.9 s$5.3 29 2.7 5.1. 6.2 7.A 5.2 3.C 1.9.4 ot 5b 7.r SSW.0 1.3.4.0 1.R 6.4 485W, 1.8.4 1 2.0 5.7 WSW I. 1. 5.9 2 4.6 4.R w.?.0.4. 3.1 6., WNW.0.9.8 2 2.0 7.4 NW.7.9 1.3 3.1.4.3 3.6 33.0 NNW.7 2.9 4. 1 1.8.1.0. 9.7 13. I VARIABLEI" = CALK // / // / // //// / / / // / // /// / / // / // / Z8.3 1///I// TO TALS I I 3 29. 22.4 12. 6 5.2.3.0. 100.0 6.3 o........,.......,.,...,............,..,..,,..,o... o,...,...,,.....,,.....,... o... TOTAL NUMDEP OF OPSEVAII)NS: 5076-4 I
GLOhAL CLIMATOLO0Y BRANC- PE4CFNTAGE FREQUENCv OF OCCURRENCE OF SURFACE WIND 01 ELTION VERSUS WINU SLED USAFETAC FRO4 HOURLY OBSFRVATIONS AIR WEAIT-EP SERVICE/MAC STATION NUMRER: 7?2886 STATION NAME: V44 NUYS CA PERIOD OF RECORD: 7q-91 MONTH: MAP HOLRSILSTI: 300-0CO,.....,.,............,... o,.. o,,,.....,,..,,o.,..,,. +..,,,.......,.,...,,....... I WIND SPEE) IN KNOTS DI0ECTION I 1-i 8-6 7-1n 1 1-16 17-21 22-0? 28-33 1N-NO HI-HI R-SS re Sb FVTAk "EAN 1DtG00:S) I % WINI N 2.4 4.3 2.84 A.~ NNE NE.,Q :.' E I ESE 4.P 1.2 I B SE I r.8j, SSE 2..2,7. 11, 5S 42.s. SSW,o SW.v..0,Q S. r WSW 1-6 S.0D.7 W 2.8.8 s.cr. WNW.. 9 c. NW.p d 1.6 R.[E NNW.A.8 1.6 11.0 VARIABLE I CALK / / / /// / 6/0. O5 ///1/ TOTALS I 23.8 8. 4.A 1.6 100.0 7.0 TOTAL NUMBER Of OISERVATI3NS: 124 0
GLOjUAL CLIMATOL06Y AAANC- PE'?CENTAGE FREQU-NCY OF OCCURPNCE OF SU7FACE dlin1 DIREC71ON VERSUS WIND0 SPEED USAFETAC FRAN HOURLY OBS!RAATIONS AIR WEATIER SEANICE/MAC STA TION NUMPEP.: 722986 STATION NAME: VAN NUYS CA PERIOD OF RECORD: 78-8A7 "nnth: MAR HOUqS(LSTI: 0600-033D WIND SPEE) 14 KNOTS 2 2 DIRECTION 1-3 4-6 7-10 1 1-16 17-2 1 -Tl 28-33 40 4N 1-4O 7 N8B55 GE 56 7TTA L MEAN N I 1 1-3 2.4 2.2 1.0 7.0 1* NNE.2.?.G NE.4 SN3. 6.3j ENE I..7 *R 5.0 E.1.9.8.1.' 6. FSE. 31.9 1.6.4 S.9 6. SE I.2 1.3.6.6.1 7. 9 SSE 1.6.5.1 6. l.4 S. 2 2.6.31'. SSW.2.5.1 P 4 N.4 SW.1. ~.2.R 6. WSW 3.-6 *A V.3 5.1 A. 10 1.6 6.3I WNW.2 1.'. 7. r S. 7 NW I 7.6.2 1.6 7. 8 4N I A 1I.N 1.6.7 4. f, I TO TALS I.4 227. P 10.1 0. 3 1.9 100.0 3. I T0TA1 NUMPER OF OPSERVA ti3ns: -3OO
GLOBAL CLIMATOLOGY BRANCf- PERCENTAGE FREQUENCY OF OCCURR7NCE 3F SURFA C WA') DIRECTION VERSUS WIND SPEED USAFETAC FROM HOURLY OBSERVATIONS AIR WEATI.ER SERVICE/MAC STATION NUMPER: 722886 STATION NAME: VAN NUYS CA PERIOD OF RECORD: 78-87 MONTH: MAR HOUPS(LST : 0900-110D IDEGREES) I I winl N - - 3 3.2 3.8 2.0.1 9.s 1 3. 2 NNE I.4.4.9 6.9 Nr I.2 2 0.. ENE *4.l 1 1.0 5.0 L I.1 2.4 1.4 2 4.1 6.T ESE 4 4.6 4.2.5.2 9.6 7.0 SE,1 3.3 2.6 8 6.8 7.o SSE I 3.9 1.6 * 3.1 5.9 6.7 S I.1 S.5 1.1.2 5.9 5.7 SSW.2.9.4 1 1.5.9 5 I.2 1.9.4.1 2.7 5.2 WSW I.2 2.4.9,b,1 4.2 7.2., 1.6.9 2.6 b.y WNW I.4,0.2 1.3 4.q Nw [.4 1.3 1.1.2 T.T I1.r NNW I.4.1.4.9 7.4 13.l 4ATARIALE I""" CALm /// 37.2 Il//// ;OrALS a 2.o 4. 4 2.4 9. 4 3.5.1 130.0 5.2 TOTAL NUMMEP OF OPSRVA T0NS: 930
G LObAL CLIMATOLOGY STANC- PERCENTAGE FREQU7NCY OF OCCURRCRCCE OF SURFACE 4149O LJIrCrroR VFRSJS d1n0 SPEFU USAFET AC FPOM HOURLY ORSERRATIONS AIR OAQIIER GFRRICE/MTC STATION NIJRPET: 122886 STAT ION NAME: VAN RUTS CA PLIUTOC OF RECORD: 70-87 -INTH: MAR HOURS(LSTI: 12flO-1403 I jiro SPEE3 TN KNOTS DIRLIION 1 13 4-6 7-10 11-16 17-21 22-,? 28-33 34-43 41-41 48-5S oc 56 TOTAL 8584A I DE.E R 21 4. 1. w7 I 12.7... N....... 3..................................... NNE I*.1.12. ENE 1..3.5.6.1 2.2.4.138 8. f SE S 5.3 5.7 1 I1 2.0 7,T.6 SE 5 s 6 5.5 1. 3 17.4 7. SSE I4.5 6.q 1.617 0[ S 5. 5.1 1.? 17 7.6 558 1..9.2 '. 8. SW I. ~.R.2.7 7. WSW 2.6 1.5.9 40. sww. 1.1.2 9..7 NA.4* 1.4.9.4 17.3 NNWA I -.2 1.4 1.0l.1 4.7' It.1 TOTALS I.4 311.4 18n. 3 1N. 1 2.7.8 13,.[) 7. f TOTAL NURRER OF 08R.E RV ATI13NS: 930
GLOLAL CLIMATOLOGY 884NC PLYCENTAGE FPEOUNCY OF OCCURRENCE OF SU4rACE WIND DIRECTION VERSUS WIN D SPEED USAFCTAC FRO" HOURLY OBSERVATION' AIR WEAT -ER SERVICE/POAC STATION NUMa.L: 722885 STATION NAME: VAN NUYS CA re'ioo Or YECOD: 7--87 MCNTH: MAP HOURSILSTI: 1500-1701 I WIINO SPEE) TN KNOTS UIECTION I 1-3 4-6 7-10 11-16 17-21 22-?7 28-33 34-4 41-47 40-55 GE s TOTAL MEAN IOAIbPRSI I W I1ND N I.2 1. 32 6 1.6 1 3. 2 NN4.2 3 * 10,8 NE.3. i1i 8.' ENE.4.2. 5 A5. E I.7 1.5.3 3.6 7.1 E sr 3.7 5.5.8.1 10.0 A SE I. 7 f.8 1.2.2 12.3 8. 6s S 3. T 12.2 2.5.1 18.1 9.2 s 2.7 8.9 1.0 12.0 8.5 %* 1.2 1..6. 1 3.4 A.7 SW 1.9 2.9.5 6,.4 7.R WSW I.1 S.8 1.3 7.4 8.1 W P8 1.8.93..6 WNW 7 2.3.q 3.7 1,.9 NW 1.2 1.56.8 7.6 ~3. 7 NNW.2 1.2 2.0 1.0 4.9 1!.b 8481*818 I TOTALS I 21.c 54.0 17.7 2.9.1 l0.0 9. I TOTAL NUMBEP OF OBSERVATIONS: 930 ej,..=..
GLOBAL CLIMAI'LOLY BRANCE PE7CENTAGE FREOU-JCY OF OCCURRENCE OF SJIFA:E WIND UIT7CTION VERSUS WIND SPEED USAFLTAC FRO4 HOURLY OBSERVATIOrN AIR WEAT IER SERVIEL/MAC STATION NUMPER: 722886 STATION NAME: VAN NUYS CA PCEIOD OF 4ECRD: 78-87 MONTH: MAR HOUPSILSTI: 1800-23JG............. P E " ; ( (TS... I WINO SPEE3 TN KNO75 DIRECTION I -3 4-6 7-10 11-16 17-21 22-7l 28-33 34-HO T-N7 4R-S5S GE 56 TOTAL MEAN tde UEES t WI NO NNE.3.4.1 NE II1... ENE..N.1 E.1 3., 1.3.1 5.3 6.0 F SE 4.9 4.8.2 1b0 SE I 3.1 2.9,2 6.? T.I SSF 4.4 3.0.2.2 7.A 6.'Q S.2 2.6 2.2.2 5.2.7 SW. s.3 1.1.2.1 6.0 WSW.2 b.f0 4.3.z 12. 6.',.1 3.5 3.?. 76 7. WNW.2 1.1 3.4.6 5.4 9.7 Nw I.E 1.4.5.3.1 3.3 19.3 NNW,9.9 1.3.8 3.R ii,9 VARIATLE I I CALM I /I/I 1 1//II // ////////////i /////I/II////I/I/ t2.9 12.9 IllI TOTALS I 4,1 ':3.4 33.4 6.p 2.3.1 130.0 6., TOTAL NUMBER OF ORSERPITIONS: 931 ak4
GLObaL CLIMAIOLOGY 8PAN0- PERCENTAGE FPEQUNCY or OCCURRENCE OF SURFACE W'N OIRECTION VERSUS WIND SPEED USAFETAC FROI HOURLY 09SERVATIr'N AIR WEATHER SERVICE/MAC STATION NUMBER: 7286 STATION NRIME: VAN NUYS CA PEPIDo OF RECORD: 78-87 MH PTH: MAR HOURSTLSTI: 2 1 ]-2303......,.,,.......................,..,...,............,........,...,........ I dind SPEE) IN KNOTS UIRECTION I -1 4-6 7-1( 11-16 17-21 22-,7 24-33 JR-40 4 1-4 7 4-55 GE 6 TOTAL MEA ADCSRZESA I I WIND N I.r, 3.4 2.4 *S 4.4 A].4 NNE.3..1.8 7. NF I. 1. I1.T NE. 1 1 1. 4. E.1.7 1.4.2 '. ESE 4 N.7 2.1 6.4 q.7 SF 2.1 1,2.2.7 3.4 7.'. %S(.2 2.1 1.2.1 S I 2.6.73.. SSW.1 1.4.1 I. 4 SW.4 4.4.2 5. " 47 WSW.3 b.7.4 7.7 p. W. l.a. 4..2 WNW.7 I. Q 1.1.1 3.6 7. 7 No I.1 1.2.5.1 3.0 9.6 NNW.1.P 1.0.9,3 x.i 11.' T ARLIB I ""..,.... o...,,,,.......,.,,....,,,...........,..,,,... o....,...,...,......,, EI~I
GLOA4AL CLIMAIOLOGY BPANLP PERCENTAGE 'OLQuENCy OF OCCURRENCE OF SURFACE WIND DIplCIION VERSUS WIN D SPEED ISAFETAC FROl HOURLY OBSERVATIONS AIR WEATI-ER SERVICEL/MAC STATION NUMPER: f722or STATION NAI: VAN UYS CA 'E'llOO OF PECOPD: 7 -R7 MONTH: MAP HOURSILSII : ALL.,...,... *......,.**...,....,.,,*..,.......,.......... **..,,.............,..,.................... WIND OPEE) IN KNOTS OIPLCIION I I-I A-b 7-I0 Al-it 17-21 22-7 2R-3O 3-NO I-47 4P-S5 SE G 6 TOTAL M-AN IDEI,0ES) j WING.,,..,,,.,.,..,,...,..,,.....,....o.,..,...... *....,..,................................ N I.1. 0.? 0.1 1.0.1.7 1..R NNE o..3.1 *7.1 NE,. 0o... 7. FE.7.. 1..F.97 S.1 2.2 j.v.3.0 T.O L.. ISO.7 4.0 V.0,,.1 1.1 7.? SSE.T 31. 0.1...1 la 7.4 'S.7' T.' V.2.R.1 A.N 7.u S I. 3.A '.I.5 0.1 7..' S SW..'.8.1.0. '. SW. 7...2.0 IA.i WS IW, V.0 1..4 1 6.9 6.6 M,I 2.1 1.2 I. qa 1 NwI.f 1.'.I.0 0.q2. I NNWi.6 1.1 1,.0.3 V.0 1f.l VARIABLE I CAL" 2ii//If///////f////////~/I/////I,// 7.4 I// TOTALS. 1 2.7 24.6 Q.A 0.4.4 100.0 6.0.....,,,o......,, **,.,.,,,,,,.....,,,,,...,,...,...,,.,,......,. o,.. TOTAL NwMBEQ OF OFITSRVATIONS: 5d7 Sn'.
4 GLOpAl CLIMATOLOGY 9PANC PEQCENTAGE FRLQUNCY OF OCCURRENCE JF SURFACE AI,D JIPFCTIEN VERSUS WINo SPEED USAFETAC FROM HOURLY OBSERVATICN' AIR wtatffr SERVICE/HAL STATION NUMPQ: 7 2qh6 STATION NA[: VAN UY S CA L'I[2 OF P[COPD: 79-93, 9-87 M'NTA: APP HOURSILSTI: 3795-95C2 WIND SPEC) IN 09005 UIECTION I - '.-b 7-IC I I-lb 17-21 22-' 7 2A-33 34-4D 1 -u. I R-55 SE 56 TCTAL. MEA N IDUo E.E SI I I WbN................................... S7 7 55 I 9. '.7. 4.I S.7 : N w 7 7* Iw. T * 7 I -.. 7.... T0Q 1 T1A Nti'fAP OF OPSFAPV A 7I1DNS: 1734...
GLOAL CLIMATOLOGY BRANCH PERCENTAGE FLRUNCY OF OCCUPENCE OF SJ FA( sind UIPF CT (,% VERS&uS *14U SP [( USAFETAC FROM HOURLY OBSER ATICNI AIR WEATFER SERVICE/MAC STATION NUMPER: 7228b6 SIAIION 4AME: VAN NUYS CA I 0D Of PECORD: 7P-87 "CNT,: APP HOUSILSII. *hlc'-03c I WIND SPEE) IN KNOTS DIRECTION I -1 '4-6 0-10 1 1-1 1-2i 22-27 ZA-33 5-40 41-4O 4p-SN C 66 TTIAL MEAN (DEGREES) I WIN:,..................,........................ N I 6 31.1 2.3.1 7.11J. p 7,I.. ii.p NE I.7.1.. NE-.4 *l.5. FE.(.5 4. f SF.1 4.1.4 6.1 5.' SE I 23.5.3 4. 6.7 SE.I 7.0.8 2 4.2. 7 S 3.6 l 3.6 4.7 SSW..6.I.4 b.c NA I 1.0 17 4.6 WSW.2 2.4.1?.9 4.I V I.2 1.2 V.l WNs.A.2 1.1 6.? NW 7.4.5.S 2.1 11.1 NNW I.0 1.2 2.5.6 6. 12. RARIAKLE I TOTALS I 1.9 25.2 7.9 6.9 2.2 D.0l T.......,,... o.,...,.....,.......,,,,.,,.....................,...,...... IOTAL NUMBER OF O9SERVAlIONS: 126 -, * L 6
GLOdAL CLIMATOLOGY P 0 6 9CENTAG FPIQU:NCY Of OCCLPRINCL r SJ4FAZI.h'.,l.rf.TTN AvfTu%.1N0 SEFLb USAFETAC FpOq 7 0I)dL Y 3.tSVAFill" AIR WEATIHER SIRIE'EIMAC t STATION NUMPEA: 722AS STATION NAME: VAN NU YCA IL )F 2TL CLQOP3 IP-- WM N rk. A - 3C SOL(SLS! I S-C I C112 I WIND SPE) Il 440T5 DIPTECTION I 1-1 4-6 7-10 1 1-16 17-2,1 Z2-07 2 R-33 34-4Q 4-7 oq-sb GE Sb TTa Ma..o,.... NI..........,..........3. 1....... 3.2.........................1............................................ 1...... WjI%.... U...... NNE.6.3 7 1 I NE7 qq. I. 3. 1.4 1.q 4 b.4 f.2.6 4.6.4 1. 6. EVE I.7". 1 l.6 '*.3 I.,9 2..4 7,f S 4 l 2. C58.6. 4 59 %sw. 1..9 5.4.1 ' 3..3 9I.4 6E.3 SWA Vs w I1 I I 3.,2, I,J.2.{. 10.4 6.5 % N...4 eli 1l..... 6 13.6 A AL n IIy IA f I1 1 TO TALS I. 4 20.1..,170.0. TOT AL 41,0345 Pr 04F OPF. A T11'' 9-!
GLOjiAL CLIMATOLOGY BRANCt USAFETAC AIR WEATHER SCRVLCE/MBC PEqCENTAGE FREQUANCY OF OCCURRENCE OF SUTFACE WINO DIRECTION VERSUS WINO SPEED FROM HOURLY OBSERVATIONS STATION NUMBER: 722886 STATION NAME: VAN NUYS CA PEIOD OF RECORD: 78-87 MONTH: APR HOUBS(LSTI: 1200-14LO... I T WND SPEC) IN KNOTS DIRECTION I 1-3 8-1 1-10 li1-lb 17-21 22-p?7 28-33 3N-NO NI1-N4 NB4-SO GC Sb TO0T AL MEA N IDE GPRES I S t 61-... :...... ;... ;... i....,...... N.2 1.8 1.9 1. 5.3 13.4 NNE,3.R.4..1 1.8 11.I NE. *2,7 A.S ENE.9..6 E 3.6 1.3.2 5.1 b.! FSE 6.4 8.2..2 15.; 7.7 SE 3,q 7.3 1.T I.7 1. SSE 6 3 9.0 2.2 17.6 8.1 S,2 8.8 7.7 1.4 14.1 7.F SSW 1,2 1.4 7 2.9 7.6 SW 1 I.e.7 1 2.4 b. WSW 1.2.9 1 2.1 6.5 w.1... 1.84.3 WNW..8 l 1.2 1.7 NW.4.9 1.2.2 2.8 11.6 N4N 1 1.0 1. 1.9.1 3. 1 1....,....,...,...,,,,.,...,,,,.,.......,,,... o...,,o,,..,...,....... VARIABLE I CAL" l // / /// 9.9 /I/ TOIAL " I.4!2.2 42.3 12.1 2.6.8 100.0 7.7 TOTAL NUMBER OF OPSERVRTIONS: 900-4
GLOBAL CLIMATOLOGY BRANCH USAFETAC AIR JEATHER SERVICE/MAC PERCENTAGE FREQU-NCT OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEED FRO4 HOURLY OBSFRVATION STATION NUMBER: 722886 STATION NAME: VAN NUYS CA PEPIOD OF PECORO: 78-97 MnNTH: APR HOURSILSTI: ISOO-1700 I,IN0 SPEED IN RNOTS OIIECTICN I 1-3 V-6 7-10 11-16 17-21 22- _7 28-33 34-40 41-47 48-55 SE 56 TOTAL MEAN IDFGP-ESI I 6 INS N.4 1.4 1.1. 7 N.2 12.4 NNE.2.1.6.2 1.1 i.7 FNE.1 1. f1.1 1.6.2 2.9 4.V FSE.1 A.5.6 13.1 P.S SE I. 11.7 2.0 17.5 n.v SSE I.1 10.9.0.2 16. 1 9. r S 3.6 6.1 1.3 1 1..0 I. 1.6.6 3.S 4.3 SW I 1. 1.1 I.2.. 7. WSW I 1.6 M.D 83 6.3 8.4 W 1.2 3.2 1.1.1 5.9 9. 3 WNW.4 2.9 1.7 4.9 1 -.3 NW.2 1.0 1.d.6 3.6 12.7 NNW.2.9 1.6 1.0.2.1 4.0 IS.I TOTALS I 52.p 5.0 16.8 2.9.1. 130.0 9.1.- is -4 TOTAL NUMPf P OF OPSERVAIIDNS: R9P
GLOBAL CLIMATOLOGY RAND)- PEPCENTAGE FRCOU7NCY OF OCCURP-NCE OF SOYFACE WINI3 UTTELIION VFRSUS WIND SPEED USA FE IAC FROM HOURLY OSSFRTA110', AIR WFATI-ER SERVICE/PAC STIATION NUMBER: 72288!. STAYTION NAME: VAN NUYS CA PELRIODJ OF RECORD: 71-87 MONTH: AFR HR 9 5 LS33: jrjn-?272 I WINO SPEEl TN KNOTS GIPECTION I 1-3 86-7- 10 11-1I6 17-2 1 Z2-27 28-3 3 34-40 431-N? 1 455 GE 9,6 TOTAL MEAN IDFGP:ESI I I ATN2j...... N I.8.7 1.3 11.0.7.0 1* NNEN.41 112 NE I 0. E NE IA..2 1. 5.6 E. A 2.2 6.7 F Q [ SE I 12.3 5.D.1 15.4.3 SE 44. 3.9.2 R8.9 b. SSE 2 2.2 2.8.1 4* 7. S I 3.1 1.6...7 6.6 SSW I n..3 1.3.8q sw 1!.8 1.9.3 6.1 1-8 usw I6 7 3. 1 48. 10.8 6.6 63 6.8.8 19.9 73 W W9 3 1Q6. 1 9. 3 Nw.6 2.0.9.33. 6. NNW. 1.3 1.3.6.1 3.7 j 2 1. 6 TOTALS I.2 46.27 36.8 6.R 4 3.9.3 332.0 6.9.... TOTAL NUMI8EP OF OBSERRAT310N5: 887
GLOBAL CLIMAIOLOGY BRANCH USAFEIAc PERCENTAGE FREgU'NCY OF OCCURRENCE OF SURFACE WIND CIPEETION VERSUS WIN FROM HOURLY ORSERVATIONS D SPEED AIR WEAT-ER SERVICE/MAC STATION NUMPEP: 02286 STATION NAME: VAN NUTS CA PEqIOD of PECORD: 79-Vt MONTH: APP HOURSiLSTI: 2100-230i WIND SPEE] IN KNOTS DIRECTION I 1-3 4-6 7-10 11-16 17-21 22-?7 28-33 3N-NO 1-47 4R-55 GE 56 10AL MEAN (DEGREES) I % WIND... *....... *.......o...........o........... *...o......... N I 1 1.3 1.3 2.3 1.0.0.1" 6.6 12.0 NNE.I.1.2 i0,o NE f2.2 6.0 ENE.1.6 4.7 4 L.1 8.0 1.1 9.2 5.7 ESE 6. 1.9.1 9.9 3.7 SE I 1 3.7 1.0 49. 3.50 SS 2.3.9 3.1 S,6 S 2. 4 2.4 5.0 SSW I 1 2.7.2?.6 q SW.9 2.9.2 3.6 4.5 WSW I 7 V. 3.6 9.6 4.Q W 5.6.6 6.2 5.4 WNW 2.2 1.4 3.6 6.4 ' " VARIAPLE i NW.p.6.1 1.6 7.5 NNW,. 2.2 I.A.5.1 N.8 12.2 CALM / // / // / / ////////// /// / //// 31.91 q lll TOTALS I. "7.67 12.1 4.3 1.6.s.1 100.0..t..,..,,.,..,.,,,.................,..,*.......,,.......***...... ***,......,...,.........,,... TOTAL NUMPER OF OBSERVATIONS: 936 -I.4 S,
GLOBAL CLIMATOLOGY BRANCP PERCENTAGE FREQUCNCY OF OCCURR NCE OF SURFACE WIN) UIRECTION VERSUS WIN D SPEO USAFETAC FRO!4 HOURLY OBSERVATION', AIR WEATFIER SERVICE/MAC STATION NUMPER: 72Z886 STATION NAME: VAN NUYS CA PE;?10D OF RECORD: 78-qT MP NTH: APR HOUQSILSTI : ALL I WjIND SPEED 14 KNOTS DIRECTION I I-3 4-6 7-10 11-1b 17-21 22-?7 28-33 3N-NO 41-49 49-55 GE 56 T1AL MEAN DE G. E S? I I WIND N.0.6 1.9 2.3 1.0.?.0 6.n 12. 9 NNE.3 3.1.3.0 11.0 NE.1.1 9,0.4 7.4 F NE.0.5.0 0.6 5. 2 E.0 3.7 1.3 1 5.1 6.1 FSE,I 6.5 4.M Q.0 1 1.8 6. SE. 4.0 4.5 7 9.2 7. SSE.9 3.7 4.7 8.0 9. 7.7 S 3. 2.9.6 7.4 7. SSW.0 1.4.6.1 2.2 6.6 SW -. 1.9.7 2 2.Q 6.I WSW.I 3.5 1.5 2.0 5.5 6.7 w.i 2.7 1.9 3.0 5.1 T.j WNW A 1.7 5 2.9 9.7 *JINW.5.9 F),3 2.6 10.8 NNW.1.4 1.3 1.6.7.I.0 4., I.1 VARIABLEI TOTALS.7 34 29.3 9.0 2.2.3.0 100.0 6. 1 TOTAL NUMPtR OF OPStRVAT13NS: 5391 "--
GLOHAL CLIMATOLOGY RAN0 PERCENTAGE FREOU-NCY OF OCCURRENCE OF SURFACE did 0IPECTION VERSUS WIND SPEED USAFEIAC FRO4 HOURLY OBSEQVATTVNC AIR WEATI-ER SERVICE/MAC STATION NUMRER: 722886 STATION NAME: VAN NUYS CA PL 30 OF RECORD: 77-R5 MNTH: PAY HOUPSILSTI: 0300-0503 -.,.,,...,,.o.... oo.......,,, o,..,.......,.,............................. WIND SPEC) TN KNOTS DIRECTION I 1-3 8-6 7-10.1-16 17-21 22-37 28-33 3R-N0 41-7 48-55 GE S6 TOTAL MEAN IDE GR:ES I % WIN.,.-.... o.,....,,o... oi...,. o o.....,............,...,........ N 1.8 1.4 1.8. 1.0 - 'J NE NE I FNE. -S 1.0 E 2.3 1.R '4.1 6.4 E SE.q 1.4 7.2 5.6 SE 5.q I.4 7.2 5.7 S[ 7.2.9 4.1 5,. S,S S.D 6.4 4.A l w SW 1. 1.4 4.7 WSW 3 3.6 7. 6 1...0 5 1.4 b3 WN S I 1.4 1.4 4 T NW q.. 4.0 '*NW..5.5 1.4 jo.7 YARIA~TTL I I CALM // /// / / / 53.2 11/ TOTALS I.9 5.C 7.7 1..5 100.0 2.R TOTAL NUMHER OF QSFRVATIONS.: 722 Ia, --A
GLOBAL CLIMATOLOGY ETRANET- PERCENTAGE FPLQU:SCT OF OCCURR2NCE OF SUIFACE WINO DIR(ClION VERTSUS WINO SPEED USAF ETAC TRO4 HOURLY OBSFRYATION' AIR WEATHER SERVICE/MAC STATION NUMBTER: 72ZR66 STAT ION NAME : VAN NUYS CA PL I0U or REC3RD- 77-86 MONTH: MAY HOLRS(LSTIt J6C0-OaCl I jin0 SPEE) IN KNOTS DIRECTION I 7-3 A-6 7-10 11-16 17-2 1 22-?17 R-33 34-40 4 T-4T NT4-SS GE 56 total ME A N (DE Gp E r %I I IN C, N.112 16.. 4 11. NNU 3 c7 I37 NE 1.3.4 7* E NE I 1.6.9.7 I 1 3 1 I. [ SE. 3 B A. 2.0.1 10.. SEL.2 S.1 1.2 *2 5' ST It. 5 T2 1.6 7.1 WSW I.7 2.3.2 2. 7 N. I 1. 4116. NW I *.6 q9 I. SPNW.1.5 1.0.N 3.1 1 1. TOIA LS 1.M 3 N. I 1 1.0 2. 9.5 100.0 3. TOTAL NUMPER OF ORSERAWTIONS: RIO
(,LOUAL CLIMAICLOGY 301601- USAFLTAC AIR WEATF[R SURVIC[/MAC P C IITAG CC PEQU64CY T O OCCURRENCE OF SUIF ACE. 14J 131PFLI ION VLRSUS WIND SPEED 3004 HOURLY ORSERVAVI0' S TA TION 40343CR: 12986, STATION NAME: VA4 NUYS CA E 7 1 OD 0F RECORD: 77-Rh Mn~NTH: MAY HOLRS(LSII : 9-lL I WIND SPELG 14 KN0TS DIRECTION I 1- -1 I 4-b 1-11 1 16 17-21 22?-?? 28-3 3 34-43 61-47 4.6-55 GE 56 TOTAL MEAN (01EF S I5 I WlIND N3 NE..1. 3. I N[ I.1 q S.!. 11.5 6.7 5.b I Sr 11. 6.3.2 15.5 5. f Sf.1 91.0 5.2.6 1 Q 9 6.6 SF3 I 1 1. 4.6 11. 9. 7.p S 1,S 3.5.2 b1~ 14. 1.6 1 1.3 5. WSW I 11 9..6.2?~ 6. 0 I 3 R.7.3 W5 P I 46..6 6. N.. I1.5 13.2 1.2 12.0 TOTALS.R 45.2? 3. 3 9. 1. 120.0 5. TOTAL NUMPL? TIE OPSITRA tions: 9s0 0d
UL0OAL CLI PAT OLO0Ly RR4AN0C PEICENTAG-E FREOU'NCY OF OCCURCNCE OF SU4FACE il'id DIRfCTION VERSUS WIND S?EED U',Af I A CFPOR HOURLY OBSERVATION' AIR WfATI-EP SERH ICE/MAC S TA I '74 UPR, -: T,'Z686 STATITON RARE: VAV NUYS CA pe'100 OF RECORD: 77-R6 MONTH: MAY HOURS(LSI: 12JO-1400 I wtno SPEE)ITN KROTS Ul-LCIIOPA I 1-4 -b 7-10 11-16 17-21 22-2 7 28-33 34-40 4 1-47 4R-55 GE Sb TO0T AL MEAN IL)t 5,ErSl I % WIND N I.~2 1.137..5 27 NN..1.2 94 NF I..1.2 7.0 E NE I 1.2 5 1.!.4 2.3 51.7 6.5 F S, 7.3 1 3. 3 7.0 227.7 A4.I I 2 qt 12.5 3.R 4 1 21. I a SSE I 4.-3 10.6 3.49.4 14.7 9. S 4 -. 7.A 7...3. 7 SSW I R.6 14 6. P ISA.9.1 1. I. WS I..6 9 ~. ASI.2.7.7.6 9. NW..3.R.2 1.7 1".4 NNW.1.410 3 I~ TOTALS I. 92.7 50.3 19;.4 1.2 100.C 1.3...... TOTAL NUMPER OF OPSIRRATINS: 93C
GLOBAL CLIMATOLOGY RPANC- PEOCENTAGE FREQUNCy OF OCCURP-NCE OF SU4FACE 4I'iJ JIAF(TION V[PSUS win D SP--FJ USAFET AC FPO; MOURLY 09SF0VATION" AIR WEAThER SERVICE/MAC STATION NUMPER: 722q86 STATION NAME: VAN NUYS CA PtSIOD UF RECORD: T7-8 MONTH: MAN HOLPSILSII1............,...................,.,,. *....,,.,..................... *,........................... I INO SPEC] IN KNOTS DIPLCTION I 1-3 4-6 7-10T l1-16 17-21 2 -_7 28-33 34-40 41-47 48-55 be 56 T12T8L MEAN (DE GRES) I 6 1-1[ N.............................. NNE I..1.2 1'.2 NC.1.1 ENE -2.2 L ~ 6 3.4 S 9.5.. FSE 2.5 19.5 5.; 24. ( Q.' SF. 2.0 15.4 5.5 2 3. 3 5S 1.7 a.9 3.9 4*E 90 1 S, 5.2 1.9 9. q Q.I SSW, 12..2 1.7 87 SW. 1.0.5 2.5 A.I WSW., 1.9 1.3 5.4 8,.., 2.3 1.1 4.1 4.q WNW 1.5 2.2 3.7 11.9 Nw 1.0 1.l 11., NNW,.2.1.2. 13.1 WARI[ARLE I CALM / 1.1 I / l IOTALS I,I 13.7 61.9 22.6.6 100.0 Q.5... L F OS.A... P:...,, PUSS:...S.........,..,,..,.IC...,,........,...,,,.,...,..,,, TOITAL NUJMq[O OF OPSF PVATI )NS: 93C
LO:,AL CLIAfl LOFY F1ANC- P-.RCFNTA5L FREJUENCY OF OCCuRRENCE OF SURFACE W I OI[FCTION VERSUS WIND SP-EU :SAFE I A- FIO4 HOURLY OTS(RVATIO " AIR.F*T.,R S RVICL /MAL 7 TAI1)N No"HL : 772q Ab STATION NAF: VAN NUYS CA PF I0f, F PC 0P: 77-86 '')NTHi: WAY HURSILSTI: 1820-2703 I WIND SPEE3 IN KNOTS L1 CIIcN I -A 4-5 I-131 11-lb 17-21 22-?7 28-33 3-4l0 4 1-47 48-SS GE S6 TOTAL 8'1N ED[ (,P- I s I I % WjNID........ 'I' I. 11.1 I2.r; "F..2..1 I 8.2 7.2.2 15.6 '.6 E11..' 15.2.8 21.7 7.6 St 3.E 8.7 o.1 15.1. S f.3 1.1 2,I 7. ' s5w,p 4...6.I 3 SW 7.' 1.2,1 -.A 7l sw. S 6.7 1.C.5 7.q 4.Q w 6.2 2.7 3 q.1 7,. N6 W I8 28.I.. I Ii 6* 2.1 2.0.i.1 l. 22.2 NNW.4 ao I~ 4Rlq V,,... *. *,,,......................,.................,... AI TOTALS I.5 38.2 50.1 6.6 1.2 1jf,. T. T o. 2...,.o1...........U.....,........,.............8..8... ItOT AL NuMPTI R OF onse PVA lidns: 9 9
4 6 L0[L CLIMAIOLOCY PVA tc' ALVCCNTAGCE FVECU-'NCY OF OCCU9RNCE 3F SJ3FAL.IN) DIfLT[,N VFSSUS 41N D SAE L U1AF5141r FPO4 HOUPLY OOcSIVVATI0'4 A IN of AT-fP S'RVICE /MAC S I AI 2 NUMPE : 777145 SIAT ON AVF: VAN NUYS CA -2 Iq% SOF RSF32RJ: 71-V5 '?NI-: I-AY HOL9SIL5I : 7I7-3' I wino SPEC) IN KNOTS DIRECTICN I 1-X 4-5 7-10 II-16 17-21 22-7 2A-3! 3-4 '1l-47 4A-5 5 5b 1 1, "AL L N 41F UPEE S I 61 w ';L N I.' 1.0 1.33.1.1 4.0 1' RN II? 4 1. '. ;. N E I I 4 5l,. S1 ',,, I-. 14 0 4.4..? '.5 FSEW 1.I. 2.6, l.a 5. *'.. 5..1 I...8.4"......................................,....,.......,,. 1........, N W., 17.3.1 CVIRI F I 10 1*' A.LS 5.' 1 7.7.4 1. e.1 100.0 '..............................................................,...................,,..........,.....,......,.... TOTAL NUMAf A OF 0nS1 V A T I 's: 6--
blobal CLIMATOLOGY RRANC- PE CINTAGE FREQUNCY OF OCCURRENCE OF SURFACE WIN) IRECTION VERSUS wind SPEEU USAFEIAC FRO4 HOURLY OBSFRVATION. AIR WEATHER SERVICE/MAC STATION NUMBER: 722865 STATION NAMF: VAN NUYS CA P'tIOD OF RLCORD: 77-86 MONTH: AY HOLRS{LSTI: ALL,. o,,..,,.,,,...,.,..........,,,...,,,,,,, o..,.,.,.....,...,,,,...,....,....,.......,... I WIND SPEE) IN KNOTS DIECTION I 1-3 4-6 7-10 11-16 17-21 22-?7 28-33 34-43 41-HI 48-5S GC 56 TOTAL MEAS IDEOUPESI I INZ.................,o..........,.....,....................,....,....... N S.9. 2.2.3 2.R 11o6 NNE.1.1.1.0.4.8 NE.1.2.1.3 7.4 ENE.3.5.1.6 5.c L.1 5.7 3.1.1.0 9.0 6.3 FSE,1 8.1 9.6 1.0 19.U 7. 4 SC".1 '.9 7.S I 8.0 14. 3 A. SSE.1 3.t 5.2 1.5.1 10., 8.2 S.1 3.7 3.1.8.0 7.7 1.5 SSW 1.0,5,1 I. 6.4 SW.. 1.8.5.1.0 2., 6.1 WSW.1 3.0.5 4.1.5 6.6 w I.3 1.8 1,1.2 3.1 IT WNW. 1.0.5 I. 9. 2 NW..6.3 4. 10.2 NNW..3.5.9.3. 1. VARIABLE CALM l1t//il//i/ '/I//////////// I/fIl/l/hiIll /I/ I/hIII//III/I/IIIIIII/IlIII////l/I/I 18.1 11111 ICTALS I 7 3 2 35.3 9.2.9.3 130.0 6.1..................,..,...,,..,,,.,...,.......,..................,.,.,.,...,., TOTAL NuMPEP OF ORSIRVATI3NS: 5648-4L
GLOBAL CLIMATOLOGY BRANCH~ PCRCC4NTAGE FREJUrNLY Or OCCURRENCE OF SJ4FAC[.1%J 0I'TION AfPSUS WINU S Lrb UFET AC FR04 HOURLY ORS(PVATl% AIR WEATH~ER SERYICE/ IC STA TION NUMSEP: 722866 STATION NAME: VAN NUYS CA P; 101 C, OCORD: 7 7-96 US 9INb,: JUN H)LRSIL6I?Jil: I d1no SPEE) IN KN0TS IIPEC TION I 1-3 4-6 1-10 11-16 17-2 1 22-7 20-33 34-43 4 1-4 7 46-99 GE0 96 92TA1 MEAN tdc7up- fsi ) I I N 1, N 97*.4 9 NNE NE E NE.9. L 2.3.9 3.73 5 F SE 7.-4 1.4 A.. SE 3.'... S5F I. 5.1.5 6.11 4.R S b 6. 6.] 4. SSW.6 4 C. SW.5.9.0 WSW.9 91 S.0 NNW 9.9 93.0 TOTALE.?.Pt 4.2.5.9 100.0 1. 9 TOhAL NUMBRFV OF ORSFRVAIIDNS: 1 S
GLObAL CLIMAIOLOGY NRANCP PEQCENTAGE FREQUrNCY OF OCCURRENCE OF SURFACE.I4 DIRECTION VERSUS WIND SPEED USAFETIC FROM HOURLY OBSERVATION' AIR WEATHER SERVICE/MAC SIATION NUMPER: 722R66 TITAION NAME: VAN NUYS CA PE'IOD OF RECOPD: 77-8b MONTH: JUN HOURSILSTI: 06CO-09DO.. o. o........ o.. oo... ooo... oo...... oo.... o................................. IWIND SPEEI IN KNOTS DIRECTION I 1-3 4-5 7-10 11-16 17-21 22-,? 28-33 3N-ND 41-47 N8-5S GE S6 TOTAL MEAN (GQES I WINL... ;... ;............................ N 1. 1.2.. 17 7 12,. NNE 1.1 7.0 E 1 '4.6.2 NY q 4.P ESE b.6 1.2 9.9 S.I I 4.6t 1.1 5.6 6.6 SSE 6.1 1.R 7.6 5.' S.7 7.2.R 7.7 4.7 SSW. 1.7 1. 4 4.5 s I.I.4.6 4.0 WSw. I.6.1.9 4.7 W. 1.6.2 1.. 4. WNW.7.7.T Nw II. 1.* 10.0 NNW.1.'.2.6 1 S.0 o..................... o............ o......... o..o......... o. # TOTALS I 5. 6.6 5.1.6.1 130.0 0-3....... o...... o................,.................................,......... TOtAL NUMBER OF OPSERPYAI3NS: q99 * omm
LO0AL CLIMATOLOY BRANCP PERCENTAGE FREOU'NCY OF OCCURRENCE OF SURFACE.1IJ DIRECTION VERSUS WI SP-i-r{ USAFEIAC FRO)q HOURLY OBSERVATION, AIR 4EATIFER SERYICE/MAC STATION NUMBER: 722886 STATION NA4E: VA4 NUTS CA PERIOD OF RECORD: 17-96 MONTH: JUN HOURSiLSTI: J090-1I1i0 I WIND SPEE) IN KNOTS DIPECTION I A-3 4-6 7-10 1 1-1b 17-21 22-?7 28-33 34-4O NI-N7 48-55 GE 56 T01AL MEAN IDEGR-ESI I N WIND N...........2....3....6....2........................... 1.3 1. NNE.3.1.4 9.4 NE.1 ENE.1 '.e.1.3 b2 5.3 L.1 7.6 1.8.1 9.6. FSE.4 13.0 5.0.1 18.6 5.9 SE.1 9.? 9.6. AN.2 6.4 SSE.2 5.2 N.N.2 10.1 6.b S.1 7.9 2.0.2 10.2 5.7 SSW 1.3 1.3 4.7 SW,1.9.1.1 S.1 WSW.6.2.q 5.7 w 1.1 1.1 4.5 WNw.2.2 8.0 NW.7.1.4 5. N94 1.9.6 17.6 VA RI ARE I CALM liil j/ji'/j////i i///i#/~/ ////U///////II/// Z 9.6 1///// TOTALS I 1.2 47,9 18.9 1.7.8 I0.0 4.4 TOTAL NUMPER OF OPSERVATI)NS: 900
GLObAL CLIMATOLOGY BRANC4 USAFETAC AIR WEATHER SERVICE/MAC PERCENTAGE FREQUENCY OF OCCURR!NCE OF SUqFACE OIND DIRECTION VERSUS WIND SPEED FROM HOURLY OBSERVATIONS STATION NUMBER: 722886 STATION NAME: VAN NUYS CA PCO0D of RECORD: 77-86 MONTH: JUN HOURSILSII: 1200-140D i elno SPEE) IN 85015 DIRECTION I I-3 4-6 7-10 11-16 17-21 22-!77 28-33 34-N0 41-7 N P,-55 GE 56 TOTAL MEAN (DEGRZESI I % WIND N................ 4...4............................49... NNE.1.2.1.4 13.0 NE.1.1 5.0 ENE.2.1.3 3.3 E 4,. 2.9.2 6." 6.0 ESE.1 14.0 15.4 2.2.1 31.9 7.5 SE 5.6 15.1 3. 1 23. P,5 SSE 3.6 8.0 2.N 14 q.r S 3.2 5.3.9 9.4 P.I SSW.8.3 1I. 1 5,9 SW 1.1 WSW.&.1,7 '.3 w.4.3.4 Q1 3.4 WNW II I 1 j.rp NW,3 3.ec NNW N.4 1 4.5 RARIARLEI TOTL T T2.S3 Mq.1 10.1 7 130.0 7.4 TOTAL NUMBER OF OBSERVATIONS: 900
GLOBAL CLIMATOLOGY BRANCH USAFETAC AIR WEATHER SERVICE/MAC PEqCENTAGE FPEQU-NCY OF OCCURRENCE OF SUOFACE WIND UIRECTION VERSUS WINO SPEED FPOM HOURLY OBSEVATIONS STATION NUMOEP: 722886 STATION NAME: VAN NUYS CA PERIOD OF RECORD: 77-R6 MTNTH: jun HOURsILSTI: 1SO0-IT0 I WIND SPEE) IN KNOTS o DIRECTION I 1-3 4-5 7-10 11-16 17-21 22-T7 28-33 3M-4D 41-47 48-55 GE 56 1001AL MEAN iierp-esa I I WIND N I.1,2.1.T 16.2 NNE I.1..2.O i NE.1.1 8.0 ENE.2.2 10.0 0 C 3.1 4.0.9 8.0 800 FSE,1 8.6 22.7.3 35.7 8.6 mse,1 4.1 18.0 5.7 27.9 9.4 SSE 1.7 6.7 4. 1 12.4 7.9 S 1.0 2.7.3 4.' p.3! C 0sw.2.2.. 3 SW.7.2.9 6.3 WSW.i.8.4 2.3 7.8 w.6 1.0.0 2.2 8.4 WNW I1.7.9 1.7 11.T NW..6 1,1.2. I. NNw.2.3.3.4 13.8.o.. ~ o,........o.,...... o...,....... o... o...... o...o...... ~...o VARIARLEI,,.......... o... TOALS I.3 21.1 58.4 18.7.7 IO.C 9.0 TOTAL NIJMEP OF OBSERVATIONS: 900 6! i-. m
GLOBAL CLIMATOLOGYV RRANC- PERCENTAGE Fr7EQW-NCY OF OCCURRrNCE OF SU4FACE WIND UTPECTION VERSSUS WIND SPEEDJ USASET AC 9904 HOURLY 08SF9AAT1066 AIR WEATI-ER SERVICE/MAC STATION NUMIIEP: 7,28b6 STATION NAME: VAN NUYS CA PL>'T00 Or RECORD: 77-NI, MONTH: JUN HOLAS(LSTI: 19Jn-?JOD DIRECTION I 1-3 4-6 7-10 11-16 WIND SPEED TN4 ANOTS 17-2 1 22-,?7 28-33 34-40 4 1-4 7 4VS A-5 E 56 TOTAL MEAN (DE Gr E SI I UINV N 3.6.2 1.1 13.9 NNE NE I.1.1 4. ENE 1.2.11 I I 11.7 6.6,. 1V~ 4 ESE I 1 17.2 19.3 32.q 7.1 SE 4.6 9.2.6 14. 7.9 SSE I1.6 3.0.6 11.1 8.2 S 1.I 41.. SSW I 7.7 N4R SW 1.0.3 s. P. WSW 3.9 1.2.I 6.1 A I.2 2.6 50 S.1 7. WNW.7 2.3.6 3. R.6, NW.1.6. 111 1. NNW I s1.1. TOTALS.1 45.9 46.4 3. 2.4 100.0 7. 0 TOTAL NUMBER OF OPSERVATIDNS: 900-4
GLOEAL CLIMATOLOGY 9RANCP PEqCENTAGE FREIIU-NCY Of OCCURR5NCE OF SU:TFACE I[NJ OIPECTIO VERSUS WINO SPEEO USAFETAC FRO HOURLY OBSERVATIONS AIR weatier SERVICE/MAC STATION NUMRER: 7228b6 STATION NAME: VAN NUYS CA PLQIO OF RECORD: 77-Rb MONTH: JLN HOURS(LSTI: 2109-2300 I WIND SPEE) IN KNOTS DIRECTION 1 1-1 4-6 7-I 11-16 17-21 2-. 7 8-33 34-40 41-47 48-55 GE 56 TOTAL MEAN (DUr REESI I % WINE...,......, :.,,...............,., N "5 "1.R.5 1.6 12,4 NNE.1.1.3 9.[c NE,I.1 13, ENE %5.1.7 4.6 L.5 1.S 5.6 * 7 25.9 5.7 [SE. 15. 6.9 Z".9 6.0 SE I 67 2.7.1 9.5 6.1 SOT 7.1.7 3.T 5.4 S.4 2. 1 3.5 S.3 SSW,..7 4.4 Sw.1 2.0.3 2.4 S.1 WSW.1 4.7.1 4.9 4.q 1.7 17 4.9 WNW I..1 s5 5.0 NW,4. 4.0 NNW.j.W 41..,1.q I0.3 RARIARLE I CALM. / 2.D.4 /////I TOTALS I 1.6 58.7 17.5 1.1.7,1 130.0 4.7 TOTAL NUMBER OF OBSERVATIONS: 750
GLOBAL CLIMATOLOGY BRA N CH PERCENTAGE FREQUCNCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIN D SPEED USAFETAC FRO4 HOURLY OBSERVATION' AIR WEATHER SERVICE/MAC STATION NUMBER: 722886 STATION NAME: VAN NUYS CA PEPIOD OF RECORD: 77-86 "ONTH: JUN HOURSILSTI: ALL...................................................,,......,,,...,...,...... I wind SPEE) IN KNOTS DIRECTION I 1-1 4-6 7-10 11-16 17-21 22-27 28-33 34-40 4 1-847 4-55 GE S6 TOTAL MEAN IDEGP7ESI I WIND............ 4... 3... i n... 1;. NNE.9..0.1.0.2 9. NE.,C.0...1 6.C ENE.7.4.1 3 I,1 7.8 3.3.3 11.5 6.2 ESE 1.6 22 11.5 1.1.0 25.4 7.1 E S..7 B.3 1.6 19.6 8.0 SSF.1 3.1 4.0 1.2 8.q?.A S.2 3.9 1.9.2 6.0 6.3 SSW.0.A.1.0.9.1 SW..9.2 1.0 S' 3 WSW.1 1.9.4.1 2.5 5.8 w, 1.2.7.1 2.1 6.7 WNW..6 o2 1.2 8.7 NW I. 3..1.7 43. NNW. 1 1.2.2 *3.6 1 3. 4 VA8IA8LE CAL' / / t 21.l I6 /// TOTALS I,r 39.8 31.7 5.4.6.3 100.0 5.7 TOTAL NUMBER OF OPSERVA TINS: 54b -4
GLOifAL CL IMATOOGY BRANCH PERCENTAGE FREQueNCY OF OCCURRENCE OF SU-FACE 41-4 UIQECTION AFRSUS ONO SPEED USAFETAC FROM HOURLY OBSERVATION' AIR WEATHER SERVICE/MAC STATION NUMER: 7,2R86 STATION NAME: VAN NUYS CA VPIO, or RECORD: 77-86 MONTH: JUL HOURS(LSTI: 330C-0503 I wind SPEED IN KNOTS DIRECTION I 1-3 4-6 7-10 11-16 17-21 22-77 28-33 34-40 41-47 48-SS GE 56 TOTAL MEAN IDrpES I I WINO N N.. NNE NF.4.t A..4 6.0 ENE L 3.5.4 3.9 5.2 rse.4 5s-7.4 6.6 51 SE 2.6.4 9.3 5.6 SSE 3.1.9 1.9 5.4 S 2.6 2.6 4.R ssw SW,..4 5.0 WSW I.4.4 9.0 WNW 4.4.9 6.5 Nw.4.4 5.0 NNW 4.4 12,.0 YARIABRE TO TA L;.4 jr. 7 3. 1 4 130.0 1. 3 TOTAL NUMBER OF OBSFRVATI3NS: 229
GLOBAL CLIMAIOLOGY BRANCH PERCENTAGE FREQU:NICy OF OCCURR- NCE OF SURFACE WIND DIRECTION VFTTSTS WJIN() SPEED USAFETAC FROM HOURLY OBSERVAT1OJS AIR weati-er SERYICE/MAC STATION NUMPIR: 7,12886 STAT ION NA ME : RAN NUYS CA PI-P107 OF RECORD: 77-86 MONTH: JUL HOURS(LSI: 0600-39CO I DIRECTION I 1-3 4-6 i-10 121-16 WIND 17-2 1 SPEE) 22-??7 TN KNOTS 28-33 34-4O NT1-Ri 7 4-55 OF 56 TOTAL MEAN ldfgoi-rs P I WIND N I 2. 3 S NNEj NT t..1 11.0 E NE g.4.6 4. E. 32.5 M.D0. ESE 7.4 1.7 9.1 5.S, SE 4 M..T.6 6. S. 31.7 1..M 3.9 A 46.7.4. f, R 1; W I 1.9 1." 6.A WSW 1 i 22. 2.46 67 I. 1.3 1. 46.6 NW.2.2 9.0 TO TALS I 1.6 27.-8 M.0 100.0 1.,1 TOTAL NumAFIR OF OBSERATI)NS: 9112
U LOANE1 CLIMATOLOGY NPAEF PEHECENT AGE ERECQU- ET OF OCCUPRENCE OF SURFACE WIN) DIRECTION VERSUS WIND SPEED USAFET AE PAT HR4OURLY OBSERVATION' AIR WEATHER SERVICE/MAC STATION NUMPER: 722486 STATION NAME: VAN NUTS CA VLQ100 of PECORO:. 77-8b MONTH: JUL HOLYSELSYTI 3950-lID) I sino SPEC) TN KNOTS DIREC 71ON I I - 4-6 7-10 11-16 17-2 1 22-)? 28-33 3 N-N C 4 1-VT7 4-55 GE 56 TOT1A L MEAN IUEGP'ESI I t WIND N I..47.4 E., 174 2.N 10r.7n 5. 7 E SE. 14 1p. 7. 3.6 20. 6.7 SE I 1 10.2 S.N.2 1S.9 6.4 SSE 5.6 4.. 2 17.1 6. 6 S b -9.6 7.6 E, SSI..1.4 12. 4.7 id.9.11. 54 WSWd 14 1.4 4. 7 6 *0 4?.6 NW4.4.4 NV.1.1 5.n 14N I.. 9.6 CAL" I //// l/ //I/////III////////// 2.2 I// TOTALS I 1.2 S1.3 21.0 1.V o.0 41 TOTAL NUMPEP) OF TPSFRRATI)NS: R30
ULOHAL CLIMATOLOGY BRANCH PE RCENTAGE FRCOUZ.4C, OF OCCURRENCE OF SURFACE 4INLU DTECTOON VERSuS WIND 5 0 E5 USAFE A CFROM HOURLY OR3SERVATITYS AIR WEATHER SERVIEC/MAC STA ION NUMBEC : 722886 STATION NANE: VAN NUYS CA PLETIGO OF RECORD: 7 7-Rb MONTH: JUL HOLRStLSTT: 1207-1402 I W40 SPEC) IN KNOTS DIRTECTION I 1-3 4-6 71j 11-lb 17-21 22-7 28-33 34-4a 41I47 48-55 GE 56 TOTAL MEAN; (OF GREF ST )I I NIE NNE c FNE.1. 1.. 3. V 5.1 4N 6.7 7. CI I.1 19. 19.4 N.N 348.1 8. S E I Sg 17. 3 N.7 2 7.B A @.9 S I.p A.4 2. 11'7 B S 1 2.4, 3.5 1.1 T.2 P.0.Q.4..0.6 WSW I 6.3 1.0 5.R9 3.3.1.1 9.NW I..1.2 7.S N.. I.1. 10.0 11Nw I.2.2. TOTALS I.4 27.7 ST3.N 13. 7.1 10 0.0 T1 B.0 TOT AL TINNER YlF ORSERVA lions: 930
LLOf AL CLIMATOLOGY 4iA4J- IAFLTA C AIR WEAT[R SFRVICL/MAC PERCENTAGE FPLQUCHE4CY OF OCCURRENCE OF SJ4FA-' gi'l UJIOPCTION VERSJS WIN0 sgrs FRO4 HOURLY OBSERVATIONS STATION NUMP P: 5 R 65 SIATION NAME: vay NUYS CA :1Eo1() OF RECOR : 77-96 AOSI!H: JUL HOLPSILSTI: 15r-151-:............... o.................oo....................*.o......................................................... I WIND SPEE) IN K4OTS UINECTION I 1-5 4-b 7-10 11-I6 17-21 22-_ T 2A-33 34-4 41-47 4 R-5 GE 56 TrAL MEAN 1of SP LES I I t 1N D................................................oo.......oo.ooo.....................,............................ N I.1.2 0* 7 N NF inc I. I.1, I S 27.4 7 41.1 I SF I.2 16.6 6.6 2..r SSC I 1. 5.1 5.1 9q, io.o I,.5 0.2.5 3.0 H.? WSW 5. 1 *5. 4 1. 0 1. 2.42. I.2I 1.(1.* 2.4 10.1 WNW. 9.145 1. P.6.0 TOTALS I43. 64C 21. 10.0(1 D1 4......;i.. ;i ;............................................................. AOT A L NIME U LPn or O"SERVA 51345: 95n
GLOBAL CLIMATOLO6Y BRANCH USAFETAC AIR WEATHER SERVICE/MAC PERCENTAGE FiEOUENCY OF OCCURRNCE OF SUqFACE W1NJ JIECTIUN vrsjs 11ND S LEO FRO4 HOURLY OBSERVATION' STATION NUMBER: 722806 STATION NAME: VAN NUYS CA PERII0 (;F RECORD:?'-A6 M NTH: JUL HOLRSiLSTI: 193-2)UD ~ ~ ~ ~ ~ ~ ~ ~ ~ ~..... ~ oooooo WIND SPEEI IN KNOTS DIRECTION 1 i-3 4-6 7-10 11-16 17-21 22-77 28-33 34-NJ 41-47 48-S5 GE 56 TOTAL M.A N toe GR- ES I %.INil N..2.4. S NNE.1., C. NE.1.1.2,.C EN.9 E,..N L -3 11.3 14.1.9 26.6 7.j ESE 11.6 1.. 30.6 1.0 SE 3.6 6.7.5 10.p 7> SE 1.6 2.4.4 4.4 R.1 5 1.1.6 1.6 6.0 S5W.. 1,. 6 6. WSW.2 N.? 27 3 7.? 0.., I,. 2.3 2.7 0.! 7,1 W I.7 1.5.9 f.0 q.q NW.8.] I r p.7 66. I.2..,.3 10].? VARIABLE I CREM I i///////i////iii/// //// // I///////// / /I ///////////// /I///I/i //I/ 9.0 i////i TOTALS.6 RI.2 60.1 5.1. 130.C. TOTAL NUMBER OF OPSERVATIJNS: 930-4111- 0 II I i
6106*1 CLIMATOLOGY ARANC- PCiCtNTAGE EPEOJENCY Or OCCURR-NCE DF SUqFACE WINJ DIRECTION VERSUS WIND SPEED usafetac FRO4 HOURLY OASERRATION'S AIR WEATHER SLRRICE/M*E STA ION NUMBER : 7-22*686 STATION NAME : RAN NUYS CA PLRIOO OF RECORD: 7 7-66 MnfNH: Jt.L HOLR5ILSTI: 1Z! DIRECTION I i- I N -b 710 11-16 WIND SPEED IN KNOTS 17-21 22-7 26-T 33 N3-4D 41-4N7 4 9-55 GE 56 TOTAL -f AN IDEGP:ESI a N hl4 N I 1.1.T.. ; NNE I ~.1.4 L * 6.2 311'. 2 4 ESE I.6 16.6 6.9?j.-, SE I 1 36 2.... s5 It 21.5 SSW1 1. 0 1.1 1. IA 4. Iw.1 NN.1 1. TOTALS I ~ ' s. A. 1I' TOTAL NUMI-EP OF 0053F P6V* T I 145 3719
GLO8AL CLIMATOLOGY SINET- PERCENTTAGE FREODENCY OF OCCURRENCE OF SURFACE 14N) DIPECOTON VERSUS WIND SPEED USAFE VAC FROM HOURLY ORSEPVAT1ON AIR FEATI-ER S[RVICE/MAC S TA TION NUMT'E 0 : 7228b6 ST1ATI ION NAME : VAN NUTS CA FE"100 OF AECORO: 77-Rb MONTH: JUL HOUPSTLSTT: ALL I 4160 SPEC) IN KNOTS UIRLCTION I 1-i3 4 -b 7-I1 11-16 17-21 2 2-7T 2R-33 34-4O 4 T-47 4-55 GE S6 r CTIAL MEAN N I. 1.2.0.0.4 N. NE I 1.3. s.6 FVNF. 1.5.1.7 S.. 1 9.3.4 1.9 1S 5.. 136 113.2 2.7 222 7f Sf 1 8i4..0 2.0U 14. 9.7 55st. 2. 3.S5 1.1.0 7.6 9.1 2T7. 12.2 4.4 6b. 5W% I 1.4.1 10.0 S.9 NNW 1.0. 4'. 4W IL 1 2.1 f. 1 6.1.I.. TOTA L """IWRTP 0 OPI 1'F TI1.4s: 56"A
t1,,al rli-a t :11 4,ANC PE.ENTAGE FREQUE NCY OF OCCURRENCE OF SURFACE.14) DIRECTION VERSUS W1ND SPEED A'lf I A FRO HOURLY OBSERVATIONS A IN R. f - lu 4 tiaii '. U: f NI, SIATICIN NAME: VA% 14UYS CA PERIOD OF RECORD: 77-96 MONTH: AUG HOERSILST): T00-03 sino SPEC) O4 KNOOS I I -hit 7I 1"R II-16 17-21 22-77 29-33 34-4U 4-47 48-55 GE 56 TO1AL MEAN {I!,(,u S!% WINJ N 4r W I..2.91.4.5.! g. S.6 i S W WSW I5 2...r SW I.5.9 l.a A~i3 WNW NW.5 5.0o5 NNV I c.9 7 0 RARIABLE I T001L I.4 17.7 3.6 1 130.0 1.2 TOTAL NUMBEP OF OPSERVATIONS: 221 -i
0 DIObAL CLIMATOLOGY ARANC" PERCENTAGE FREQUE NCY OF OCCURRENCE OF SURFACE WINS DIRECTION VERSUS SIN 0 SPEED USAFETAC FROM HOURLY OASERVATIOS AIR WEATfIER SERVICE/MAC S TATfION NUMBER: 7228A6 STAT ION NAME: VAN NUYS CA PEYTOD OF RECORD: 77-Tb MONTH: ADS VOURSILSTI: 3630-0309 WIND SPEC) IN KNOTS DIRECTION I 1-3 4-6 7-10 11-16 17-21 22) 28-33 34-40 41-4 1 48-55 GE S6 TOTAL MEAN IDEDrrFi S WIND......... NE I 1.1 4.0 ENE I 2.2 5.7 C.1 3.,2.1 T.4 4.T, ESE I.2 5.4 1.0 7.0 5.2 SE I.4 3.9 1.0 5.3 s. SSET.T 3.1.N 3.7.I S.3 4.p.2 5.4 4.7 SSW I 1.0.1 1.1 5. SW. q.8. I WASW. 111.6 1 4.1 W.4.4 4. WNW I..2.3.6 6. NW I. 1 4.0 NNW I 1. 2 7. CAL- ///////j//j////////j////////////////////ii// 69.3 t// TOTALS I. 2E 1. 3.4 l o r 1. TOTAL NUMBER OF OBSERATIONS: 929
GLOBAL CLIMATOLOGY BRANCP PERCENTAGE FRLQUENCY OF OCCUR-RENCE OF SURFACE OINJ DIRECTION VERSUS INO SPEED USAFETAC FRO4 HOURLY OBSERVATIONS AIR WEATHER SERVICE/MAC STATION NUMBEP 22986 STATION NAME: VAN NUYS CA PERIOD OF RECORD: 77-86 MONTH: AUG HOUgSILSTI: 09UO-1100... I dind SPEE] IN KNOTS DIRECTION I 1-T 9-6 7-10 11-16 17-21 22-77 28-33 34-40 41-47 49-55 GE 56 total MEAN IDEGPEESI I t 1IND N, N.1. 6.' NNE.1.2.3 3.7 NE.1,1 P.S ENE..q.1 *g 4.9.1 6.48.3 1.9 1.f E I. 12.6 S.S. 5 1q.8 6.1 SE 9.2 4.6.1 14. n 6. SSE.1 6.7 2.7.1 q.6 11.9.3 6,q 1.5 8.6 5.4 S3 w,i 1.7.1 1.", 5.1 SW.9.9 4.9 WSW 1.2 1 1. 5. I..1.4 3.5 WNW',I q.0 NW I.1 4.0 N NW 4ARIABL.E TOTALS 1.4 46.6 16.3.9 100.0 3.8... TOTAL NUMAER OF OSERVAT1ONS: 930 0 b
GLOHAL CLIMATIOLOGY 9RANCI- PEqCENTAGE FREqUeNCY OF OCCURRtNCE OF SU4FACE din DIRECTION VERSUS WIN[ SPEED USAFETAC FROM HOURLY OBSERVATIONS AIR WFAT-ER SERVICE/MAC STATION NUM ER: 722qBS STATION NAME: VAN NUYS CA PEQIOO OF RECORD: 77-86 MONTH: AUG HOURSILSTI: 1200-1403 I O~IND SPEC) IN KN0TS DIRECTION I 1-3 4-6 7-10 11-16 17-21 22-P7 28-33 34-461-N7 48-55 GE 56 TOTAL MEAN 401 SR- SI I W INC........... I;... 7;..... N N7 Nr fne.2.1.3 5. 3 S.1 3.4 3.3.7.1 7.r CSE.I 17.9 14.9 2.7 2A.6 7.8 SE.7 13.7 4.4 26.8 8.S SSE 4.2 9.5 3.4 17.1 9.13 S I.1.3 4.1 p8 8. 3 7.4 SSW, 6.6 1. 3.W SW.53.3 I WSW.4.2.6 b.2 w.4.4.i 1.0 7.2 WNW,I.3.1.5 -. O NW I. 1 4.0 NNW VARIABLE I TOTALS I.3 31.p 47.3 11.7 13O.0 7.4 TOTAL NUMI E OF OBSERVATINS: 930
GLOTAL CLIMATOLOGY BRANCH PERCENTAGE FREQU-NCY OF OCCURRENCE OF SURFACE.IND UJIECTION VERSUS WIND SPEED USAFETAC FPO HOURLY OBSERVATIONS AIR w(ati-er SERVICE/MAC STATION NUMBEP. 722986 STATION NAME: VAN NUYS CA PE OXO OF RECORD: 77-86 MONTH: AUG HOU.,S(LSTI I500-1700..........................,...,.,... o.............,o...,,,... o..... I wind SPEE) IN KNOTS DIRECTION I 1-3 N-b 7-10 11-lb 17-21 22-!.7 28-33 34-43 41-47 48-55 GE 5b TOTAL MEAN IOEUPEES) I 1 WIND N......... NNE.1.T.1 10.0 NE FN I.1.1 5.0 t 2.2 N.8.6 7.6 P.5 'SF.,5 20.1 5.6 35,3 P.6 SI" 1.8l ZN.? '.. 7?N.3 9.s S.S. 7 q, 4. 13.4 9.9 S 1.1?.T..9 8.7 ".9 I,.2 4 73. sw.8,1.1 1.3 6.3 WW. 1.3 2.0 7.6 m 1.3.5 2.8 9.3 WW.' 2.3 1.1 4.1 9.8 '.6. -9 1-.1.1 2.8 11.0 9NW.1.I.. 1.0 AAIIMfLE I..........,o... o...,...,..,...o...o,. o,........................ ECi"L / //I/ l///i I/I Iilt /1// I//It /Il Ill/ /I f//jt/jl//jii //lj/l//l///l/l ///ll 1.0 IlIl/I HOTL.1 1. 57.2 20. 100.0 9.0........,..... o...... o.....,,...,.....o o. o.. o.......,,,, o,....,,,o o,. S.t 1O1AL NUMPEP OF OPS[RRA 111N: 93 -.4
GLOLAL CLIMATOLOGY BRANCH USAFETAC AIR WEATI.ER SERVICE/MAC PERCENTAGE FREQU-NCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEED FRO" HOURLY OBSERVATION' STATION NUMBER: 722886 STATION NAME: VAN NUYS CA PERIOD OF RECORD: 77-86 MONTH: AUG HOURSILSI : 1800-2300...,............,...... o....... o...,,... o.,..........,.,.......... I WIND SPEE) TN KNOTS DIRECTION I 1-3 N-b 7-10 11-16 17-21 22-77 2-33 34-4D 41-47 48-55 GE 56 TOTAL MEAN IDEGREESI I wind..n........... 5.7 NNE NE ENE 6.2.9 5.4 E.2 13.7 9.5 23.3 b.3 ISE 13.3 16.8. 39.9 7.3 SE 3.7 6.8.4 10.9 7.P SSE I.1 I. 2.4 4.0 7.i S.6.5 2.2 6.2 5SW q<.,9.9. S4 I 2. 3.9 2.9 9. WSW 4.6 1. 5.7 5.6 W 79 3.5.3 T. 7. WNW.f, 1.6.1 2.4 9.4 NW,..6.2 1.0.1-4 NW,1.2..6.3 TOTALS I.3 0 3.! 2.2 130.0 b.4 TOTAL NUMBER OF OPSERVATINS: 91E -Ja
G102AL CLIMATOLOGY 83264Cr PERCENTAGE FQLOUENSC, OF OCCURRENCE OF SUOZFAC! W1%) PIRE.TIO't VF85)5 w I N S pee D USAFETAC FRO'4 HOURLY OBSERVATION', AIR WEATHE~R SFRVICE/MAC STATION NUMBER: 722886 STATION NAME: VAN NUYS CA 302101) Or RECOPlS: 17-86 05N7H4: aag HOLPS LST4 : 2100-230J i WIND SPEE) IN KN01S DIRECTION 1 1-3 4-6 7-10 11-16 17-2 1 22-?1 28-31 34-40 4 1-4 7 48-SS GE 5,6 1TTA L M.,AS IDECGP: ES I I I wiu N I.3. NNE 1. I. NE.I... 1.NE7.4 1.6. E.4 20. 1.9 2 6.6 E SE I 1 1 7.0 4.5 21.6 5.6b SE 1 I. 4. 1.2 6.4 9. SSE.1 3.0.7 3.9 b.1 S 11.4.N.4. SSWA 1.?.1 1 5.0 SA I. 2. 4 2.6 4.5 WSW 3.7 3.7 4.6 W 1.4 1.6 4.6b W.NW I4.1.5 3 NA..1..4 I.' '444 I..3.4 A.1 TOTALS I.3 57. 4 14. 1 * 1 100.0 8.0r TOTAL NUMPEP OF OBSERVATIONS: 7 60r do-
GLOBAL CLIMATOLOGY BRANCH PEICENTAGE FREQU-CY Or OCCURR-NCE OF SURFACE WIND DIRFCTIN VERSUS WIND S'EED USAFETAC FROM HOURLY OBSERVAIIONJ AIR WEATHER SERVICE/MAC STATION NUMBEP: 722986 STATION NAME: VAN NUYS CA E'IObi OF PICORD: 77-Rb MONTH: AUG HOURSILSTI : ALL I WINO SPEE) IN KNOTS DIRECTION I i-3 4-6 7-Au 11-16 17-21 22-77 28-33 3-4O 41-N7 48-55 GE 56 TOTAL MEAN (DEGPRES) I WIND.. o.oo,.o~o... o,.,,,,,... o......o......... 6 N..7 '.. NNE.7.2. 7 NE o0.3.0 6.5 ENE.3.6.1.6 S.I L. 77 4.7.1 12.0 6.p ESE,. 11.0 10.3 1.6 23.0 7.p SE,!.4 6.8 1. 1'4.2 7.9 SS I. 3.7 3.9 1.3 4.c 7.9 S.1 3.2 1.6.2 5.2 6., SSw..R.2 1.0 5.6 sw..?.2.0 1.4 S.i WSW. p..4 2.4 5.5 w,i. I.! 1.3.2 2.T 7. WNW,...9.2 1.4 R.P NW.2.2.2.0.7 I0.0 NNW..1.33 R.6 VARIABLE I TIOTLS I. '6 9 2.P r.r.0 100.0 5.2,,,...,,...,...,,...,,...,,.,,,...,,.,,..o,,...,..,o.,...,... o......,,..,.,... TOTAL NUMBER OF OVSERVTIN : N56g 0o.
OLOJAL CLIMATOLOGY ARANC- PERCENTAGE FREQ)UENCY OF OCCURRENCE OF SUVEACE wind DIRECTION USAFET AC FRO4MHOURLY ORSERRATIONR VERSUS WINO S 1 EU AIR WFATF-EP SERVICE/MAC STATION EUMMEP:?22RA5 STATION NAME: VAN NUYS CA PL>3100 Or RECORD: 17-A8t MONTH: SEP NDLRSILSTI: 0!00-D500 I SINS SPEE) IN KNOTS DIRECTION 1 1-3 V -V 1 1-T 21-16 11-21 22-7? 7 R-3D 3R-4J NI-u) VN404-S5 5 G 56 TOTAL PE AN- (OE UR: ES ) I I WINE, N I.5.6.5.52.9 12.3 NNE I*5.5 1. ly.0 NE.r6. 5 b E NF I E 2.9.5 3.4 I SE 3. 4l 1.5.S S.4 z. SE I.N. 1.0 2.9 6.rC SSE 2.0 2.0 4.R S 11.0.5 1.5.7 55S6 I.5.. SA NSA s 2.N4 2. N4.V4 w. P. ANA.5. 6.0 TOTALS I4. 1..9 b5 1.0 100.0 I. TOTAL NUM63LR OF OVSCRVA TlVS: 225-4
E.IOdAL CLIMATOL06Y 3RANCH PE:IENTAGE FREQU-4CY OF OCCUPRrNCE OF SJ;FA2CE WIN) DIRECTION VERSUS W~IND SPEED USAFET A C FRO9 HOURLY OBSERVATIONS~ AIR weatier SERVICE/MAC STATION NUJMBER: 722886 STATION NAME: VAN NUYS CA F'tc IC0O P ECORD: 77-8b "CNTP: SEP NOUR 5 (LSTI: 3600-39CD WIND SPEC) IN KN0TS DIRECTION 1-3 4-7-10 11-It 17-2 1 22-27 21-IT 34-4D 4 1-4 7 AV-9s 6E 5b TOTAL MEAN NNE I..1.1.2.6.4 I NE 1.b.7 5 E'i 4.4.. * E,E S. 1.4 7.1. SE. 4..7 r.2.. 3. 1..S 2.6... SSW '.3.7 SI 4.2.7. 4 WSW I.1 2. 1 4. A. 4.7. 3. WN1. ~. 4 2..7 4. Nw.27I..2. TOTALS I. 2.' 57 1.1 100.0 E. TOT AL NTMPTP nf OPSUPVA T13NS: 9nJ
GLOJAC CLIMATOLOGY PRANC- USAFLTAC AIR WEATHER SFRWICE/MAC PERCENTAGE FPRLOU'NCY OF OCCURR-NCE OF SURFACE WIR!D DIPFCTION VERSUS.INO) SoED FROT HOURLY OBSERVATICN' SIATION NUMPLY: 7229B6 STATION NAME: VAN NUYS CA P LP0V SFf C UPO; 77-P6 MrNTH: 3'-V HOL RS LSTI : Jii -IJ I....,.,............................,.........,........,.......................................... I WIND SPEEl IN KNOTS DIRECTION I I-i 4-b 7-10 11-16 17-21 22-? 28-33 34-43 41-47 40-55 GE I 1 I AI HEA N (DFGREFSI I % WIN; NNE.1.2. h NE I.4 11.0 ENF.,. I.., 5.f.3 6., -,, f I.S 1E.? 4.2 3 11.4.' SE.1 RR T.2.2 92.4 '.' SOT'.1 5,.C 3.3 * 1 q.6 '>.' S.6.N 1.1.1.1 0.3 6 SW 1*..1 21 NA WSW, 1..1 I. V.4 - I x.~1 4. WNW.1.1.i. 4.7 NNW... 1.4 0.!.......o..................................,.........,.....,,........................ VAPIARLF [I.. 10 T A L S F 4b.4 14.03 1,.4 l, to0t7al NIIMt E OF OP S PV A T13 N%: gli
GLO6AL CLIMATOLOSY BRANCP PERCENTAGE FRE6U:NCI OF OCCURR7-NCE OF SURFACE 11,9 DIPECTION VERSUS WIN 0 SPEo USAFETAC FROq HOURLY OBSERVATION' AIR WEATFER SERVICE/MAC SIAION NUMBEP: 722986 STATION NAME: VAN NUYS CA PPIPOD OF VECORD: 77-9b MrNTHI: SEP HOURS(LSTI: 12UC-14UD WIND SPEE) IN KNOTS DIRLCTION I 1-7 4-6 7-10 11-16 17-2 1 22-27 2R-33 34-40 41-47 48-55 GE 56 TOTAL MEAN ICEGR-ES I I WINU 1..,..,.,... o...,...,,...,..,... ~o *....oo.o...o.....,..................... N!..2.2!".7 12.2 JNE.4 4 C. NF* 1 4. ENF.4.4 Q.9 1 2.9 2.9.7 6.1 7.1 t. 9.2 11.9 2.1.1 22.6 7.7, SF 6.1 12.6 2.6 21.2 9.3 SSC, 6. 8.0?.8 17.9 9.1 S 6., 4.9.7 11.1 7.2 I. 1.9.8 5. SW 1.2.4 1.p 5.2 WSW 1.2.9 1.0 6.1 W.7.1,2 1.2 7.4 dn.. 9 A1 9.9 19!.w.2.4 7.3 nw.1.2.i.4 9.-"..... o,....,,,,,...,.,,, o...,o,,.... o,,,,,.....,. o....,....,.,........ VAPIABLi Jr I. T 7 7 41.9 9.1.7 100.0 6.9.......... o,..,,.........,..,,....,,,,...,.,,,....o..o.,, o.. oo......, 4'A ','V U 'VA I13NS 930 9k
GLOBAL CLIMATOLOGY BRANCI USAFETAC AIR WEATHER SERVICEIMAC PERCENTAGE FREQU-NCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEED FRO4 HOURLY OBSERVATION' STATION NUMBER: 722886 STATION NAME: VAN NUNS CA PEQI0D OF PECORD: 77-96 MONTH: SEP HOURSILSTI: 1500-I7CO............................ w. N P E N K ; ;...... I WIND SPLE) IN KNOTS DIRECTION I 1-3 4-6 7-I0 11-16 17-21 22-:?7 28-33 3N-ND 41-417 4-55 DE 56 TTTAL MEAN IDEGRZESI I I WIND.o N. N..o... I,3... o..... o..... o...1 I...o..1 oo...,................................7.0 IS.7 NNE.1.3.1.6 15.2 NE.1.2.3 16.O ENE..1.2 10.2 L 2.6 3.1.1 5.8 7.2 FSE 5.1 13.R 2.6 22.0 p.6 SE 5.2 1N.7 3.6 23.4 1.1 SSE.1 4.6 8.4 1.8 ln.4.9 R. S 3.3 3.0.N 6.9 7.5 SSW,A.6 1 1. 1.8 Sw.8.7.1 1.6 7.7 WSW 1.7 1.9.1 3.7 6.Q W I.3 2.6.8 4.7 0.4 WNW!.6 3.9 3.1 7.7 13.9 NW.1 1.7.9,1 2.R 1.4 NSW,..2.7 jl.8 TOTALS I. 2. 4 55.! 14.2.6. 120.P 8.4........... TOTAL NUMBERP OF OBSERVATIONS: 900
GLOBAL CLIMATOLOGY 9RAN~t- PERCENTAGE FPEOU:NCY OF OCCURNCE OF SUZFA2E wind DIRECTION VERSUS WIND SPEED USAFET Ac FRO4 HOURLY ORSEQYATTON'S AIR WEATHER SERVICE/MAC STIA TION NUMBER: 722885 STATION NAME: VAN NUYS CA PERIOD OF RECORD: 7 7-RN MONTH : SEP HOLRSTLSTI: 1 800-2)03 I WIND SPEE) TN 8'V0TS DIRECTION I 1-3 V1-6 7-10 1 1-16 17-21 22?7 28-3 3 38-NO 41-47 4R-55 GE 56 T07AL MEAN I DF G 8 :ES) % WIND6... N 1.6.. 6.. NNET I..1 18.0 NE I..2 6. 0 ENE I 6 5' I RR 5.0.119 Y F SE I11.1 6.9.1 18R.f P, SE 5 S. S.0 19.21 6. 7 S SE I 26 1.7 41 1. 6. f S I.2 2.1.R8.. SSW.1 116.6 2.2 el.s NV. 3.7 *N.14~. WSW.R R.7 2.2 1 1.3 5.6 64 4210.8 b6.6 WNW I.8 2.2.6 7.f, 9.7 1W I. 1.2.2 1.8 93. 4NV.4.1.1 1 3 IT VARIABLEI TOTALS I.1 52.6C 71.2.1 13 100.0 N.?... TOTAL NUMK~tR OF DESFRYAIONS: qio
GLOBAL CLIMATOLOGY BRANC- PERCENTAGE FREQU-NCY OF OCCURRENCE OF SURFACE WI4 DIRECTION VERSUS WIND SPEED USAFETAC FRO4 HOURLY OBSERVATiON' AIR WEATI1ER SERVICE/MAC SATION NUMBER: 722R86 STAIION NAME: VAN NUYS CA PLIOD OF RECORD: 17-V5 MONTH: SEP HOURSILSII: 2100-2300... *. IN " 5PE. ". N ".NO..... I WIND SPEED IN KNOTS DIRECTION I 1-3 4-6 7-10 11-16 17-21 22-?? 28-3D 34-4 1-47 48-55 GE 56 TOTAL MEAN IDEGR-ES I A WIN...........:... ;................... N I..7 1.R.7.1 3.1 9. NNE I..1 5.0 NE, 3. 4.5 ENE 1.0.3 1.3 5.6 L to6 10. 1.1 12.2 5.1I ESE.4 12.9 2.9 16.' 5.5 SE 3.9.6 4.5 5.1 SSE.4 2.7.7 3. 8 5, S 3 1.7.3 2.2 5.0 ssw.i 1,3 1.4 N.Y Sw -3 3.5 3.R 4.7 WSW. 6.2.3 6.7 4.7 I.6 3.9.4 4.9 4.9 WNw 1.7 1.7 4.8 NW,I..3.1 1.4 5.p NNW I 3 3.7 6.0 VARIABVE CALM / 35.7 1l/// TOTALS 3.4 51. 4 4.5 8.1 100.0 3.4 TOTAL NUMBER OF OPSERVATIONS: 714
GLOaAL CLIMATOLOGY B4ANC- PERCENTAGE FREOU74CY OF OCCURNCE OF SURFACE WIND blieltl0n VERSUJS.'14o S 0 rea LISAFEI AC PRO4 HO0URLY OBSERVATIONS AIR..EATH4ER SERVICE/MAC SrTA r104 NUMBER. 722866 STATION NAME: VAN NL'Y0 CA PEpJ0 OF PECORD: 77-R6 MONTH: SEP 49URS(LSTI : ALL I WIND SPEE) IN KN0TS DIRECTION I I -3 4-6 1-10 11-16 11-21 22-?17 8-33 34-40 4 1-4 7 4 8-55 GE 56 TOTAL MEAN (DE GR-E SI I % WIND N.1.4.5.1.I.5 1. NNE I.0.1.1.1.1.3.4 13.3 NE 1 0 3 p.4 E NE. 1.4.1.0.5 S.s E I.1,. 2.2.1 1. 6 6.1I E SE I 1 9. 6.6. ~.0 16. P 6.9S SE I.3,. 6.1 1.1I 10.3?. Ssr 4 G14. 3.8.8.0 43. 7 7.4 5.2 3.q 1.7.05.9 6.~ SSW I. 1..4 93 1.7 5.7 SW I 1.A.2.13.0 2.2 S.4 S W 31 3.6.9.0 4.4. W 2..1 1.20. 6. 6I. I WNW 1...6 2.4 V.? NW 1. 1.6.2.0 1. 1 4. 4 14NW I..1.2.1.0.6. TO TA L 5 ~.4 38.4 25.6 4. 9.4.1190.0 46.4 TOTAL NUMPEP OF 08SEP88 lions: 5419
GLOBAL CLIMATOLOGY 3RANC- PEPCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WIN DIRECTION VERSUS WIN D SPEED USAFLTAC FRO4 HOURLY OBSERVATIONS AIR WEATFER SERVICE/MAC STATION NUMBER: 722886 STATION NAME: VAN NUYS CA PERIOD OF RECORD: 77-96 MONTH: OCT HOURSfLSTI: 0300-0500 o...,...,o...o,,.,.....,...o,,,..,,...o......o.,...o..,..,,.,.,...,,oo.o,**,...,.,,... WIND SPEEi IN KNOTS DIRECTION I -' 4-6 7-10 11-16 17-21 22-77 28-33 34-40 41-47 4F-55 GE 56 TOTAL MEAN (OEGREES I % WINS........ 5... NNE 1.0 1.0 00 NF. *0 S.D ENE E..5 5. ESF.5 2.0 1.0 4.1 6.0 SF 1.0 1.0 5.0 SSE.5.S 7.0 S 1.0 1.0 4S. SSW SW 10 1.0 0.0 WSW.S l.5 4oT US I 1. 1.5 4.7 WNW.0 S.S 2.0 N.M NW 2.0. 2.6 6.6 NNW 1.0 2.0 1.1 1..0 VRAWLE I TOTALS I. 1o.T.. 4.1 1.5 100.0 1........... o..,,...,o.,....,,..,...... o... o,..,.....,... o.,o.. o,.. o......,o TOTAL NUMPEP OF OnSFRVAIIONS: 196.4c_
GLOvAL CLIMAITOLOGY BRANF PERCENTAGE FPEQU-NCY OF OCCURRENCE OF SURFACE WINO DIRECTION VERSUS WIN D SPEED USAFETAC FRO4 HOURLY OBSERVATICN' AIR WEAT-FER SERVICE/MAC STATION NUMPER: 722465 STATION NAIE: VAN NUYS CA PEPIOD OF PECORO: 77-R6 MONTH: OCT HOURSILSI: D6OP-OR0D WIND SPEE) IN KNOTS DIPECTION I 1-1 A-6 7-10 li-i 17-21 22-?7 28-33 34-N0 41-47 NV-OS GE 56 TOTAL MEAN IDEGRESI I WI ND N,,o,.o,o,. oo,.. o,.,,,,,o.,. o,,.,+oo.,......,.... o.9 2.4 1.9.. 1.2.1 o...o........ 66.6,.... I2.3.,., NNE.11..2.1 *; 7.4 NE 4..1 * 5.4 ENE 10 1.0 47 E.1 1.0.1 1.7 4.4 E SE. 1.0 3.1 6.1 SE 1.0.7.1 2.3 6.I 5SE,9.9 4q S 1.3 1.4.1 19 4 1 SSW.S.2.A N.J SW.?.4 1.1. WSW.4 2...1 3.4 4.6 w.1 1.5.4 1 N WNW.1.2 1.3 0R9 N...*4.7.V.4 2.4 11.9 NNW.0 1..4 1.7.4 4.4 lj.0 TOTALS I j.9. 7.q N.b 2.1.1 10.1, 7...,......,...o...o..,,........,,............... o.,..............,..,,.... TOTAL NUMBER OF OPSEPVATIJNS: 215-4 S
GLOBAL CLIMATOLOGT BRANCf PCVCENTAGE FREOUENCY OF OCCURRENCE OF SURFACE WIN DIRECTION VERSUS WIN D SPEED USAFETAC FRO4 HOURLY OBSERVATIONS AIR WEAT6ER SERVICE/MAC STATION NUMBER: 72,886 STATION NAME: VAN NUYS CA PERIOD OF RECORD: 77-8b MONTH' OCT HOURS(LSII: 09JO-1I1C... ;...ND' P...*I *... I OIND SPEE) IN KNOTS DILCTION 1-3 4 -b 7-10 11-lb 17-21 22-?7 28-33 34-4O 41-47 48-S5 GE 56 TOTAL MEAN IDEGRZES) % I WIND.. N....... J... 2... :... 9... :;...6...;... N I.1.9 9.1 1.9.18.6 149.2 NNE.1.1.2.3.1. 15.I NE.5.2 qr S.? ENE.4.3.8 S.6 I.1 9.9.8 5.8 SI FSE.2 9.4 2.0.2 11.8 S.b SE I 5.4 2.3 1 7.7 b.1 SSE,. 2.9 1.9.2 52 6.3 S.2 b.i 1.2,1 7.6.0 SSW 1.2,3 1.S 5.8 SW.2 1.8 1.6 9.5 WSW. 2.3 2.8 V.8 W I. 1.3 9-3 WNW...1.8 5.9 NW I.6 6.7 2.0 10.7 NNW N 1.4 6.A.9 4. 12.7 VARIABLE I IOTALS I 11 7. 13.7 7.3 3.3.? 100.0.7 lotal NUMPER OF OPSERVAIIONS: 930
GLOUAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRrNCE OF SURFACE WIN] DIRECTION VERSUS WIND SPE USAFEIAC FRO4 HOURLY OBSERVATION 5 AIR WFATI-ER SERVICE/MAC STATION NUMBER: 722R6 STATION NAME: VAN NUYS CA PEpIOo OF RECORD: 77-86 MONTH: OCT HOURStLSTI: 1,00-1oo... ;... W I N " SP.. *IN " NO. S... WIND SPEE3 IN KNOTS DIRECTION I 1-3 4-b 7-10 11-16 17-21 22-?7 28-33 34-40 41-47 48-55 GE 5b TOTAL MEAN IDEGRPES) I W 1 D... N..........,...... 2:... Z........................... i... N I 5 17 23 746. ; 14.6... N:f.'.4 1.2.1.1 2.0 11.4 NE.2.2 4.5 ENE.1.2 3 7.7 E. q I.(.1 5.2 6.1 ESE,8 0.6 V.7.9 1.1 7.0 SE.I 7.3 8.4 1.2,1 17.1 7.4 SSE I.4 6.6 1.7 12.11 6.3 S,1 5.5 4.2.9 10.6 7.2 SSW.7 1.:.4.1 1.7 6.4 SW.1 1.5.3 1.9 5.5 WSW.2 1.4.4 2.5 5.3 W.9.2 1.0 5.9 WNW.7,7.3, 7.7 NW.1 1.3.9 2.5 10.1 NNW I.5 1.2.5.2 2.9 IS.1 VVWIAVLE I CALM / / // / // / / / / // / 14 I.1 f///// TOTALS I.9 76.6 34.6 IV. 3 3.2.3 100.0 7.0... TOTAL NUMBER OF OBSERVATIONS: 4 30 Sk-
GLOBAL CLIMATOLOGY BRA1C USAFEIAC AIR WEATHER SERVICE/MAC PERCENTAGE FPEQU-NCY OF OCCURR-NCE OF SURFACE WIND DIRECTION VERSUS WIND SPEED FRO4 HOURLY OBSERVATIONS STATION NUMBER: 722886 STATION NAME: VA NUYS CA PERIOD OF RECORD: 77-86 MONTH: OCT HOURSILSTI: 1500-1100 I WIND SPEE) 14 KNOTS DIRECTION 1-3 4-6 7-10 11-16 17-21 22-77 28-33 3-N0 41-q7 4R-55 GE 56 TOTAL MEAN IOCGRES I I WINO N 2.5 3.3 1.8 6.7 4,5 NNE.2.6. 1 1. 7 11.N NE,I.2.1. 5 3 ENE E,. 1.9 2.2.2 1.4 7.I ESE 6.2 12.4.6 19.2 7.7 SE 5.2 11.2 11. 1 7.[ SSE 3.9 10.1 1.4 I8.R 9.5 S I 1 2.8 4.4.6 A.0 7. SSW.3 1. 4 2.7 6.9 SW 1.2.4 1.6 6.1 WSW 2.8 2.3.1 5.2 7.1 w 1.9 2.3.2 4. 4 7.5 WNW.4 7.5 1.9 N.Y 13.1 NW.4.6 1.0.2.1 _,4 12-5 NNW.1 1.4.4.1 2.0 1s.5 CALM I~iii/f////////I//p///~////j///////////////I// 3.4 1///f/ TOTALS I.. 29. 52.0 12.6 2.6.' IO0.0 4.4 1OTAL NUMPER OF ORSERVATIONS: 930 ---4 -mudi
GLOBAL CLIMATOLOGY BRANCI- USAFETAC AIR WEATIER SERVICE/MAC PERCENTAGE FREQUE'NCY OF OCCURRENCE OF SURFACE WIN) DIRECTION VERSUS WIND SPEED FRO4 HOURLY OBSERVATIOS STATION NUMBER: T2ZBB STATION NAME: VAN NUYS CA PEPICD OF RECORD: 77-Rb MONTH: OCT HOURSILSII: IRQT-2J00...... e 0 NO SPEE) TN KNOTS DIRECTION I 1-3 4-b 7-10 11-16 17-21 22-,7 2-33 34-40 41-47 4-55 GE 56 TOTAL MEAN tde c -ES I I WIND N 1.7 2.0 1.1.0S.3 1. NNE.4.4.9 7.1 NF.3.3 5.: ENE 4.2 6 5.7 c P.A2 1.7 9.9.5 ESE I.S 2.5.1 11.1 5.q SE I 1 3. 1.. 5.7 5.4 SSF..350. N.? 5. S.4 3.2.4.1 4.2 5.2 SSW,2 2 4,.7 SW 3.7 3.9 S.[ D WSW.1 9.9 1.4 11. s.4 * 2 N T 2.M,9 9.8 6. 2 WNW 1,4 1..1.1 3.C 3.q NW.6.9 1.D.2 Z.b JD,5 NNW.6 1.R 1.4.5.1 4.5 11. 5 VARIABLE I TOTALS I 5.2 94.4 18.1 4.0 1.4.1 100.0 5.2 TOTAL NUMBER OF OSERVATIDNS: 930 -.- o
!d GL0AL CLIMATOLOGY BRANCF USAFETAC AIR WEATIER SERWICE/MAC PERCENTAGE FREQUNCY OF OCCURRENCE OF SURFACE J4ID DIRECTION VERSUS WIND SPEED FROM HOURLY OBSERVATT NO STATION NUMBER: 722886 STATION NAME: VAN NUYS CA PERIOD OF RECORD: 77-R6 MONTH: OCT HOURSILSTI: ZIOO-2300. o,.......,.,.,...,..,,...,,,.,,.........,...,,...,,................... WIND SPEED IN KNOTS DIRECTION I-3 4-6 7-10 11-16 17-21 22-37 28-33 34-43 41-7 48-55 GE S6 TOTAL MEAN IDEGR-ESI I I WIND.....2 N....... ['.... ;:.... 11;.... :2..... i...?...2;... N I.1.8.4 1.3 1.2.16.2 11.3 NNE.1.4.1.7 6.0 NE.1.1 1.. 4. ENE 1 2.1 1.3 4.q E b or 1.3 R.T 5.3 LSE 17 1.7 9.4 6.5 SE 2..4.9 5.3 SSE.I I 1. 2.1 4.9 S.5 1.4,1 1. 4.5 SSW 1-8.0 4.3 SW o. 2.6 2.9 4.3 WSW.4 4.6.0 4. w.3 3.8.3.1 4.6 S.j WNW.3 3.C.4 1. 1.9 6.9 NW.4 1.6.9.3 3.1 6.0 NNW p. 1.6.5.5 1,4 I_.7 WARIABLE I CITY I //i/i/// I / ///// /////// / I////////,// /III I /II/I/// I// ///II////// //// 41.3 jll/il TOTALS I 2.M 42.8 P.R 2.4 2.0,1 130.0 '.6,........... o... o..........,..... o...,,......,,.......,......,o,...o....,. o... TOTAL NUMBLP OF OISERVA TI3NS : 763 a 'e 6.
GLOBAL CLIMATOLOGY 3R8NC - PELCENCAGE FREQU'-Cf of OCCURR-NCE OF SUqFACE WINJ UIRECT[O' VFQSJS 4IN0 S'L, USAf LI AC FRO HOURLY OBSERVATT1O 5 1 AIR WE AIPER SERVICE/MAL STAI1ON N9M2CR: 772885 STATION NAME: VAN NUYS CA PRI OD OF RECORD: 77-% MONTH: OCT HOLPS(LSTI : AL I W.]N0 SPEE) IN KNOTS DIRECTION I 1-3 8-6 1-If I-16 11-21 22-?7 28-33 34-4nl 1-4 4--55 d ',b TL T AL IOCbG aes I... ) N ' 7 1. 2.4 1.6.1 NNE.1. *.... 1 1I NE.. 4.1 LSi, 1.10 ISE.1 N. 5 1.2.f.0 I'. -" f S E. C 4A.0.3.0 1. Sr. 4.2 N. 4.0 SE I.1 2.7 3.33 6 'SW.1 1.2.8.4.~1 AS I.1 I.p.1 1 Ws I 3.9.9.. I.1 2.6 1.7.1.' ", NWI 2.,,.'.0 *JA 1. 7.8..2. NNW I.8 1,1 I,.'.1 - TO TALS I TO.? 22.S 6.9 2.S ' - T 1 EAL NIJAL Q OF QPSFRVATIJNS: 559
14UE " ALTnOIyLO. PA1 CF PL C1NTAG[ rplqucncy Or OCCURRANCL OF SUFACE W':1 JTPECTION VERSUS WINj SP D (Af[IAC FRO? HOURLY OSFR VAT I(I AL 14 t ATFE P L PAV IE 'AC TA III N NU L q: 7 AS5 STATION N$AM[: V AN4 NUYS CA 1f ii CF " ECURD: 7IT-R3,34 WeNT:,: 'OV H)L LPSILSII: :)31,0-35??..................................,.o.... o..,..,.,,,....,.,.,.,........o......,................... I iino SPES 14 KNOTS I, c I TIC I - - I L-AIL 11-16 17-21 22-p7 28-33 34-4 L) I-4 7 Lq-S5 5E 56 TOTAL '[UN............................................ o....... o.,o o oo,,.,. o,.oo................,,........................ 6 41 4.01 I I.e.4 7 ',' LA.4 %W " w F I 0L.6. ew'..4 s~. I Ni, I1. 7,0 4. 0. T4.3Ij I 4..................O.F........ TOTAL NUMPL[Q OF OF P V A T I )N:
UNCLASSri HLI
Illijio - 25II
blo3al CLIMATOLIY BRANCI- PERCENTAGE FRL(U:NCy OF OCCURR-NCE OF SURFACE WIND DIRECTION VERSUS WIND SPEED USAFLI AC AIR slatfer SLRAICL/MIAC FRO4 HOURLY OBSERVATIONS STATION NUMBEP: 726.2ob STATION NAME: VAN NuYS CA PERIOD OF RECORD: 77-SB MONTH: NOV HOURS(LST): 3600-0800........................ I WIND SPEE) IN KNOTS DIRECTION I-3 4-b 7-10 11-16 17-21 22-.,? 28-33 34-40 41-47 48-55 GE 56 TOTAL MEAN (OF EURESI I WIND N 14 3.2 2. 7 1.5.1 8.9 1 1. NNF I.1..2.1 10 6.4 NF I. 2.7 6.2 ENE.5.1.6 5.4 L. 1.0.2.1 1.5 5.9 (JE I 1..4.6.1 2.2 6. 1 S.7.7 1.5 6.5 SSL..2.2.9 4.9 S.1 1.2.4 1.7 5.5 SSW.9.2 1.1 5.6 Sw.9 *1 1.0 5.6 ASW I. 1.6.I 1.9 5.5 I.z 1.7.2 2.2.9 WNW..7 1.2 7.3 NW *.6 1.0.4.1 2.2 8.8 NN.1 1.2 2.2 4.6..2 9.4 12.7 CAL- I/i///I #///i/ I I /ii// I t//i///idjd//1///,/i///j.//jj/.......,.,... **..,.....,.,.............o.,....,...,........ 61.7 111/i/......,. TOTALS I i.q 14.9 10.6 8.2 2.9.4 100.0 3.5 TOTAL NUMBER OF ObSERVATI3NS: 835 do--a im ml m l llll m i nl
OLObAL CLIMAIOLOUY BRANC - PE3CENrAGE FREQU-NCY OF OCCURR:NCE JF SU4FACE WIND OIREL7I1N VERSUS WIND SPECS USAFEIAC FRO HOURLYf OBSERVATIONS AIR WEATI-ER SERVICL/MAC STATION NUMHER: 7228Ub STATION NAME: VAN NUYS CA PERIOD OF RECORD: 77-86 MONTH: NOV HOURSILSTI: 3900-1100...NO'S...". N... O... I... I WIND SPEED IN KN0TS DIRECTION 1-3 4-7-10 11-16 11-21 22-27 28-33 34-40 41-47 48-55 GE 56 7OTAL MEAN (D U.R- E S I I WIND N.8.8 3. 9 2. 1.5 12. 1 12.8 NNE.3.3.3.2.2 1.2 10.6 NE,..1, 5.8 ENE,7.7 4.7 1 3 2.9 1.0.2 4.4 5.9 I. SE 5.7 1.89 1 7.7 5.8 SE.I 3.4 1.6 5.1 6.0 SSE.1 2.6.8 3.8 5.8. 2.8.6.3 3.4 5.8 SSW.2,9.3 1.8 5.5 S6.1 2.2.1 2.4 8.6 WSW.1 2.3.3 1 2.9 5.8 w.i 1.8.1.1 2.1 5.0 WNW.1 1.1.3.2 1.8 6.5 NW.9 1.1.9 2.9 9.5 NNW.9 1.6 2. 3 2.1.3 9.2 13.0......... VARIABLE CALM Ij i Jl If j j // j / //j 38.6 111111 TOTALS 1 j.4 29.3 16.9 8.5 4.8.8 100.0 5.2....... o...,... TOTAL NUMhER OF O0JSERE8AIINS: 899
ULObAL CLIMATOLOY BRArjCF PECENTAGE FREQU CY OF OCCURRENCE OF SURFACE WIND DIRECITION VERSUS WIN0 SPEEED USAFE] AC FRO4 HOURLY OBSERVATIO]NS AIR WEAT-ER SERVICF/PAC STAIIO14 NUMBER: 72286 SrAIION NAME: VA NUYS CA PERIOD OF RECORD: 77-9b MONTH: NOV HOURS(LSTI: 1200-1400 I dino SPEE) I 4NOS DIRECTION 1-3 4-fl 7-10 11-lb 17-21 22-77 28-33 34-40 41-47 48-55 GE 56 TOTAL MEAN (UER-ESI I % WIND.................................. '..."..."....... 1...,... 1... 0. N I1 3. 3 5.3 2.4.1 12.6 13.0 NNE.7.1.3. 1.2 9.2 NE.2.2.4.1 1.0 12.1 ENE.3.2.6 5.8 E 4.2 1.2.2 5.7 6.0 ESE 3 6-0 6.2.2.1 12.9 b. SE 1 b. 0 3.0.8 1 10.0 6.8 SSE 4.0 4.1.4.1 8.7 7.4 S.1 4.9 1.7.6 7.2 6.4 SSw 1.0.6 1.6 6.4 SW.1 1.0.9.2 2.2 7.2 WSW.1 2.7.2.3, 3.4 6.6 W 9.8 1.7 6.6 WNW 1.0.3 1.3 6.0 NW.6 1.1.9.3 2.9 1.0 NNW,3 3.6 3.0 1.7.1 8.7 13.I VARIABLE... A.. o...,.... CALM / / i 18.4 lll TOTALS.8 35.1 27.6 12.8 5.1.1.1 100.0 7.0... TOTAL NUMBER OF OBSERVAIINS: 900 0 - - -... -...........-........
GLO AL CLIMATOLOLY 81?AsCt PERCENTAGE FRLQUNCY OF OCCURRENCE OF SURFACE W145 DIRECTION VERSUS WIND SPEED r USAFLTAC FRO4 HOURLY OBSERVATIONS AIl WIATl-ER ERVICE/MAC STATION NUMBER: 7328b6 TA1 ION NAME: VAN NUYS CA PERIOD OF RECORD: T7-Sb MONTH: NOV HOURSILSTI: 1500-1700 WIND SPEE) IN KNOTS DIRECTION I 1-3 9-6 7-10 11-16 17-21 22-2 7 28-33 4-40 4 I-47 N8-55 GE 56 TOTAL MEAN IDC..RAESI % WIND........;...:.... ;.....:... ;..;... N I 1.0 3.7 9. 3 2.4 1 1.9 1 3.0 NNEY.3.6. 1.1 1.1 9.3 NE.4.2.1.8 7.7 ENE, 3.2.6 6. 2 3.6 1. 3.9 6.1 tse b. 6.3 6.13.92 7.0 SE 3.9 6.N.9 11.2 7.6 SSE.1 5.1 6.8.9 13.4 7.9 S.2.,6 3.6.3 Y.7 6.8 SSW. I 1..3.1 1.7 6.3 Sw I.T.7 2.3 6.1 WSW I 7 2.4.2 5.3 7.0 1 1 2.2.9.1 2.3 b.n WNW _7 1.2.3 1.9 9.2 hn.4 1.2 1.0.8 3.9 12.7 NNW.9 9.9 3.9 1.3 11.0 11.7 VARIABLE I CALM I jj/iii///i//iii/ji/ii ii/jjjj/j/i ji i/i iiiii/i//ii/i//iili#//iii I//iI iiiiii ////ii 7.7 il/ll TOTALS I.6 33.6 90.8 12.8 N.7 100.0 7.9 TOTAL NUMBER OF OPSEAVATIONS: 900
(iltjbal CLIMATOLO&8 BRANCV PERCENTAGE FR1.1U.9CY OF OCCURR-NCE Fr SIJRfACE MIND UjI~tCTION VEiRSUS dind SPLED USAFE A C FROl HOU4LY OBSERVATIONS AIR WEATHER SURVICL/MAL STATION NIJMOER: 722886 STATILON NAME: VAN. NUTS CA PEq9I U F RECORD: 7 7-66 MONTH: NOV HOUQS(LSTI: 1800-2300 I hind SPElL) IN AROTS DIRTECTION I 1-3 4-7-10 11-16 17-21 22-? 7 18-3 34-43 4 1-47 48-55 GE 5b To MEAN IJEGP:ESTI % WIND N. ~ 4.1 4. 9 1.8.1.114.7 7. NS NE8.1.9 6.6 NE I 4.4 4.5 L.i 4.4 1.0.1 5.9.6 F. 4. 1.2 5.8 5.R SE I 1 2.6.7. 3 5. SSE1 I 1 2.7.8.1 3.T 5.7 s.1 2.0.42.. sswh 2.0.4 4..3 Sw.2.1.6 2.9 5 WSW I.3 6.7.3 7.1 4.8 I.2 3.4 1.4.1 5. b. WNW 1. b.8 2. 4 f.i NW.2 1.3.4.1.2 2. 6. 7 NNA 1.0 4.6 3.4.9 9.9 11-2... VAWIAALE TOTALS I 2.0 39.3 16.9 9.0 2.9. 1 130.0 5 -...... TOTAL NUMBER OF 0611111A 11511: 9010
(,LVAL (LIMAIL 30 BAA,.h PECENTAGE FR[QU*NCY OF OCCURRENCE Of SU4FV-E dind DIRECTION VERSUS INo 'EE[ USA ITAC FO HOURLY OBSFRVATIONS AIR W[Al-R A[RVICL/MAL STATION NUMPE R : l7.3bb6 SIATION NAME: VAN NUYS CA PERIOD OF REC3RU: 77-A MONTH: NOV HOURS(LSTI: 2100-2300 I dind SPEEO IN ANOTS IPECI~uP I -3 4-6 7-10 11-16 17-21 22-.,? 28-33 34-40 41-47 48-55 SE 56 TOTAL MEAN IO urt[ S) % I WIND......q...e...;...5..... 3.... 5......3".... I.4. e 3. 7 5.7 1.3 1 5.0 135o P.1 N.1.6.2.9 5.6 NI.6.2.6 5.6 f NE 8.9 4.6 L 1.9.8 2.7 5.9 SE.1 2.6 1.0 3.1 5.9 1.0.3.2 1.b 6.9 1Sf 1.,4.1 2.0 5.9, I.T.9.1 1.3 4.5.-.. 7. 8.1 SW.7 1.Cr 1.2 4.3 6,1W.2 -.3 2.6 5.0 w 1.7.1. 7.1 5.0 NW I 1.2.7.1 2.0 6.4 NW 1.5.9..2 3.0 8. NSaNW.6 1. 2 2.2 3. 1 1. 3 8.5 1 1.4 o,,...... o,...,. o.,,,,..,do~,.,,,.,.,......,,......,... RARIAMLE I CALM l ii//i/iii//d/// I/Ii///i/////iIIIIII//i////i 51.0 /// TOTALS I 2.3 22.8.II, 9.8 2.9 123.0 4.I T O..A L....... E.AA..3.,,...N.E.M.....Of.....,,..,............A....N.,.,.. 10O AL NUMBER Of OCISERVA113NS: 8941
GLIbAL CLIMATOLOCY 8RANC PERCENTAGE FRL LJUNCY Of O.CURRNCE IF SURFACE 41NO U IRELIION ERSdS ;IND S? E USAFLIAC FROI HO0URLY D0SF4VATIONS AIR WCATI-ER S[RVICL/MAC STAIION NUMBER: 72286 SrAI ION NAlE : VA1N UYS CA PLPIOU OF RECORO: 77-86 MONTi: NOW HOURSILSI : ALL........,,...,..,.........,...........-............................,... I.OIND 'PEL' IN KNOTS UIRLCITON I 1-3 4-6 7-10 11-16 17-21 22-? 7 28-33 34-40 41-4? 48-55 GE 5b 10 AL MEA IDl EU r-s) I t WIND. 1.9 3. 4.b 2.0.1.0 12.4 12.1 NNF.1.5.2.... 1.1 4.3 NE.4.2.1.0.7 1.6 [NE.9.6.1.7,.1 L.1 3.0.9.1 4.2 5.9 5c.1 4.4 2.9.2.0 7.5 6.5 SE.1 2.9 2.1.3.0 5.A 6.8 SS[. 2.8 2.2.3.0 5.3 6.9 S.2 2.5 1.1.2 3.9 6.2 SSW.1 1.1.3.0 1.5 5.1 SW.1 1.5.4 1 2.0 5.6 WSW,. 3.0.6.1.0 3.9 5.7.1 1.8.6.1 2.6 5.7 WNW.0 1.0.7.1 1.8 7.0 N W, 9 1.0.6.3 2.8 9.8 NNW *l.9 3.5 3.4 1.4.1.0 9.4 12.1 VARIABLE O... TOTALS I. 24.,0 20.5 10.$ 3.6.2.0 100.0 5.5 TOfAC NUMPER OC 01,E88RA 11385: 5423
GLO.AL CLIMA7OLOLY HAN,.- PE4CENTAGE FPLQU74LY AF 0CCURR7NCE OF SURFACE WIND Ulk[LIb4 ACASUS.IND SPEEDpow USAFEl AC FRO4 HOURLY 09S4VA73831N; AIR E.ATF-Ek SEH81CL/MAC STA TIO NUMPER: 722866 STATION NAME; VAN NUYS CA PERIODJ OF RECORD: 77-80 m0434 :0DC HOURS h.st I: 3 360-0500 I WAIND SFE1ITN A140TS DIkIFCTION I 1-5 4 -o 1-10 11I-lIb 17-2 1 2. -, 7 " 8-33 34-43 4 1-4 7 48B-55 GE 5b TOT1A L MEAN OE UR-ES I I WIND N 4.8 6.S5 2.4 1 3.7 1 3. NC ENE 1 8. 7.0 fsf.8.3 *H 2.4 8. 0 SE I.6 1.6 4.5 S.8.8 5.0 SSW WSW.8.8 1.6 3.5 I..8 4.0 WNW 1.6 1.6 5.0 NW.8.8 1.6 3. 2 10.8 N NJ 1.6 3.2 2. 4 7.3 9.4 TOTALS I.8 8.4 10.5 11.3 2.4 130.0 3.4 TOTAL NUMBER OF OHSLARATIONS: 124
GLObAL CLIPATOLOLY bka N~ USAFET AC AIR [LATF-LR SERVICE/MAC PECEN1AGE FPL U UNCT Or OCCURR:NCL JF SU4FACE WIND jlkicion VERSuS 41 NO SPEED-- FRO4 HOURLY OOSFRVATION STATION NUMS-LP: 12466 diaiion NAME: VAN NUYS CA PLRIOD OF RECORO: 77-j6 MONTH: DEC HOURS(LST : b&o-oaoo..,...................................................,...............................,..,.................,.,.,.... I,jIND SPEEJ IN ANOTS UIRLCIION I 1- A-b 7-j0 11-16 17-21 22-T 7 26-33 34-43 41-47 4b-55 GC 56 TOTAL MEAN (foe OIf SI I I WIND N... 5 3. 4 4..... 1 ;2. 4.. ",inf.2.1. 8 0.0 NF.4.5 4.8 ENE,1.2.4 7. L.1.0.2 1.3 5.6 E I[ 1.2.2.1 1.6 b.4 SE.9.4 S.j SC I.S.5.6 4.6 S.9.2 1.1 4.? 5. I.1.1.2 8.0 SW WSW.1 1.5,l.1 1. 5.7 W 1.6,1 1.7 8.9 WNW 1.2 1.0,2 2.4 6.8 Nw I I.' I.3 1.2.1 4.0 9. 3 NNW.1 1.0 2.7 2.4 1.5.1 7.8 12.8 VARIABLE I TOIALS.6 13.8 9.7 8.9 3.3.2 100.0 3.4 T OTAL............. lins.,. 2..or......,.....,.,..........E..AA.8..2... TOTAL NUMBER OF UPS kv AT110NS: 822
i6 LOIAL CLIMAOLJ(Y d4 A,CH PERENTAGE FRLQUU: NC OF OCCURRINCS EF SUJFAZE WJND UIR[TIO'. VL4SJS WIN, >LD USAFETAC FRO4 HOURLY D3St-RVATIONS AIR WEATHER SCRVICE/PAC STATION NUMCH[: 1-'22c IAIIO. NAME: VA4 NUYS CA PERIOD OF PECORD: I7-d "INI: DEC HOLRS(LSI : 349)-Il S....... oo o.o..............,,...............................................,....................... 1 d IND SPEC] IN K-40TS DIRECTIUN I 1-3 4-7-10 11-16 17-21 22-7 2F-3 34-43.1-41 44-5 CE 56 IeTAL MEAN IOL u: E I % w1no N...... 4.6. 2. 4. 3............A... NNE I.8 " 1.7.8 NE I 2.1. L.D f ne,4.2.6 S.I L 1 1.1.4 a 2 b 4 SF I.2 1.5.2 4.' 4 SE 2.2.9.4 7.4 7 0 SSF I.1..3 I.? 5.4 S,2 1.6.1 7.9 4.4 sw I 1. 1.7 4.8 SW,..6.1 I.2 S2 WSW.1 2.4.2 2.7. C - I, 2.4.4 3.4 AWNW 172.4 1.6 5.4 Nw 1. I.7 1.1.2.1 3. I1.8.NNW.4 3.3 4.5.8 9. -1 R ARIABRE TOT ALS JI 2 2 14.8 11.9 3.3.4 139.3 4.8 TOT AL NUMR[P OF OSW[VA 110%S 93O
6LO;3AL CLI M ATOLJGI nanckv P'RCCNTAG[ FPEQUONCy OF OC CURR'ENC Of SU'lFACE ;IND I ktction VERSUS IND SP; EL, USAFEIAC FRO4 14O0UR LY 03 SF 9V AT 10NS AIR blatfer StRICL/MAC STATION NUP-r?: '2z SF AIIOf. NAME; VAN NUYS PE'QIO OF RECORD: 77-8b MONTH: DEC HOLRS(LSTI : 1200-1409 I.3N0 SPEE) IN ANOTS bihection I - 4-, I-I0 Il-lb 17-21 22-,7 28-33 34-40 41-47 46-55 E Sb TCTAL MEAN 106SR E5 j I wino........ *...................................... o..,.....,........o................................. N.l 1. T 3.4 5.8 O.6.5 14.2 I3.3 N I..4.2.2.1 1 vi r.e.-.2 1 5.7 NE..b.2 3.1 5 7 LA I.2,. 2.2.I.1 Hi.O 6.1 St I. 4.' J 3.2.1,1 H.? sob.1 4S 31...6 S. 3.4 1.4 5.2 5.8 s I..4.2 o3 0.4 0- I -1 3.2,1 1.4.0 ba II.2 13.2 5.,2 w 1.1.2.3 1.4 5.3 ANs F 1.1.2.1 3.4 t. NW I. 2.0 0. 1 7 1 N I -1 7. 0 1.4.? 33.4 J?.,................................,..............................,....................... *.......... AINIARLEI 01ALS l :9.4.. 21.3 14.4 4.5 1.I 122.0 3..................T.A.L.... I......TA,................................. T'OTAL NUMVLQ Ok 0 " StR V A T I INS 930
ot 10 AL CL KAI fit,,ntag::, NFI 2 FRL CvU ; OF OCCURW fhcc OF SJ4F AE 1 N J U 1 1 f IU N JF90 k".ij 'v, A IR. i A I k w 0,L k [V I M IAI10P No';": I A. I IN NA E; y AN NU.U A PLOOL q i COr P : 77-Su mon T,: DEC H3UP LSTI T I : 1 0-57 in'. I -12 I 11- I, 17-217 72-'? 2q- 3 4-4C 41-7 b-5 be s 6 TOTAL FA % I4. 4.1 2 1.4 3. 129 96.' u., 7... 4 9 Ib... 46.2.7..9 2. ;,' ].. 9.9 6.4 1 4. [ 6 f,. 5 * I,. 7.. <.7 72. '.7 2* 0.9.'7 *,,. S,.-+," I.. i 1 4 2.7.4 6.57 7. 1... 7.2. t *T " 7. 7......................,...2............. 4.3............... 2.0... 7.9 I 1 L f1,.7k A,.* '., 0. 7.7 ST-.itJ 3-- T.....492
GLOAL CLIMATOLOLY 3NONC PEC3ENTAGE FREQUENCy OF OCCUR8NCL JF SJRFAC 41'43 UIRECTION V[RSS.11, U [U USAFETAC FROI HOURLY OSF3AVTIOVS r AIR WEAT-.ER SLVTN I /MAC STATION NUMBE9: 7?2Abb STAIION NAME. VAN NUYS CA PL4IOC OF RECORD: 77-8 MONTH: DEC HOCASILSTI: 18uO-2)00.......... o....oo o. o o, o.,o ooooooooo oo.. o..... o... o........... WIND SPEC) TN enots.irlct11n I I-3 4-6 7-iC TI-lb 17-21 22-:.7 29-33 34-40 41-47 48-55 b IC ITAL MEAN I. I1 ; N.2 9 6.6 5. 3 1.8.I "T.? I A NNI 2.3. 11.8 1 3.6 [Nf 1.0.1,I1 I.2 3.1 1.2.1. 5.9 SF E l.e 6 2.6.9 SSI I..3.1 1.1. S 17 9.2.l 2. 4 S.1 S.I '. I 1.T 50. 1.3. I.' 6.0 W S. I..9.3.2 4.6 5. 2.6.83. S.9 WNW 1.? 2.8.1.1 2.3 7.0 Nw I. 2 1.4 1..1. 41. 10.1 NNW 1.9 5.8 5. 7 1.2. 14.9 11.5 I TOTALS I 2.1 2H., 18.7 13.1 3.5.5 100.0 5.8 TOTAL NUMBER OF UOiSERVAIJONS: 930
ULUoIAL CLTMATGLOSyI A' 1- PL9nLf TAGL FPEJU-C.y OF OL(CuR I N.L,iF Sull A Ct.1 4J It!LT IN V (4 SS %1N t E, USAF 1 AC FR604 -URLY 0$ H SFRVAT T ' AIR UAIHF R RVICL /MAC STATION NUMPLP: 72ZAA5 STATION NAIE; VAN NuYS CA P E;b? OF RL(ORb: 7 -u0 MINIH: DtC OuVA StI: 21fl-200 I INJ -PEll] 14 KNOTS O1RLCTION 1-3 - 1I II-b 1-21 22-?7 2a- 1 4-, 4 1-41 b-ss LE t, I IAL MLAN ICE (j- f SI I I kino.... NE I12 4...1. 51 4. N.. E 1..6,. T.. N'-., F,.l 1.0.2 1. 51 oi -9.T I.! tc.? SW C 23. 1T. W WI.6. 1.o 4.5 -. I 6.2 G,7..w 1.6 5. SN..' i..8.1,1 T.0 t.t V R1 I. A91 N. A j i T.? I T..8 I I I $ ir 1I.S Tf5 TO TALS.U T.4 1 11. 6 T.4.5.1 3. r n 4.6 TOTAL 41186660f 0 1 k VA IIN %S: 92 % aar* dl-
GLOdAL CLIMAIOLO UY,k A'ILk USAFETAC AIR WEATHER SURVLCL/MA( PE0E NTAGE FRLOU-'NCY OF OCCURRENCE OF SU4FACE WIND UIRELTION VERSUS WIND SPEEJ FROI HOU.ALY ORSURVATIONS STATION NUMHLR: 72866 S IATION NAME: VA N NUYS CA PCRIDO OF RECORD: 77-86 MONTH: DEC HOURS(LSTI: ALL. o.o... o.oo.........o,...... ~...oo,,.... o, oo,.o o...,....,..,....o.. oo..,........... I WIND SPEE2 IN KNOTS JIIELC7ION I 1-5 4-6 7-10 11-16 17-21 22-,7 28-33 34-4O 41-47 48-55 GE 56 TOTAL MEAN I DE 0P- 1S ) I S IN0 N.1 2.1 4.5 5.2 2.3,3 14.5 12.' N4.NE.4.2.1.2.1 1.0 10.6 NE.4..1.6 5.6 ENE.0.s.2.7 5.8 L.1.6.1 3.1 5.8 1[t 1 7.7 1.6.1.0 5.5 6. 3 SE.1 2.8 1.6 1.0 4.6 6.6 SSE.1 2. 1.2,1.3 3.6 6.5 S I.P.7.1.0 2.8 5.8 w I 1.7.,9 5.0 S. 1 9.1.0 1.1 5.1 WS. W 2.2.3.1 2.6 5.4. 1.8.4.0 2.3 5.6 W W.4 l 1.2.7.1.0 2.1 6.8 NW.3.9 1.6 1. 1 2.3 3.9 10.2 NSW 14 4.4 4. 9 1.2.1.0 12.0 11.8 VARIABLE...... I CALM 38.8 1///// TOIALS I 1.2 25.2 18.2 12.1 4.0.5.0 1O0O 5.5... TOTAL 4046143 OF 0'ISEAVA lions: 5590
GLOdAL CLIMATOLOLY BRANCI- USAFETAC AIR WEATHER SERVICE/MAC PERCENTAGE FREUeNCY OF OCCURRENCE UF SJRFACE.IN) DIRECTION VERSJS WIND SPEED FRO4 HOURLY OBSERVATIONS STAIION NUMBER: 72',b6 STA1ION NAME. VAN NUYS CA PERIOD OF RECORD: 77-87 MONTH: ALL HOURSILSTI: ALL...,,,,,,,..,.....,,..,,,...,,,.,,..,...,,,,o,.,..,.,..,,,o,,...,..o......,...,...,,.,...o.,, WIND SPEE3 TV KNOTS OIRLCTION I I -3 4-b 7-10 I-lb 17-21 22-?7 28-3-3 34-40 41-N1 48-55 GE 5b TOTAL MEAN IDEGREESI I WIND N... ;....... 3;.. 9 ;.... 2'.9. 1:..1~.... 1;........................ 1*.. 3;'... NNE.0.3.2.1.1.3.7 9.7 NE I.).3.1.U.0.S b.9 ENE.3.5.1.0.0.b 5.4.,1 4.6 2.1.2.0 7.0 6.2 ESE 1 1.2 6.2.8.0 1 4.9 7.I SE. 9.0 N, 1.0.0 9.8 1.7 SSE.1 3.1 3.4.A.0.3 7.9 7.6 2 3.2 1.8,3.0 5.5 b.6 SSW I.0.3.0.0 1.5 b.o SW. 1.5.3.1.0 2.0 5.6 WSW.I 2.9.9.1.0 9.0 6.0. I 1.8 1.0.2.0 3.1 b.5 unw.0.8.9.3.0 2.0 8.1 NW.0 s4.9.6.2.3 2.2 10.2 NNW.0.5 1.6 1.9.7.3.O.0 9.8 12.2 RARIABLE CALM //////////ij////// //I ////////////j////jj/j //////i 27.////j/// 23.9 /// TOTALS 1.1 33.1 26.7 8.A 2.2.2.0.0 100.0 5.7 IOTAL NUMBER OF OBSERVAT13NS 6bO9 L.............. _-_. _...
LLUBjAL CLIMATOCLG~y HRAN9CI- PEqCENTAGE FPEIUJENCV OF OCCURR-NCLOF SURFACE 1NU DIRECTION VERlSUS winu 5PEEV in AIR.1A1f-ER l6hvilltiral S TA riof NUMfPEP : 7228bb STATION NAME: VAN NUYS AV PLRLOO Of RECORD. 77-6 1 MONTH: ALL H0LRS(LSf3: ALL C71LINGS 2)[1 10 1430 FEET %IT-4 9156LULTIES 112 -ILE OR MORE AND /OR CEILINGS 2,o FELT 0R MORE WI7I- Vl'IILIIAIS 1/, 10 2-112 MILLS I WIND SPFt) IN KNOTS DIRECIOEN I-3 9-b 7-1 1 11-16 17-21 "2? 7 2m-32 34-500 07 4-5 NO5- GE 5b TOTAL MEAN LIE0.R- CS I x W IND NNE I.4.0 * NI.01.. F NE I p. 01.. L.2 5. 2.3. 1 9.6 b. [EI.1 11.1 6. 7 33 19.2 6.9 SE s b.04..9.1 1.4 7.0.2 6S - 2.1..2. 9.2 6.6 I 2 *~0 I3..i6.9 6. SS 0.9.2. 2 5.6 5 I..7..0 1. S. WSW.1 1.1.2.1 1.0 5.4 A 1 6.2.0.9 5.4 Nil 5 2 0... NW '177..0.0.0.2 7.0 VARIAME TO TALS. 401. 17.0 1..A.7 1320. 0 4.2 TOTAL N:IMVLIP Of Ob653 VA 13715: 09,04
paaaapflaaaa R RRRIRRRPR ryttit I IIT ['bodddo ~p AP A AA RR AR T TJL, 00 'p PPPPppp 4 A R.RR PPPrPPF' RRR R R I 1 1) 00 A AAAAAAAA A RkkR R RA R T I -u 00 IV,P A AAAAAAA AA Ri R R TR bu 00 A A A A R R R V 00 PA D 00 A AA RA R TV A- A4 [JLOO..J00 A A kr R R 1T OUD000000
SCE ILING VERSUS VIG IBILITY AND SAY CORER SUMMARIES CEILING VIASES VISIPILITY SLMMARY THIS SUMMARY IS A 8 IA A R IATE FREQUENCY DISTR TAUTION BY CLA SSE s OF CE IL ING FROP "0" TI-ROUGH EQLAL TO 0A GREATER THA. 2 L roo FEET AND AS A SEPARATE CLASS "NO CEILING". VERSUS VISIBILITY IN lb CLASSES FROM LEAC THkOlGH EUUAL TO OR GREATER THAN 10 MILES. T}ATA bfrivld FRO HOURLY OBSERVATIONS. FRQLONCY EISTRI"LTIGN PRESENIED BY THE STANDARD 3-HOUR TIME GROUPS BY MONTH, MUNTHLY AND ANNUALLY (ALL YEAAW CUMAINED). NOTES: bfgifgning 1% 1968 METAR SIATIONS REPORTED VISIBILITIES 10 6 MILE' AND GRLATER THAN. MILES. I)-LREFORL THE LOLUMN FOR VISIBILITIES EQUAL TO OR GREATER THAN 10 MILLS APPLAR BLANK. A S A LLE, AIRWAY S STATIUNS NORMALLY REPORT AISIBILTIL TO G MILES AND 7 UR GREATER. HOWEVER 5OML STATIInI REPORT HIGHER VALUES. THEREFORE, THE ID MILE AISIBILITY COLUMN SOMETIMES CONTAIN SMALL PEhCENTAGL VALUES. HOWEVER, THESE VALUES ARE OF LITTLE MEANING AND SHOULD BE UISRLGARDED. FUP MEIAN CIVILIAf STATIUNS REPORTING "CAVOK". ALL CEILINGS ARORL SLUT FLT WERE SUPPESSLD 10 5UlU FTE 1. TI FREFORE, NO PERCENT VALLES APPEAR A OVE 50O0 FEE. SAY COvF SUMMAPY PRESFjIS PFRCINTAGES OF SKY CUVER IN EITHER 1 0 THS OF COVERAGE OR "AIRWAYS CLASSIFICATIONS". OATA SUMMARIZED) JT TFL STANUARD 3-F-OUR TIME GROUPS BY MONTH, MONTHLY ANU ANNUALLY (ALL YEARS COMBIPEDI. ALSO PRESENTED A 6L MEAK SKY COVERS. FUR AIR.AY STATI ONS, TIE CONVERSION FROM IRE AIRWAYS DESIGNATIONS TO ITTS FOR PRESENTATION ARE: LLLAV(./ to SCA T It s, R 31 to brualn -/ID UVERCAST - I/ 10 OHSLLRLU lu/i0
GLOBAL CLIMAOLOGl dranc- USAFETAC AIR WEATHER SERVICE/MAC PERCENTAGE FRCQUENCY OF OCCURRENCE OF CEILING VFRSLS VISIBILITY FROM I-OU4LY OdSERWATIONS STATION NUMBER: 12Z36b STATION NAME: VA9 NUTS CA PERIOD OF RECORD: 78-aI MONF: JAN HOURS(LSTI: 3300-0500 CEILING ISI1LIrT IN SAiUTE MILES IN I 6E GE 5E GE GE G- GE G0 GE SE GL GE GE GE GE GE FELT I f, 6 5 4 211 2 2 1 112 11 I4 1 3/4 51b 112 516 1/4 0..,.............. o*.... ***.....,*.............. *.......o*.. ***......... NO CEIL ' 8b.? U.8 52.4 52.4 54.J 54.0 54.0 59.0 59.0 54.0 54.0 5.0 54.0 54.0 54.0 54.0 GE 20000 50.R 56.5 55.1 58.1 59.7 59.7 59.7 59.7 59.7 59.7 59.7 59.7 59.7 59.7 59.7 59.7 GF 180 00 1 0*.P 5 s5.i 58.1 59.7 59.7 59.7 59.7 59.7 59.7 59.7 59.7 59.7 59.7 59.7 59.7 GE IbOUO 50.A 5b.5 5.b 1 58. 1 59.7 59.7 59.7 59.7 59.7 59.7 59.7 59.7 59.7 59.1 59.7 59.7 GE 14 0ol 53.2 5.9 62.1 62.1 63.7 63.7 63.7 63.7 b.7 63.7 6T.7 63.7 63.7 63.7 63.7 63.7 GE 12C00I 53.2 58.9 62.1 62.1 63.7 63.7 63.7 63.7 b3.7 E3.7 63.7 63.7 63.7 63.7 63.7 b 3.7 GE LIUOLO 53.? 5o-y b.9 62.? 64.5 64.5 64.5 64.5 64.5 64.5 54.5 69.5 64.5 64.5 69.5 64.5 GE 9'030 53.2 SA.9 62.9 62.9 69.5 69.5 64.5 64.S 69.5 64.5 64.5 64.5 64.5 64.5 64.5 64.5 GE d100 I 5.0 59.7 63.1 63.7 65.3 65.3 65.3 65.3 65.3 65.3 65.3 65.3 65.1 65.3 65.3 65.3 GE 7'GO 54. 61.3 b.! 65.3 66.9 66.9 66.9 66.9 6.9 66.9 66.9 66.9 66.9 66.9 b6.9 b6.9 GE bs62, 54.8 t1.3 b5.3 65. 66.9 66.9 66.9 66.9 66.9 66.9 b 66.96.9 6 66.9 b.9 66.9 66.9 GE 5O0 '6.5 63.7 t7.7 67.7 70.2 70.2 70.2 70.2 7g.2 70.2 73.2 70.2 70.2 70.2 70.2 70.2 ie 400 57.3 f5.3 69.4 69.4 71.8 71.8 71.8 71.8 71.8 71.8 71.8 71.8 71.8 71.8 71.8 71.8 LL 4000 57.3 60.3 b.4 69.9 71.8 71.8 71.8 71.8 11.8 71.8 71.8 71.8 71.8 71.8 71.8 71.8 GE 35L3 57.3 65.3 73.2 70.2 72.6 72.6 72.6 72.6 72.6 72.6 7,.6 72.b 72.6 72.6 72.6 7Z.6 bg Oufli -.9.9 13.2 15.8 76.6 79.C 79.a 79.0 79.0 79.0 79.0 79.0 79.0 79.0 79.3 79.0 79.0 GE 2L; I 5.9 70.2 75.8 76.6 79.3 79.3 a 9.0 79.0 39.0 79.0 71.0 19.0 7. 7. 9.0 79.0 GE 200n1 59.7 TI. C 76.6 77.9 80.6 80.6 80.6 80.6 80.6 93.6 81.1 80.6 80.6 80.6 80.6 8R.b 6E 10 : 59.1 71.d 77.4 78.2 81.5 81.5 81.5 81.5 81.5 81.5 81.5.5 01.5 81.5 81.5 81.5 GE 15 0] 60.S 73.4 li. 8c.6 83.9 83.9 83.9 83.9 83.9 93.9 83.9 83.9 83.9 83..3.9 33.9 GE 12 1 t, J.5 74. d1.5 83.1 86.3 86. 3 86.3 86.3 86.3 86.3 86.7 86.3 86.3 86.7 86.3 b6.3 GE 1E01 60.5 75.8 83.9 85.5 88.7 88.7 88.7 88.7 88.7 88.7 589.7 88. 7 89.7 98.7 08.7 66.7 CE 900I t0.5 75.8 69.7 86.3 89.5 89.5 89.5 89.5 89.5 89.5 69.5 89.5 89.5 99.5 99.5 89.5 E 800 (,C. 70.8 b5.5 87.1 90.3 90.3 90.3 90.3 90.3 90.3 90.3 90.3 93.3 90.3 90.3 90.3 GE 7 U1 60.5 76.L d7.9 90.3 93.5 93.5 93.5 93.5 93.5 93.5 93.5 93.5 93.5 93.5 9.5 91.5 GE 600 60.5 76.6 87.9 93. 99.9 94.4 95.2 95.2 5 95.2 95.2 95.2 95.7 95.2 9 95.2 (E!j0 60.5 76.6 87.9 90.3 99.9 94.4 96.0 96.0 96.0 96.0 96.0 96.0 96.0 96.0 96.0 96.0 GE 4: 1 60.' 76.6 b7.9 90.3 94.9 99.4 96.0 96.0 96.0 96.0 96.0 96.0 96.0 96.3 96.0 96.0 be 3031 bu.5 7b.b d7.9 91.1 95.2 95.2 96.8 96.8 96.8 96.8 96.8 96.8 96.8 96.8 96.8 96.8 GE 2001 LE.5 76.6 87.9 91.1 95.2 95.2 96.8 96.8 96.8 97.6 97.6 97.6 97.6 97.b 97.6 97.6 GE IUI C 10.5 '6.b 67.4 91.1 95.2 95. 2 96.8 96.9 96.8 97.b 97.6 97.6 98.4 98.9 99.2 99.2 04f 01 60.' 76.6 07.9 91.0 95.2 95. 96.8 96.8 96.8 '47.6 97.6 97.6 98.9 98.9 99.2 1l.0 IOTAL NUMfiER OF OSERVAIIONS: 127
40 6LOBAL CLIMATOLOGY 9RANCF USAF CTAC AIR weather GERVICE/MAC PERCENTAGE FR:QUENCY OF OCCJRQEtJCE OF CEILING VERSLS visibility FROM HOU:LY OBSERVATIONS STATION NUMBLY: 7R28AS STATION NAME: VAN NUYS CA PERIOD OF RECORD: 78-87 MONTH; JAN HOURSILSTI. 0600-085n CIIGVISIBILIT Y I N STATUTE MILES IN GE GE 5E GE GE Gz GE GE GEL GE GE GE GE GE GL GE FEET IF 6 5 9 3 2 112 2 1 112 1 11/N 1 1/ 5/8 1/2 5/ 1 1/9 0... o......,... NO CEIL I 53.5 '.. 55.9 57.4 58.1 5b. 1 58.2 58.3 58.3 58.3 58.3 58.3 58.3 58.3 58.3 58.7 GE 20000 SS.c 7.6 51.9 59.9 60.1 60.1 b0.2 60.4 60.9 50.5 60.5 60.5 60.5 60.5 60.8 GE 18001 55.0 57.6 58.9 59.4 60.1 60.1 60.2 60.9 60.9 60.S 60.5 60.5 63.5 60.5 60.5 60.8 GE 16o001 55.0 s7.6 53.9 59.4 60.1 60.1 60.2 60.4 60.9 60.5 60.5 60.5 60.5 60.5 60.5 6U.8 GE 14.01 57.7 f-3.7 67.2 62.9 69.0 64.0 64.1 64.2 64.2 64.3 64.3 64.3 64.3 64.3 69.3 b4.7 GE 12L'01 58.' 1.6 L3. 63.7 64.8 64. 64.9 65.0 65.0 65.1 61.1 65.1 65.1 65.1 65.1 65.5 GE 10001 61.9 64.1 65.2 66.9 68.D 68.0 68.1 68.3 68.3 68.9 4 bf8.4 68.9 68.9 68.4 68.9 6h.7 GE 900 61.9 69.1 65.7 66.9 68.0 68.0 68.1 68.3 68.3 68.4 68.9 68.9 68.9 68.4 68.4 66.7 ie 8 0 (0 6?.6 bb.u 6T.7 68.6 69.7 69.7 69.8 69.9 69.9 70.1 79.1 70.1 70.1 70.1 70.1 7U.4 6E 10 LT 0 1.0 c EG. t.d:j 69.1 7 0., 70.2 70.0 70.5 70.5 70.7 70.8 70.8 70.8 70.8 70.8 71.1 GE 60001 63.5 66.b 6.5 69.6 70.7 70.7 70.8 71.0 71.0 71.1 71.3 71.3 71.3 71.3 71.3 71.6 GE 5000 64.9 by.1 71.8 72.3 73.2 73.2 73.3 73.5 73.5 73.7 73.8 73.8 73.8 73.8 73.8 74.1 6E 45(OI 65.3 73.I 71.9 73.2 74.5 74.5 79.6 74.9 74.9 75.0 75.1 75.1 75.1 75.1 75.1 75.9 GE 1 2u1:) 65.9 73.8 7?.6 79.3 75.3 75.3 75.9 75.7 75.7 75.8 75.9 75.9 75.9 75.9 75.9 76.3 GE 35uC 1 66.1 T1.7 73.5 75.3 76.6 7b.6 76.8 77.0 77.0 77.1 77.2 77.2 77.2 37.2 77.2 77.6 GE logo1 67.9 73.7 75.4 77.3 79.0 79.2 79.3 79.6 79.6 79.6 70.9 79.9 79.9 79.9 79.9 80.2 GE 25StG1 6.5 74.6 75.9 78.7 80.8 81.0 81.1 81.9 81.9 81.6 81.7 61.7 81.7 8i.7 81.7 82.0 GE 20001 64.0 16.2 13.9 80.7 83.2 d3.4 83.6 89.2 69.2 89.' 89.6 89.6 84.6 89.b 89.6 84.9 ul 18:0) I9.0 76.5 7B.2 81.1 83.6 83.7 84.0 89.6 89.6 89.8 89.9 89.9 89.9 84.9 o.9 85.3 be 1500) 69. 77.6 bi.? 82.8 85.7 86.0 86.2 86.9 86.9 87.2 87.3 87.3 87.0 87.3 87.3 87.? GF 127) 69.6 79.6 81.9 89.0 86.9 87.2 87.9 88.4 88.4 88.6 88.7 88.7 88.7 88.? 88.7 89.1 GE IrUOl 69.6 76.7 87.3 84.7 87.9 88.1 88.9 89.3 89.3 89.6 89.7 89.7 89.7 89.7 d9.7 90.1 GE 900)1 69.6 78. 7 d7.2 84.8 86.0 88.3 88.6 89.6 89.6 89.6 89.9 89.9 89.9 89.9 89.9 90.3 GE 800) 69.6 79.0.2.b 85.9 89.1 89.3 89.9 91.0 91.0 91.9 91.5 91.5 91.5 91.5 91.5 91.9 SE 7001 69.6 79.0 83.0 85.7 89.5 89.7 90.8 92.1 82.1 92.b 97.D 92.7 92.7 9Z.? 92.7 93.1 oe b60o 69.6 19.0 b1.1 85.9 89.8 90.2 91.6 92.9 92.9 93.k 9'.5 93.5 93.5 93.5 93.5 93.9 GE SCO1 69.6 79.2 33.2 86.1 90.4 90.8 92.7 99.0 99.1 99.7 95.0 95.0 95.0 95.0 95.0 95.3 GE 4 L9t 69.6 79.2 b3.2 86.1 90.7 v1.0 93.4 95.1 95.2 95.9 96.2 96.2 96.3 96.3 96.3 9b.6 UA 601 69.6 79.2 83.9 86.2 90.b 91.3 99.0 95.9 96.0 97.0 97.2 97.2 97.9 97.9 97.9 97.7 GE 2U01 69.6 79.2 b3.4 86.2 90.9 91.9 99.1 96.0 96.2 97.2 97.5 97.5 97.6 97.6 97.7 98.1 of 100 1 69.1 79., 63.9 86.2 90.9 91. 9 99.1 96.2 96.3 91.4 97.6 97.6 98.2 98.2 98.7 99.2 GE TI 69.6 79.2 61.9 86.2 90.9 91. 4 94.1 96.2 96.3 9..4 97.6 97.6 98.2 98.2 98.9 130.0...,,...,...*...,.....,.,...,.,,...,,...,,...,,....,...,,....,,,......,...,.,.-....,..... TOTAL NUMBER OF OSE8VATIONS: 835
61-00A C L I M6II(OL, N4 6N~ P I'", NtI4,1W..14( i 04ID J LCII.0[t4LI OF C(FILL IN Y', V55C vis18i ~T Y usaf El AC F0$ HOM-004 OVStRPA I IJNs AI deat h/ S VI(L/MAL STATION NUL'ML,: /2,.rATION NAME; VAN Nuyt -A Pt'8100 OF RECOPn: 79-67 ONTh: JAN HOURVS(LST: jj00-1103 CEILIA( 6G..,..,...,........ 811 SA M ~ 1 II N STAtU N [.............,.....,.............. IN I Gt ul SI V C1 t tt GL I St L G E GL E t, Gf FEET I IR s 4, I't 1 111/ 2 I 1 /4 I 3/ 4 4/ Il, 1 S2/1t 1/4 u......................................... NO CEIL S].6 '0.4 5'2 5.] 55.'., 4-.0 56. I.1 b. 56.1 56.1 56.2 w6.2 S.2 56.2 GE 2511001 03.o 53.4 56.6 $7.1 to.: 60.2 p1.3 61.2 1.2 61.3 61.3 61.3 61.4 61.4 61.4 Cl. GE 183001 U 3.O 56.9 7.7 '59. 603.2 60.2 b.0 61.2 bl.2 61.3 61.3 61.3 61.4 61.4 b1.4 61.4 f Ib!) U 53.9 'b.9,7.7 S. 60.2 bu.2 b1.0 61.2 61.2 61.3 61.3 61.3 61.4 61.4 61.4 61.4 GE 4 O'l7 5 2.3. 0.5 6$.?5 66. EL.8 615 611 67.1 67.8 67.8 67.8 68.0 68.0 68.0 68.0 G6E 12CJ 59.6 64. 1, 6S.3 61.2 68. bb.8 b9.b 6.8 b4.8 69.9 69.9 64.9 70.0 10.3 710.0 700 Ut IGL?0 f2.' L.I oib4 73'. 11.9 71.9 12.7 13.0 73.0 131 73.2 73.2 7. 73,. 713 73.3 UE 9-O1J 62.5 61.1 o. J 73.3 71 12 73. 13.0 73.1 73.2 72 73.3 73.3 73.3 73.3 GE 800 n 27 b. 9..b 7.3 12.3 17.0 13.3 13.3 73.4 73.5 73.5 73.7 73.7 73.7 13.7 GE 7do 61.4 66. I (1.4 71.3 13.3 73. 13.8 74. 1 7.1 74.5 74.6 74.6 74.7 74. 7N.7 74.7 GL 6>3r] 63.1 L.a3 o.6 71.5 13.1 3.1.1 74.4 7 4.4 74.8 7.9 74. 9 75.1 75.1 715.1 75.1 b 530.1 6.4 (ho 12.9 419 74.4 15.. 74 76 76.2 76.7 76.8 768 76 16.9 76.9 76.9 GE 4'OO 64.6 (9.4 1.3 73.8 15.8 15,9 76.9 772 17.2 77.6 11.7 77.7 77 8 77.8 77.8 77.8 uf 43 U9 64.9 73.: lj.5 7.1 76.1 16.2 7.2 71. 5 7.5 78.0 79.1 78.1 78.2 78.2 78.2 78.2 GE 3' L,)I 65.6 7L.1 72.5 75.1 17.1 712 38.2 18.5 38.5 7.4 19.0 74.0 79.1 79.1 19.1 79.1 ue 3oUI 67.6 13. 11.3 78.1 80.2 80.3 81.4 81.7 81.7 82.2 87.3 82.3 82.4 82.4 82.4 82.4 GE 20J1 68.3 1.0 1.2 79.2 81,5 1 8a.3 83.4 d3.9 83.9 84. 0 84 891 84.1 84.1 44.1 G 2001 ne 69.2 Il.u 1 11 81.4 84.2 4.4 85.8 86.5 d6.5 81.0 81.1 871 87.? 87.2 87.2 87.2 GE L1801 69.8 77. 7. 82.3 85.1 854 86.9 81. 75 81 81 88.2 88.2 88. 3 89.3 68.3 88.3 ul 15011 12.1 18.3 i 1 83.5 86.2 9.6 88.2 88.9 88.9 89.6 89.7 89.7 89.8 19.8 9].8 9.8 1201O 70.1 19.G p.8 84.5 87.3 97.6 89.4 90.6 80.1 93.9 46.0 41.0 96.1 41.1 91.1 91.5 GE Ic[cF, 10:, 719.9 81. 85.6 88.7 90 90.8 91.6 91.6 92.4 92.5 92.5 92.6 92.6 92.6 92.6 GE $1111 10.0-0.1 42.? 85.8 89.1 89.6 91.4 92.3 92. 93.o 93. 93.1 93.2 93.2 95.2 932 GE 850 10. u5, 3hJ.1 82.3 86.1 89.8 9L.2 92.4 93.5 93.5 94.6 94.7 94.7 94.8 94.8 9q.8 94.8 GE 730 70. 60.2 o?.1 86.6 90.2 90.6 92.9 94.1 95.2 95. 5 95 5 95.6 95.6 95.6 9b.6 GE 6ul0 70.5 4.2 81.8 86.7 90.5 91.0 93.3 99.S 96.5 95.7 96.0 96.0 96.1 96.1 96.1 9b.1 GE 5 I 10.3 6*. 41.1 81.2 91.1 91.5 91.9 95.6 95.6 97.l 97.5 97.5 97.6 91.6 97.6 97.6 GE 42,F. 70.3 p3.4 d3l 87. 912 91.6 94.1 95.9 95.9 97.6 9.1 98.1 98.2 98.2 98.2 96.2 cl 300 G. 9. G 4 8 1.1 83.4 9 1.4 91.9 94.,.6 96.196.7 99.6 99.0 99.0 99 91 94.1 99.1 99. GE 2 01 10).1 O3].4 43.1 1.D 87.4 7(. 91.4 91.9 94.6 96.7 96.7 3 CE 0.4 48.8 99.2 03.1 99.2 87.4 91.4 91.9 99.5 99.5 99.5 9.6 99.5 96.7 86.7 9P.8 99.2 99.4 99 t 94.b 9.1 9.8 IE E Li 11. N 4 3.1 87.4 91.4 91.9 94.6 96.1 96.7 98.8 99.2 99.% 99.6 99.b 99.8 100.0....................................,...o........,......... TOTAL NM/L9E OF 0HEAT37I : 93o AD--I I ~ Il - iil l IIIH
6LOaAL CLIMAICLOUY ek6*ih' P(CENI AG I FP -3',9 O o0 5 2I 91P t OF EI LI3. V'6US VI51BIII5 USAF[TAC FROM ih0u4l 3 8Y O.StRwhYIONS AIR.EATEW. V1IE/rAC biation NUMB[ :.'88 t STIAT 1I IaM : VA NL YS CA PERIOD OF RECORD: 78-87 MONI : J6AN IDURStLSI): 1700-14DO CEL VS IB IL3Y IN STATUTF MILES Nt G E 6 SE GE G E G E G I k GL G E SE GE GE FEET I IU '4 3 2 112 2 11/2 1/4 1 3/4 ;/8 1/2 5/16 1/l 0............ o.o............. NO LEI j 49. 2.7 4.d 55.1 5. 5.9 56.1 56.1 1.1 t 6.1 5t.1 56.1 56.1 16.1 56.1 56.I GE.2320) 55.5 9.1 b.. 61.1 613,1.0 63.1 61.1 63.1 1.3 11.3 61.1 63.3 61.3 61.1 63.1 6E 13DCc 5. 1 59.u 63.6 61.8 t3.i 61.0 b.3 63.1 3.3 63.3 6.3 63S 61.3 61.3 63.3 63.3 GL 16 ) 55. 9.j (1.6 61.9 63.3 b3. b3.1 b3.1 63.1 61.3 b.1 61.3 631 61.3 63.1 63.3 CE leu 59.1 14.2 b5.9 67.4 68.b b8.6 68.9 68.9 66.9 68.9 69.9 68.9 68.9 68.9 b.9 68.9 GE 12? 73 5I 9 1.9 L5. 1 68.2 69.. b9. 69.7 6.9.7.1 65.7 6.7 b9.7 69.7 69.7 69.7 69.7 61.76 6I.2 u. 1E 7j. 8 72.2 12.2 12.5 72.7 72.5 7. 7 72.s 12 s 72.s 72.5 7.5 - f 93.1.2 61.1 t1.. b8.1 73.8 72.2 72.2 72.5 72.0 72.S 72.5 12.5 72.5 7?.5 72.' 72.5 72.5 LE 8,Lfl 62.4 68.2 L.9 71.5 72.9 72.9 73.2 73.2 73.2 73.2 7!.2 71.2 73.2 77.2 73.2 73, ue 7c00m t 3.3 I d.t 2.5 72.3 73.7 73.7 74.0 14.1 74.1 74.3 76.3 74.3 74.3 74.1 74.1 74.3 E 3) C 1. 1 18.3 /3.a 72.4 73.b 1.8 74,1 74.2 79.2 79. 36.4 79.4 74.4 7Q.4 74.4 74. GE 62'GC 64.7 10.4 17.6 73.2 75.7 15.1 76.1 76.2 76.2 76.5 7,5 76.5 76.5 76.5 76.5 7..5 IE 4' /O ) 64.9 7.L I?. 74.b 76.5 36,3 76.8 76.9 16.9 77.1 77.1 77.1 77.1 77.1 77.1 77.1 Cr 4) b5.9 71.b?!. 75.b 77 3.3 77,7 71.0 78.0 79.2 7.2 78.2 78.2 78.2 78.2 78.2 Gt 12 P1 67.C 12. 14., 76.9 78.6 78.6 79.0 79.2 19.2 79.5 79.5 79.5 79.5 79.5 79.5 79.5 S1 LLO I7.2 :6.8 38.1 81.2 83.5 6.5 84.1 84.3 64.3 84.0 86.5 84.5 84.5 84.5 84.5 84.5 ul 2 I' I 1.I 1*.4 cj.9 82.9 85.6 85.8 86.7 83.0a 87.0 87.2 87.2 87.2 87.2 87.2 87.2 87.2 G[ 2[-0) 12.8.4 69q.2 35.2 89.5 69.S 90.9 91.2 91.2 91.4 91.4 91.4 91.4 91.4 91.4 91.. L IP bn 7'. H I.1 94.6 86.7 97.0 90.3 91.4 91.7 91.7 91. 999 1.9 91.9 91.9 91.9 91.9 91.9 E. I lu) 71.4 '2. 7 c3. 88.2 91.5 91.8 93.1 93.5 93.5 93. 95.9 98 93.8 93.8 93.8 93.8 93.8 ul I1, 1 73.5.3. H 95.5 88.7 92.5 92.8 94.2 94.b 94.6 p4.8 94.8 94.8 94.1 94.8 94.8 94.8 GE I L). 7 91.4 66.d 69.2 93 93.3 95.2S 95. 9.8 96.I 96.1 96.1 96.1 96.1 96.1 9b.1 GT,o 73.A 3., 63.1 89.1b 93.8 94. 1 95.8 90.8 96.8 97.1 97.1 97.1 97.1 97.1 97.1 97.1 GI E cr') 73.6 3.9 63.2 89.7 94. 94.3 96, 2 97.2 97.2 97.5 97.5 97.5 97.5 97.5 97.5 97.5 5 I C 7 3.P.1,7.4 89.9 94.1 94.6 96.7 97.8 97.8 98.2 9p.2 98.2 98.2 98.2 98.2 98.2 GE t, L0) 73.' "9.2 tt.5 9j.j 94.4 94.7 97.0 98.2 98.2 98.5 9P.5 98.5 98.5 58.0 98.5 9-,5 G L u) 73.9 -.3 o7.b 90.1 94.8 95.2 97.4 98.7 8.7 99.2 99.2 99.2 99.2 99.2 99.2 96.2 If 4Lt 7.8. 39.1 b1.6 92.1 95.1 95. 4 97.6 99.1 99.1 99.7 99.7 99.7 99.7 99.7 99.7 99.7 1E 31U) 733.9 "6.3 t3.b 93.1 95.1 95.4 97.8 99. 4 99.4 98.9 99.9 99.9 99.9 99.9 99.9 99.9 u, 33.9 1) h..3 87.6 90.1 95.1 95.4 97.8 99.4 89.4 )fl.lo Id3.0 io0.0 103.0 100.3 10U.1 130.0 6I EuF 73.8.. 3.b 98.1 95.1 95. 4 97.8 99.4 Y9.4 IO.3 I02.0 130.0 100.0 I3.3 o00.0 130.0 G1 1 73.8 H4.3 93.5 93.1 95.1 95.4 97.8 99. 4 99.4 1..0 lo.0 1o.0 103.0 100.0 100.0 103.0... TOTAL 61138(6 OF W,%( E3I 8 3 )SS 9130
blodal CLINA33LULG '-RAN(. P3U80INTA l RC.U ECY OF OCCCJAE NLEI OF CIILING, VFRS V, OISI6BILIIY USAFETAC FROM HOULY O0SERVATIONS AIR weatdtr 1[IrLMAC STATION NUPREV: 72296b >383106 NAME: VAN NUVS CA PERIOD OF RECORD: 78-8? MONTH: JAN HOURSiLST): 1SUO-1703 CEILING VISIbILIIY IN STATUTF MILES IN I LL GE sc GE CE NE GE G GL GE GE G GE E G E be FEET 1 10 5 4 3 2 112 2 1 112 1 14 1 3 /4,30 I a II /2 /1 1 / k...........o............................................... o...............o....................... NO ClL I 47. 'U. 1.1 SI2.4 54.0 b4.3 54.3 54.3 b4.3 54.3 54.3 54.3 54.3 4.3 54. 1 (.3 *,E :O000: I6. I I,.7 59.4 61.1 62.0 63.0 63.0 63.0 63.0 63.0 63.0 63. b1. 0 6. b3.3 63.0 81 I163U1 65.11 o.? 9.4 61.1 62.7 b3.'u 63.0 63.0 63.0 63.2 63.0 63.0 65.3 63.3 bt.0 bt.3 G E Ijtr6 5.5-I.7 ;.4 61.1 62.7 63.0 63.0 63.0 63.0 63.0 63.0 63.0 6 3. 3 3 U t. b. ;.3 (E 1nLOo1 6". 1 14.6 t6.1 67.8 69.5 69.8 69.8 69.o 69.8 69.8 69.8 69.8 69.9 6 9.9 q. be 12"001 b3.b 65.5 b.7 b.4 7O.o 70.3 70.3 70.0 10.3 70.3 70.1 7C.3 73.3 71.3 71.S?3. U L 100101 62.3 67.0 9.1 71.2 73.0 73.73 73.3 13.3 73.3 73.3 73.3 73.3 75.1 73.3 t3.3 73.3 7,E 9L.3 6.'.4 b.c b8.2 71.3 73.1 13. 4 73.4 7 3. 7 3.4 7 3.4 3.4 73.4 3.4 3.o 3'.o 73.4 EL ba'001 6!.1,.7 73.0 72.2a 73.9 74.2 74.2 74.2 14.2 74.2 14.2 74.2 74.2 74. 34.2 74.L EL 7'00 E3. F 69.4 73.6 72.7 74.5 74.8 74.8 74.8 74.8 74. 8 74.8 74.8 7.4 J 4.b 74.8 7.8 b6 buo l 63.5 69.0 II. 73.- 74.8 75.2 75.2 75.2 75.2 75.2 35.2 is.2 75.2 75.2 7..2 1, SOCOI 66.0L 72.3 13.9 75.9 78.0 76.3 78.4 7o.4 78.4 784 74.4 78.4 74.4 78.4 7-.4 78.- 6,E 45001 t,7.4 73.6 75.5 77.5 79.t 79.9 80.0 80.0 8 0. 80 t.0 )3.0 8U.0 83.3 A3.j bo2. '. i 61 4 LI ('.l 75 17.2 79.4 81.4 i.7 81.8 81. B 1.8 81 Q1.8 43 81.8 81.8 41.3 81.4 1.8 1 351) 71.0 71.0 79.1 81.4 83.4 43.8 83.9 84.0 84.0 84.0 4.0 44.0 84.1 44.J V4.0 84.3 63 3i If31 7.V 8 93.8 83.- 85.0 87.S 87.6 68.2 88.4 o8.4 R.4 8H.4 b 8.4 64.4 88. 4 O8.4 48.4 E E'5.0 7 4, 6 3.2 M5.5 8A.0 90.3 90.8 91.2 91.4 81.4 91.4 91.4 91.4 91.4 91.4 9.4 1.4 GE lugoi 7.-7 SS.1 87.6 93.2 42. 93.2 93.7 93.9 93.9 93.4 49.9 43.4 91.9 43.9 51.4 53.4 GE 180I 76.2 5.2 87.8 93.4 93.u 93.4 9.9 94. 1 94.1 94.1 44.1 94.1 94.1 Q4.1 I 4.1 94.1 b1 i 1 1;l 176.9 95.5 8.2 93.4 93.7 94. 1 94.5 95.4 94.4 95.4 45.4 45.4 95.4 45.4 5'.4 5.4 F 12C1 77. 0 P5.7 t. 91.2 94.1 94.b 5.3 96.1 46.1 95.1 96.1 96.1 96.1 ot. 96.1 9t.1 61 10331 77. b.i b 3.5 91.2 94.1 94. 6 95.3 96.2 96.2 96.- 9 t2 96.2 9b.2 9b.? 46.2 9b.2 L L ',,, I 7 7.0 P 5. 7 t4.5 91.,-2 94.1 45.1 95.9 96.9 9b.9 qb.9 96.9 96.4 96.9 9b.9 96.9 96.9 ue bil l 17.5 7.5. b.7 91.5 94.9 95.7 96.8 97.7 7.7 91.7 97.7 97.7 97.7 97.7 97.7 97.1 CS 7 il 77.' 5.9 88.7 1.6 95.4 96.1 97.3 98.3 98.3 98.4 91.4 98.4 98.4 48.4 98.4 9b.4 cf 6 {301 7. 95. L! hi.b 91.4 95.4 96.6 97.7 98. V9.8 9.9 94.9 98.9 98.9 9A.q 98.9 9.9 6f,,) 77. 4_0 h90 d 91.86 95.8 46.6 98.1 99.4 99.4 9.b 94.4 99.6 99.6 99.6 89.6 4y.6 L 4,3 77.'.. q 98. 1.b 95.8 96.6 98.2 99.6 99.6 99.9 91.9 99.9 99.9 44.9 99.9 499. ut '7ll 77.! A 06. 6, 4s. 91.8 95.4 9b.6 98.7 99. 7 99.7 I03.0 1001.3 100.0 102.0 i.3 15l.7 193.0 uf 2.0I 13.0 ht.. 9 0.6 41.8 95.8 96.6 98.2 99.7 99.7 1033.0 100.0 100.0 100.0 Ic.J 100.1 0I32L; 1E 10 11.3 r 6.3 n.3 91.8 96.9 96.6 98.2 99.7 99.1 1(0rJ 16I 3., IJ 0 103.0 103.3 160.3 I D.3 t 'I 1 1. c,.3 434.'9 91.8 95.4 96.6 98.2 90.1 99. 1 03. 0 a 10.0 150.0 103.0 I l3.3 L.0 10u. 0......... S..................F o...o..... TOTAL NUMFIF r? OF L; QS[ C~ R W A I0%S 930
OALLIMAIOL,y h t, 0' PE.4CNTAGE F2R-QU3I.y OF OCLJRENC[ Of CIILTSS VfRSUS VIS8IbLLTY L SAI FI A FROM HOURLY OL8V A I 3NS A1 I.R8t ATER,76V10(/980 TA3I10N NM9EP; 7'28,5 STAIO NAME. VAN NUYS CA PEPLOU 4F PLCOPO: 78-87 MONTH: JAN HOu R(L5S 7 7 180-2CO.... o oo..... o... oo,.o........,............................................................. CLL [IS VISI8ILIfT IN 5TATJE MILES IN I CL CL It GE GE u G E G GL SE C L GL 3 L L FELT! 1'. 4 1 2 112 2 1 1/2 1 1 4 1 7/5 5/8 112 1/t 114 4. 0 LEI... L S 5.... *.'"a L. 5'... itt. 7....'.1 6... 59.j... 0.1. 06.. 5.o 49... 59.2 S9.2 5... 1 5. 7 5." 6..... 7.. 9. 59.2 5.7.. 59 5.2 7...... 9.2. qs,o... y2... G[ 1 SH.7, t 1.., i.3., 64E3 '1 6b.5 65.7 65.7 65.7 5,7 6,5.1 65.7 65.1 6S. 7 1.7 1 ui 16031 59.' 1. is 64.3 66.5 6,. 65. 7 65.1 657 65.1 65. 65.7 65.7 6.. 60.1. f 14 : I :. " 3. 9. 6 7.- 7 2. 2. 6 72. 7 7 2. 7 1. 7 72 1 7 2. 7 1 2. 7 1. 7 7. 1 1.?. 1 E 1,24.S F..- 13.1 71.4 72.: 111 732 73.2 1.2 1.2 712 73.2 1.2 7.2 7.2 71.2 U[ 1Cnd0I 6E.4 11.t 14.! 13.7 75.5 15.5 75.7 75. 7 75.7 7S.7 75 75.7 75,7 15.1 10.7 6 L IL 6, 1 1 17.8 7S3 1.7 75 75.8 75.1 75.6 19.1 75.8 75.8 75.. 15.8 1;.) 5! 8L 1 66.o 2 41 7 67 7. 76.6 7. 7.6 76S 16. 16. 7. 168 7. 5 71 ) Q I 6. 8 ' 5.1 7.9 77. 0 77. 1 7 7.1 7. 1 77. 7 7. 1 7. 1 7 1 71. i 1.1 77. 1.4t O I 7.. ] I, 7s.q 7.2 7/.3 7.4 77.4 11.4 77.4 77.4 11.4 77.4 11.4 11.4 71.' 16 ' 2 4.)', 77.7 19.7 19.8 19.9 79.9 14.4 79.5 74.9 79.4 79.9 7.. 14.8 759, 7' 47 II.) 6.3 P264 25 2. 768. 62. 6 8b, 82.6 8a.5 92,t 2.6 826 S. 1 11, Si 79. ~ ~ Z I ~ ~ 8. 52.4 31? 7486 4.1 4.2 8. 66.3 889 84.3 8. 8.9 4.1 17.3 84.9 84.1 84.3 84. 94.1 94.3 8. 89 798.9 894.9 8. 88 4. 3'- C7 2.I. -1.0, S., 21.8 95.4. 86.0 46.0 86.0 16.[4 66.0 5.3 86.24 6.0 86.0.7.'2) 7,6l.' '5.5-9..2 91.1 97.5 5 4.3 94.4 94.5.4.5 94.5 94.9 94.5 94.5 94.5 94.5 94.5 "'7 P-UT! 1.9 s. 6 :I3,1 91.4 44.? 84.1 94.5 94.6 " 4.6 94.6 44.6 94.6 94.6 99.6 94.6 94.6 1511I [ 76.a "6.u.. 92. ' 95. :5.4 96.0 96.1 :t.i 96.3 96.! 46.1 96.! 96.1 96.1 Ss.I 4 12:I 77.1-7.! 8.5 42.1 95. 49.3 96.7 9.9 96.8 96.4 96.8 96.6 96.8 86.1 36.8 96.6 74 ls! 11.! :l. -.9 93.3 16.3 '76. 97.3 9174.4 97.4 97.4 97 974 97.4 97.4 87.4 91I(; 71.1 7.,... 43.. s, " 97.1L 97.8 98.2I 88.0 98.3 98.0 98.0 94.3 96.3 94.3 59.3 5-1 17 '7.u 33.7 91.5,,5 47.7 980 98.6.b6 94.6 9.6 98.6 98.6 48.6 98.6 9.4 f 7 H1. 7 1.1 01P7 9 1.7 9 6. 4 8 8 9 8. 9 8.9 98 9 9 8. 9 9 69 98. 9 p8 9 9 9. 9. 9 (o! 77.1 '9-3 1 4 9 y 9, 64 9 9 2 9 9 4 5 9 4 9 84 9 4 9.4 99.4 9.4 9 4 5 9.4.7! 17,1-7.s.3.3 C) 94.3 99.4 98.7 99.7-99.8 b 61 9.8.8 9.8 99.8 99 99 b o9.8 5.3 4 2 1 77 1 6 1. s.. 94. 3-9 5 8 3 9 9 9 1 0. 0 j, 1 53 1 3. 1 3. 0 1 3 3 1 3 9 1 3 6. 1 2. 2 *.F 721 77.!1 1 ' 84.3 q. 98.64 8.9 99.9 102.3 b 9..0 10.0 9 100. 13*. 9 153.3 132.0 170.0 ' I I 17.1 94. 3 9 46 9 8. 8 999 1 0. 0 1 3. 0 03 0 1. 0 1.40 3. 0 1A. 3 1, 0. 0 1 0.5 55 1( 71 I 7.6 j.1 94.3 986 98 99. 103 133.0 303.0 300.0 100.6 103.[] 127.3 129.3 12-.0 01 77.1 U.s I1.3.1 94.3 98.6 98.9 99.9 103.5 100.0 '13.0 10. 60 90.0 i0 9,O 00,3 122.0 133.0 707:1 l : 940 91 j 8 a 9 8 8I9 99
GLObAL [cimal(ctulvt A F A. Cl Pf/NOTEAS F P4QUE4 V 0 F 0 0O Cf IL I Vf HS VISIBILITY usafetac FROM P-OULLY 065698Va7IONS AIR LAT IiE SlPvlICtI/AC SIA ILON NJHiL-: I-e-b 'IAI % 946: 4AN NUYS CA PFPIOb F RLCOAD; 70-d7 MONTH: JA N HOURSIL7T1: 2 1 j-210c IN I,2 i uc E C, 6E C7 GL 60 SE 5E c GL 36 E7 GL LE L77 I T I 2, 112 hi. I TI. 3/4 1/2 5/It /4 0 NO L I L '..'I t -. - 62.u 63., 63.2 6 36 6.7 t3.7 f3.7 b.1 63.7 67.7 t3.7 3.7 b3.7 uf] 57 '1. ' 17.t 1. 65.4 66.4 66.4 6.9 67.G,. 61 6.3 61. 1,, I7.2 61.2 67.7 SF I 7.2 6'.u - 75.9 664 66.4 L6 9 67.0 67. f.1. 1 t b1.0 b.3 s7,3.7 j 6.0 ul. IIJC")I 27.2.:. n', 65.4 66.4 66.4 66.9 61.0U 67.0 67.0 61. 61b.0 6l' 7.0 1 41.0 67.2 GE ti' 1. 1/ 9' 16 1 16.3 1U 2. 72.. 72.4 67 t, 72. 12. 12.4 t7 12.4 1.j C 12 c1 63. t. l 7.1 71. 1E 71.9 72.3 24 12. 72. 12.5 1 T.4 17. 7.; 75 S CI- " ;...~~11 70. 1.4 74. 74.6 7. 156 1, 15t 1. 7.6 5..c.G 7b CF ''I c' ls. P.. 13.4 74.2 14.6 75.5 15. 12.u 15.6 1'.e 75.6 75.6 5.2 7V.5 15.6 U7 f I 7. 71. 7. 427 149 15.3 1, 7 7.1 7606.. 7-) 7. 60 1. 63 7. 7 71:U, ti 6 1.I~ 179 74.6 75.6 15.1 76.5 16 5 76.7 76175.7 t,.7 1b.7 76.7 70.1 7.1 6, I f, 74 12 zi 11. 749 76.3 761 1 7 7 6., 77. 7 ' 17. 7 771 17,. 771. 1 1.16 7b6. 11.9 13 748 1 9 7.9 1 9 7 1 714.4 ;1. 19.4 71.4.,7. 78, 3 b1. 79 4 79.5 14.5 7 5 5 79.5 7.5 19.5 1. 411Iul ' Ic.. 1-.7 11.4 471. 40.4 41.9 43.C 42.77 42.3 62.1 82.0 42.0 42.2 42.0 92.0 ~ 1, 7. 1. 71. 739. 47. 1 1. 833 4. b~ 2.~ 3. 914 4.23. 18 9. S 1.,. '7.2 62.4 3.9 14.0 85.1 45.2 6,.2 95.2 6.1 85.2 85.2 45.2.5.2 95.2 (.7 'ii. 6 I1,97 71 '1.4 :7, 47. ; 46.3 44. 46.6 92. 46,I4 47.9 93. 1.' 84.1 91. all.! 74.1 93. 49.1 8. 43. 48.1 3. 1. 44.1 9.4 41.3 4 94,j 44.,1 7b.4 41. 46.1 Z:, l~ l,.2,2.. 84.9 91.1 91.2 42.6 92.7 92. p 2,7 42.1 92.7 92.7 92.7 42.7 4Z,1 7 p r I 7 c',, 91.1 94.2 94.1 95.5 95.7 95.1 95.1 95.7 95.7 95.1 96.7 5,7 45.1.7 1. ii 7i <,.; P.4 92 3 95.7 45.4 46.9 97.2 47.0 91.0 97L 91.0 97.0 97.3 17.0 47.0 1 c0 '1.. c. 42.6 95.6 95.9 91.5 91.6 47.6 97.6 47.6 97.6 97.6 97. 97.5 97..6l "'- 7ZL "7l.1 il 92.4 46.9 96.1 91.4 97.9 91.9 97.4 97.9 91.9 91.9 91., 97.4 9.9.,9 cl 1',' 67.4, s., 897.46.1 96.4 94.2 983 93.3 93 94. 943 94,7 99 Q93 9 98 e,. 7 I 71,'17.6 ",'.1 9.4 91.2 41.2 99.0 99.1 84.1 99.1 9.1 ~9.1 99.1 94.1 99.1 94.1 1 7.2 6. ''.1 93.4 9.4 946 99s7 99 99.6 95 94.599. 9. 95.6 96.6 Fbe 22 '.4 49.6 s1 9, 9. 95.6 97.41 97.6 997 99.49 99.4. 94.4 9 4.97 99.4. 94.49 97.4 947.4 947.4 2I 'L: 721 7.. 94.4995.6 94.7 9.6 99. 99,4 96.4 94.4 94.4 99.1 49.4 9.6 E7 4. 1.' 93.9 Z.4.'.1 97., 97.6 9.7 99.8 99.4 99.4 99. 94.4 99.8 91.b 94.4 6.8 SE '.27 1.2 I.. '1 93.4 97.4 'J1. b 2 99.1 99. 9 99 9.6 99.4 99,9 4949 94.9 99,1 t Ic I 2: 47.'. '.,1 93.4 97.4 97.6 99.5 99.7 99.4 99.f 99.6.999 99.9 99.9 100.0 1 3G. 1 72.0 97.... 90 93.4 97.4 97 b 99 7 99.8 9.4 99.8 9. 99,8 99.9 9..0 103.0 774 01 A 9S 46 of ~ ~ ~ ~ ~ a. 9-76 9 98 98 9 98 998 9 9a9
LUJOAL CLIMATOLOGY 8RAC PEkLN71A 5E F k L-.JNCY OF GCCU6PLNCE OF CEILING RVSLS VIS1axLITY USAFET AC FROM -OULY OdSERVATIONS AIR WFA1H[R S-RVICL/MAC STATION NUM1ERC: 722866 AI ION NAME; VlA NUTS CA P -IOL OF RLCORD: 78-87 MONTH: JAN roursilsti ALL CE IL! 6 IS IH IL IT Y IN STATUTE MILLS IN I U6 l F GE GE G GL G - GL 5L Gi G E GE GE GE f E FLCI I 10 4 0 2 1/2 2 11/2 1 1/4 1 7/4 5 / 1/2 5/16 1 / 0),,.,,....... *..................,..,.................................. NO CLIL I 51.6 t.b 55.b 56.: $7.5 7. 6 57.8 57.9 57.9 57.9 57.9 57.9 57.9 37.9 57.9 57.9 (, 200001 55.9 RO., '9.6 61.9 6 3 30.9 63.3 63.4 63.4 63.4 5.4 b.4 63.4 63.4 b3.4 b3.5 GE 18 0 1 55.p 59., 63. 61.9 67.0,3.0 67.3 63.4 673.4 60.4 63.4 63.4 63.4 61.4 6T3.4 i.5 Gf 165o 1 55.p 9.6 6. 61.9 6T.0 (GO. 6T.3 60.4 63.4 63.4 t1.j4 63.4 63.4 61.4 603.4 63.5 GEI 14r-0lo 69.8 69.8 us.2 61.4 68.6 bb.9 69.2 69. 3 69.0 69.03 9.T 69.3 9.1 69.1 69, 69.4 GE 120001 6J.5 6:. 0.? 68.2 69.6 66.7 70.0 70. D 7.0 70.1 70.1 70.1 7.1 73.1 70.1 7.1 be IaU031 12.6 6d.1 6A. 70.- 72.4 72.5 72.9 72.9 72.9 70.6 7T.0 73.0 75.0 70.0 73.0 73.I GE 9001 62 7. f f,.. 1 69.5 71.1 72.4 72.5 72.9 73.0 73.0 73.0 73.0 73.0 73.1 13.1 73.1 70.1 GE C 0I 65.2 66b.7 71.2 71.6 71.3 70. 0.7 73.8 73.8 70.8 7.8 73.8 70.9 73.9 7.9 73.9 GE 7 000 63.6 9.3 10.8 7Z.4 713.9 76.0 74.3 74.4 74.4 74.6 T4.6 76.6 74.6 74.6 74.6 74.7 LE 6000 64.0 6v.6 7.1 72.7 74.2 7.1 74.6 74.8 74.8 74.9 76.9 74.9 74.9 74.9 74.9 75.0 6,E 5O01 65.5 71 S 7.2 74.8 76.5 76.6 77.0 77. 1 77.1 77.2 77.3 77.3 77.1 77. 07.3 77.j GE 45625 66.3 72.5 74.0 76.0 77.7 77.B 78.3 78.4 78.4 78.5 78.6 78.6 78.6 78. 6 78.6 7b.6 be 40001 67.3 7 1 75.5 77.3 79.1 79.2 79.6 79..8 79 79.9 79.9 79.9 79.9 79.9 8.0 8 GE 550 8.2 79.9 75.7 76.b 60.5 80.6 81.1 81.2 81.2 41.6 1.4 81.4 81.4 91.4 81.4 81.5 G E 3nOq l 70. 1 77.6 7;.b 81.7 83.8 d.9 84.5 84.7 84.7 84.8 84.8 84.8 84.8 84.8 84.8 84.9 u 2, JO 71.2 79.4 91.5 80.8 86.1 (.3 86.9 87.2 67.2 87.3 67.7 87.0 87.4 97.4 87.4 87.4 GE 22; 01-7.4 81.6 87.9 86.4 89.0 64. 2 90.1 90.4 90.4 90.5 90.6 90.6 90.6 90.6 90.6 9.b GC 18001 72.5 820 :.4 86.9 89.b 89.8 90.6 90.9 90.9 91.1 91.1 91.1 91.2 91.2 91.2 91.2 GE 1,001 72.9 8.0 b.3 88.0 91.0 91.3 92.2 92.7 92.7 92.8 92.9 92.9 92.9 92.9 92.9 92.9 GE 121, 1 7 0 0.3 da.1 88.a 91.9 92.2 93.2 93.8 97.8 90.9 94.0 94.0 94.0 94.0 94.3 94.1 GE 1o@')1 73.0 63.6 85.5 89.4 92.7 93-0 94.0 94.6 94.6 94.8 94.9 94.9 94.9 94.9 94.9 94.9 GE 901 77. 1 80. o b.1 89.b 91.0 93.4 94.6 95.2 95.2 Q5.' 91.4 95.4 95.6 95.5 95.5 95.5 GE p501 73.1 80.9 ng.9 89.9 93.6 93.9 95.3 96.0 86.0 96.0 96.3 96.0 96.4 9b.4 96.4 9o.4 GE 7ool 73.I E4.(L 47.1 93.2 94.1 94.4 95.9 9.7 96.7 97.1 97.1 97.1 97.1 97.1 97.1 97.2 GE 6001 70.1 84.[1 t7.2 90.4 94.4 94.8 96.4 97.3 97.3 97.6 97.7 97.7 97.7 97.7 97.7 97.7 GE 5&CI 70.1 84.1 87.0 90.5 94.7 95.1 96.9 97.9 97.9 90.4 98.5 98.5 98.5 98.5 98.5 98.6 GE 460 1 73.1 I A4.1 67.0 93.5 94.8 95.2 97.2 98.3 98.3 98.8 9 q 9.9 98.6 98.9 98.9 98.9 99. 6E T001 73.1 94.1 97.0 90.6 94.9 95. 3 97.4 98.6 98.6 99.2 99.0 94.0 99.3 99.03 9.3 99.4 G E,2UP1 73.1 84.j I87.7 90.6 94.9 95. 97.4 98.b 98.6 99.3 99.4 99.4 99.5 99.5 99.5 99.6 G +E Itoh 10 "T.1 4. 1 47.0 90.6 94.8 95.4 97.4 98.6 98.6 99.3 99.4 99.4 99.6 99.6 99.7 99.8 ue 01 73.1 84.1 87.3 90.6 94.9 95. 4 97.4 98.6 98.6 99.0 9Q.4 99.4 99.6 99.6 99.8 130.0,.....................,......,.....................''...'*. TOTAL NUMPL8 OF ORSFRVAIINS: 5600
GLObAL CLIMAIOLGY f40ncr PEhCENVAGf FR- U-EY Of OCCJHP:N3t O F (FILING Vg[gLO visibilily USAFET AC AIR w father SfRVIC,/MJC FROM HOU4LI O9CPVOTTON S STATION NUMPER: 7225b6 5A3ION NAME; VAN NUYS 2A PEPiGO OF RLCORD 7b-61 MONTH: FEb HOUSiLST : 3300-3502 CEILING AISI ILI V IN STAIUT E MILES It. L t E JE GE GE GE GE G GE GE GL GL SE L C GL E FLT I 12 6 4 3 2 12 2 1 1/2 1 1/4 1 1/4 5/8 1/2 lb 3/4 0........,...................*........,........................,......................................... NO LEIL 1 46.4 Cj13 55.1 56.o 60.2 60.2 60.2 60.2 6;.2 60.. 60.2 61.2 63.7Z 3.2 b2.2 62.2 GE 203U0 51.3 55.6-3.2 61.1 64.6 64.6 b4.6 64.6 64.6 64.6 64.6 64.6 64.6 64.b b4.6 64.6 GE Ia CU 9 1.3 55.6 63.2 61.1 64.6 64. 6 64.6 64.6 b.6 4.6 64.6 64.6, 6466 6.6 64.6 84.0 0,E It0oI1 51.3. b od.2 61.1 64.6 64.6 b4.6 64. 6 64.6 64. b6.b 64.6 6b6 64.b 64.6 64.0 GE 1W1001 52.2 5b.6 tl.1 62.8 66.4 66.4 66.4 66.4 66.4 66.4 66.4 66.4 66.4 6b.4 66.4 b.4 GE 12P201 52.2,.t t1.1 62.9 66.4 66 4 66.4 66.4.4 bb.4. b. 4 66.4 b6.4 66,4 66.4 6b.4 GE 1GOD1 53.1 53.4 62.9 65.5 69.3 69.0 69.2 c 64. 0 69.0 69. 69.21 69.2 69.3 64.j U9.3 o9.0 ue 9o0of 53.1 S.4 67.6 65.5 69.0 69.0 69.0 69. 3 69.0 69. b9.2p 69.0 69.0 6y.13 6.2 69.o u.e nioi 3.1 'o.4.o.d 65.5 69.2 69. 0 69.0 69.0 69. 9.0 b9.d 69.0 69.0 69.3 o9.0 69. GE 77001 53.1 S6.4 62.j 65.5 69.5 69.0 b. 69.0 64.0 b9.0 4, 9.0 6 9. J 9o.a 69.3 u 62001 4.C 5.? L!.7 66.4 69.9 64.9 6 64.4 94 6 6.9 9. 69. 9 9 b9.9 696. y.9 9.9 GE 501n 50.8 61., S.4 69.3 712.6 72.6 72.6 72.6 72.6 72.6 77.6 72.t 72.6 72.6 72.6 71.6 GE 45CC1 50. 62. c7.3 69.9 73.5 73. 5 7 3.5 3.5 73.5 73.5 73.5 73.5 73.5 73.5 73.5 71.5 u E 42C0 5.6 (7 b6.1 73.8 74.0 74.1 75.2 75.2 75.2 70.2 70.2 75.2 75.2 75.2 75.2 75.2 E 35C01 56.6 6-.L G.? 71.7 75.2 15.2 76.1 76.1 7u. 76.1 76.1 16.1 76.1 7t.1 06.1 7b.1 GE 1721J 57.0 69.1 72.o 75.2 78.6 78.8 79.6 79.6 19.6 79.6 79.L 79.t 79.6 79.. 79.6 7,.6 GE 16 31 56.4 6s.C L 3. 126.1 79.b 79. 6 60.5 80.5 40.5 92.5 86.0 80.5 82.5 80.5 60.5 83.5 E 2 CU0 09.1 73.6 75.1 78.6 83. 83.2 6.1 84.1 84.1 94.1 84.1 84.1 84.1 84.1 b4.1 64.1 u E 1810 59.3 71.9 7. 1 78.6 83.2 83.2 6.1 84.1 64.1 84.1 84.1 84.1 84.1 P4.1 84.1 84.1 GE 1071 62.8 7.2 61.4 84.1 88.5 88.5 89.4 89.4 64.4 89.4 89.4 89.4 89.4 F9.4 a9.4 89.4.E 123 1 2.8 7u.1 6b.2 85.8 90.3 90.3 91.2 91.2 91.2 91.2 91.2 91.2 91.2 91.2 91.2 91.2 GE 12P0! 62.6 77.9 80.6 88.5 92.9 92.9 93.8 91.d 1.8 93.8 9 93.8.. 90.q 93.8 93.8 93.8.E 9 l(r 62.p 77.4 o9.d 86.5 92.9 92.9 93.8 93.8 93.8 93.8 61.t 91.8 91.8 91.S 9.8 91.8 GE 8o0I L 2P 71.9 os. 86.5 92.9 92.9 94.7 44.7 V4.7 q4.7 94.7 94.7 94.7 94.7 94.7 94.7 GE 7UG1 62.8 77.9 95.6 88.5 92.9 92.9 94.7 94.7 94.7 94.7 94.7 94.7 94.7 94.7 94.1 94.7 GE 6031 62.8 17.9 6.h 8B.5 92.9 92.9 95.6 95.6 95.6 95.6 95.t 95.6 95.6 95.b 95.6 95.b GE on 62.8 419 45.8 88.5 92.9 92.9 96.5 96. 5 96.5 97.3 97.3 97. 3 97.3 97.1 97.3 97.3 GE 4001 62.8 77.0 o,.h 88.5 92.9 92.9 96.5 96.5 4i6., Q7.0 97.3 97.3 97.1 47.3 9.3 97.3 GE '003 62.P 7s.1 95. 90.3 94.7 94.1 98.2 99.1 99.1 I 93.0 13-1 130.0 103.0 102.2 100.0 100.0 GE 2GOI 62.9 7b. 05.7 90.1 94.7 94.7 98.2 99 1 99.1 123.0 120.0 300.0 120.0 30.0 100.J 10.0 GE 1001 62.8 7i.6 b6.7 93.3 94.7 94.7 98.2 99.1 99.1 10O.O 137.0 IRO.0 103.0 103.3 130.2 1c0.0 G E 1 62.8 7.6 d5.1 90.3 94.1 94.7 98.2 99.1 y9.! 100.0 10).7 100.0 103.0 100. 00.0 10 C T01AL NEMBER Of OISERVA I1NS11: 113 a-
GLObAL CL3MATOLOLY branch PERCENTAGE FR-QUENCY OF OCEJRRENCE OF CE3LING VEtsuS VISIBILITY USAFETAC FROM HOUILY OBSERVATIONS AIR WEAT.ER SERYICELMAC SIAI1ON NUMBER: 722d06 51ATION NAME: VA N NUYS CA PERIOD OF RECORD: 78-87 MONT-: FEB HOURSILSTI: 0600-OA87 CEILINGRIIIIYISTTTRLE IN f, L L SE GE GE GE GE GE GL GE GL GL GE GE GE GE FEET In 6 5 4 3 2 12 2 1 1/2 1 1/4 1 3/4 5/A 112 5/16 1/4 0.........,,,,.,..... o.,,...,.,..........o..............,,.....,...o..,.,... NO CEDL 1 50.6 53.9 9,.5 56.4 57.9 57.9 58.2 58.4 56. 58.4 58.4 58.4 58.4 GA. 58.4 58.4 GE 20DO1 5.1 57.0 53.7 59.6 61.2 61.2 61.5 61.6 61.8 61.9 61.9 61.9 61.9 61.9 61.9 62.0 GE 180001 53.5 S5.C 5i.7 59.6 61.2 61.2 61.5 61.8 61.8 61.9 61.9 61.9 61.9 61.9 ti.9 62.0 be 160001 3. 57.0 58.7 59.6 61.2 61.2 61.5 61.A 61.8 61.9 61.9 61.9 61.9 61.9 bi.9 62.0 GE 14031 95.8 59.4 01.4 62.4 64.3 6.3 64.5 64.8 b4.8 64.9 64.9 64.9 64.9 64.9 64.9 65.1 GE 122001 56.3 63.0 62.D 63.1 64.9 64.9 65.2 65.5 65.5 65.6 65.6 65.6 65.6 65.6 65.6 65.7 G 102C01 58.7 62.A 64.o 65.9 67.9 61.9 66.1 60. 4 68.4 A.A 68.8 68.0 60.8 8 68. 86. 66.9 be 9UO 1 58.7 62.6 6.b 65.9 67.9 67.9 68.1 68.4 6.4 68.8 6R.8 68.8 6R.8 60.6 68.8 68.9 GE 8 Con 59.4 63.6 6.6 66.7 68.1 68.7 69.1 69.3 69.3 69.7 69.7 69.7 7 69.7 69.7 9.7 66.9 be 7CO 59.4 63.1 65.7 66.8 68.8 68. 8 69.3 69.6 69.6 70.0 70.0 0.0 73.0 70.0 10. 70 I It 6C0O 59.4 63.7 65.7 66.8 68.R 68.8 69.3 69.6 69.6 73.0 70.0 70.0 73.0 70.0 70.0 70.1 GE 509 60.4 65.1 67.2 6A.4 10.4 70.4 70.9 711.2 7.2 71.6 71.6 71.6 71.6 71.6 71.6 71.7 UL 45O0 b0.8 65.6 9 61.7 68,9 70.9 70.9 71.4 71.7 71.7 72.1 72.1 72.1 72.1 72.1 72.1 72.2 40 U 61.R tb. 60.1 70.3 72.2 Z 722 78 73.0 73.0 73.4 74 70.4 13.4 73.' 70.'4 73.6 GE 3' L9 62.2 68.3 71.7 72.0 74.1 74.1 74.6 74.9 74.9 75.3 75.] 75.3 75.3 75.3. 75.3 75.4 GE 30C 1 64.0 71.0 17.7 75.2 77.4 77.'. 78.0 78.2 78.2 78.6 78.( 78.6 78.6 78.6 78.6 78.1 LI 2501 64.5 71.7 1.5 76.0 78.5 78.5 79.2 79.4 79.4 79.8 19.8 79.8 79.8 79.8 79. 8 79.9 ut 20C0 ts.6 74. 11.6 79.4 81.9 d1.9 82.7 83.1 83.1 83.5 R3.5 83.5 83.5 83.5 83.5 83.7 SF 16C5l L0.6 74.5 73.0] 79.5 82.1 82.0 82.9 80.3 83.3 81.7 83.7 83.7 83.7 83.7 83.7 83.8 CE 15501 66.2 75.8 7.4 U4.1 83.d 83.9 894.9 85.3 65.3 RS.7 85.7 85.7 85.7 85.7 85.7 85.8 ut 1Cd11 66.3 77.0 0].9 82.5 85.3 85.4 86.5 87.0 87.1 87.5 87.5 81.5 81.5 97.5 87.5 87.6 54 10091 66.4 77.4 81.4 83.5 87.0 97.1 688.3 89. 0 89.1 49.5 89.5 89.5 89.5 89.5 89.5 89.6 E '.00 66.4 77.4 01.4 83.5 87.3 d7.5 89.0 89.6 89.8 90.2 97.2 90.2 90.2 90.2 90.2 90.3 Ut 6201 66.5 77.6 81.5 83,7 67.5 87.8 89.9 90.8 91.0 91.4 91.4 91.4 91.4 91.' 91.4 91.S Ut 7 01 66.5 719.6.5 43.7 87.8 68.3 90.6 91.5 91.6 92.: 97.2 92.2 92.2 92.2 92.2 92.3 t 6001 66. 77.t 01.5 83.8 88.7 08.3 91.2 92.3 92.4 93.0 93.3 93.0 93.0 93.0 93.0 93.1 ut f On b6. 71 T.b 61.6 '.3.9 88.2 88.1 92.3 93.6 93.8 94.' 94.4 94.4 94.4 94.4 94.4 94.b E 4 o4t 66. 77.6 H1.5 83.9 88.Z 86.7 92.4 94.0 94.2 9S.4 95.4 95.4 99.4 95.4 99.4 95.5 t c do 66.5 7. 81. 8. 4 88.6 89.1 93.1 95.0 99.1 96.4 96.5 96.5 96.5 96.5 96.5 96.7 IE 2001 66.5 77.b 81.5 84.1 88.6 89.4 93.8 95.9 96.0 97.9 98.1 98.1 98.3 98.3 98.5 98.7 te F O 66.5 71.o 01.0 84.1 88.8 89.'4 93.8 95.9 96.0 97.9 98.1 98.1 98.3 98.1 98.8 9b.9 (t [ 4 bb.9 71.6 d1.5 84.1 88., 99.4 9.8 '95.9 46.0 91.9 98. 1 98.1 98.3 98.3 98.8 100.0.. L..*.. O.. F 5... T...,. 7 61...,..,... *.. *. *.......,......,...,... *......:...7..6 TOTAL NUMIHEQ Of URSERVA T 3)'J is 3
I GLOBAL 16 CLIMAIOLOUU canch PERCENTAoE frquency OF OCCJRRENCE OF CEILING VERSUS VISIBILITY usafetac AIR weather SfRYlCE/MAC FROM houly OBSERVATIONS STATION NUMER: 722886 STAT'ON NAME: VAN NLYS CA PERIOD OF RECORO: 78-87 MONTI-: FEB HOURS(LSTI: 0900-1100 CEILING 8ISIB1LT IN SIAIIJIE MILES IN I GE E i[ GE GE SC GE GE GE GE GL GE GE GE GE GE FEET 1 10 6 5 4 3 2 112 2 1 1/2 11/4 1 3/4 i/8 12 5/16 114 0...,...,....,...............,,........,..,.,....,.......,,........,,,,,...... NO CEIL I 47.4 53.9 57.6 54. 55.4 55.b 55.7 55.9 56.0 56.1 56.1 56.1 56.1 56.1 56.1 56.1 GE 200o1o0 49.6 53.8 55.9 57.2 58.9 59.0 59.1 59.3 59.5 59.8 59.8 59.8 59.9 59.9 59.9 59.9 GE 180001 49.8 53.6 55.9 97.2 58.9 59.0 59.1 59.3 sr.5 9 R.A 59.8 9.8 59.9 59.9 59.9 59.9 LE RC00 49.8 53.8 55.9 57.2 58.9 59.3 59.1 59.3 59.5 59.8 59.8 59.8 59.9 59.9 59.9 59.9 be 140001 58.7 56.9 6j.3 62.8 64.7 69.8 bs.0 652 65.7 65.7 65.7 65.8 65.8 65.8 65.8 GE I 2UOI 56.3 60.4 67.? 64.3 66.2 66.3 66.5 66.8 66.9 67.3 67.3 67.3 67.4 67.4 b7.4 67.4 GE IOL0 57.1 61.3 63.8 65.2 67.1 67.3 67.5 67.7 67.8 69.2 b6.2 68.2 6A.3 68.3 8.3 66.3 6E 93204 571 61.3 65.s 65.2 67.1 67.3 67.5 67.7 67.8 68.2 68.2 68. 68.3 68.3 68.3 66.3 UE 80D) 57.3 61.7 64.2 65.b 67.5 67.6 67.8 68.1 68.2 68.6 b8.6 68.6 68.7 68.7 68.7 66.7 GE 73004 57.3 61.7 64.2 65.6 67.5 68.0 68.2 68.4 68.6 68.9 8,.9 68.9 69.0 69.j 69.0 69.0 GE 6000) 57.6 61.9 64.4 65.6 67.7 68.2 68.4 68.7 68.8 69.1 6Q.1 69.1 69.3 69.3 69.3 69.3 GE SC00 5P.7 63.4 65.8 67.3 69.1 69.6 69.9 70.1 70.2 79.6 70.6 70.6 70.7 70.7 70.7 70.7 GE 4 00 b 9.? 64.2 65.s 68.3 70.2 70.7 70.9 71.2 71.3 71.6 71.6 71.6 71.7 71.7 71.7 71.7 GE 40CO 59.9 65.1 67.7 69.3 71.2 71.6 71.9 72.1 72.2 72.6 72.6 72.6 72.7 72.7 12.7 72.7 GE 35(il 61.3 66.b 69.4 71.0 72.9 73.4 73.6 73.9 74.0 74.3 74.3 74.3 74.5 74.5 74.5 74.5 G1E scsi 62., 70.2 7131o 74.9 77.0 77.4 77.9 78.1 78.3 78.6 78.6 78.6 78.7 78.7 78.7 78.7 GE 25uc0 63.1 72.2 75.3 77.2 79.3 79.8 80.3 80.5 80.6 81.0 d.0 81.0 81.1 81.1 81.1 81.1 GE 20034 64.7 73.9 71.7 79.8 82.4 82.9 83.8 84.0 64.2 84.6 84.6 84.6 84.8 84.8 84.8 84.8 GE 19U3 64.8 74.2 73.3 80.5 87.1 83.6 84.5 84.8 84.9 85.3 85.3 85.3 85.5 95.5 85.5 85.5 GE 150n1 65.7 76.2 6].9 83.2 86.2 86.6 87.6 87.8 87.9 88.4 88.4 88.4 88.5 88.5 B8.5 88.5 GE 12001 b 0 I6 I.u 8I.7 84.4 87.8 88.4 89.8 90.4 90.5 91.0 91.0 91.0 91.1 91.1 91.1 91.I IE lo0 66.2 71., 81.9 84.6 88.8 89.4 90.8 91.5 91.6 92.1 92.1 92.1 92.2 92.2 92.2 92.2 GE 9C00 66.2 71.3 87.3 85.0 89.1 89.7 91.1 92.2 92.3 92.8 92.8 92.8 92.9 92.9 92.9 92.9 GE 800) 66.2 77.4 8?.3 85.5 89.d 90.5 92.4 93.5 936 94.1 94.1 94.1 94.2 94.2 94.2 94.2 u.c 700) 66.2 17.9 82.9 85.7 90.4 91.1 93.1 94.2 94.3 94.8 94.9 94.8 94.9 94.9 94.9 94.9 GE 60 66.2 17.4 8.5 85.8 90.7 91.5 93.7 94.9 95.0 95.5 95.5 95.5 95.6 95.6 95.6 95.6 I.E 5001 66.2 77.5 62.9 86.4 91.4 92.2 94.7 96.2 96.3 97.3 97.3 97.3 97.4 97.4 97.4 97.4 GE 4C0 1 66.7 77.5 63.3 86.6 91.6 92.4 95.3 96.9 97.0 98.1 98.1 98.1 98.2 98.2 98.2 98.2 al 5001 66.2 77.5 83.u 86.8 92.9 92.8 95.9 97.8 97.9 98.9 98.9 98.9 99.1 99.1 99.1 99.1 ie 2jO 1 66.2 77.5 67.7 86.8 92.0 92.8 95.9 97.8 97.9 99.2 99.4 99.4 99.6 99. 6 99.8 99.8 ue IdOl 66.2 17.S Od.0 86.8 92.0 92.8 95.9 97.8 97.9 9q.2 99.4 99.4 99.8 99.8 100.0 100.0 GE n) 66.2 71.5 61.3 86.8 92.0 92.8 95.9 97.8 97.9 9O.2 99.4 99.4 99.8 99.8 100.3 100.0 TOTAL NUMBER OF OBSE3VAII)N5: 846 IL
=V GLOBAL CLIMATOLOGY BkANCF PERCENTAGE FREQUCNCY OF GCC'JliENCL OF CEILING VERSUS VISIBILITY usafetac FROM HOUiLY OBSERVAT13NS AIR WEAT-ER SERVICE/MAC STATION NUMBER: 7228b6 STATION NAME: VAN NUYS CA PEPIOD OF RECORD: 18-87 MONTH: FEB HOURSILSTI: 12o0-140O CEILING VISIRILITY IN SIALJTF MILES IN I GE GE 5E GE GE GE GI GE GE GE G G[C GE GE GE pe FEET 10 5 4 S 21f2 2 1 L/2 1 1/4 L /,4 S8 l? S1lb 1/4 0 NO CEIL 1 45.7 2.b 51.4 52.1 54.C 54.1 54.6 54. b S 54.6. 54.6 54.6 54.6 54.6 54.6 54.b GE 200001 50.7 56.6 b7.9 59.2 60.8 b0.9 61.5 61.5 61.5 61.5 61.0 61.5 61.5 61.5 61.5 61.5 G 10001 50.7 56.6 5. 59.2 60.8 60.9 61.5 61.5 t1.5 61.5 51. 61.5 61.5 61.5 bl.5 61.5 GE 160001 50.7 00.6 57.8 59.2 60.8 60.9 61.5 61.5 b1.5 61.5 61.5 61.5 61.5 61.5 61.5 61.5 GE lreoi 5.8 62.3 63.6 65.2 67.1 67.3 68.2 68.2 68.2 68.2 bp.2 68.2 68.2 68.2 68.2 68.2 GE 12,0a1 56.6 63.1 64.4 66.1 68. ' 6b.1 69.0 69.6 69.0 69.3 69.0 69.0 69.0 69.0 69.0 69.0 GE 1OUr 1 57.3 60.6 G5.1 66.8 69.1 69.3 70.4 70.4 70.4 73.4 79.4 70.4 70.4 70.4 70.4 70.4 GE 90U0 57.3 1,6.b.1 66.8 69.1 69.3 7 70.4 T0.4 73.4 70.4 70.4 73.4 70,4 70.4 T0.4 ue 8000 57.4 63.9 65.2 66.9 69.3 69.4 70.6 70. ( 70.6 73.6 73.6 70.6 73.6 70.6 70.6 70.6 ue 7000 57.6 64.1 65.4 67.3 69.4 9. 7 70.9 10.9 70.9 70.9 TO.9 70.9 70.9 70.9 70.9 70.9 GE 0 07.8 64.3 64.6 67.3 69.b 7G.0 11.2 71.2 11.2 71.2 71.2 71.2 71.2 71.2 11.2 71.2 LE 5000 59.s 66.b 673 68.9 71.3 71.6 72.8 72.8 72.8 12.8 72. 8 72 72.8 72.8 72.8 72.8 te 4500 60*5 67.U 63.3 70.3 723 72. 7 73 9 73.9 13.9 73.9 73.9 73.9 70.9 73.9 73.9 70.9 GE 40001 61.3 66.4. 71.4 73.8 14.1 75.3 75.3 75.3 75.3 75.3 75.3 75.3 75.3 75.3 75.3 GE 35 uf 1 63.7 71.0 72.5 74.3 76.7 77.1 78.3 78.3 78.3 78.3 78.3 78.3 78.3 78.3 78.3 78.3 GE 30001 67.7 75.3 71.1 79.3 61.3 82.2 83.5 83.5 83.5 93.5 83.5 83.5 83.5 83.5 83.5 83.5 GE 2900 6.7 76.0 73.9 82.5 85.1 85.s 66.8 86.8 66.8 86.8 86.8 86. 86.A 8.8 86.8 86.6 GE 2V C0 71.6 82.b 82.7 8 5.6 68.8 89. 1 90.5 90.5 90.5 90.5 90.5 90.5 93.5 90.5 90.5 90.5 GE 18 00 71.6 81.1 63.2 86.1 89.4 89.7 91.1 91.1 91.1 91.1 91.1 91.1 91.1 91.1 91.1 91.1 C 0 1500 72.1 81.9 34.4 87.9 91.5 91.8 93.3 93.3 93.3 93.3 93.3 93.3 93.3 93.3 93.3 93.3 fe 120 72.6 63.L 6.7 89.4 93.4 93.7 95.3 95. 095.3 95.4 95.4 95.4 95.4 95.4 95.4 95.4 GE 1000 72.6 83.2 6,.3 90.1 94.2 94.6 96.3 96.3 46.3 96.5 96.5 96.5 96.5 96.5 96.5 96.5 GE 900 72.6 3.2 85.3 93.1 94.3 4. 7 96.1 96.8 96.8 96.9 96.9 96.9 96.9 46.9 96.9 98.9 GE 800 72.6 83.3 d7.j 90.8 95.0 95. 4 97.4 97.5 97.5 97.6 97.6 97.6 97.6 97.6 97.6 97.6 GE 701 T3.3 12.6 h.1 90.8 95.2 95.6 97.9 98.0 98.0 98.1 98.1 9.1 98.1 98.1 48.1 98.1 GE t6l 72.6 83.3 61.o 93.8 95.2 95.6 98.2 98.5 98.5 98.6 98.6 98.6 98.6 98.6 98.6 96.6 GE 01 72.6 4 5 87.1 9.9 95.4 95.9 98.7 99.1 99.2 99.3 99.3 99.3 99.3 99.3 99.3 49.3 GE 4UO 77.L P3.5 1.1 90.09 95.0 96.0 98.8 99.4 99.5 9Q.6 99.6 99.6 99.6 99.6 99.6 99.6 be 1in 72.6 63.0 61.1 90.9 95.5 96.0 98.8 99.6 99.8 99.9 99.9 99.9 99.9 99.9 99.9 99.9 (E 2 IJ 1 72.6 a3.4.7.1 90.9 95.0 96.0 98.8 99.6 99.8 1(3.0 100.0 100.0 100.0 100.0 100.0 100.0 oe lo1 72.6 93.5.7.1 90.9 95.5 96.1 98.8 99.b 99.8 10.0 100. 100.0. 100.0 100.0 100.0 100.0 GE So 77,.6 83. d 7.1 93.9 95.5 96.3 98 99.69 99.8 IO.0 100.0 100, 100.0 100.3 100.0 100.0...... TOTAL NUMBER OF CBSE688 lidns : 846
4014 6LOtAL CLIMAIOLOY HRANCH PEOCENTAG[ F8CwUENCY OF OCCJRQLNLL OF CEILING VERSUS VI1S16LITY LSAFET AC FROM OU'LY OdSERVATIONS AIR 6EATIER SERVICL/MAC STATION NUMLR; 72/8b STA7110 NAME; VAN NUYS CA PERIOU OF RECORD: 78-87 MONTH: FEb HOURSILSTI: 1 5 O0-1 7 0 0 CEILING 81518l1T IN STATUTE.ILES IN I (,E GE le OF GE 63 GE GO GE GE El GE A0 GE GE GE FELl 1 61 6 5 9 3 2 1/2 2 112 11 1 3/4 5/8 1/2 '/16 1/4 0...,...,,.........,,,,...,...,,,,*......,....,...,...,...,,...,,,....,.,........... NO CEIL 1 46.7 1J.l D.9 52.0 53.2 53.2 53.3 53.3 53.1 53.3 53.3 53.3 53.3 53.3 53.3 53.3 GE 200001 53.7 57.6 5,.7 63.4 61.6 61.8 62.3 62.3 62.3 62.3 62.3 62.3 62.3 62.3.2.3 62.3 uc 163001 15.7 57.6 53.7 63.4 61.8 61.8 62.3 62.3 52.3 62.3 62.3 b2.3 62.3 62.3 62.3 b2.3 6E lb00 53.7 57,L 5,.? 63.4 61.8 61.8 62.3 62.3 62.3 62.3 62.3 62.3 62.3 62.3 62.3 62.3 GE 14CG0 I 58.5 63.1 64.4 66.4 68.2 68.2 68.7 68.7 68.7 68.7 68.7 68.7 68.7 68.7 8.? 66.7 GE 1/cOoG 59.3 63.9 b5.2 67.3 69.0 69.3 69.5 69.5 69.5 69.5 69.5 69.5 69.5 69.5 69.5 69.5 GE 100001 61.2 66." 67.7 69.9 72.1 72.1 72.6 72.t 72.6 72.6 72.6 72.6 72.6 72.6 72.6 72.b GE 90 01 61.3 (6.1 67. 73.0 72.2 72.2 72.7 72. 32.7 72.7 12.7 72.7 72.7 7Z,7 72.7 72.7 GE 8C001 I.5 C6.2 b.[ 70.1 72.3 72.3 72.8 72.8 72.8 72.8 72.8 72.8 72.8 72.9 72.4 7c.8 GE 73001 61.6 66.3 b3.1 73.2 72.6 72.6 73.0 73.0 73.0 73.0 73.0 73.0 73.0 73.3 73.0 73.0 G E n0 01 61. 9 66.9 6,.7 73.8 73.2 73.2 73.6 13.6 73.6 73.6 73.b 73.6 73.6 73.6 73.6 73.6 GE 5!0OI 63.0 ta.l 3g.7 71.9 74.2 74.2 74.7 74.7 74.7 74.7 74.7 74.7 74.7 74.7 74.7 74.7 GE 4,001 63.9 68.9 7. 7 72.8 75.2 75.2 75.7 75.7 75.7 75.7 75.7 75.7 75.7 75.7 75.7 75.7 ue 4CD I b.1 71., 71.3 75.4 77.8 77.8 78.3 78.3 78.3 78.3 78.3 78.3 78.3 78.3 78.3 78.3 GE 3503 6 F.9 74.b 75.0 79.0 81.83 1.3 81.8 81.8 81.8 91.8 81.8 81.8 81.8 81.8 a1.8 61.8 GE 3OOGO1 71.5 77.S a3.3 82.2 84.6 84.6 85.2 85.2 d5.2 85.2 85.2 85.2 d5.2 85.2 85.2 85.2 GE 25001 73.6 81.0 83.5 85.7 88.3 88.5 89.1 89.1 89.1 89.1 89.1 89.1 89.1 89.1 89.1 89.1 GE 2l00 74.7 82.11 5.5 88.3 91.1 91.4 92.1 92.1 92.1 92.1 97.1 92.1 92.1 92.1 92.1 92.1 GO I6001 75.1 63.2 ; H.9 89.0 91.8 92.1 92.8 92.8 92.8 92.8 92.8 92.8 92.8 92.8 92.8 92.8 GE 15OG 75.4 83. bs.6 93.1 93.0 93.3 94.1 94.1 94.1 94.1 94.1 94.1 94.1 94.1 94.1 94.1 GE 12UD0 75.7 64.4 87.2 90.8 93.7 94.1 94.9 94.9 94.9 99.9 94.9 94.9 94.9 94.9 94.9 94.9 GE 101 75. P 5.2 i 7.S 91.4 94.3 94. 95.5 95.7 95.7 95.7 95.7 95.7 95.7 95.7 95.7 95.7 GE gi 75.8 85.1 T7.9 91.5 94.7 95.a 96.0 96.3 9.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 te 8001 75.8 85., 8.1 92.0 95.5 95.9 97.2 97.8 97.8 97.8 97.8 97.8 97.8 97.8 97.8 97.8 GE 7001 75.8 Rt. 2 d.1 92.0 95.9 96.2 97.5 98.2 98.2 98.5 98.r 98.5 98.6 98.5 98.5 98.5 GE 6001 75.8 85.2 9,.1 92.1 96.. 91.7 98.0 98.8 98.8 99., 99.1 99.1 99.1 99.1 99.1 99.1 GE 5O1 75. 8 5.2 83.2 92.2 96.3 9b.b 98.1 99.3 99.3 99.5 99.5 99.5 99.5 99.5 99.5 99.5 GE 4001 75.9 8t.2 89.2 92.2 96.3 96.9 98.2 99.5 99.5 99.8 99.8 99.8 99.8 99.8 99.8 99.8 GE 3001 75.8 85.2 d9.2 92.2 96.3 97.0 98.3 99.6 99.6 103.0 1000) 100.0 100.0 IO.3 100.0 100.0 E 2001 75.8 85.2 d?.2 92.2 96.3 97.0 98.3 99.6 99.6 IC0.0 100.0 100.0 100.0 100.3 100.0 130.0 Gf 1001 75.9 85. 8. 2 92.2 96.3 97.0 98.3 99.6 99.6 103.0 7o.0 n 0 10.0 103.30 100.0 10.0 GE r1 75.8 85.2 69.7 92.2 96.3 97.3 98.3 99.6 99.6 10,.0 100.0 lo0.o 103.0 7 0.2 100.0 100.0 TOTAL NUMBER OF OSEkVAT13N5. 846
GLOBAL CLIIAIOLOUY BkAN PEkCENTASE F6 QUENCy O F OCCUPRLNCE OF CEILING VERSUS VISIBILITY UAFErAC FROM OU9LLy OBSERVATIONS AIR 4FAIHE6 SERVICL/MIC STATION NUMBLR: 726tb liaion NAME: VAN NUYS CA PELOG OF PECORD: 73-97 MONT-: FEb OUR5(LSTI: IB0-23p3 C IL I ISI ILIIV IN STATUTE MILES IN I GE LE 3E SE GE G GE Gr GE GE GL ue GL E L Li FEET I 10 E S 4 2 112 2 1 1 /2 11/4 1 1/4 5/8 It? S/I1 1/4.. *.......................... * **.,,., *.*.......,............................................................ N0 CEIL 1 51.5 5,.S3 1S5. 57.4 51.9 "a.3 5b.6 58.6 58.6 19.6 8.0 S8.b SV. b,b. b 98.b. UE 200091 57.6 1.7 67.j 64.4 65.1 65.5 66.0 66.0 b6. U 6.0 b6.0 66.0 bb.3 66.D tb.j L. GE 180001 57.6 61.7 63.3 64.4 65.1 65.5 66.0 66.0 bb.0 6b. 66.21 66.0 66.9 66., bb.3 bt.u GE 16['00 57.6 61.7 L.j 6.4 65.1 b5.5 66.0 66.0 6.0 66.0 b6.2 6 b b. 6.0 66.u t6.3 6. u 14000 b2.6 67.5 69.3 70. 11.6 72.0 72.5 72.5 72.5 72.5 72.5 72.6. 5 72.6 72.5 72.5 GE 120jo 63.1 f8., G.5.1. 72.1 72.5 72.9 72.9 12.9 72.9 7. 9 72.9 72.9 7!.9 72.9 72.9 GE 100001 64.1 9.1 73.9 73.a 74.1 74.5 79.9 14.9 74.9 74.9 74.9 74.8 14.9 74. 9 4.9 7.9 te 90031 64.1 69.1 73.9 73.3 74.1 74.5 74.9 74.9 74.9 74.9 74.9 74.9 74.9 74.9 74.9 76.9 GE 80U0 64.4 69.5 71, 73.4 74, 74.6 75.1 75.3 75.3 J75. 75.7 75.1 75.1 7 s.? 7.? 761 GE 700 64.5 b.1 71.4 73.5 74. 74.9 75.4 75.94 75.4 75..4 76.4 76.4 75.4 7S.4 75.4 76.4 GE 600O 64.6 69.6 71.4 73.5 74.6 74.9 75.4 75. 4 7 7 '.4 75.4 75.4 75.4 7. q I.4 LE 50001 6,.4 7J.8 7?.6 74.7 75.3 76.1 76.6 7b.b 76.6 76. 6 76.t 76.6 76.6 7b.b 76.6 7t. G F 01 66.7 72. 74.1 76.2 77.3 77.1 78.1 78.1 78.1 78. 78. 1 7V.1 78.1 78.1 7, 1 7b.7 be 4U001 67.7 73.9 7,.7 77.8 79.8 79.2 79.7 79.7 19.7 79.7 79.7 79.7 79.7 79.7 79.7 79.7 GE 3600 68.7 75.3 77.2 79.3 80.4 90.7 81.7 1.2 61.2 97.2 a.? 81.2 81.2 PI. h 1. 8 1.2 CE 3U00 70.7 7d.7 61.1 83.3 84.4 84.8 85.2 95. z 85.2 8.2 d5.2 85.2 Vs.? H5.2 El.2 65.2 ule 2'd9 71.2 H3. 3 2.9 85. 3 86.4 9b. 87.2 91.2 97.2 87.2 87.2 9.2 87.2 97.2 7, 87.2 GE 200 0 72. n 2. -. 87.6 88. 89.1 84.6 99.6 89.6 99.6 9.6 89.6 89.6 89.6 99.6 8, GE 130 1 72.7 62.9 9G.5 88.1 89.2 89. 6 90.1 90.1 90.1 90.1 90.1 90.1 90.1 90.1 90.1 9J.1 OE 16001 73.6 84.3 86.9 89.6 90.9 91.4 91.8 91. 91.8 91.b 91.9 91.9 91.9 41.6 91.8 91.8 UE 12001 7.P 62. 87.7 90.8 92.1 92.7 93.1 93.1 93.1 93.1 97.1 91.1 91.1 93.1 9.1 93.I UE I2001 73.A 85.5.3.5 91.7 93.0 93. 6 94.1 94. 1 94.1 94.1 94.1 94.1 94.1 94.1 94.1 94.1 GE 9001 71.8 85.6 89.3 92.2 93.7 94. 3 95.2 95.2 95.2 95.2 96.2 96.2 95.2 5.2 45.2 96.2 "C 8001 73.8 85.9 e9.l 92.4 94.1 94.9 95.9 95.9 95.9 9s.9 95.9 95.9 95.9 95.9 95.9 96.9 GE 7001 73.8 85.9 01.2 93.0 94.8 95.5 97.0 97.3 97.3 97.3 97.3 97.3 97.3 97.1 97.3 97.3 GE 6 11 73.9 8.1 99.b 93.5 95.5 9b.2 97.9 98.2 98.2 98.2 94.2 98 9.2 9.2 98.2 98.Z I I 001 73.8 76.1 93.3 94.1 96.2 96.9 98.9 99. 4.5 99.5 49.5 99.6 49.5 99.5 49.5 99.5 9.5 GE 4001 77.9 96.1 93.0 94.1 96.5 97.2 99.3 99.9 99.9 93.9 99.9 99.9 99.9 99.9 99.9 99.9 se 300 73.8 b.1 91.0 94.2 96.6 97.3 99.4 100.0 1 00.0 103.0 100.2 r 00.0 100.0 I Pu.0 I20. 10.0 GE 200 13.8 H.1 93.3 94.2 96.6 97.3 99.4 100.0 130.0 110.0 1O.0) 1O0.0 100.0 103.0 100.0 I00.0 GE 11tin 1 73.4 P.1 93.3 94.2 9.6 97 3 99.4 100.0 160.0 I3.0 133.0 100.0 130.0 103.0 103.0 100.0 GE qi 73.8 86.1 1.3 94.2 96.6 97.3 99.4 100..00. [n. I0.0 100.0 10.0 100.0 100.0 100.0 7O7AL NUMBER Of UBSERVA T3NS: 846,Jt,_
'a"' ULoAL CLMAICL0OY BWAN(H P3i CFIJTA5,[ fg>.,jenc Of..CLJ69162 of C IILINL& VF8SuS VISIBILITYr L SAF-E AC I F WOM GL'ILY Gd L PV ATTONS AIR W'ATCR SEwVIC /MAC S1A1IO NUMVL: 72Z8b STAT[ ON N! : VAN NUYS CA P(P[03O OF P.COPO: 78-87 MONTH: Fib HOURS(LSTI 11500-1700 CEILING I BILJITY IN CHIuT! ILLS, It. I (,E GF SE GF CF G CE 62 GF E GL G[ GE EF GE GE FELl 1 6 r H 2 12 2 1 11 2 1 1 /4 1 3/4 S/8 1/12 C '21 1/4 0.. ".......... '*........ ' *.''............................................................................. NJ CCIL I G. 7 1. W 12 5 3.J.,3,. 3 s. 53.1 3S. 3 515.1 5. 5 3.1.1 53.3.4 2035101 C5.7 Cl. b,7 62.4 61.8 62.3 21.8 bo. Z 23 162., s?:1,2.3,2:3 62.31 62.3,[oL 1S 3 3j i.7 t7.b 53./ 63. 61.8 1S,8 62.3 62.] 62.3 62.. 6 2.3 u?.i 62.3 Ut 16L223 53.3 1-t 53.3 63.4 61.8 L1.Ib b3 62.3 62.3 62.7 62.3 b2. 62.3 62.3, *L 62.3 LE C Ol 5.5 3.1. 64.. 6b4 68.28,,.7 8.7,6.7 6821 68.1 68.3 68.1 68.7 6.7 b.3 It IZr331 59.3. T,.2 67.3 69.- u93 69.5 69.5 b.5 69.C S 9., 69.5 69.5 3.' 9.S 69.b.1 lcju 1 t" 61 6, 63.7 69.1 12.1 12.1 32.6 7I.t 32.6 72.6 1. 1216 72.6 72.6 72. 172.6 T 9QI 61.' t,u u ls 7. 72.2 12.2?27 72.7 Z2.7 72.7 12.1 32.7 72.1 7 72.3 32.7 ul 8 %.0.. 6.2, 73.1 72.s 72.3 72. 8 72.8 72.8 72.4 1.8 7.8 32.8 72. 3 72.8 72.8 A I 'A 6 16 6 b..l 73.2 726 72 6 733 733.0 3.0 733. 31.0 73.. 7.3 33.3 33.3 33.3 uil ti 1.9 6.. 7 7..d S3. 73. 2 73.6 33.6 13.6 73 b T 3.6 7 3.6 ].b 73.6 73.6 ul,flj 611t.3!.. ul.? 71.9 74.2 /4.2 74.7 74.7 74.7 7147 74.7 3.7 74. 7 74.7 74.7 75.7 t WL,., 1 1'.4 3f.p 7,.8 75.2 75.2 75 7 75.7 5 75.7 75.7 75.7 75.7 75.7 75.7 75.1 1E Hf oil,. 3&.t 31.3 75.4 77.8 78 78 3 78.3 78.3 74.3 7R. 783 78.3 78.3 78.3 78. " I% 1 t. 3. 4.1., 79.3 61.7 61.3 81.8 81.8 81.8 91.8 81.8 81. 81.8 81.8 31.8 63.8 A 1 31., 33. ol.] 2.2 86 66 d 85.2 d522 85.2 85.2 86.2 85.2 85.2 8B.2 65.2 85.2 Ut,' o6l 7.b I.. 3!.c 95,. 8 6.5 84.3 89,1 81.1 89.1 9.1 89.1 89.1 69.1 89.1 / 1 ; 4 b 7,, 1. 91 I 9l 4 92. 92. 92, 92 1 92. 92. 92. 92, 92, 42. 6L IR 37.1 5. r.. 89.0 91.8 92.1 92.8 8 9 92.8 92.6 42.8 92.8 92.8 42.8 42.8 92.8 [ r., h.. :3., 93.1 93. 97.3 99.1 9. 1 94.1 94.1 94.1 94.1 94.1 94.1 94.1 94.1 u t lo 7',. o,. 03.2 90.8 43.1 941 999 94.9 4 94.4 949 949 949 94.9 44.9 944. U II 75.6 99. 01.9 13 91.' 94.3 94.7 95.5 95.3 95.7 95.7 9. 7 95.7 95.7 95.7 45.7 95.7 UF Dl 15.9 73.A 9.I 91.5 94.1 95.0 96,0 96.3 96.3 96.3 96.3 96.3 963 96.3 96.3 96.3 ' l 3 5.,9.1 42.3 45.5 96.9 97.2 91.8 97.8 97 8 97 9 97.8 97.8 97.8 97.8 A! 730I 35.6 t., 71.1 92.0 95.9 96.2 97.5 98.2 99.2 98.5 98.5 98.5 99.5 98.5 98.5 98.5 u 1 6 I 3.8 9. d 1. 92.1 96... 96.7 98.0 98.8 98.8 H4.j 99.1 99 1 99.1 99.1 99.1 99.1 bue -01 7 '1, d. 92.2 96.3 91.6 qs.i 94.3 44.3 4 s.5 99.5 94.5 94.5 99.5 99.5 995 uf 4031 75.9 Pt.2 89.2 92.2 96.3 96.4 98.2 49.5 44.5 998 99' 998 998 99.8 99.8 99.8 U[ 304 1.8 8l. 2 69. 92. 2 96.3 97.3 98.3 99.6 99.6 1i.0 IOn. IU.0 1o.0 100. 100. 0 1D.D I 3".8I 7 2 g 2.2 96.3 97.0 98.3 99.6 99.6 1039.0 1o3.0 100.0 100.0 IOo.U 100.0 130.0 Ut 1:1(31 75. 9.2 bi.3 92.2 q6-97.3 98.3 9 94.6 130.0 1o0.3 10. 0 100.0 1 3 IU00.D 100.0 LE ) 35.p 4b.2.3.2 92.2 96.1 97.3 98.3 99.6 49.b 10.0 100.0 100.0 100.0 100.0 100.0 100.0 TOTAL NUMB R OF 0,S 8kVT13NS: 946
GLOBAL CLIMAfOLOy BRAND- USAFETAC AIR weather SERVICE/MAC PERCENTAGE FR7QUENcY OF OCCJRPENCE OF CEILING 9'RSLS VISIBILITY FROM HOUtLY OSERVATIONS STATION NUMBER: 722886 STATION NAME: VA 4 NUYS CA PE1IOU CF RECOPO: 78-87 Mr- 4 TH: FF, HOURSILSTI: 2 0c-2303 CEILING 9I181BL139 TN SIATUTE MiLES IN I GL GE 3E GE GE G- GE GE GE GE G 1,4 3 E GE GE Gf FELT I GO 6 5 ' 4 2 1t2 1 1/2 1 1/4 1 '/4 5/8 1 / r/il 1/4 u NO CEIL 1 53.2 '8.4 62.7 61.1 62.2 62.2 62.1 62.3 b2.3 62.3 6'.3 62.1 62.3 62.3 6,.3 t2.3 GE 200001 58. 63. 65.3 67.7 68.5 68.6 6A.7 68.7 68.7 63.7,c.7 64.3 I 9.7 68.7 6-.7 6.7 GE 18000c 5A., 63.8 65.3 67.7 69.5 68.6 68.7 68.7 68.7 69.7 5,.7 69. 68.7 68.7 64.7 6,7 UE lbl:01l 58.5 63.0 65.3 67.7 64.6 68.6 68.7 68.7 68.7 64.7 6-.? 68.7 68.7 68.7 6F.7 66.7 GE 14 ru) 61.4 67.8 73.3 72.1 77.9 72.9 73.0 73.0 73.0 73.0 71.' 73.7 73.0 73.3 73.J 73.j GE 12P01 61.7 68.1 7.5 72.4 73.3 73.3 73.4 73.4 73.4 73.4 7'.4 73.4 73.4 73.4 73.q 73.4 GE 100001 67.4 C8.9 71.3 3.S 74.', 74.5 74.6 74.6 74.6 74.6 34.6 74.6 74.6 74.b 7N.6 74.6 6E 9.001 62.4 68.9 71.1 73.5 74.6 74.5 74.6 74.6 74.6 74.6 74.6 74.6 74.6 74.6 74.6 74.b Gr 8"0 62.Q 69.4 71.8 74.0 75.3 75. 75.1 75.1 75.1 75.1 76.1 75.1 76.1 75.1 75.1 76.1 GE 7ra 1 62.9 69.4 71.4 74.0 76.3 15.0 15.6 7.1 76.1 76.,1 7 1 7.1 76.1 75.1 76.1 76.1 GE b0 1 63.4 69.9 72.3 74.5 75. 75.5 75.6 75.6 75.6 76.6 7.6 75.6 75.6 76.6 76.6 75.6 G E 5U0 64.1 707. 73.4 75.6 76.S 76.5 76.7 76.7 76.7 76.7 76.7 76.7 76.7 l6.7 76.7 I8t 7 6E 4 607 65.4 7Z.8 75.q 77.b 78. 6 78.6 78.7 78.7 78.7 7.7 74*7 78.7 78.7 78.7 74.7 76.7 GE 431Gn 65.9 73.3 75.1 78.2 79.3 79.3 79.4 79.4 79.4 79.4 7.4 79.4 7. 4 79.4 79.4 79.4 GE 3100ol 66.6 74.4 77.3 79. 6 80.7 80.7 80.8 80.8 83. 8 87.8.8 47.4 41.8.. 6a.4 6q9.4 G E 000 6q. 1 77.0( 37.2 A2.5 8'.b 93.6 83.7 83.7 83.7 91. 7 4.7 43.7 83.7 A3.7 83.7 4j.7 GE 2100 6A.6 78.5 31.9 84.2 8.2 85.2 85.4 85.4 86.8 A5.4 9. 45.4 96.4 45. 4 86,.4 AS. be 2P001 b4.r 81.1 9.6 87.1 88.4 8. 4 88.6 88.6 88.6 88.6 84.6 88.6 89.6 48.6 84.6 b.6 GE 1800 7.! 81.6 56.1 87.6 8. 9 g8.9 89.1 89. 1 89.1 89.1 1. 1 A9.1 89.1 9.j 89.1 9.! CE 16100 70. 82.7 8.6 89.2 90.6 90.6 90.8 90.8 404 93.8 90. 8 90.8 99.8 90.8 90.9 9C.6 GE 1,001 70.7 84.3 49.3 q1.1 92., 92.5 92.7 92.7 92.7 2.7 10.7 q,.7 92.7 92.7 92.7 92.? GE 139001 70.7 894.5 8.5 91.3 92.7 92.7 99.0 93.0 93. 0 93.0 9,., 93.0 93.3 93.0 93.0 93.0 6E LU 70.7 84.4 49.4 91.7 96.2 q3.2 9!.7 93.7 93.7 q3. 9'.7 93.1 93.7 93.7 93.7 3. 7 GE 4001 70.7 8.0 49.. 92.6 94.3 94.3 94.8 94.8 94.A 4.8 94.Q 94.8 94.8 94.8 94.8 4. GE 701 70.9 85.1 89.b 93.1 94.7 94.9 95.S 95.5 96.6 4.6 496 9. 5 96.5 05.5 95.5 9s. GF 6UO 73.9 5.2 41.9 93.5 96.3 95.3 96.0 96.0 96.0 96.0 9.0 9b.0 96.0 qb.0 96.0 9b. G E U01 70.9 85.2 91.0 93.6 96.1 16.3 97.6 97.7 97. 7 91.7 97.7 97.7 97.7 97.7 97.7 97.7 GF 4LCr 70. 85.4 97.1 94.0 96.7 96.9 98.5 98.9 98.9 P4.9 9.,9 Qq.9 98.9 98.9 98.9 48.9 GE 3001 70.9 45.4 97.! 94.0 97.0 97.2 99.3 99.8 99.8 q9.8 9g. 8 99.8 99.8 99.8 9Q.8 99.8 GF 7001 70.0 85. 4 93.1 94.7 97.3 97.2 99.3 100.0 100.0 113.0 170.7 133.0 ID 01. 1.7 107.3 1O.0 be 101 70.9 46.4 93.1 94.0 97.- 97.2 99.3 100.0 100.0 177.3 l3.3 100.0 107.0 100.0 103.7 100.0 GF r1 70.9 8549 93.1 94., 97.1D 97. 2 99.3 100.0 100.0 100.0 13. 100.0 10.0 100.0 100.0 170.0...,.,..,,...,.,,,,,....,..,...,,.....,.,,.,,..,,...,..,,.................,.,,.,.,..,.,.,,,,,,...,.,,.. TOTAL NL'MBER OF ORSF8VATI3N: 827
GLOBAL CLIMATOLOGY BRANCH USAFETAC AIR WEAT HER SERVICE/MAC PEHCLNTAGE FREQUENCY Or OCCURRENCE OF CEILIN', V R9US AISIR1LITy FROM HOURLY OBSERVATIONS STATION NLMRLT: 722986 STATION NAME: VAN NLYS CA IEpIO Of 7E CORD: TV7-R m 7N1I: FEF -3L951L9I: ALL CEILING VISIRILITY IN SYATUTE MILES, i I GE L I,[ G E G G E G GE GE le,e ie ALE FELT I nf 6 5 4 2 1 1 112 1 1/N 1 /" /8 1/2 9/16 1/4 U,......,.....,.......,.,,.................,....,...,... NO CElL 1 89.1 9.1 54.6 55.7 S6.9 6.9 57.1 57.2 57.2 '7. 1. 1 97.3 57.! 97.3 51,' 47.3 be LOUCO 93.9 59.4 63.1 61.4 62.6 62.9 63.2 63.3 63. Y63. 63.4 63.4 63.4 63.4 6'.4 63. (if 183001 S3.9 98.4 67.1 61.4 62. 62.9 63.2 63.3 633 63.4 6!." Q 6.4 63.4 91,.4 63.4 53.4 GE 160C91 53.9 9.4 63.1 61.4 62., 62.9 63.2 63.3 63.3 65.4 5 I, 63.4 63.4 63.4 by.4 67.4 6 E 14 O 1 59.7r (3.1 65,. 65. b 6, 6.82 68.7 68.7 69.8 609 6q 1-8.8 69.'. 68.9 6A.9 8.9 GEf 1201 58.A 63.6 61 7 67.4 69.9 69.3 69N. 69.5 69.5 69.6.btt 69.6 69.6 69.6 69.6 69.0 ) uf I00 60.0 65.2 67.2 690 70.9 70.9 71.4 71.4 71.5 7I.6 11.6 '1.6 71.6 71.6 71.6 71.6 ue 900311 60.0 65.2 6T.2 69.3 7 7,. 9 71.4 71.5 71.5 71.6 71. b 716 1j.6 71.6 71.6 71.6 GF 32001 6C,3 65.6 67.6 64.4 71.2 71.3 71.8 71.8 71.9 72.0 7'.' 72.0 72.3 72.0 72.0 72.0 GE 7)021 60.4 65.T 671. 69.5 71. 71.5 T2.0 72.1 72.1 72.2 1',' 72.2 72.2 72.2 2.2 712.2 GE 63011 60.6 65.9 63.2 69.7 71.6 71.8 72.2 72.3 T2.3 72.5 72. 1 7.5 72.5 72.5 72.5 72.5 GE 50001 61.7 67.2 6?.3 71.1 72.9 73,1 73.6 73.7 1I.7 73. 8 71.9 3.8 73.8 73.8 738 73.9 6E 45001 62.6 68.4 73.5 72.3 74.1 1.3 74.8 74.9 TV.9 75.0 79. 7S.0 75.0 75.0 1,.3 7S.I be NrOOI 63.7 69.8 71.9 73.7 75.5 75.7 76.2 76.3 76.3 76.5 79.9 75.5 76.5 7b.5 76.5 76.5 GE 35031 65.3n 71.7 13.9 75.8 77.7 77.9 79.4 7 78.5 7.6 7'.6 79.6 70.6 286 78.6 78.6 G6E 33001 67.2 74.9 71.5 79.5 81.9 31.7 82. 3 82.1 82.4 82.5 all. '2.5 82.5 92.5 82.5 R2.S 9 UE 2, 00 68.4 76.9 73.6 81.8 83.8 84. 0 84.7 88.7 8.8 P4.9 84.9 84.9 84.9 P4.9 8Q. 84.9 I.E 2000 1 69.6 79.I t?.2 84. 86.9 87.1 87.9 88.0 88.0 p8.2 8.A2. 99.2 89.2 88.2 88.2 86.2 GE 1907i 69.8 79.5 8.b 85.1 67, 87.7 88.4 88.5 88.5 88.7 8n.1 '9.7 89.7 98.7 88.7 '8.7 GF I5109I 7o.5 93.6 84.2 86.9 89.4 89.7 935s 90.6 93.6 93.7 90.7 90.7 93.8 O.8 90.8 9D.1 GE 12001 70.7 91.7 85.2 88.2 90.9 91.2 92.1 92.1 92.4 92,5 9'. 92. 5 92.5 92.5 92. 92,.6 SE lv00l 7C.8 92.1 95.B 89.8 91.6. 92.1 93.1 93.4 93.4 93.6 83.6 93.6 93.6 936 93.6 '3.6 SF 92o1 77.8 92.3 856,, s9.1 92.2 92.5 93.7 94.3 94.31 94.2 94.2 94.2 94.3 4.3 94.3 96.3 GE MDIII 70. 82,.4 85.3 89.6 92.8 93.2 94.7 99. 3 95.2 95.3 91.3 95.7 95.3 95.3 9,.3 9.6 be 7001 70.8 P2.4 8.4 Pl9.8 93.2 93.7 9K.4 95.9 95.9 96.1 99.1 Q6.1 96.1 96.1 96.3 9b.I 6GE 60l 70.8 92.5 85.5 93.3 93, 94.3 95.9 96.5 96.6 96.8 9.9 96,. 96.8 96.8 96.8 96.B GE 501 70.8 A82.5 85.7 90.3 94.3 94.5 96.8 97.6 97.7 93.0 99.0 96.0 98.3 98.0 98.0 Q8. BE 4CO 70.9 82.5 85.7 90. 94.2 94.7 97.2 98.3 98.2 93.6 9P,6 98.6 98.7 98.7 98.7 91.7 GIE 30]01 23.8 82.5 85.7 91.94 9 94.4 95. 0 97.6 98.7 98.8 99.2 99.3 99.3 99.3 99.3 99.3 99.3 _ 20 10 73.P P2.5 85.3. 4 94.9 951. 97.7 98.9 98.9 '9.5 9q.6 99, 99. 7 99.7 9o.7 6 99.8 or tonl 70.9 92.5 86.7 90.4 QQ.L 95.0 97.7 98.9 98.9 99.5 9.6 99.6 99.7 99.7 99. 99.3 8 G 01 70.8 82.5 86.7 90.4 94.5 95.0 97.7 98.9 98.9 99.5 99,6 99.6 99.7 Q9.7 99.8 I CO.0....,..., I...............,,...................,,.,.................... -S T OTAL NU MeEP OF 08SEPV8 IIN: N 577
GLOBAL CLIMATOLOGY 88ANH PE6CENTAGL fr QUENCY OF OCCJRCENLC OF CFIt I l VF"'US VI'I ILITY USAFET AC FROM H031LY OSEPVATI045 AIR weather SEVICL/MAC STTION NUM0P: 722886 STATION NAME: VAN NLYS CA v I23 U "[COD: 78-81 -PETS: MAP I-OUPS(L"1): D300-0500 CEILING VIS11LITY IN STATUTE I IL IN I G[ E E SC GI GE GO GE GE GE GE 4 GE SC SC E SE r re T IF, 4 3 2 112 2 1 12 1 /4 1 '/1 8 1/2 % 15 1/ 0,.............................,.......,............................................,,....... N 0 CEI 48.4!2.4 53.2 54.3 54.8 54. 6 S4.) S4. 54.8 4.8 54.5 54.8 S4 A 14.8 54.o 54.H GE 26CO01 48.4 52.4 53.2 54.0 54.8 54.8 5.8 4.8 54.8 p 4. 8 5. 4.8 54.a N4.9 54.8 94.6 GE 18C0 1 48.4 '2.4 53.2 S4.3 54.b 34.8 58.8 54.8 54.8 4.E 54.3 q.8 54.q,4.4 54.8 54.8 GC 160O1 48R.4 52.4 53.2 S4. 0 4.0 p c4 4.8.8 48 54.P 44.4 54.8 '4.8 54.8 q.8 LE 14 00 49.2 5.0 5.8 55.6 56. 6.5 56.5 56. 5 6.5 S6. 6." 56.5 6.5.5 56.3 5t,.5 GE 12G 49.2 4.0 4.% a 5.6 6.s 6.5 56.5 6.5 6. 5. 6 55. 5.5 s.5 6.5 56.5 5. 5 GE I 0l0 50.8 8.1 59.9 5.7 61.3 61.1 61.3 61.3 61.3 61.3 61.3 61.3 61. 61. 3 61.3 61.3 se 9001 50.8 58.1 5.9 9.7 61.3 61.3 61.3 61.3 61.3 61.3 6l.i 61.3 61.3 61.3 61.3 61.1 C 8109 50. 8.1 5.9 59.7 61.3 61.3 61.3 61.3 6.1 61.3 61.3 61.3 61.3 61.3 61.3 51.3 7 GL ool 50.R 58.1 5.9 59.7 61.3 bl.3 61.3 61.3 61.3 61.3 61.3 61.3 61.3 61.3 61.3 51.3 GE 620) 0. 8.1 5.9 59.7 61.3 61.3 61.3 61.3 61.3 61.3 61.3 61.3 61.3 61.3 61.3 61.3 GE FS0 ) 52.4 59.7 6.5 61. 3 62.9 62.9 62.9 62. 9 62.0 62.4 62.9 62.9 62.4 62.4 62.9 62.9 be 4502 4.0 62.9 63.7 64.5 66.1 66.1 66.1 66.1 66.1 66.1 66.1 66.1 66.1 66.1 b6.1 66.1 CE 4000 55.6 66.1 66. 67.7 69.4 69.4 69.4 69.4 69.4 69.4 65.4 69.4 64.4 69:4,0.4 5.4 GE 3r00 57.3 64.5 61.4 7J.2 71.4 71.8 71.8 71.8 31.078 71 71.8 71. 8 71. 71.8 71. 71.8 GE 3700 ' 7.3 72.6 13.4 74.2 75.8 3.8 73.0 75.8 75.8 75.' 7' R 75.8 75.8 75.8 75.8 75.8 ue 5001 58.1 15.5 75.5 77.4 79.3 79.0 19.0 79.0 79.0 79.0 7. 11 79.0 79.0 79.0 79.0 79.2 6f 2300) Sq 78.2 81.5 42.3 04.7 84.7 84.7 84.7 84.7 84.7 84.7 3.7 884.7 R.7 94.7 04.7 ff 100) 5.4 78.2 81.5 92.3 84.7 84. 7 84..7 4.7 88.7 84.7 84.7 04.7 84 7 '4.7 GE 150) 60.5 03.9 87.9 88.0 91. 1 1.1 91.1 91. 1 81.1 qi-1 91.1 91.1 9.1. q1.1 91.I SF I1?u 60.5 84.7 84.7 89.5 93. 1 93.5 95 3.35 3.5 4353 9'.5 93.5 93.5 90.5?.5 3 [ IrO) 61.3 85.5 9.3 91.1 95.2 85.2 95.2 95.2 95.2 "5.2 9 5..2 95.z ps.2 9.2 1S.z (F on) 61.3 9.5 90.3 91.1 96.2 96.0 96.0 96.0 96.0 9).0 4.0 96.0 96.2 9b.0 96.9 56.0 G5 4 00 61.3 P6.7 91.1 91.9 96.9 96.0 96.8 96.8 46.8 9 6.8 9.8 96.8 46.8 96.8 96.8 96.6 F 709 61.3 86.3 91.1 91.9 98.4 98. 4 98.4 98.4 980.4 9.2 9.2 99.2 99.2 09.2 40.2 '4.2 GE 600 61.3 06.3 91.1 91.9 98.4 98.4 98.4 98.4 90.4 99.2 9.2 91?.2 99.2 99.2 9.2 g4.z bt sob 61.3 86.3 91.5 91. 98.4 98.4 99.2 99.2 99.2 1DD.0 10P.0 I0.0 100.0 1 0. 1320 12:.0 E 400) 61.3 p6.! 91.1 91.9 9P.4 98.4 99.2 99.2 998.2 1900 100.0 100..0 101. 100.3 1On0. loc.c fe '00 61.3 86.3 91.1 91. 98.4 98. q 9q.2 89.2 99.2 100.0 1jp0.0 Io.0 100.0 102.0 10f0.. 10.0 GE 200) 61.3 '6.3 91.1 91.9 98.4 98.4 9.2 99.2 100.0 100.0 1P0. 100.0. 10o.2 100.2 1 2.0 GE 1009 61.3 86.3 91.1 91.9 98.4 98.4 99.2 99.2 99.? 10o.0 10". 1c0.0 100.0 100.0 107.0 17O.G GE c n 61.3 I 6.3 91.1 91.9 98.4 98.4 99.2 99.2 99.2 I"0.0 11. ' I01.0 100.1 ICO.0 100.0 1O0....... ToTAL NUME 0 OF O48 EPVA113: 124 S6
LOBAL CLIMATOLOG BO GANCH PERCENIAGE FR-0UENCY OF OCCJRRENCE OF CEILING VF850, VISIBILITY USAFT AC FROM OUrLy OBSERVA7IONS AIR weatfep SERAICE/9AC STATION NUMPER: 7228R6 STATION NAME: VAN NUYS CA ERIO0 or lecopr: 79-87 ipiontf: m5 A 3 5TURSILZTl 36U-35[f EILI" G VISIRILITY IN STATUTE MILES IN I GE 5F So GE GE G GE GE GE GE,L 51 SE GE F L SE FEEI I 12 6 5 4 0 2 1(2 2 1 112 1 1/4 1 1/4 SIR 1/2 1/16 1/4 - NO CEIL I 47.2 49.6 51.2 51.5 50.8 53.9 5..5 54.6 54.6 04.9 56"." 5,.9 54.9 4.9 54.9 su.9 GE 200E00 4P.4 91.4 52.6 51.1 55.9 55.5 56.1 56.2 56.2 56.4 5.6 56.b 56.66 6.6 5.6.' L. io8n 48. 4 I S1.4 50.6 51.1 55.4 55.5 56.1 56.2 S6.2 '6.4 55.6.6 55.6 66, S 5..6 A b GE lc9 49.4 51.4 52.6 s3.1 55.4 55.5 56.1 56.2 56.2 s6.4 50.6 6.6 ' 56. 06.6 566 5, 6 GE 140OtI 49.9 01.4 55.3 5.6 5g..I 56.1 59,7 58.8 599 ; 9.1 51.2 0q.2 5.2 09.2 5. 0"." GE 120005 50.4 51.9 55.5 56.2 59.6 58.7 59.3 59.4 59.4 59. 7S 5..4. 6 5. 1.9..8. 59R,- 1001) U.1) 06.; 59.0 58.7 61.4 61.5 62.1 62.2 62,.2 2.5 65'.6 62.6 62, 6,6 b 6.5 GE 9 0 92.1.2 59.0 58A. 61.4 61.5 62.1 62.2 62.2 62.5 b6 62.6 62.6.f 62.9 66 5., GE 8R105 S2.2 6. 5339.1 58.8 61.s 61.6 62.3 62.5 62., 62.7, a 62.6 62.8 62.8.B 6. s?.9 UT 7'f)0J s 2.2,6.3 69.1 06.8 61.' 61.6 62.3 62.9 62.0 62.7 t.p 02.p b2.9 629, (,., 2. '.- G E 62i221 52. 06.I b 5 9.9 92 61. " 2.2 62.7 62.8 62.8 63.,1 6. 2 61.2 3.? E. (.," ' A 6202;1 5T.2 67,. 5-7 60.4 63.i 61.3 64.0 64.1 64. 644 6..4 64f5 64.9 64.5 0,f5 06.5 E 4 3 5 ' 94.6. 9.7 6.2 62.9 65.0 6 5.8 66.5 66.7 66.7 66.9 b'.0 67.C 67.' 67.3 67.2 67.J GE 40005 09.4 61.C 61.5 64.1 67.C 67.1 67.9 68.0 68.0 68.2 (,.4 69.4 69.4 69.4 69.4 E'.9 u f 31 UrI 56.? 62.1 6'4.7 65.5 69.2 68.4 69.1 69.2 69.2 69.4 6.6 5.(16 69.6 69. 6 t,.6.66 4 3220coS 99. 1,5. 5 67.7 68.8 71.6 I.7 72.4 72.6 72.6 72.8 7'.9 72-.9 72.9 7,, 72.9 7?.; 5I 2' ) I ' 9." 66.5 61.7 7.6 7O3.5 73.6 74.4 74.5 74.5 74.7 7T,. 74.8 74.8 74.8 74.9 7 4.- LE 202nI (0(." (9.4 74.4 76.2 79.1 79.2 82. 0 90.3 60.3 A0.5 B.6 92.6 90.6 90.6 8P.9 su.b GSE I1on2I 60. r 69.6 74.9 76.7 79.5 79.8 80.6 80.9 80 9 AR.1 84. 91 81.2 91.2 81.2 1.2 I, 1s 00 60.9 71.8 77.3 79.9 83.H 84.0 8s.0 85.2 8S.2 A 5.4 96,1 95,6 99.6 9.6b 60.6 5.6 (E 12in3 61.6 73.8 7?.3 92.3 7?1 R7. 6 8.7 98.9 89.9 99.2 49.' I RQ.T 89.3 89.9 9gq R 49.5 IE I'; Io 1 6?. 75.1 83.7 8.9 89.4 89.8 91.1 91.3 91.3 91.6 91.7 91.7 91.7 91.7 91.7 91.7 I' 90o1 62. 795.1 8.0 84.1 89.7 90.1 91,7 97.1 92.1 2.3 q2.4 q2.4 92.4 92.4 92.4 92.4 GE 020 6 2.1 75.5 81.1 84.6 92.6 1. 2 91.3 94.1 94.1 94.3 94 s 94.5 94.5 94. 5 94.5 9.5 GT 7o0 6, I 56b 81.3 84.8 90.4 91.5 93.6 94.6 94.6 95.2 96. 5.1 95.3 95 0.3 q 5.3 6( 6005 62.1 75.6 813 894.8 90.4 91.6 94.1 95.1 95.2 5.9 9.11 6l 96.0 96.3 96.0 96.0 GF 50)1 62. 75.6 81.3 85.2 91. 92.3 95.2 96.4 96. 907.4 47.9 97.5 97.5 97.5 97.5 97.5 6F 4001 62.1 75.6 1. 3 85.2 91.5 92.1 95.7 96.8 97.r 09.2 9. 9.3 99. 3 q8. 99.3 38.3 G.E lull 62.1 75.6 13. 3 R5. 91.6 92.4 95.4 96.9 9T.1 0#9. 9'.4 9B.4 9A9.9 99.8 9'.8 98.8 GE 2025 62.1 75.6 91.1 85.2 91.6 92.4 90.4 96.9 97.1 48.4 9.6 98.6 99.7 99.0 99.2 99. 2 GE ICOI1 62.1 75.6 81.1 5.2 91.6 92.4 so.4 96.9 97.1 p8.4 gp.6 98.6 99.3 99.0 99.1 Q9.5 1A 01 62.1 75.6 81.3 85.2 91.6 92.4 90.4 96.9 97,1 99.9 94.6 99 6 99.0 99.0 99.4 12. 0... T....,,.....,,... **.,,,:3.....,...,,,... *,.,,,...,,,,,... TOTL NUMRE[P DF Oq5S RV A 7 1 Z 141 : 4
GLOBAL CLIMATnLOGY 348ANC "ERCLN4TS[ FR>UENCY OF OCCJRENCE OF CEILISS V1RS145 VIslILITY LSAFETAC FROM HOU:1 018SERVAIONS AI! WEATIEP SFRVICE/M4AC STATION NUMER: 712286 STATION NAME: VAN NUYS CA E 1OF OF PE CORO: 78-47 8"61343: 1Ar HOUPSILSI: U '-1 I" CEILI G V415IPIL 14 STATUTE MILE' IN I GL SF SE 35 00 GE GE GE GE '5 3E SF. 3 >1 FEEI I I 30 5 4 2 1 2 2 i 1/2 1 1/4 3 '/' 5,6 / F/3', /' /4...........,......................,...,.........,..................................................... NO EIIL 1 41. 44.1 417 47.7 52. " 13. 5314 S 1.14 51.4 53.4 1.4 '3.4 514 K,. 1.14 GE 4C0000? 4 3.4 47.14 53.2 51.9 54. 54. 7 55.1 55.31 55. 1 5.1 5'.. I I 5. GE 341001 4 3.4 47.4 5.2 51.9 54. 54.1 55.3 55. 1 55.3 I 5.3 5. 1 be 160flO1 43.4 47.14 53. z 3.4 54.5 54.7 55. 1 55.1 55.1 55.3I. 5. I GE 1410531 45.3 r3u.4 53.5 55." )S. 3 'S.5 5.9 58.. 5.. $ R P '.., GE 121,001 45.' 3.6 53.4 $5.1 $1P.8 19.3 59.4 519.4 59.4 59.4 5.4 '4 59 U E 150OO 41-.8 52.L; 55.2 57. 3 60.; 60.4 60.4 60.9 60.9 63.9 '..I ). GE 9nr0I 4 F -P.1; 55.? 1 $7.3 60.2 60.4 b6.r 60.9 6 4.9 (3...9..9' GE 8G!0o 41.(0 $2.3 55.4 571, 60.4 6. b 61.0 b 1.1 b3.1 AII 61. 3. 1 I. II 3 3 GE 0001 41.1 r 2.3 55.4 $1.5 69.5 6(;.A 8 61.2 61.2 61.2 63.' I I. I. 1,. F 60200 41., 12.3 55.4 57.5 69.5 60.8 61.1 61.2 61.2 613.2 LI. I I I.z I GE 57 01 47.4 3. 0 56.2 58.4 61.4 61.6 61.9 62.0 b2. - 2.0 '. G E 4 E01 ri 4P. 1 53. 57.3 539. 5 62.' 62,. 8 6 3.31 673.2 6b3.2? 673.211 f I.3' 4 C00 41.'9 '4. 4 54.4 63., 6 3.1 6 3.49 64.2 64. 3 64.3 6,4.1 3.t4. 44 64.' 1 tf 35 I 51.? I.3 61.2 63.7 66. 66.7 67.0 67.3 b.3 1 6.1 '. '?.I t.37. 11.. 1.1 6 F 300G 511.5 62.4 65.6 69.3 12.? 2.4 72.7 72. 4 1. 172 2.8 3:.', 1.7. ',..4 7 6F 2,sI 5'. t 66.2 13.2 73.5 76.; 17.1 71.5 17.6 71.6 7.6 1T." 3.6 17.'. 3.5 17. 71. 5 2 0 L El 1.? 71.3 77.5 A3.2 8. q419 84.3 84.4 84.4 1.4.4 4 F4.4 14.1 '4.4 '4. SF l4:-? 631' 13.1 7q.2 8D.5 8.' 14.2 84.6 A4. 4 84 4.4.17 '.? 1 84.9 P 4. 17 44.1 4.1 13 15001 6 1.6 13.;, 81.6 84.31 88.. '6. 3 b6p. 7 88. 8 88R.8 P48.9.4 141. 4. q 1143 '6. R -j bf 120 j 62.3 14.5 8?.? A5.8 A9.1 95.8 91.3 91.5 91. 9 91. 1.' 91.5 "1.5 '..5 3.' GE 31 n LF: 62.6 74.8 82.8 46.5 91.u '.2 92.4 9. 143.3 13.93 I3.3 ''. 5.1 53.3 1'.! 4.3 L( F 0qo16".6 75.1 3 8.1. J 92. '3.4 94.4 44.4 94.9 '4. 414.y14.4 94.9 '14. 4 4 4. 4.. SE 4{71 62.l 75.4 83.6 87.4 43.3 94.4 96.1 96.4 9.9 91.0 y 7. I 17., 97.2 -,. j 41.3 3.. 1, 100O3 62.6 75.$ 83.o 87.7 9.4 94.9 4,.R 947. 97. 97.7 7.3 1Q7.? 7.7 147.1 47.1 41 G F60un 6;.7 5. S. 9.J 94. 9 3."1 95.4 97. 3 98.3 944 98.4.1*4 9s4.44 143.4 'b.4. 41.4 SF 5G 6.7 75.6 FJ4.1 88. 94.3 ')5.6 97.6 98. 4.8 94.3 99. 14.3 I? 109. 44.3 14. 411q.3 G1 4101 62.7 16.6 84. 1 8.3 94. 15.8 9.9 99. 99.5 994.9..9.4 99.9 4.9 14.4 44.9 3E 3U0 2.7 75.6 4. 1 88.3 4,. 95.8 98.0 99.1 995 94.9 14I.1 39.1 99.4 94.9 94.9 q141.9 1 23O? 62.1 15.6 84. 98.3 9r?1 75.8 94. 99.1 99.5 9?.9 1!". n I1) 3.3 T, 7 10. 13". I L 32. 1 3.0 E F 3531 62.1 15.6 84. 148.3 944. 95.8 94.0 99.3 44.94 99.4 1'",.]! I P,. 1' ). " 3". I. U I. '?). GL " 6".7 75.6 84.3 48.3 94." 95.8 9.0 99. 44.5 49.9 1r'.C'.1.f 1033.I I03. D 0-. I 0 1C.0,.,..................,...,.,..............,.........,............................................. o........... @" TOTAL NUM8 OF OPSERVa TI3NS3 430
ULO/AL CLIA1CLOGY BRANCH L SAFI T AC A18 flatvf-r S(pY1CE/"6C, PERCENTASE FVPUENCY OF OCCURRENCE or CILING VIRSUS VISIBILITY FROM POULY OBSERV8IONS S TA fin NUMRLO: 7,-229H STATICN NAME: VAN NUY CA rloicd OF R4COP: 78-47 M821TH: 'AF HOUS(LSTI: 127C-VC3.. III.l..................,... *oo. 81518vI 1117t0r.o*" IN STATUTE..... MILES o...,... o,* **... ". o............ 14 I 'E I F SC SE SI G CE SC GE Gc 'Et Gf G E r' EL EC FfII I I, 2 I12 1 /2 1 1/4 1 /4 5,/8 1 I/2 2 16 1/4.............................................................,.,o..o............................................... N" Cf IL I 44i6 '44.1 45.5 47.j 40, 44.1 48.2 48.2 48.2 48.2 40,7 Nd.2 48.2 46..". 47H.c F 4.J5n 1 7 " I.7.7 0.5 51. 1 5.S 52.5 52.0 S2.6 52,6 7Z. '1.6 52.b 52.6 S'2.b 52. 6 '. L I C,r 4?.T 7'CCI 4T.T 44., '1.1 52.4 S2.S 52.0 52.6 52.6 %.6.0.5 f2.5 57.5 s'. Sit, 52.2 6I l' I 4.7T 7.? I '1.1 52. ',2.5 52.6 52.6 52.6 5Z.6 S.6 (2.6 52.6 '2.6 52.. *.6 1 1,I 44.1 34 S2 ' 4.. 5 56.1 q.1 56.2 56.2 56.2 6.2 52 6.2 56.2 16.2 5h.2 S.:, I LPl1 44.4.. 1.4 55.3 57.? 5 I7.1 5 2 5.2 ST.2 T. 2 57. S7. 57.? STI.2 S.2 5. 1 f I 221 4G.4. Ir. 4.4 r56., 50q. S.3 R 58.4 58. 7 58.7 5 5,.7 R.7 58.T. 7 s SO.? 9 55.7 (C 9 r r1.4 I. '.4 b.s 58. I 5. 3 5q. 58. T 59. 54. 7 5.7 54.7 59 7 Cb.7 5Q.T7 b.7 u 8(7.r 44 4 C. 54.6 Sb?7 5..8.5 55.6 58.9 58.9 58.9. C.9 q5.9 590.9 18.1 50q. 5f'. 6 7"dI o 5.4 52"...4.6 Sb.1 7 8. ' 5r.5 q.6 58.9 68.0 54.9. 99 5.9 58.9 8.9 q.9 5H.9 f cg11 4(. 1. 2.. 1. 51.1 58. 5.. 9 59.'? 59.4 59.4 '9.4 S9.4 S. S.4.. 4 4 5. 4 7,f,.'1I 4 1.T. 54.'H 61.., 1 6 61.7 62.7 62..0 62.D 62.' " ". 62.1 f2.] Z.C 62.1 ' 47 I I '. 4 I. 4 6.4 "2. 6 64 Q.4 64. 4 64.5 64.8 64.8 64.8 61,. 6'4,8 64.0 64.9 64.9 6q. k ff 4 f, 'I --,' 2 61 6.1 66.5 69q.' 68.3 68.4 6. 68.7 69.T 6q.7 q.7 68.7 F8.T 68.7 f-.7 '10 i21 SPS 64b. t O.? 1.6 14.', 73.4 73.7 74. U 74.2 I..U 74.' T4.U T4.3 74.2 74.2 7'.. 3" 7c t7. 7 7?.o 4 I.7 83.7 03.1 8,8 84 1 841 84.1 f.t1 9. 84.1 04.1 84. 1 9.1 64.6 6' 9' 74.4 AT.? 05.7 87. 1.6 1.7 80.1 88.1 88.1 5'.I 04.1 88.1 80.1 46.1 S8.1 'C 2>22 TT.T p2.7 OS.? 805 Nl., 91.4 91.3 01.8 41.8 91.8 97.0 1 I,8 91.9 81. 1.4 1.5 I)7 107, 71.' F2,.1 85.4 09.7 91. '1.8 91.9 92.3 92. 92.? 92.8 42.3 02.3 9 2.T 02.3 p2.3, I'Ll)?, n 71." 0.- 'Kb 9I3 N'.4 'T.S 07.0.9 84.2 84.2 9.2 9.2 042.23 N, 94.2 94., SUO 171.7 "7.2 6 0.2 91.S 94.7 74. 6 94.93. 9S.3 9s.. 3 9.I 95.3 q96.7 07.3 (,T VCVI 71.7 97.7 04.] "J.~ q,i 46.3 96.7 97.0 47.0 QT.C 97. 0 927 07.2 07.3 07.1 01.2 641 71.7 84.1 94.4 46.9b 97.5 q7.8 97.8 7.6C 97,0 OT.8 97.8 97.8 07.8 07.8 h 22? 71.8 144 07.9 OI.i 46.7 97.1 98.4 98.7 98.? Q87 91,7 90.7 98.7 0897 9A.7 9.7 71.9 q 84.S 4fl R.9 9. 06.. 47.3 9A.7 99.2 90.2 9Z 9".2 9.2 99.2 40.2 99.2 99., 7, A 4 A8.9 938. 09.. 96 7.3 98.7 89.2 992.9.2 Q92 1.2 99.2 p!9.2 0,. 9.2 7,[ '711 1.8 84..1 49. ST. o7. 98.' 00.8 809.829.8 00.8 0'.9 'U9.8 99.8 '9,8 99. 452 71.9 14 8o,5 27.3 97.q '7.7 27.5 99 0 99. 99.8 9. 9 49 99.9 9. 9 4.9 99.4 7F 71.07 1] 94 9 09.09 97. 999 9.989.j 9.0 98.4 989 q499 90.9 9.9 99.9 90.9 4 '713 71.8 94,5 47.059.2 47.3 V7, 47.5 100.0 193.0 107.0 ICC? 1730.7 1 90.3 7 J.0 1 00 D J.L 01r 174?" 1I.' 94.5 9'] qt.m ot. 07.5 9.2 1 100. InO,] 11.C 100.0 101.0 120.0 100.0 10.0 6F 7.4.].] '4,' 97.5 97. 47,5 90.2 100.7 0.0 100.0 lo1.f 17)7.7 10.1.J 100.3 100.0 110.0....o..... o........... o... o... o...........,............. II )T AL NI'MP L D "rf OfRSF VA II)N, if,
GLOBAL CLIMATOLOGY RRANCH PERCENTAGE FREALENCY OF OCCURRENCE OF CEILI, VFSuS VIKBILITY UsAFEJAC FROM FOUTLY OBSERVATIONS AI WEAIHER SERVICE/MAC STATION NUMBER: 722P86 STATION NAME: VAN NUY CA P'El;; 0 Wpf CORD: 74-47 M].7I-: 83URSILST7: O 1500-ITJ......... ; ; ' ; ki; ;,... C1LIN VISIBILITY IN STATUTE 41115 IN I GL SE SE G E OE G GE G- SL GE rl ; S L r E LF FEET I 6 5 4 2 112 2 1 112 1 114 1 1/4 5/ it? 1/16 1/ 4 NO CEIL I 40.P 46.6 47.0 47.7 48.1 48.1 4S. 48.4 40.4 44.4 4-.4 45.4 48.4 48.4 48.4 4.. GE 20001 45.9 51,5 51.9 52.8 53.1 53.1 53.4 53. SN.4 53. 4 5.4 5 ' ST.N 5.4 55.4 5!.' GE 180001 4.9 51.5 51.9 52.8 03.1 53. 1 53.4 53. 4 53.4 53.4 5.4 53.4 53.4 3.4 53.4 53.4 6E 146001 45. 51.5 51.9 52.8 53.1 51. 5s.9 53.4 53.4 53.4 S'.4 53.4 53.4 53.4 55.4 53.u GE 14COO 41.8 54.4 S5.3 56.1 56., 56.6 56.9 56.9 56.9 6.9 5f..9 56.9 S6.9 56.3 56.3 5.5 GE 12009j 48.0 54.5 55.6 56.6 57.9 07.0 57.3 57.3 $ 7.3 57.3 57.3 57.3 57.5 57. 5.3 17.5 G6E 1000G 43.1 6.0 57.N 58.7 59.2 59.2 59.6 59.6 59.6 59.6 S f! 59. SN.6 59.6. E 659. GE 9uGO 48.2 56.A 57.5 54.4 59.N 59.4 59.7 59.7 59.7 59..7 5q. 59.7 59.7 59.7 59.7 5.1 GE 89001 50.0 57.0 54.4 59.9 60. 60.05 4.9 60.9 60.9 6j.9 6'.9 6:5.9 69.4 60.9 u). 9 65. SE 7(iDO I S0. 57.3 54.7 63.2 6'. 63,9 61.2 61.2 61.2 61.2 (,. 1.2 61.2 61.? 61.1 61.2 GE 6P0 1 50.4 57.5 5?.3 63.5 61.2 61.2 61.5 61.5 61.S 61.S5 61r 61.5 61.5 61.5 bi.5 51.5 GE 50001 52.Q 60.2 61.0 63.3 64.L 64.D 64.3 64.3 64. 3 64.3 (1.5 64.3 64.5 tq.3 w.,3 b4.3 G0 45001 58.1 65.6 67.2 64.7 69.4 69.4 69.7 69. 7 68.7 64.7 6Q. 64.7 69.7 69.7 69.7 69.7 r,e 4 '1 61.' 64.9 13.5 72.3 7?.T 12.7 730.0 73.0 73.0 73.0 7.3, 73.5 73. 73.3 75.3 73.0 GE 35001 66.6 74.4 75.1 77.6 78.3 78.0 78.6 78.6 78.6 78.6 79.6 74.6 79.6 78.6 7'-.6 78.6 GE 39001 73.A 82.0 84.3 85.8 86.6 46.6 86. 9 86.9 46.9 R 6. 9 R0 R,.9 96.1 Rb.1 06.9 5.9 CF 2'001 75.7 84.0 85.7 80.4 89. 89.2 89.6 89.6 89.6 P9.6 8R. q 89. 6 84. 89.6 8Q.6 q9,( GE 2'01 76.2 8b.3 89.3 91.3 91.8 91.8 92.2 92.2 92.2 92.2 9. 92. 9.2 92.2 92.2 92.2 LE I8on1 76.5 46.7 80.7 91.7 42.7 92. 7 93.0 93.0 93.0 93.0 9'.c 53.0 83.0 43.3 93.0 9.0 GE IvOO 76.5 7.6 91.9 93.1 94.2 94.5 94.8 94.4 4.4 448 94.' 4. 8 44.4 Q4.8 94.8 94.6 GE 12001 76. 94.5 91.8 94.1 95.6 95.9 96.5 96.5 96.5 46.5 9.5 96.5 95.5 06.5 96.5 9.5 GE 12091 77.4 89.4 9.9 95.2 96.7 97.0 97.6 97.6 97.6 976.6 9T.6 97.4 97.6 97.5 97.6 Q7.6 GE 9004 77.4 49.4 93.1 95.5 97.3 97.6 94.3 98.3 98.3 43.3 9. 98.3 9.3 98.3 98.3 98. 3 GE 95O1 77.4 99.5 93.2 95.8 97.7 98. 2 98.9 98.9 98.9 9.9 9n.9 98.9 9.9 98.9 9.9 18.9 SE 7091 77.4 89.5 93.2 95.8 97.7 98.2 99.0 99.0 99.0 "9. 1 99. 99.1 99.1 99.1 99.1 99.1 be 6091 77.4 9.5 93.2 95. 97.7 98. 2 9.1 9.1 94.1 44.2 99.2 44.2 99.2 "1. 2 9.2 ue sool 77.4 R9.5 93.2 95.9 97.9 98.4 9Q.6 99.8 99.8 99 9. 9 9 9 99.9 49.9 99.9 49.9 ue 40 77.4 9.5 93.2 45.9 97.q 98.4 99.6 99.8 99. 99 9.49 99.9 99.9 49.9 94 9 99.9 6E 3001 77.4 89.5 93.2 45.9 97.9 98.4 99.6 99.8 99.8 10D.0 109.7 100.0 103.0 100.3 10.0 193.0 GE I01 77.4 R9.5 93.2 95.9 97.9 98. 4 94.6 99.8 99.8 1r3.0 T0".9 190.0 130.0 I0.3 100.0 133.0 SE 1r1 77.4 19.5 93.2 95.9 97.8 98.4 99.6 99.8 99.8 1 0.0 13".o I3.0 1353 110.0 100.0 1.3 GE 71 77.4 89.5 93.2 95.9 97.4 98.4 99.6 99.8 99.8 100.0 t0.) 100.0 10O.9 100.0 107.0 193.0 total NUMRER OF OPSFRVA T13N: 930-4. mm m m m m m m.m.~ m m mmm
GLOBAL CLIMATOLOGY BRANCH PEkC[NTAG[ FVOUENC Of OCCURRENCE OF CEILIP4 Y'1.'A V IA9IEL1TT UsAFETAC FROM HOUOLY OBSERVATIONS AIR WEATHER SERVICE/MAC STATION NUMBER: 122986 STATION NAME: VAN NU YS CA FI D Of [0RO: 78-8 7 M'NH: 4A6 HOUQS(L'.1: 180 CE IEI19 VISIPIEITY IN STATUTE MIt... IN I GL GE,r GE 6E G GE GC GE L E " I F GE 07 Gt I f FEET I ID b 5 4 3 2 172 2 1 172 1 1/4 //16 1 '/9 SiV 1/2 1./ ],............... *,...*..,*,... *.**........ *......,........ NO CEIL 1 50.1 53.1 55.4 53.9 54, 54,.0 54.2 i4.2 54.2 54.2 5h.2 54.2 54.? 4.2 4.2 '.4 'E 20OOO1 53.5 57.4 57.7 58.4 58.6 58.b 54. 5..8 59.4 9.8 5p 5. tv.4 A.4 57.9.. CE 1g01 53.9 57.7 54.1 58.7 54. 5.9 59.1 S9. 1 59. 1 4.1I 5. I 0.1.59.1 19.1 S'..I I 6 E 16C01 5J.9 57.7 59 1 58.78 5. V. 9 S9. 5..1 59.1 59.1. 9.1 59.1 59.1 119.1 59.1 '9.1 55 14001 57.7 62.7 b3. 63.7 63.9 b3.9 64.1 64.1 64.1 64.1 54.1 f-.1 64.1 (,.1 5-1 '.4.1 GE 120001 57.R 62.8 b3.1 63.4 64.3 6.0 64.2 64.2 64.2 64.2 bv.4 64.. 64.2 4.? 54.2 t,1.2 GE 10l00 60.2 65.6 65.9 66.6 66.4 6b.8 67.0 67.0 67.0 67.0 67.? 67.0 67.0 61.J 67.0 5. 0 GE 4700 60.2 65.6 b S.9 66.6 66.4 66.8 b7.0 67.0 67.0 67.0 6. 67.0 67.? 67.3 t7.7 67.1J GE 8r00 61.! 66.7 67.2 67.8 68.1 68.1 64.3 64.3 68. 3 69. 6. 6,9.3 69.3 63.3 ba.3 63,.3 GE 70009 62.2 67.5 69.1 68.7 69.9 66.9 69.1 69.1 b9.1 69. 1. I b6. 1 69.1 69.1 69.1 c 9. be 60UO 62.4 64. 69.5 69.1 69.4 69.4 69.6 69.6 69.6 69.6 6g.6 69.6 69.6 60.6 t9.6 60.? GE 50009 64.7 70.5 71.1 71.9 72.2 72.3 72.5 72.5 12.5 72.5 7 72.5 72.5 72.5 72.5 72.5 GE 45009 67.1 73.I 73.7 74.5 74.6 74.9 75.2 75.2 75.2 75.2 7.2 75.2 75.. 2 7 7.2 IS.2 GE 4r,00 64.6 75.9 75.5 77.3 77.6 77.1 78.0 78.0 78.0 7.0 7-. 78.U 74.0 78. 7R.0 7a. GE 35009 71.4 78.Z 74.7 79.6 80.0 40.1 80.7 8 3 o. 80. p 90.1 B1.7 93.3 40.3 4o.43 A3 J.3 GE 30009 76.7 P3.5 84.3 85.2 85.b 95.7 85.9 85.4 85.9 85.9 8'.9 R S.9 85.9 45.9 8.9 85.9 GF 25U 7A., 85.6 85.9 87.7 88.Z 88.3 89.5 88.5 88.5 89.S 8.' F 84.5 84.5 8.5 88.5 96.5 GE 2"001 80.2 88.8 93.5 91.6 92.- 92.2 92.4 92.4 92.4 92.4 92,.4 92.4 92.4 92.4 92.4 02.4 GE Icc0 80.2 89.0 93.9 91.9 92.5 92 9, 8 92.8 92.8 92.8 9. 92.8 92. 92.8 92.8 9Z.9 (f 1 030 80.6 90.6 9.] 94. 3 95.1 95.3 9s.6 95.6 45.6 95.6 9'.6 95.b 95.6 95.b 95.5 95.b GE 1200c9 0.9 91.4 99.2 95.6 96.6 96.8 97.2 97.2 97.2 91.2 97.2 97.2 97.2 97.2 97.2 97.2 GE 10009 40.9 91.6 94.5 95.9 97.? 97.2 97.6 91.6 97.6 97.6 97.6 97.6 97.6 97.6 97.6 97.6 GE 9E09 80.9 1.7 98.7 96.3 97.5 97.7 9.4 98.4 98.A 98.4 99. 9 8.4 98.8 98.4 98.4 98.4 u E 4C 1 81.0 92.o 95.1 96.4 98.2 8.4 99.1 99.1 99.1 99. 1 99.1 99.1 99.1 49.1 99.1 99.I.E lo09 81.0 92.( 9,.? 96.9 94.4 98.b 99.4 99.4 99.4 99.4 9 99. 99.4 99.4 99.4 99.4 GE 6009 81.0 92.0 95.7 97.] 98.5 98.7 99.5 99.5 99.5 99.S 9g. 9 9. 99. 5 995 9. 49.5 bf '009 61., 92.t 95.2 97.1 98.7 98.9 99.7 99.8 99.8 99.8 99.9 99.8 99.9 99.8 99.8 49.8 1, 4Of9 81.r 92.c 95.2 97.3 98. 7 98.9 99.7 99.8 99.8 99.8 94.q 99.8 99.8 99.8 99.8 99.8 GE 3009 81.0 92.0 95.2 97.1 9.7 9. 99.8 99. 9.4 103.0 1c0. 1f)o. 100.0 100.0 10.0 100.0 (F?009 81.] 92. 95.2 97.3 98.7 4.9 99.8 99.9 99.4 IO.O o.0 100.0 1 100.0 100. 107.00 10.0 6E it19 41.0 92.0 95.2 97.0 9-.1 98.9 99.8 99.9 99.9 107.0 iv1.o 100.0 103.0 10.0 100.0 100.0 GE 0 8 1.0 92.r 96.2 97,3 94.7 98,9 99.8 99.9 99.9 100.0 1O0 100.0 100.0 1P.0 1U9.0 100.0 103 8L NLM8P OF OBSR VA105: 930-4
GLOBAL CLIMATOLOGY BRANCH USAFET AC AIR WEAT-ER SERVICE/MAC PERCENTASE FREQUENCY OF OCCURRENCE 0F CEILING VERSUS visibi.ity FROM HOURLY OBSERVATIONS STATION NLMPL: 722886 STATIN NAME: VAN NUYS CA PErIOD OF RECORD: 78-8 MONT-: MAP HOURS(LSTI: 2132-2300 CEILING 9ISIILIT IN STATUTE MILES IS I L G SE. G E GE G GEC GE GE GE GE 53 GE SE GE c E FET T I IE 5 4 2 112 2 1 112 11/4 1 'IN /8 112 /li6 1/4 j.......... o...........,...,..,...,......,......... o...,.,... NO C[IL 57.3 A1.9 6?.4 62.8 63.1 63.2 61.2 61.2 63.2 63.2 b.? 63.2 63.2 63.2 6.2 h3.; E 2 DOOO 59.1 64.4 6;.8 65.3 65.6 65.7 65.7 65.? 65.7 68.7 6.7 65.7 65.7 65.7 65.7 t.7 GE 18r01 9.1 64.4 65.0 65.3 65.6 65.7 65.? 65.7 65.7 65.7 b.7 bs.? 65.7 65.7 65.7 65.7 &F 1b6rl3 59.1 64.4 65.3 65.3 65.6 65.7 65.7 65.7 65.7 65.7 66.7 65.7 65.7 65.7 65.7 55.7 GE 1-U' 1 6P. P 67.4 63.j 68.1 68.7 68.8 68.8 68.8 68.8 68.8 6.8 68.6 68.q 6q.8 68R. 6. 5/ 120 EI 6.P 67.4 6.3 68.3 68.7 E8.8 68.8 69.8 68.8 68.8 6.p 68.8 69.p 68.8 6.8..68 6 1000011 62. 3 69.1 73.T 79.6 71.) 71. 1 71. 1.1 71.1 71.1 71.1 71. 71.I 71.1 71.1 71.1 6E 91001 62.3 69.7 73.1 70.6 71.3 11.1 71.1 71.1 71.1 71.1 71.1 71.1 71.1 71.1 71.1 71.1 o. 8Cu00 62.7 7J. 3 71 7. 71 71.6 71.7 71.7 71.7 71.7 71.7 71.7 71.7 71.7 71.7 71.7 11.7 6E 7Or'I 63.Q 71.3 77.3 72.3 7,. 72.7 72.7 72.7 72. 7 727 7.7 72.7 72.7 72.7 72.7 72.7 LE 6001 64.2 72.1 72.7 73. 2 73.5 73.6 73.6 73.6 73.6 73.6 7'.6 73.6 73.6 73.6 7'.6 73.b 6E 5C0 65.6 73.9 74.6 75.3 75.4 75.5 75.5 75.5 75.5 75.5 73. 15.5 75.5 75.5 75.5 75.5 GF 4'60I 68.5 77.2 78 4 79.0 79.3 79. 4 79.4 79.4 79.4 79.4 7,4 79.4 79.4 79.4 79. 79.4 fe 4000 1 69.2 78?a.1 7.?3 79.8 8so.2: 90.3 801.3 80. 3 80. 3 no.3 8.3! p1. 3 83.1 93R.3 6 C.3 Bu.3s GF 3300 70.5 RD.':.17 82.3 82. 6 82.7 8-,.7 82.7 82.7 82.1 8.7 82.7 82.7 R2.7 62.7 92.7 6F 3 0U0 73. I,u 85. 4 87. 87.3 87.4 87.4 87.4 87.8 8A7. 67.4 87.4 87.4 87.4 87.4 87.4,,F 25.,U 0 1,7q. 66.5 95.12 88.93 89.2 69. 3 89.3 89. 3 89.1 89.3 8'). 89. 3 89. 3-9. 3 89.35 99.3 GE 20(o1 75.1 98.2 93.3 90.9 91.2 91.3 91.3 91.3 91.3 91.3 91.3 91.3 91.3 QI.3 91.3 91,3 GE Lin1 7.' A8.7 93.9 91.5 91.4 92.0 92.0 92.0 92.0 92.0 9?.7 92.0 92.0 Q2.0 92.0 92.U GE fpo)1 76.1 9 4 j. 9.4 94.L 94.4 94.5 84.5 9 4.5 94.5 9q,5 94.5 99.5 94.5 Q4. 9.5 945 Gt ID201 76.5 91.9 95.2 95.9 96.3 96.4 96.4 96.4 96.4 96.4 95.4 96.4 96.4 96.4 96.4 96.4 GE 11C33 76.5 92.1 95.7 96.6 97.2 97.3 97.3 97.3 97.3 97.1 97.5 97.3 97.3 97.3 97.3 97,3 SE 9001 76.5 92.3 96.2 97.0 97.7 97.8 97.8 97.8 97.8 97.8 97.P 97.8 97.9 97 897.8 91. GE LAC) 76.5 92.3 95.? 97.2 97.9 8.0 98.5 98.5 98.5 g9.5 98.5 98.5 98.5 98.5 98.5 98.S G[ 700 76.C 92. 3 95.3 97.1 98., 98.4 "'.9 98.9 98.9 99.9 9.,. 99.9 98.9 98.9 99 9 96.9 GS 6o1 76, 92. 3 95 97.3 98., 98.6 9.2 99.2 99.2 99.2 99.7 09.2 99.2 99.7 99.2 99.2 SE :LO 76.5 92. 96.4 97.4 98.7 98.8 99.6 99.6 99.6 99.6 04.6 99.6 99.6 99.6 99.6 99.6 GE 4o31 76.5 92.7 96.4 97.4 98.7 98.8 99.6 99.6 99.6 99.6 99.6 99.6 99.6 99.6 99.6 99.6 E 300 76.5 92. 3 95.4 97.4 98.9 99.0 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 GE 230i 76.5 92.3 95.4 97.4 98.9 99.0 100.0 100.0 100.0 10j.0 10, 1000 100.0 100.0 100.0 130.0 GE I031 76.5 92.3 96.4 97.4 98.9 99.0 100.0 1 0 0. 0 103.0 113.0 101.f 100.0 100.0 100.0 100.0 100.0 GE I 1 76.5 92.3 96.4 97.4 98 ' 99.3 100.0 100.0 100.0 100.0 lo'.o 100.0 100.0 1 3 30 100.0 120.0 TOTAL NUMPL OF OPSFRVATIONS: 911 L. a..l -.....................................
40 GLOBAL CLIMATOLOGY BRANCH USAFETAC AIR WEATHER SERVICE/MAC PERCENTAGE FRRQUENCY OF OCCUPRENCE or CEILING VERSU5 V1IBILITY FROM POU4LY OBSERVATIONS STATION NUMBER: 722886 51ATION NAME: VAN NUyS CA PEPIOD OF RECORD: 78-87 MONT9 : MAR POURSILSOI: ALL CEILING VISIBILITY IN STATUTE MILES IN I GE GE 5E GE GE G- GE O GE GE E c o G E GE G L 0 FEET I 10 6 5 4 3 2 1t2 2 1 112 1 1/4 I 1/4 ;/6 112 S/16 1/4 L..........,.,..........,.,.,.,.,...,.....,.,...,.................,........,....... NO CEIL 1 46.1 50.1 51.1 52.0 53.3 53.0 SI.! 53.3 53.3 53.3 5.3 53.3 513. 53.1 53.3 53.3 GE 200001 48.8 53.3 54.5 55.4 56.6 56.6 56.9 56.9 56.9 56.9 57.0 57.0 57.0 57.0 J 17.0 57.2 GE 180001 48.9 53.3 54.S 55.5 56.6 567 56.9 57.0 51.0 57..7-b 57 n 51.9 7.3 57.3 57.. L GE 160001 4889 53.3 54.5 55.5 56.6 56.7 56.9 57.0 57.0 S7.0 S7.0 57.1; 57.0 57.a s 7.O 7. C GE 143031 50.9 56.4 57.9 58.9 60.2 60.3 60.5 60.5 60.5 63.6 62.6 63.6 60.6 60.6 62.6 58.6 GE 12f:00 51.1 56.6 58.2 59.3 60.6 60.7 60.9 61.0 61.0 61.0 61.r 61.0 61.0 61.7 61.3 61. GE 10000 52.6 58.6 63.2 61.4 62.8 62.8 63.1 63.2 60.2 63.2 6:.2 67.2 61.z 63.z 6'.2 3.2 GE 9000 52.6 58.6 63.2 61.4 62.8 62.9 63.1 63.2 63.2 61.2 6'.3 613.3 6S. 63.1 63.3 b1.1 GE 8E001 53.0 59.1 63.8 62.0 63.4 63.5 61.? 63.8 63.8 61.9 6'.9 3.9 61.9 63.9 b.9 63.9 GE 70001 53.! 59.4 61.1 62.3 63.8 63.9 64.1 64.Z 64.2 64.2 64.3 64.1 64.3 64.3 64.3 64.1 GE 69001 53.6 59.8 61.5 62.7 64.2 64.2 64.5 64.6 64.6 4.6 64.7 64.7 64.7 64.7 64.7 64.3 GE 5000 65.3 61.8 63.5 64.8 66.2 66.3 66.6 66.7 66.7 66. 7 66.1 65.1 66.7 66.7 67 66.7 GE 45001 57.7 64.5 655 67.8 69.3 69.4 69.7 69.8 69.8 69.8 6bR 69.6 69.8 19.8 69.6 69" GE 4G001 59.7 66.8 638 7.1 71.6 71. 71.9 02.0 72.0 72.1 7.1 72.1 72.1 72.1 72.1 72. GE 3,oC1 62.4 61.9 72.3 73.4 74.9 75.0 75.2 75.1 75.1 75.9 7.4 75.4 75.4 75.4?r.4 75. Or 1CO ) 67.3 75.7 78.2 79.6 81.2 81.3 81.5 81.6 61.6 Al.? E1.7 91.7 91.7 91.7 47.7 41.1 GE 2560 69.0 78.1 81.3 82.6 89.2 84.1 84.5 84.6 64.6 4.1 64.3 84.1 84.7 84.1 54.7 64.1 GE 2000 70.6 81.1 84.8 96.6 88.3 86.4 88.7 88.8 88.8 88.8 89.8-9. 88.9 88.8 6.8 99.8 GE 1800 70.7 81.4 85.3 7.1 88.3 RA,9 89. 89.1 89.1 89.4 A9.4 99.4 89. 4 A9.4 8. 4 Av.4 GE 15,00 71.1 82.9 87.3 89.5 91.6 91.8 92.2 92.3 92.3 92.3 97.1 92.3 92.3 92.1 97.3 2.I,E 1200 71.5 94.1 99.6 91.0 91.4 91.8 94.2 94.4 94.4 94.4 94.4 94.4 94.4 94.4 44.4 94.4 9 GE ICOO 71.8 P4-6 89.4 91.? 94.6 95.0 95.6 95.7 9S.7 95.8 96.8 S.8 9S.8 9S.8 95.4 A.p GE 9 00) 71.A 84.8 81.7 92.3 95.2 95.7 96.4 96.6 96.6 96.7 96,7 96.7 95.7 96.7 96.7?b.7 GE s0a) 71.8 S.3 93.0 92.6 95.8 96.3 97.9 97.7 97.7 97.8 97.8 97.8 97.4 91.4 97.8 97.A GE 70n 71.8 85.1 93.1 92.8 96.1 96.6 97.8 98.2 98.2 98.3 9.4 9R.4 99.4 98.4 9-.4 98.4 GE 600 71.9 95.1 93.1. 2.9 96.2 96.7 98.1 98.4 98.4 9P.6 9A.7 98.7 98.7 98.7 98.7 98. GE 3JO 1.8 85.1 93.2 93.0 96.4 97. 0 98.5 99.1 99.1 99.1 9.3 94.3 99.13 9.3 99.3 99.3 GE 400) 71.8 95.1 93.2 93.3 96.9 97.1 98.6 99.2 99.3 99.6 99.6 99.6 99.6 99.5 90.6 99.6 E 100) 71.8 85.1 91.2 93.9 96.5 97.1 98.7 99.3 99.4 99.7 94.7 99.7 99.9 99.4 99.4 98.6 i.e 2o0 71.8 86.1 93.2 93.D 96.5 97.1 9R.7 99.3 99.4 57.7 9-.q 99.R 99.9 99.9 99.9 98.9 GE 1001 71.8 85.1 93.2 91 96.5 97.1 98.7 99.3 99.8 99.7 99.8 99.8 99.9 99.9 99.9 99.9 GE 01 71.8 85.1 93.2 91.0 96.5 97 1 98.7 99.3 99.4 99.7 99.9 99.8 99.9 99.9 99.9 3:10.3 TOTAL NUMBER OF OpSRVATIONS: 598 C -4
GLObAL ECLIMAIOLOGY BRAN9- USAFETAC AIR WEATfER SERVICE/MAC PERCENTAGE FREQUENCY OF OCCJR9ENCE OF CEILING V4RUS VILIILITY FROM HOURLY O8SERVAITONS STATON NUMBER: 722886 STATION NAME: VA NUVS CA r'"io 01 GEC0PO: 79-8 395-87 MONTH: APR HOURJSILTI: 070-32 14 IVISIPILIT Y IN STATUTE MILE"" IEN E 5 E GE GE G: GE G- GE GE E Sr SE GE Li,i FEET i 10 6 S i 2 112 2 1 172 1 1/4 1 '/a 1/8 1/2 "/I. /4 *,...,.,. *........... *.*. *... *....... *....,.,.. *......,,,*.,*.....,.................. NO CEIL 51.5 61.2 61.9 61.9 67.4 63.4 64.2 64.2 64.2 U4.2 64.? 64.2 64.2 64.2 64.2 1., GE z2000o 51.5 61.2 61.9 61.9 63.4 63. 4 64.2 64.2 64.2 64.2 6".q 64.2 64.2 64.2 b4. f, k. GE 18000 51. 61.2 61.9 61.9 63.4 63. 4 64.2 64.2 64.2 64.2 64.2 64,2 64.2 64.2 64.2 S4.2 ie 160001 51.5 61.2 61.9 61.9 63.4 63. 4 64.2 64.2 64.2 64.2 64? 6,.2 b4., 64.2 a.? E4.? G E 1400G 52.2 62.7 b3.4 63.4 64.9 64.9 65.1 65.7 65.7 65.7 6 C,. 7 6S.7 65. 7 ES.? 66.7 1.1 GE 12COO 52.2 62.7 63.4 63.4 64.9 64.9 65.7 65.1 6S.7 65.7 6L.) 6LT 6I.3 S. 7 E.7 t,,7 GE 130001 52.2 62.7 63.4 63.4 64.9 64.9 65.7 65.7 65.7 65.7 6L.7 65.7 65.7 65.7 EL.7 L7 6E 90001 52.2 62.7 63.4 63.4 64.9 64.9 65.7 65.7 65.7 65.7 6'.7 6".7 b.7 65.7 1%.7 61.7 GE 80001 52.2 62.7 64.2 64.2 65.7 65.7 66.4 66. 4 66.4 66.4 56.4 66.4 65.4 66.4 b6.4 t6.4 GE 7ean 5z.z 62.3 64.2 64.2 65.7 65.7 66.4 66.4 66.4 66.4 66.4 66.4 66.4 6 6.4 66.4 6. 4 GF 6001 52.2 62.7 64.2 64.2 65.7 65.7 66.4 66.4 66.4 66.4 61.4 66.4 66.4 66. 4 b 4 't.4 GE 50001 53.7 64.2 65.7 65.7 67.2 67.2 67.9 67.9 67.9 61.9 67.9 67.9 67.9 67.9 67.9 7.4 GE 5001 54.5 65.7 62.2 62.2 68.7 68.7 69.4 69. 4 69.4 69.4 69. 61.4 64.4 9.4 69.4 b4. 4 GE 4000 56.7 68.7 71.1 7o.1 71.6 71.6 72.4 72.4 72.4 72.4 72.4 7.4 12.4 72.4 72.4 72.4 GE 391GO 57.5 70. 1 71.6 71.6 3.1 13. 1 7.9 73.9 73.9 73.9 71.4 73.9 7.9 711.9 71.9 7.9 GE 3000 57.5 70.9 72.4 72.4 73.9 73.9 74.6 74.6 74.6 74.6 764.6 74.6 74.6 74.6 14. l 74.6 GE 25 O 57.5 71.6 3.1 73.1 74.6 74.6 75.4 75.4 75.4 75.4 7'.4 76. 4 75.4 75.4 1'.a 75.4 be. 2i00 57.9 73.9 75.1 76.1 77.6 77.6 78.4 78.4 78.4 78.4 7q.4 79.4 79. 7A.4 79.4 76.4 GE 1A2o 5.' 73.9 75.? 76.9 79.1 79. 79.9 79.9 79.9 79..9 I 74.4 79.9 79.9 79.4 74.9 74.4 r GE IsuOl 57. 75.4 7?.9 80.6 82.8 d2.8 83.6 83.,68.6 83.,6 8V6 97.6 83.6 93.6 8'.6 '.6 GE 1201 5.2 77.6 82.1 83.6 85.6 e5.8 86.6 86.6 86.6 P6. 5 86.6 46.6 86.6 96.6 466 k6 6E 11l01 58.2 77.6 82.1 86.6 90.7 90.3 91.8 91.8 91.8 91.8 91.9 91.8 91.8 p1.8 91.8 91.k GF 9U01 5. 2 78.4 87.8 87.3 9 1.7 91.0 92.5 92.5 92.5 92.5 92., 92.5 92.5 92.5 92.5 ;. GE1 1 59i A. 2 78.4 87.8 88. 1 91.9 91.8a 93.3 93. 3 93. q 341.3 97.'1 9 3.3 913. 3 93.3 9'.73 7.7 ue 7001 59.2 78.4 8?.8 88.8 91.3 93.3 96.3 96. 3 96. 36.3 9. 9. 6. 96,.3 6.3 9h.3 6.1 GE 60]01 s9., 78.4 87.9 88.8 94.C 94.0 97.8 98.5 98.5 93.5 94.5 9q.5 99.5 Q8.5 9A.5 96.h GE c I DI 59. 78.4 87.8 88.8 94.0 94.0 99.3 100.0 100.0 100.0 IO".0 t00.0 100.0 1 o. 0 100.0 172.C E, F OI SA.2 78.4 8?'.9 48.8 94. '90. 99.3 100.0 100.0 100.0 i'.0 100.0 130.0 100.3 17l7.0 I a.0 I.f S 1ll 54.2 78.4 82.8 88.8 94.0 94.3 99.3 100.0 100.0 lo-,0 ID.O 10.0 10.0 I.) IUO.3 1:D.0 GE 22 0j 5R.2 78.4 82.6 88.8 94.D 94.0 99.3 100.0 100.0 100.0 0.0 103.0 100.0 1727.3 100.0 130.0,E I101 5A82 78.4 82. 9 88.8 94.u 94.0 99.3 100.0 100.0 102.]0 lo.0 l0a. 103.0 100.0 1o0.0 ID.0 1E 31 58.? 78.4 82.8 88.8 94,1 94.0 99.3 100.0 IJ0.0 100.0 l 0 7.17 101.0 100.0 100.0 IU7.0 130.3 TOTAE NUM9EI OF OBSERVATIONS: 13 4 S6
GLOdAL 9LIMA1OLOG 91RANCH PERCENTAGE freuuency OF OCCURRENCE OF CEILING VERSUS VISIBLITY LsAlILAC FROM HOURLY OBSERVATIONS AIR weat-ep SERVICE/MAC STAION NUM4ER: 722996 SIATION NAME: VAN NUYS CA PE1I00 OF PECORO: 78-87 M(NTH: APP HOUQS(LSI: 0600-3500 CEVILINGILT IN STATUTE MILES IN I GE G SE GE G E G- GE G GE GE GE GE G E GE SE S FEE? I j 'l 6 ) 4 3 o 112 1 112 1 1/4 1 7/4 5/ 1/2 /16 1/4 NO ClIL 4 AR.? 5.1 5.2 55.3 55.9 56.j 56.0 56.2 Sb.2 56.2 5',. 5,.2 56.2 56.2 56.2 5b, GE 2i 00s1' 5. 55 5 57.7 57.9 58.5 58.8 513.8 59.0 59.0 9.0 5,n 53.0 59.0 59.0 59.D 9.3 t, 18, 5o.4 SS. 5 7 57. $ 9 59.5 58.8 8 S 9.,O 59.0 119. D 5. 9.0 59. -) c9. 1 59.0 99. j O 6E 16301 52. 9 55.5 57.1 57.9 59.5 58.a 58.8 59.0 59.0 59.0 5.0 C 9. 0 59.9 99.3 59.0 ;,< L 142)001 51.0 57.d 63.3 63.2 61.3 61.2 61.2 61.S 61.5,61.5 6. 61.5 61.5 61.5 61.5,1.S,E I2Or1 5.0 50.9 a ].0 60.Z 31.J 61.z.1.2 61.5 6.5 61.5 b1.1. 61.5 61.5 61.5 61.5 '1 ' T 10,10', 1 57.9 58.9 61.1 61.3 62.1 62.3 62.3 62.7 62.7 62.1 62.7 62.7 62.7 62.7 b.7 S;. r t C 1) 1 53.9 58.9 61.1 61.3 62.1 62.3 62.3 62.7 62.7 62.7?.17 h2.7 6,.7 62.3 6.7 t..7 I ar 0 0 j 4.2 59.2 61.3 61.6 62.3 2.5 62.5 62.9 62.9 62.9 52.4 62.9 62.9 62.9 62.9 b,. ce 71'00 54.7 59.3 61s 61.7 62.4 62.3 62.7 63.0 63.0 63.0 6'. 61.0 63.0 63.3 t,.l 13.3 G.E t600 154.' 59.s 5.7 61.9 62.7 62.9 62.9 63.3 63.3 63.3 6.3 61.1 63.3 63.1 6'.3 63. 3 GE 504O 55.2 6 3.7 b?.9 63.2 63.9 64.1 64.1 64.5 64.5 64.5 5.. b4.5 b4.5 64.5 64.5.5.3 re 45O0(1 55.6 61.6 63.4 64.3 64.7 65.0 65.0 65.6 65.6 6S.6 61.6 65,6 65.6 65.6 65.6 65., r 06 1 (,6 62.7 65.3 65.2 65.9 66.2 66.2 66.9 66.8 66.8 6. bb.8 66.9 66.8 66-9 66.8 S.E 501 57.1 63.9 65.7 65.9 66.7 66.9 66.9 67.5 67.6 67.5 57T5 675 67.5 61.5 67.5 67.5 [ 3'1 59.0 65.6 69.7 69.2 69.9 70.2 70.3 70.9 10.9 70.9 7P.9 170.9 73.9 70.9 7r.9 7,.9 TE 2'004 60.5 68.1 71.3 72.9 73.2 73.5 73.6 74.2 74.2 74., 74.2 79.2 74.2 74.2 74.2 74.2,F zt)00 61.P 70.9 75.9 76.7 78.2 78.4 7.5 79.2 79.2 9.2 74.7 7q.2 79., 79.2 79.2 79.2 GE 1914 c 62.1 71.. 16.5 77.5 79.4.b 1.s 80.14 o 80.4 Q @1.4 8 1.4 83.4 9O.4 81.4 5.4 IE 15(34 6.7 73.tc 13.9 79.9 82.1 92.5 82.7 83.4 83.4 83.4 f.4 83.4 83.4 93.4 67.4 93.4 I5r 120(1 62.9 73.', 73.9 91.8 9s.2 S5. 3 85.8 86.5 86.5 96.5 a6.6 96.5 86.S 96.5 66.5 86.5 T 101601 62.9 73.1 93.5 93.2 97.) 87.9 89.1 89.9 89.9 91.9 89.9 99.9 89.9 99.9 89.9 89.9 f, E 9 u f2.9 73.7 93.7 83.3 87.9 99.2 90.4 91.5 91.5 91.5 91.5 91.5 91.5 1.5 9 1.5 91.5 1.F P04 b2.9 71.I 3.4 P3.4 8q.6 90.4 93.2 94.4 94.0 94.5 V4.5 9q.5 94.5 94.S 94.5 94.6 GE lool 62.9 73.1 93.9 93.5 89.' 90.9 91.8 95.0 95.0 95,3 91.7 95.3 95.3 9S.3 95.3 05.3 GE 60n 629 q.7 3.9 83.5 89.L 90.9 99.3 95.5 9%.5 46.0 96.0 96.0 9b.0 Q6.0 96.0 96.U IE I u 62.9 73.7 8.8 83.5 89.0 91.0 95.2 96.6 96.6 91.2 97.7 97.2 97.2 97.2 97.2 97.2 GE 4UO 62.9 73.7 8.8 3.6 89.1 91.2 95.5 97. 97.0 91.7 97.7 97.7 97.7 97.7 97.7 97.7 SE 7gO0 62.9 73.1 81.3 83.8 892 913 95.9 97. 97.3 99.4 98.7 99.7 98.7 98.7 98.7 98.7 of 2004 62.9 73.7 di13 83.8 89. 91.3 96.8 97.3 97.3 )8.4 9R.9 998. 98.9 98.8 98.9 98.9 be 1004 62.9 73.7 81.3 83.8 89.Z 9i.3 9S.8 97.3 97.3 99.9 99.9 99.8 99.9 98.9 99.3 99.4 GE 041 6a 73.7 8.0 13.9 89.2 91.3 95.8 97.3 97.3 98.4 99.9 99.8 99.2 99.2 99.5 100.0 TOTAL NUM[( OF ORSEQVA TINS: 9e5,- U
GLOBAL CLIMATOLOGY 9RANCH PERCENTASE FRGUENCY OF OCCJRYENCC OF CEILIN V'RSUS VISIBILITY USAFETAC FROM POULY OaSERVAIIONS AIR WEATHER SERVICE/MAC STATION NUMBLY: 722986 S1A11ON NAME: VA NUYS CA PE:PI0 of 6ECOVO: 7-A7-49T: APP HOuPSILSTI: 092o0-11Ci CEILING VISIBILITY IN STATUTE "ILL'... IN I GE GE SE 5E GE G" GL GE 5E GE FL F SEF [ G E GEr FELT I 10 5 4 1 2 1' 2 1 1/2 1 I 4 1 '/4,/ 1 /I '/16 1/4 U.,..,.,.....,,,.,....,...,,.,,....,,,,,,...,.,...,...,... NO C IL I 45.9 61.8 54.9 67.3 59.2 59. 4 59.8 59.8 59.8 69.8 59.9 1.9 59. R 9.V 59.9 r69.a GE 20001 4 7.3 4.2 51.7 59.B 62.4 62.0 6.Z 63.2 bt.2 6.3.2 b.' 63.2 63.? 63.2 63.2 3.2 GE LJOOl N7.Y 5.2 51.7 S9.8 62.4 62.8 63.2 63.2 63.2 63.2 63.2 63.2 60.2 53.2 63. b 3.2 GE 1600 1 47.7.?, 57.1 59.8 62.4 62,.8 63. 2 6T.2 b3.? 63.2 63,.2 6T.2 63.2 63.2 69.2 63.2 G.F 14C01 49.6 57.0 43.6 62.7 66.6 65.9 66.3 66.3 66.3 66.3 66. 663 b 66.9. 6. 3 Lb.9 6%. be 12Cor)I 49. t7.4 b 3.9 63.0 66.9 66. 66.1 66.7 66.1 66,.7 6..3 66.? 66.7 66.7 66.7 56,7 G E 100001 53.0 8.4 b2.3 64.1 67.2 67.3 67.8 67.8 67.8 67.8 6?. 4 67.8 67.V 61.3 t 1.9 67.h GE 9OoO5 0. 58.4 62.j 64.1 61.1 617. 67.8 67.8 67.8 67.8 57.9 67.V 67.9 67.9 67.8 67.8 GE 800 1 50.6 8.4 62.0 64.1 67.2 6l. 3 67.8 67.8 67.8 67.8 62.9 61.8 67.9 61.8 67.0 67.9 re 7ro 1 50.0 56.4 62.3 64.1 67.21 67.3 67.9 67.8 67. 61.8 67.8 1.8 67.A 67.6 67.. 67.0 6C 60001 i 0.8 59.b 62.1 64.2 67.1 67.4 67.9 67.9 67.9 67.9 67.9 67.9 b7.9 67.9 67.9 67.9 G E 5OJOl 51. 59.2 62.9 64.9 67.9 68.1 68.6 69.6 60.6 69.6 6.6 69.6 60.6 6.6 68p.6 59.b,F 45091 61.3 59.3 62.9 6S.3 67.9 68.2 68.7 68.7 68.7 68.7 6-.7 68.7 69.7 68.7 6'.7 66.7 GE 420O11 52.Q 61.1 64.7 66.8 69.7 To.3 7n.4 70. 4 70.4 70.4 7:. 4 70.4 73.4 70.4 70.4 l.4 LE 36001 4. 4 61.3 b.3 69.1 72.3 72.3 72.0 72.8 02.0 32.6 7.9 12.8 72.0 72.3 72.0 1i.9 G E 3 pis. 67.0 72.1 74. 77. 77 6 1.0 i0.0 78.0 70.0 7.0 73.0 79.3 70.3 78.3 7B.3 FE 2,00I 60.1 72.7 77.6 43.b 83.9 R4.2 8.7 89.7 84.7 74. e 94.7 99.7 34.7 4.7 84.7 84 7 be 20301 62.0 76.U 02.3 96.7 89.6 9(l.1 90.6 90.6 90.6 90.6 921.6 Q6 90.6 93.6 90.6 go.6 oe 17 3 62,9 76.1 82.1 06.3 90.3 90.6 91.0 91.0 91.0 91.0 91.0 9 1 0 91.2.. -1.0 91.3 91.0 GE 1uoI1 63.7 77.38 8.b 9.1 90.4 94.5 95.0 96.0 95.0 95.0 96,.2 9.0 96.3 95.3 95.0 95.3 GE 70:l 63.7 77.9 98.9 09..6 94.. 9s.6 96.2 96.2 96.2 96.2 06.2 96.2 96.7 O6.2 96.2 96.2 GE I:dl 63.7 79.2 5.2 9.: 96.2 97. 98.0 9. 90.2 8.2 98.2 93.7 9. 98.? 0.2 99.2 98.2 f I3131 6.7 78.2 95.2 90.0 96.3, 97.3 98.3 98.6 98.6 8.6 98.6 90.6 99.6 98.6 9..6 98.b SF 8601 61.7 78.2 85.2 93.0 96. 4 7. 7 98.9 99.1 99.1 99.3 9Q. 9 9 99..3 99.3 19.3 99.3 GE 7001 b3.7 70.2 46.2 93.0 96.4 97.7 99.0 99.2 99.2 93.4 90.4 94.4 99.8 99.4 9q. 99.4 Gr 6001 61.7 7.., 86.2 90.1 96.6 q7.8 99.1 99.3 99.3 99.L, 99.6 99.6 99.6 99.6 9-.6 99.b or o01 63.7 70.3 66.2 90.j 96.6 97.8 99.1 99.6 99.6 1r.0 13'1., 133.0 103.0 100.3 100.0, 1130 G" '401 6I.7 78.2 56.2 90.1 96.b 97.8 99.1 99.6 99.6 lpo.0 101.0 100.0 100.0 100.0 100. 0 12.0 G F 3'l 61.7 79.2 95.2 90. 1 96., 97.8 99.1 99.6 99.6 100.0 IOn.0 1 o0o 11. 100.00 O0n.o OO.O GE 20 63S.7 70. 2 5.2 90.1 96.6 97.8 99.1 996 99.6 100.'J 1.n 130.0 133.0 Ino. 1100.0 1 0.0 S, in 63.1 78.;" 8.2 93.1 96.6 97.8 99.1 99.6 99.6 lf]o I J13.0 100.0 100.0 10.0a 100.0 130.0 u. O 63.7 78.2 85.2 90.1 96-97.8 99.1 99.6 99.6 Iq3.U lo,. 103.0 101.0 100.0 1O.0 1J0,0.,,...**...........,...,, **.......,...... *,,,,,.......... *. ***o...,.,. TOTAL NUMBER OF OBSFRVATI3NS: 00 a- -... -- - -
I GL08AL CLIMAITOLOGY BAN0F USAFETAC A18.4FATHER SERVICE/MAC PERCENIAGE FR'QUENCY OF OCCURRENCE OF CEILING VALL% VlIBILITY FROM 6OUILy OBSEIVAT TONS STATION NU6ME: 722886 STATION NAME: VAN NUYS CA P1[ 1) OF RLECORD: 78-87 P1NTH: AP7 I OURSILST1: 12UC-1403 I6 I GL GE 3 G G L G G G G E G E IE G SE GE E G FEET 17 6 5 4 3 2 11 2 2 1 1 2 11/4 1 '/4 9/8 112 5116 1/4 0...,................. o o...................o..... o.,,........... o,..,.......,.......... o................. NO CEIL J 45.P 5 58.1 9.: 63.b 63.2 u.: 6).3 63.2 63.2 63.3 6'.3 63.3 63.3 63.3 3i.3 63.3 E 10001 47.2 57.6 61.3 63. 2 6. 65.6 65.6 65.8 65.8 6,5.9 6.9 65.9 65.9 65.9 65.9 6S.9 GE 160oo0 47.2 57.6 61.3 63.2 65.6 65.6 65.6 65.8 65.8 65.9 S.9 65.9 65.9 65.9 6'.9 6S.9 GE 147 4A 8.9 59.8 60.3 65.1 68. 0 68. 68.7 6R.2 6F.2 68. 6P.3 68.3 68.8 68.3 68.3 66.3 SE 121001 8.9 59.8 63.3 65. 68.1 68.3 68.0 68.2 68.2 68. 3 bp. 68.3 69.3 68.3 :8.3 6.3 SE 10001 89.8 63.8 68.3 66.3 68.9 65.9 68.9 69.1 69.1 69.2 6q.? 69.2 69.2 69.2 f9.2 69.2 SE 9 0 01 89.8 60.4 68.1 66.3 68.9 68.9 68.9 69.1 69.1 69.2 C9.2 t9. 69.2 69.2 69.2 69.2 SE 80001 89.7 6.7 64.2 66.6 69.. 69.1 69.1 69.3 69.3 69.8 f.4 69.8 69.8 69.4 6-.4.9.4 SE 031 89.7 60.8 68.3 66.7 69.2 69.2 69.2 69.4 69.4 69.6 69.6 69.6 6 69 69.6 6.6 69.b be b00 50.0 61.1 68.7 67.3 69.6 69.6 69.6 69.8 69.4 69.9 6,9 619.9 69o 69.9 69.9 69.9 SE 5 P00 52.1 63.2 66.8 6.1 71. 7 717 71 71.9 71.9 72.0 72. ' 72.0 72.7 72.2 72.7 77.0 SE 8S001 54.0 65.4 69.0 71.3 73.9 73.9 77.9 78.1 78.1 74.2 74.7 74.2 74.2 74.2 74.2 74.2 be 4Go1 57.3 69.4 73.3 75.3 77.9 77.9 77.9 78.1 78 78. 2 76.2 78 78. 78.2 78.2 78.j SE 3[Icc 61.8 74. 2 71.8 80.1 87.7 82.7 82.7 82.9 82.9 3. 0 6'. 3.0 83.0 93.0 a,.0 93. SE 3ou01 6.2 78.9 87.6 85.3 88.0 88.0 88.0 88. 2 88.2 88.3 69.3 88.0 89.3 88.3 88.3 86.3 FE 2 C 68.1 8Z.6 81.1 93.3 93.5 93.6 93.6 93.8 93.8 3:9 93.9 93.9 93.9 93.9 93.9 93.9 1,E 201 69.2 P4.4 89.4 93.3 97.2 97.0 97.0 97.2 97.2 97.3 97.7 97.3 97.7 97.3 97.3 97.3,F 1P80 69.2 84. 4 87. 4 93.3 97.2 97. 97.1 91 97.3 97.3 97.8 97. 97.4 97.4 97.4 97.8 97.4 SF JI 69.7 88.6 89. 91 3.9 97.6 97. 97.9 98.1 98.1 98.2 97.2 8.2 98.2 98.2 v.:.2 98.z GF 12001 69.3 P4.6 93.1 94.4 98. 2 98.4 989. 89 88.8 9993 99.1 9.1 99.0 99.0 99.0 69.3 6 1I0P1 69.4 94.8 93.3 94.8 99.6 98.8 99.0 99.2 99.2 9.3 99. 3 99.0 99.3 99.3 9. q8.0 SE 1I 69.4 81.8 93. 3 94. 9. 99.3 9.3 Q9.4 9'.4 99.8 99.4 99.4 99.4 99.4 E Poo 69.8 84.8 93.6 i5.3 98.9 99.1 99.8 99.7 99.7 99. 9A, 99. 9 998 Q9.8 79.8 99.8 OF 761 69.4 84.6 93.6 95. 98.5 99.1 8 9.6 99.8 99.8 99.9 9'.9 99.9 99.9 99.9 99.9 99.9 SE 60c 1 69.4 94.8 93.6 95. 0 98.9 99.1 99.6 99.8 99.A 99.9 99,9 99.9 99.9 99.9 9q.9 98.9 Gf 0 69.4 84t8 93.6 95.0 98.9 99.1 99 8 99 9.9 q9.9 99.9 9.9 99.9 999 999 8 1 'E 400 69.4 848 97 : 65.0 98.9 99.1 99.6 99.8 99.8 099 91.9 99 9 99.9 99.9 99.9 99.9 SE 3001 69.4 84.8 93.6 95.0 99 99.2 99.7 99.9 9.9 1770 1:0.0 100. 100.0 17.0 107. 132.0 SE 2[00 69.4 8.. 93.6 95.0 99. 99.2 99.7 99.9 99.9 10.0 1,.n0 100.D0 110.0 170.0 100.0 100.0 SE IL0 69.8 94.8 93.6 95.a 99.S 2 99.7 99.9 99.9 100.0 o.0 100.0 100.0 100.0 103.0 100.0 L. 0, 68.4 84.8 97.6 95.0 99. L 99.2 99.7 99.9 99.9 1,0.0. 0.0 170.0 00.0 100.01 0.0 10 0.......o...........,...!,,... K6.,...,......o.. FOTAL NU8LEP OF OeSERVATIONS: 930
GLOBAL CLIMATOLOGY 4RANC PERCENTAGE FREQUENCY OF OCCURRENCE 0 CEILIWt VPSPs vlibilit USAFEIAC FROM HOUILY OBSERVATIONS AIR WFATHER SERVICI/MAC STATION NUMPER: 722986 STATION NAME: VA NoYS IA PESRI Cr PECORO: 79-87 CP11,: A P HOU SILST I: 10 1-I C,:...... LETLANG VISIBILITY IN STATUTE MILES IN I GE SE SE GE BE GE GE GE GE GE SE SF G L! CL SE FEET 13 6 5 4 3 2 172 2 1 1 /2 11/N I 1/4 5 /k I 2 t 1b 1/4 NO CEIL 1 52.1 63.0 61.9 62.7 63.3 63.3 63.3 63.3 b3.3 63.!,1.3,3.3 t3.3,.3 3.3 b3.3 GE o0on 1 55.1 6A.U 65.9 66.8 67.4 67.4 67.4 67.4 67.4 67.4 b7.4 57.4 67. 4 7.4 67.4 t7.4 GE 18CO0 5S.1 6A.u 65.9 66.B 67.4 67.4 67.4 67.4 67.4 67.4 61., 67.4 67.4 67.6 b7.4 67. 6[ 16r0 55.i 64.0 65.9 66.8 67.4 67.4 67.4 67.4 67.4 67.4 67.4 67.4 67.4 67.4 67.4 E.4 LE 14730 56.6 66.1 64.4 69.5 70.2 7G.2 70.2 70.2 70.2 70.2 7".? 78.2 73.2 70.2 37.2 17. GE 120031 57. 1,b.7 69.9 70.J 70.7 7Lo7 70.9 70.9 711.9 70.9 7. 70.9 73.4 7.9 78.9 72.8 LE 10700 57.9 67.9 71.? 71.3 71.9 71.9 72.3 72.3 72.3 72. 3 72.3 72.3 72.3 72.3 72.3 7.3 GE 90001 57.9 67.9 77.2 71.3 71.9 71.9 72.3 72.3 7,.3 72.3 7'.3 72.3 77. 3 72.3 72. 3 72i.3 ue 8001 5840 68.3 7.5 71.6 72.3 72.3 72.6 7.6 7,.6 72.6 72.6 72.6 72.6 72.6 72.6 7.., GE 7 0 5A.I 68.5 73.7 71.8 72.', 72.5 72.8 72.8 72.8 72.6 72.4 72.4 7. 8 72.8 72.8 72.4 GE 6rqfl 5P.8 69.2 71.4 72.5 73.2 73.7 7T.5 73.S 73.5 73. 73.5 7!.5 73. 5 73.5 71.9 3.8 be 5 CdL) 60.5 72.8 73.1 74.2 74.q 74.8 75.7 76.2 75.2 75., 7. 2 75.2 79.2 78.2 7'.2 77.2 G, E 4, 00 64. 74.6 75.9 78.1 79.7 78.7 79.1 79.1 79.1 79. 1 74.J 7.j1 79.1 79.1 79.1 79.1 GE 43001 67.7 78.3 8.5 81.7 p2.4 92.4 82.7 82.7 82.7 82.7 62.7 92.7 82.7 82.7 82.7 q-.7 G E 35',P91 72. 9 83.9 85.2 87. 3 8." 99.' 48. 48.3 88. 3 88P.3 3A3 8. 4b. 4 A9.3 44. 3 p78. 3 649.73. I GE 39071 77.2 p8. 91.8 92. 3 93. 0 93. 3.3 993 93.3 9733 93.'.7 93.3 93.3 '. q 63.3.. 27nl1 79.9 93.3 9'.1 4.7 49.9R 95.8 96.2 96.2 96.2 96.2 96.2 r,6.2 96. 2 4.; Y6.2 6.7 I. 2"001 7R~q 91.1 94.9 46.1 97.4 97.4 97.9 97.9 91.9 97.9 97.9 97.9 97.9 07.9 97.9 47.6 (IL 1q (J 79.1 91.4 94.8 96.9 97.9 97.6 98.2 98.2 98.2 98.i 90 2 48.2 94.2 Q8.2 99.2 4.." GE I'UI1 79.5 91.1 95.4 q7.1 98.4 98.4 94 9.9 94.9 q8.9 98.9 -p.9 94.9 48.9 ',g.9 9-.9 b..f 12001 79A 42.2 9.7 97.4 98 98.8 99.2 99.2 9.2 93.2 89.2 9q.2 99., 99.2 9.7,.; AE 107P 7.6 423 9,.9 97.6 99.9 98.9 99.3 99. 3 99.3 99, 3,4q 94.3 99.1-9.9 9907. 44. f,6 9701 79.6 92.3 99.9 97.7 99.81 99. 3 99.4 99.8 99.9 99.4 99.4 99.4 9. 94 99.4 89. 99 6E 421 79.6 92.3 9.1 97.8 49., q.9.7 9.7 99.79 99. 99.7 99.7 99.7 99.7 99.7 99.7 99.7 IE 7001 7q( 91..5 9?.7 q7.9 99. 99. 99. 998. 99.4 99 s 9. 94.9 9.8 99.8 99.4 9.9A 9Q.9 G[ f01 79.6 )7.7 95.9 97.9 99.4 99.. 99.9 99.9 99.9 99.4 94.4 49.9 99.9 99.9 9q.9 94.9 (IE tor 79.6 92.3 9.9 97.? 9q.4 99.4 99.9 99.9 99.9 P9,9 99.9 99 9.9 44.9 99.9 99 (E 4 oi 796 92.3 9s.9 91.9 99.4 99. 4 99.9 99.9 99.9 99.9 99.9 49.9 99.9 99.9 99.9 99.9 ue 3001 79.6 12.3 95.9 97.9 99.4 99.6 100.0 O.0 13 Z0. 0 '103.0 100.0 100.0 100.U InO. 0 1on.0 19c.C GE 200i 7'.6 92.3 98.9 Q7.9 99.4 99.6 100.0 io.0 131.0 1'3.c 130.0 100.0 100.0 100.0 IU0.3 10.3 bc 1001 79.6 92.3 96.9 97. 9 94.9 99.6 100.0 100.0 lj3.0 109.0 I 1.0 100.0 103.3 l0u.j 100.3 10.H GF 9 79.6 9z.3 96.9 97.9 99.4 99.6 100.0 100.0 100.0 103.0 l00.0 10.0 103.3 100.0 100.0 10C.0 TOTAL NL'MPL9 OF OPSERVATI3NS: q84 0.. o...........,..........,......., o,........ a@ - - -
GLOBAL CLIMATOLOGY 8 0ANCH PERCENTAGE FREQUENCY OF OCCJR8[NCE OF C[ILING VFRSUS VISIBILITY USAFLI AC FROM HOU 9 Lf OBSLEVATIONS AIR WEATHER SERVICE/MAC STATION NUMRL: 722q66 STATION NAME: V4 NOUYS CA PEPOD OF PECORD: 78-87 MnNYB: APP I0URSELSTT: 1l0n-23CD CL LI PGVISIBILIT Y I N STATUTE MILLS IN I(L S F j1 G I E G GE G GE GE E 5 i 5 GEE r,! E F FEET I I 4 2 1 2 2 11/2 11/4 1 714 58 1/2 S/To 1/6................................. NO CEIL I 59.2 65.30 5.5 F7.0 67..J 67. 3 67.3 67.T 3 b.. 67. 3 6 7.3 61.3 773 6., 7.t3 67.3 GE 20091 61.I 6.4 70.5 71.1 71. 71.5 71.5 71.5 71.5 71.5 1.6 71.5 1.5 71.5 71.S 71. GE 18 07 61.I GE 162701 61.1 64.9 66.9 7.5 73.5 71.1 71.1 71.6 71.5; 71.5 11.5 71. 5 71.5 71.5 71.5 1. 5 71.5 71.5 71.5 T. 11.0 71.5 71.5 71.5 71.6 71.5 71.5 71.5 71.5 71.5 71.6 GE 141 61. 716 1. 14.1 74.' T4.5 74.5 7 4.5 7 4.6 74.S 7o 74.5 74.-5 74.-5 74.5 7 4. E 12n0 I 64.0 72. 1 74.3 74.7 76. 3 75. 75.3 75. T 75.0 75.3 7.9 75. 3 75.T 7,.3 7q.3 7S.j G E 12Or) 6 5. 74.5 75.5 77.1 77. 77.7 17.7 77.7 77.7 77.7 77.7 77.7 77 7 77.7 77.7 77.7 GE 93 On G69 T4.S 75.5 77.1 77.7 7.7 7 77. 7 77 77.7 77.7 77.7 77.7 77.7 77.7 77.7 77.7 GE 8900 65.9 74. 75.8 77.5 78. 1 Ib.a 78.0 78.0 78.0 78.0 7?nf 76.0 78.9 78.3 7.3 7b.[:.E 7ojOl 66.1 75.3 77.7 77.7 78.3 78.1 78.3 78.1 TN.T 78.3 79 7. 73 77.$ 7 7R.3 7.3 G 6,00 66.4 75.' 77.5 78.1 7.7 78.7 78.7 79.7 78.7 78.7 7.7 79.7 78.7 78.7 7.7 7. 1 GE: 5ooflI 67.8 76.9 78.9 79.6 80.2 0.2 80.n 80.2 80.2 87.2 81.7 83.2 90.2 97.7 80.7 p, bg 46UO 70.5 79.8 81. 9 82.5 83. 1 831 83.1 83.1 83:1 43.1 8,.1 8.1 83.1 AT.1 85.1 93.1 GE 40001 72.9 82.4 84.5 85S2 85.7 85.7 86.7 85.7 85.7 85.7 81.7 85.7 85.7 85.7 86.7 E5.7 E I6001 74.7 4. 3 4, 4 f 87.1 87.b 87.b 87. 87.6 83.l6 7.b 87.6 87.b 87.6 P7.6 87 5-7.f- 6 r 311001 77.6 87.6 87. 9 9.b 91-4 91.4 91.4 91.8 91.4 )1.4 91.6 1.4 91.4 91.4 4 1.4 11.4 I 790 79.6 93.5 97.8 93. 5 94.6 9.5 94.5 94.5 94.5 94.5 6. 94.5 94.5 94.5 94.5 4.I.F 20 41.1 97.5 9,.3 96.2 97.3 93.7 97 3 97 3 97 97.3 97.3 97.3 97.9 Q7.I r 10, 81.5 92.1 96.2 96.4 97.5 97. 5 97.S 97.5 97.6 9.5 97. 97.5 97.5 q7.5 47.S 97.6 GE l';o 41.4 93.4 956. 97.4 98.6 98.6 98.6 98.6 98.6 9.6 9p.6 98.6 98.6 48.6 94.6 4.6 (IE 1, 00 87.1 93.6 95.8 98.1 99.2 99.2 99.2 99.2 99.2 98.2 9 Q 99.2 99.2-9.2 99.2 ;7.9 tf I0u 67.1 93.6 956 98.2 99.1 99.3 99.3 99. 3 99.3 49.3 go0 I 9.3 99.7 99.3 gq.t 9.1 GF quo0 82.? 93.9 97.7 98.4 99.6 99.6 99.6 99.6 9,.6 99.6 40.6 93.6 99.6 99.6 44.6 99.6 T) -, 50 7201 82.2 72. 93.9 91.9 97.0 97.3 98.4 98.4 999 99.O 99.9 99.9 99.9 100.0 99.9 100. 1999 130.0 99.9 103.0 9'o9 11.0 99.9 100.0 99.9 177.0 99.9 127.0 94.9 100.3 98.9 1 77.0 I r uol 82.7 93.9 97.3 98.4 99.9 99.9 107.1 100.0 130.0 777.9 170.0 100.0 100.0 170.7 ILO.7 130.3 r, u! 82.2 9.9 9.3 98.4 99.9 99.9 loo.0 100.0 170.0 177.0 1I0.0 100.0 103.0 30.0 100.3 l3.0 G r 47.2 33.3 9j0 71.3 98.4 99.9 99.9 100.0 100.0 100.0 100.0 IU.0 00.D 1.u0 13OD.0 100.0 0.0 GS 13co 82 43q. 97.0 Qj:4 99.9 99.9 100.0 100.0 100.0 -. 03.0 10n.C 100.0 100.3 100.0 100.7 170.7 L, r 171 82.? 41.9 97.3 98.4 99.9 99.9 100.0 100.0 10.0 100.0 i73.n 173.0 103.0 ICC.3 10j0.O 17D.0 fe I10 02.2 93.9 97.0 98.4 99.9 99.9 130.0 100.0 130.0 100.0 1c.0 103.0 100.0 100.0 100.3 103.3 u 31 82.2 93.9 97.0 98.4 99.9 99.9 100.0 100.0 130.0 170.0 100. Do 100.0 100.0 100. D 0.0 1O0.O.....,...,...,...,.............,...,...,...,.......,. o............ e0 TOTAL NUM6EO OF 005E4V611345: 997
GLOBAL CLIMATOLOGY RRANCH PERCENTAGF FR-QuENCY OF OCCJRRENCE OF CEILING V4R0S VISIBILITY USAFE7AC FROM HOULY -BSER4AITONS AIR weather SERVICEIMAC STATION NL'MBER: 722A46 STAT ION NAME: VA4 NL YS CA PELIOD OF PECORD: 78-87 M4N71: APR HOUpS(LST): 2100-2-.3 CE ILING VISIBIIITY 1N STATUTE MILES IN I GE G F GI Gt G G GE G GE GE E GE GE S ( L G F FEET I I P c 4 3 z 121 2 11/2 1 1/4 1 '/4 5/8 1/2 S/lb 1/4 1..,,,......,.....,....,.........,....,..,,.....,,....,........,..,..,,...,,... N C I I 6C, I 54.7 1?.1 72.9 7T.1 73. 1 73.1 73.1 73.1 73.1 7'.1 73.1 73.1 73.1 7.1 7 3.1 LF,f)1L 0 61.4 1.2 13.b 74.3 74.. 74.5 74.5 74.5 14.5 74.5 74.5 74.5 74.5 74.5 74.5 7.5 I Iar(101 b1.4 11.2 73.6 74.3 74.. 14.5 74.5 74.5 74.5 74.5 74. 74.5 74.5 74.S 74.5 7.9 GE 690l1 61.4 71.2 73.b 74.1 14. 14.5 74.5 74.5 74.5 74. 5 T4. 19.5 74.5 74.5 74.5 7q.5 SE 14 on1 6.2 7z.1 74.5 15.2 7.' 75.5 79.5 75. S 7S.5 757.,5 7, 75.5 75.5 75.5 15.5 T5S G E 2CO1 6'.6 72., 7.? 7%.6 75. 15.8 75. 75.8 75.8 75.8 71,. 79.8 75.R 75. S9 7S.8 be O0fl 1 63.4 73.9 75.3 77.13 77.1 77. 77.3 71. 3 11.3 77.3 7.7 77.3 77.3 77.3 77.3 7.3 6C 9457f 69.4 73.9 71.1 71.0 77 77.3 77.1 7, 1.3 7., 1 77.1 73.7 77.3 77.3 77.3 77.3 713 UE R8G n b1.4 71.q 75.1 77.3 77.3 77.3 77.3 77.3 77.3 77.3 77.3 71.3 77.3 77.3 77.3 71.1 G E 7"UO 65. 74.C' 75. 77.2 77.4 77.4 77.4 77.4 17.4 7. 4 77.4 77.4 77.4 77.9 77.4 77.4 7F 61r) 6 3.9 74.4 75.4 77., 77.d 17. 4 77.8 77.4 17. 77.4 77.1 71.8 71.9 71.4 77.9 17.8 GE SIS 0 b1.p 76.4 7.9 79.7 79.4 19.9 79.9 79.9 19.9 79.9 79.' 7 9. 79.9 34.9 79.9 7.9 UE 4ro3I 61.3 78. 1 3.5 91.3 8J.b qi.b 41.6 41.6 41.6 41.6 41.- 41.6 41.6 91.6 81.6 01.b SE 40On1 67.9 7H.8 1.7 42.2 42.4 92.4 Ae.4 2. 4 82.4 92.4 8.4 A2.4 82.4 42.4 82.4 82.4 6E 3500 69. 9.1 950.,1 9 7. 7 A3.5 B.A37 43.3 8337 437 4 R3.3 8 3.7 43.7 A3.7 B.7 43.7,i 3 OrI 7.7 3.1 81.6 R.5 a 6.7 8t.7 86.7 46.1 86.1 86.7 q6.1 q6.? 86.7 46.1 86.7 qt.7 ST 25". 11.9 6. 14. 3 49.1 89.4 9. 4 89.4 89.4. q9. 894 q 4 40.4 99.4 89.4 49.9 E. 2"J33I 73.6 p9.3 9. 93. 2 93.5 93. 5 9 3 9.5 91.5.5 91.5 9' 93.5 93.5 q3.5 93.5 93.5 I IRpGOI 73.6 98.4 9.1 91. 3 93.7 93. 7 97.7 93.7 93.7 93.7 97 9,.7 93.7 93.7 3.7 93.7 C I UP, 74. 033 91.9 q 5.2 95 9 S 95. 9. 95 8 95. 5.85 ).S 5 94 91,.4 9S5.4 ' 95. 8 99,. 4 935.4 SP '1 75.. 4 1.q 5.. 5 97.2 97.9 97.8 97.4 97.4 97. 91.8 47.7 9.4 93.8 97.8 979 47.8 E )run31 74.4 91.6 93.9 91.7 9A,5 9. 6 9q.6 94.6 94.6 9.6 90.6 94.6 98.6 98.6 F.6 P.6 11 c UnI 75,4 91.6 95.4 97.? 99.6 94.6 94.6 9t.6 94A.6 94.6 9q.6 94.6 9..b 4.6 4q.6 9H.b,[ F U3I 75 4 91.9 95.2 98.2 99.2 99.2 99.2 99.2 99.2 99.2 99.2 9 9 9.2 q. 99.2 9Q.2 99.2 fe 7 L I ) 4 I.9 95.2 94.4 99. q99.5 99.5 99.5 99.5 9;.5 97.9 99.5 99.5 99.5 99. 5 99.5 r 6[1 75.4 92.. 95.1 98. T 99.9 99.9 99.9 99.9 99.9 99.9 97.9 99.9 99.9 9,9 99.9 9.9 (, 10.4 92.5 )5.3 94.1 1On. 2 I0.0 0Io.0 100. 0 13.0 197.0 I0. p 100.0 100.0 1"0.3 100.D 170.0 fe 4Or. 75.4 92.J 94.3 98. 1Co. 6 171. 1 100.0 1OO.0 100.0 17.0 Ior0.p 1O.0 100.0 10o.7 100.0 1D0.r U F 30C1 7. 4 q2.j 96.1 94.7 10.0I. 10. 100.7 100.0 139.0, On.0 107.' 17O. 0 109.0 103.0 107.3 13D.0 SE 201 15.4 92.7, 95.3 94.7 1o7. 1i0. 0 13 0.0 10.0 10O.0 107.0 137.*0 1700.0 10. 10n0.3 100.0 lou.0 GS I121 'IS.1 92.0 95.3 94.1 100.2 I09.a 100.0 100.0 100.0 1n0.0 1o7.' 1.03 InO.0 I00.0 1U.0 f 01 75.4.2.. 9.. 94.7 100.3 130.7 1O0.7 100.0 100. 10.0 10.0 10 no0.0 100.0 11O.0 100.0 1o0. 0.. NEW- 1 T14AL NUM4FR FPF ORSERVA 37N5: 936
blobal CLIMMLOG 88NCH USAFET AC A I FATHER SFRVICE/MAC PERCENtAE F8QUENC9 OF OCJ88ENCE of CEILING VFR70S VIsIBILI7Y FROM HOULV OBSLRVATIONS STATION NUMHEq: 722986 STATION NAME: VAN NoYS CA PCP(10 OF REC3D : 78-87 8337A: APP POURSILST): ALL............ '' '-'*******','-*** *,**... **...- *...... * ricing 8V1SIBILI7Y IN STAIUIE MILES IN I E GF 3E GE GI G SE G- SE G E L GE se GE I6 GI FLET I An 6 0 4 3 2 It2 2 1 112 1 1/4 1 V11 5/f 1 2 /I6 1/4..... N0 CEIL 1 51.7 59.2 1.0 62.6 68.( 63.7 63.7 63.8 63.8 63.8 6.P 63.8 63.8 63.8 63. 9 3,f 200O3I 03.7 Il1.9 64.3 65. 66.b 66.7 66.8 66.8 6b6. 66.9 L,5, 66.9 66.9 66.9 66.9 66.9 CE 14a :ir) 53.7 61.9 64.! 65.4 66. 66.7 66.8 66.8 66.8 66.9 be." 66.8 66.9 66.9 66.9 66.b SE 16g71 53.7 61.9 64.1 65.4 66.6 66,7 66.8 66.8 6.8 66.9 b, 6 60,.9 66.9 66.9 6b9 66.9 GF 14 r3o 50 b4.0 65.0 67.4 6Q.3 69.1 69.2 69.3 6q.8 68.3 6I.7 6.5 69.3 69.3 b9. 3 09.3 C.f 11.On) 00.8 64.3 66.9 6.A1 69.8 9.5 69.6 69.7 69.7 68.7 5b,7 697 b.2 69.7 69.7 t0.7 fe 10333C 56.7 65.6 63.2 69.4 70.7 73.8 73.9 71.0 1.0 71.1 71 1 71.1 71.1 71.1 71.1 71.1 1 9 0P 56.7 65.6 69.2 69.4 70.1 70.8 70.9 71. 0 71.0 71. 1 81.1 71.1 71.1 71.1 71.1 71.1 CF 8100) 56.9 65.8 68.4 69.6 73.9 71.0 71.2 71.2 71.2 71.3 7 1. 71.3 71.3 71.3 7l13 71. CE 7U0 56.0 65.9 63.6 69.7 1.C 71.1 71.3 71.4 71.4 71.4 71.4 7I.1 71.4 71.4 71.4 71.A SE 65UC) 57.2 66.3 6.9 ) I. 7 1.4 71.5 71.6. 1 S.7 7.3 71.37 T.? 71.7 71.7 71.3 71.? FE 5c00 5q.6 67.8 73.4 71.6 72.9 73.3 73.2 73.3 73.3 73.3 73.? 73. 73 78. 3 3.3 71.3 73.3 F 4itOr 60.3 69.7 72.4 73.6 74.9 75.0 75.1 75.3 75.3 75.3 7,.3 70.3 75.3 75.3 7S. 3 7S.3 CE '0O0 62.4 72.1 74. 76.2 77.3 77.4 77.5 77.7 77.7 77.7 77.7 77.? 77.7 77.7 17.7 77.1 SE 300 64.9 74.8 77.b 78.8 80.1 80.2 83.3 8(3.4 80.4 A3.5 <,5 9 a.5 83.5 83.5 9n.5 98.0 SE 9C001 67.8 78.5 61.5 82.9 84.3 94.4 84.5 84.7 84.7 84.,786.3 88.7 84.7 84.7 84.7 84.7 SE 2001 69.7 81. 5 6. 96.6 88.2 98.3 88.5 88.6 88.6 8.7 5'7. 88.7 88.7 8.7 89.7 46.7 CE 20001 1.P P3.7 87.9 90.6 92.1 92.1 92.3 92.4 9 2.4 92.4 9.4 92,.4 92.4 02.4 92.4 P2.4 be AC1O 11 4..0 8 9.2 90.3 92.4 92.5 92.7 92.9 92.9 92.9 9.9 92.9 82.9 92.9 9?.9 82.9 6E loud) 71.7 85.0 61.5 91.9 94.3 94.5 94.7 94.8 94.8 94. 94.6 94.8 94.9 94.8 94.8 84.A CF 12fIU 71. 95.4 93.3 93.0 95.5 957 96.0 96.2 96.2 96.2 1.2 86.2 96.2 9b.2 96.2 96.2" 66 10O0 71.Q 85.6 97.h 93.5 96.4 96.7 97.2 97.4 97.4 97.6 07,4 97.4 97.4 97.4 97.4 97.. SE 9'0I 71.8 85.7 1.7 93.6 96.b q7.0 97.5 97.8 97.8 97.H 47. 87.8 97.8 97.8 97.9 97.6 f, 9(et 71.9 85.7 93.9 93.7 97.1 97.5 9R. 98 6 9 R 9.6 P.6 98.6 98.6 98.b 9-.6 8.b SF 700 71.q 5.7 93.9 93.8 97., 97.7 9R.6 98.9 98.8 9, C. Q 9.0 9 q.3 99.3 99.3 9.3 E 6001 71.8 85.7 91. 91.9 97.3 97.8 98.8 99.1 99.I q.2 28, 99.2 99.2 89.2 99.2 p9. OE 0001 71.8 85.7 93.8 93.9 97.? 4 7.8 99.0 99.4 99.4 Q9.5 9.0 99.5 99.5 89.5 99.5 99.0 1S 9() 71.8 85.7 53.8 93.9 97. 917.9 99,1 99.'s 99.4 "4.6 99.6 99.6 99.6 99.6 99.6 99.b,F '001 71.0 85.7 Nj.9 93.9 97.3 07.9 99.1 99.5 99.5 Q9.8 99.Ap 88.8 99.4 99.8 9.8 99.8 CF 23o) 71.9 85.7 9]. 93.9 97.3 97.9 99.1 99. 99.5 q0.8 90 8 8.99.9 99. 99,.9 q9. bf IC) 71.9 85.7 91.9 9.8 97.' 91.9 99.I q.6 99.5 n9.8 q8.8 A 9.8 99.8 q9.8 9Bq9 99.9 9' 1 71.9 85.7 93.9 93.9 97. 97.9 99.1 99.5 99.5 9.8 99.P 99.8 9 9.9 98.9 98.9 1.I'. *,,,.,,.,,....,...,*.........,,,,,.,...,*...., *..,..,,...,...*...,,...,...,*,.* TOTAL NUM8EP OF OSERVA TINS: 5190.......................................
GLOAL CLIMAIPLOGV P8N(1f PE[4NTA5 I R<77FN3 OF OCCJ[NC[ C F (IfIL '--''. L7 II I U7AF7T C FROM HOU8 7 L8 T HS7 QV I 77NS AIR WfATF[E StoVICE.,'MAC IT y STATION NUMBEP: 712q5 STAT ION NA4E VA4 NY( C A -[ E8 C.7 7 7-4' 5,3.7'I~~~~ AL." TI: 3.-7... ". ".. " "1... "0.. 'I 1*1. Y *. 1. S..................................................... 3FILI N S VISIFILITY IS STT 377 '.771' IN rl ; F SF SE 7 GI 57E f71 7F,, hi 7 7 FEEl I 17 7. 5 4/- 21(2 2 11/2 i/a I 'I <7 7' " 'Ss 1.77.LIi I 34.7 41.9 83.2 45S 47T.3 47.3 47.? 41.3 47.3 47.7 Ut', <77 7 47.7.7.7 -. 7 7,7 N ) L 7L I 34. 7 4. 9 4 3.2 45 5 47. 7 47. 3 41 3 47 1 4. 7 7 T 7 71. 7 7. 7,7 7 4.. 6 IE s-00 34.7 4j1.? 47.2 4S. 5 47.3 47.3 47.3 47.7 47.7 47.7 '.' rr 7 ri.7 47.7 7.., 1 16-001 34,7 4j.9 43.2 45.5 47.3 47.3 497.3 '47.7 47.7 47.7.' 1 4?,' 47,77 4'.7 '147 I, Is "l 3I 34.71 41.9 45.2 45.5 47. 47.3 73 47.7 47.7 47.7 "17.7 47.' '7.7 47.' "7.7 '.? 47.7 F, I1'2- I 35.1 42.3 47.7 45.9 47.7 ".7 47 7 8. 2 4 44.,, I-. 4U. '.. 4.? '4., ' A T0 I7.7 '7 7.tf 42.8 4 4.1 46.4 48.2 48. 2 4 8.2 4 8. 6 4 8.6 44. R.<. 6'.,''. 441 4-1, f 97-1Gal 7. 6 42.4 44.1 46. 4 48.2-46. 2 48.2, 48. 6 4 9.6 44.7 4-. f 4. 5''"4. 71 A 81) 3,.f 43.7 4'4.6 46.8 44.b 44.6 48.6 49. 1 49.1 4.1'47.7<7.1 49.7 5.l '<7.7 fe 7 ] 7 i f 5',6 47.2 44.5 46.48 48.6 48.6 4 6 49.1 44 43.I 1 49. j4.7 4.7.'.1 -.7 5,- t,0 6u 'Flj 36. 44.1 45.5 47.7 49.5 49.5 '93.5 50. u so.0 0 '7., 6. (,f 57-TL! 36.4 44.t, 45.9 48.Z 50.1 SO. 0 50.0 53.5 I.' 'E7.J,. 7., '. '7.- 5. L, 4's IU 36.9 44.f, 4,.9 48.2 50.'1 50.0 5 S.3 5.5 50.5 Q77. '. ''7.5 '77.5.. 7.F7 J(,0! 36." 4.b 5.4 49.7 5I.. 50.9 50p.8 51.4 51.4 l.4 7.4 '7.4 51.4 '1.4 17." '7.4 'F[ L'") I 39.7 4.3. 4.1 51.8 57.!, 13.6 53.6 54.1 54.1 S4.. 1 '..,4.7 '4. 1-4.1 s.7'.1 F 770n 39.6h 48.6 s. 53.b 55. 4 SS4 55.4 55.9 5S.9 '5.9 5'.,' 1. '. 1. 7. [ I7 - L, r 4-.7 I c3. 57.77.3 58.I 5 1 5.. 58.6 S8.6 8.6 '.7 5 8.. 54.5. '4.51 I.6 (. G.F 2'C 4n. 1, 4. I st.? 61.7 F. 34.0 64.0 64.9 64.9 c 4.9 65,. 3 4.q 64." 64.9 6". 514 GT. Ip r 41. I' 5.7( 591 62.5 64.7 64.49 64.9 65.8 65.8 F5.8 ('.4 15.4 f,".' 5.8.. f '.' t[ I' U 43.2 1,8.1,I.1 66.7 6-. 4 '.4 69.4 70.3 7)., 70.3 7., 7".3 77.3 7].3 7'. 77,l, _C J 43.3 7 9.5 54.9 71.2 75.2 1T.3 7S.7 76.6 76 b 76. (I.' 7,. 7t b.b 7b.b 7.5 75. L ' LI! 44.1 '..9 fs." 72.7 7R4. 7.8 6.2 81.1.-. 61.1 81.1 '7.7 97.1 41.1 (7.1 6a.1 '7~!"41 4. ''. 65. 72.1I 4".. 68.6 82.4 q43. 3 8 3. 3 877 '3 433 433 A4T.3 q.7.01 '3 4.71 '4. 67.6 73.4 82. 4 83. 3 86.8 88. 3 88.. 3 8.3 p4.' F4.7.4I q6. 1 4. k It t7 17777! 44. 1 '.4 i', 77s. R. 44.7 89.. 91.G 99.0 41.4 '7. q "1.4 41.4 q1.4 47.4 1 7.4 V 3O70. 44.7 '4.4 b5.4 73.9 A, 44.7 89.6 91.9 91.4 942.,3 9 92.. 92.3 3 4 2.3 s2.7 ',7, In77 44.., 11.4 t5 7 S '. 7 l p.0 914 94.6 94.6 95.5 45.S 9'..4S., 95.5 9'.5-55,' r G7 44.5 6j. 4 65.,7 75.2 5.7 46.0 91.8 ; 95. s 95.5 96.4 95.4 45.4 96. 9b.8 9h.9 46.3 I7 U' 4(4., 63.4 6ST 75.2 8'7.1 6. 3 91.9 96.4 96.4 48.6 9'.', 8.6 9.5 S 954.5 4 5 1f 'CC, 44.5, 6.4 6S.7 75.2 85.1 96. 91.9 96.4 96.4 q98. 971. '9.1 1u3. 'I".3 108.7 1.0,1F I77il 4.r,. F3.4 6',.? 75.2 85.1 6.0 91.9 96.4 96.4 99.1 ' I 9. 4. 107 72 138J.0 Io.0 1077.0 8 C, "F 44.06 43.4 65.7 75.2 5. 46.0 91.9 96.4 96.4 99.].7 44.1 103.0 1 00. 10,. 3 10 c. S...........,......................,..........,................,,....................,........................... 4AL N0MR4L7P OF 0pSITvATI'S: 222
ul3hal C'LIMATOLOGY F ANCH PRC[NTAG[ F4r0UENCY OF OCC'JRRENCE OF CCILI7J; V,I ILITY 'AFE TAC FrOM F-OULY OBSE 0VATIONS A03 I R - ATI'. Sf VICE/MAC I AT1 1N 1U 3:L 7Z'45 57I ION NAME: VAN, y N UYS CA [4lI, E or 66CO0 : 71-86 M'PTH: MAY HOUQ5(LST) : Jf6C7-D402 Il L 1G V0I5181#1I7IY 14N 5TTIUr ImILE' 1N I 63 3 r 57 SE GE G GE GE Gt GE <L G 3E re GE C ti,7 I I' 6 4 3 2 112 2 1 1/2 11/4 1i '4 1 /2 '/16 1/4 /............ i N n ClL I 3.1 17.1 33.5 42.2 46.4 45.5 46.0 46.0 46.0 46.1 '..3 46.1 46.1 4b.1 4f.1 4b.I u. ' I 3f.! 4.:. 43.b 43.3 47. 3 47. 1 47.6 47.6 47.6 47.7 4 74 7.7 47.7 47.7 47.7 47.7 341 2<3 78.9 4-2 43.5 43.3 q7.j 47.1 47.6 47.6 47.6 47.7 47.7 '17.7 47.7 47.7 47.7 47.7. if. a: 57.9 q 4.7? 43.6 43. 3 47.0 7.1 47.6 47. 6 47.6 47.7 47.7 47.7 47.. 47.7 47.7 43.7 I '7" 0'7 71. I!.7 41.3 44.J 47.6 47.7 44.3 48.3 48.3 48.4 14'.4 43.4 44.4 48.4 4R.4 45.4 'f 12 '3 1.' 'I..' 41.4 44.S 48.2 48.j 48 8 48.8 44.8 44.9 i.q 4 44q.9 44.9 44.9 44.? 43.9.F I.2 ' 3 7.4?4.9 4,.5 45.2 49.' 48.9 49.5 49. 5 49.5 44.b 44.) f 4).6 49.6 49.6 49.6 49.5 f 9 0-1 2.4 '4.41 4'5 45.2 4R. 4q.9 49.5 44.5 4 49.6 4S.6 b 44 t 4.6 4g.f 49.6 49b A 861 ' 7 4 1. 3 43.3 45.7 49.4 49.5 50.0 51. O 51.0 '. ''.1 50.1 53.1 '3.1 52. '2.1,7 71,0 32." 43.4 4!.1 45.4 44., 49.b 50.1 50.1 50. 5 53.2 13. r 53..3I.2 2.2' '.2 7 #2Jr3 l7.' 4P.'. 47.3 46.3 49.4 49.3 5c.4 50.4 50.4 63.5 S1.5 5)3.5 53.5 0.5 52.5 52.6 '2]37 Lit 32.' 48.6 47.', 46.2 5P.- 5U.1 500.6 S0.6 53.6 53.8,25.4 53.4 52.4 50.8 67.8 6'.6 A 4'377 '7.1 41.1 4.1 46.6 5. 3 50.4 51.0 51.0 51.0 51.1 51.1I 1.1 51.1 51.1 6.1I 1.1 o. u n0 3., 41.' 4,.5.47 1.3 1.1 51.6 51.6 51.6 51.7 1.7 51.7 51.7 S1.7 51.7 1.1 V, 9J7' 34,.4 413 44 4 ;.6 77. 4 57.'s 59.0 543. 0 67.0 573. I 1 '. 5,. 1 5 3. 1 '3.1 5!..1 6.1 7 c(1on 75.6 45., 44.7 61.'b 55.4 65.5 6.0 56.0 56.0 56.2 5'.2 56.2 56.2 56.2 56.2 Sb.2 A 2'31'I 77.7 47.? 1, 64.4 8.4 58.5 59.3 54.0 59.0 5.92 5.' 69.2 54. 54. 59.2 69.2 v 2" 'J 3H.7 5:p.5 85.4 s4.4 6 3.- 61.4 64.4 64.4 64.4 64.6 64..6 64.7( 64.6 64.6 64.6 4.b 17 1.'U 78.9 '1.4 57.2 63].b 65.: 65.3 66.4 65.8 65.8 66.0 65..r 66.01 66.3q 66. 0 66.3 '6.L 1 3n0 40.3 54.7, 6?.2 66.b 71." 72.3 77.9 72.9 72.9 73.1 7. 73.1 73.1 73.1 7T.1 77.I 1,71)2 0 4f.3 '5.4 64.7 7,.4 77.. IH.2 79. 79.0 79.0 79.2 39.27 74. 79.2 79.2 7.2 79., 1 F I :'37 0 I.4 15.6 rb.l 71.4 6.5 q 32.2 84.1 4.3 44.3 44. 5 64. 44. 84.5 44.5 64.5 4.5 I.[ 407l 4n.44 6.2 63.7 72.3 A. 7.5 86.3 46.8 86.4 q7.0 '7.' P7.f 0 87.3 ) 7.3 87.7 07.0 A7 7773 4".4 f6. 66.7 72.6 42.7 85.3 89, 4 90. 1 90. 1 93).4 ' 4 9El.4 90.4 90.4 9"1.4 3[0.4 I 70r 4f.4 56.2 65.9 73. 4'.' -15.9 9C.8 92.5 92.5 9 I. p 1 3.1 93. 1 93.3 93.,F n(:' r3. 4 "b.' 65.9 75. '.' 7. 3 91.3 93.7 93.8 94.6 94., 54.6 94.6 p4.6 4.6 94.6 7,F ', 4o.4 6. 65.1 73.75 F4.I 68 910. 9 94.8 94. 96.8 7. 97. 9 6.8 96.4 96.B Qt.8 rf 4(,77 45.4 '6.. 63.3 73.5 J4.1 66.8 92.0 95.1 95.2 98.1 44.1 9.1 99.1 98.1 94A.1 94.1 F7' f' L. 4 '6.' 65.1 77.5 84.31 66.8 92.9 9.5 9.6-9.0. 99.0 99.1 99.1 99.1 49.7 7,7 r57n 43).4 '6.5 0,5.1 13.5 84.3 P6.B 92.0 95. 95.6 99.4 9P 99.6 99.6 Q9.6 99.6 99.6 ('[ 3I.97 4j. 4 '6-" 6 1 13.5 84.3 46. 92 0 95.5 4.6 Q9.4 915 QQ.6 99.9 9. 9 99.9 99.9 r5 "7 42.4 'b. 65.1 73.5 P 1 6. 8 92.0 95.5 95.6 q9 4 94.7, 9.4 9.4 99.9 L. 133.0 t0tal NU4B OF O6 0'S SE TI- : 0
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GLOBAL CLIMATOLOGT BANC PERCENTA 4 [ FVQOUENCI Of uct8j"f NL 1; L97 I,... I USAf! TAC FROM 'GUILY It4 If P I ' AIR.FATHER SERVICE/MAC STATION NUMPER: 722886 STATION NAME: VA! NUTS C A. : EEILI VISIBILITY IN SI&IU' U I It IN I G GE SE GE GE 0Z G SE L. 0E, 7 - - FEET I 14 S 4 2172 2 1 1 I/. I/ '8 I, l1t I'. NO CE1 I 2.2 87.6 54.1 60.5 65.2 65.3 6S.6 65. 6.61.'.7 I,,.. '' I.6 ". G; 200001 3.7.0 55. 63. 67. : 61.. 691 68.1 6 b I :.1 1-1.1 *.I I -- I:.i IE 1[-- c00 3 T. 3.0 55,5 68.3.67 61 6A,8 68. 68.1 69.1.1.. I 98.1 9.I G0 1601o 33.7 S0.0 IS. 63.0 6.7, 67.? 68.1 68.1 b.1 68. t1.1. I -. l 6V.I -.1 s*l G i"c'i r 34.6 611 575 6. 6. 69. 69.69. 9. 6b. 69.7 P' F. 99 6.,~ GE 122001 138.7 1.2 57.7 6V.3 69.7 69.8 7D.I 10.1 1).1. 7 7. 111.I.1 I 1 1.1 GE 10001 3, 51.7 59.9 6.9 70.7 70.4 73.8 10.8 1U.8 7).P. A'. I..8 1. 7. IE 90001 1(.1 51,1 59.4 649 73.7 10.4 70.8 70.8 70.8 71.8 T 6.6 729 78.8 7.8 7-." GE 8 3. 61.6 58.6 9 65.1 70.4 70.9 70. 9 70 73.8 73.9 7.9 '.9 73.9 '3. 772.8 7.; 0 700! E 76.94 1.9 59.6 65.2 70gS 70.6 71.0 71.0 71.0 71.0 71. 71,. 71.2 71.0 1. *? ue 6poo1 36.5 2.2 51.8 65.9 70.9 70.9 71.2 71, 7 1.2 71.. 71.2 1I.. 1I.? 71.2 77.2 7..2 G 56001 37.0 69.1 63.9 67.4 72.8 72.9 77.2 78.2 73.2 73.2 7'. 7 S.2 71.? '3.2 7?*? 7 3. GE 4c001 08.6 55.9,2.6 69.2 74.6 78.7 75,1 79.1 7S.1 75.1 7 I 76.1 75.1 75.1 7.1 7S.1 GE V4G 497.2 57.8 64.6 7 1, :5 7 16.8 77.1 77.1 171 1.1 1771 77.1 77.1 77I 71.1 711 GEc 3601 4 3.8 61.8 69. :6 75.3 80.6 80.8 1. 811 61. 81. 11 91 q1 1. 81. 1. GE 30001 496' 69.7 77.I 83.8 89.1 89.2 89.6 89.6 89.6 9.b s,, qq6 89.6 ig.b 89.6 '5.6 GE 2601 49.6 71.8 79.9 86.8 97.7 97,3 92.6 92. 6 92 6 92 6 9. 32.6 92.6 92.6 92.6 92.6 GE 2000 89.6 73. 81.5 93.8 96.0 96.1 96.5 96.5 96.5 96.5 9,6 965 965 96.5 96.5 96.5 GE 18001 49.6 73.8 87.7 90.8 96.5i 96.6 97. 97.0 97.0 97.0 91.7 97.0 97.0 97.0 97.0 97,0 GE 16001 69.3 74.6 84.3 92.3 98.1 98. 98.7 98.7 8.7 7 9 '7 997 98.7 98.7 997 96.7 IE 1200 89.7 74.5 89.3 92.0 9q.1 98.3 98.9 98.9 98.9 98.9 9' 9 9.9 98. 989 98.9 98.9 G6E 1UO 9.7 78.7 89.2 92.3 9R.6 98.7 99.5 99.5 99.6 99.6 9 5 q5 99.6 99.s 99.6 99.5,F 9001 9.7 74. 88.2 92.3 98.5 98.8 99.7 99.7 99.7 99.7 9.7 99.1 9.7 99.7 99.7 99.7 GE 9004 9.7 787 88: 92.5 98.7 99.0 98.9 99.9 19.9 989 9O* 0 99.9 99.9 99.9 99.9 99.9 GE 7001 49.7 78.1 88.4 q2.5 98.? 990 99.9 99.9 99.9 "79 ' 99.9 99.9 99.9 99.9 99.9 9" GE 6001 49.7 78.7 88.8 92.5 99.7 99.3 99.9 99.9 99.9 10,0 1. 103.0 0.000 00.3 103.0 GE 0 1 99.7 74.7 88.4 92.6 99.7 99.0 99.9 99.9 99.9 1'0o 100. 1 0o.0 10.0 110.3 10o. lo.0 GE 80 89.7 78.7 88.8 92.5 98.7 993 99.9 9 99.9 1, 010. 100.0 100. 100. 1'0,3 010.3 GE 1001 89.1 78.? 88.8 92.5 98.1 98.0 99.9 99.9 99.9 100.0 Ion. 7 1n3.0 133.0 100.0 100.0 100.0 GE 7001 89.7 78.7 88.4 92.5 99.7 99.0 99.9 99.9 99.9 103.0 100.0 0 103.0 10.3 100.0 100.0 G E 1141 89.7 78.7 84.4 92.5 98.7 99. 3 99.9 99.9 99.9 133.0 102.0 100.0 10.3 1na00 O. 0 130.0 GE r, 89.7 18.7 88.8 92.5 98.7 99.0 99.9 99.9 99.9 170.0 IO. 13.O 100.0 100.0 100.0 100.0.-A rotal NUMBER OF OPErVA TIJNS: 9 @B
GLOBAL CLIMATOLOGY BRANCH USAFETAC AIR WEATIFER SERVICE/MAC PERCENTAGE FREQUENCY OF OCCJR8ENCC OF CEILING VFRSUS VISIBILITY FROM HOUILY OBSER9AITONS STATION NUM 9 LQ: 722866 STATION NAME: VAN NUYS LA PEoIO0 or PECOPo: 77-86 9ONII: AY POURSILSIT: 150n-1703 CEIINI8SIBILITY I N STATOTF MILCS IN C E GE J C G re G. GE GE GE GE 11t Gf GE GE GE SF FEEl I L 6 5 73 2 1/2 2 1 11 1 I /4 1 '/4 ;/A 112 5/16 1/4 J,...,.,*,,,*...........,.........,.,.,,......,...,...,,....,,,....,.........,. N0 CEIL 1 43.1 62.3 65.6 69.4 71.3 71.0 71.0 71.0 11.0 71.0 71.0 71.0 71.0 71.J 71.0 71.J 6F L0GO1 45.0 65.8 69.1 72.9 74.5 74.5 74.5 7N.S 74.5 74.5 71,.5 7N.5 74.5 74.5 74.5 74.5 fc 18 0 4S.' 65.8 63.1 72.9 74.5 74.5 7N.5 74.5 74.5 74.5 74.5 74.5 74.S 74.5 74.5 74.5 be 1600l 45.5 65.6 s Q.1 72.9 74.5 74.5 74.5 74.5 74.5 74.S 70.5 7N.5 7N.5 74.5 74.5 74.5 Ut 14') 1 4.1 66.6 7., 74.3 75.9 75.9 75.9 75.9 75.9 75.9 7t.Q 70.9 75.9 75.9 70.9 70 9 be 2 0 0 46.1 66.4 73.4 74.5 76.1 76.1 76.2 76.7 T.? 72.1 7..2 75. 76.2 72 16.2 76.2 76.2 ce I 0ur1 46.5 67.S 71.1 75.4 77.0 77.0 77.1 77.1 77.1 77.1 77.1 77.1 77.1 77.1 77.1 77.1 GF 9 OI 1 4 6. 67.5 71.1 75.4 7 7.u 77.0 77.1 77.1 77.1 77.1 77.1 77.1 77.1 77.1 77.1 77.1 E 8nOf 1 46.9 67.A 7 1.5 75.7 77.5 77.3 77.4 77.4 77.4 77.4 77.4 77.4 77.4 77.4 77.4 77.4 f, 70 01 46.9 67.6 71.6 75.7 77.3 77.3 77.4 77.4 77.4 77.4 7?.4 77.4 77.4 77.4 77.4 77.4 GE 600C1 47.1 64.1 71.R 75.9 77. 77.5 77.6 77.6 77.6 77.6 77.6 77.6 77.6 77.6 77.6 77.6 GE 5001 48.2 69.z 71.1 77.2 78.4 78.8 78.9 78.9 74.9 78.9 7A. 79.9 78.9 78.9 79.9 78.9 GE 4'LPI 50.7 71.4 15.3 79.5 AI.I 41.1 81.2 41.2 81.2 81.2 61.2 I.2 81.7 81.2 a1.2 91.2 St 401 57,71 7S 4. 2 74.1 8 84. 0 84.0 84.1 84. 1 84.1 4.1 4S.1 94.1 84.1 94.1 9.1 94.1.E ' LP 56.8 78.4 A.! b.7 8R.1 48.3 OS.4 49.4 44.4 88.4.4 q 4.4 B.4 99.4 89.4 94.4 bs 3T001 b.5 82.9 R5.8 p1.2 9.9 R 2. 8 92.9 92.9 92.9 97.9 Q.0 92.9 92.9 Q2.9 9.9 9Z.9 f 2'-,0I 61.4 8S.6 90. 94.7 96.5 96.5 96.5 96.6 96.6 96.6 9.6 6.6 96.6 96.b 96.6 9b.6 E 2.700 61.4 b.1 91.5 96b 99.5 q8.5 99.6 98.6 94.6 N9.6 1;. 94.6 9A.6 98.6 94.6 94.6 GE I o,1 61.4 t6.1 91.5 96.6 98., 98.5 9A.6 98.b 98.6 99.6..t SR.6 98.6 98.6 90.6 98.6 (7: 15001 61.4 46.7 92.2 97.2 99.4 99.5 99.6 99. 6 99.6 g. b b'.6 9Q.6 99.6 99.6 99,5 99.8( GE 1271 81.4 6.7 97.3 97.4 99.7 99.4 99.9 99.9 99.9 9-.9 q'., 09.9 99.9 99.9 99.9 99.9 GE IUOI 61.4 86?.7 97.0 97.4 99.7 99.8 99.9 99.9 99.9 49.9 9.9 )9.9 99.9 99,9 99.9 99.9 St 9uo1 61.4 86.7 9.C 97.4 99.7 99.4 99.9 99.9 99.9 99.9 90.9 99.9 99.9 99.9 99.9 99.9 GE 8001 6 1.4 86.7 92.2 97.5 99.a 99.9 100.0 100.0 120.0 103.0 100.0 100.0 100.0 100. 0 100.3 170.0 LE 7001 61.4 86.7 97.2 97.5 99.9 99.9 100.0 100.0 100.0 103.0 lo0.0 100.0 100.0 100.5 100.0 lo.0 6[ 1 0,1 61.4 R6.7 92.2 97.5 99.9 99.9 100.0 100.0 100.0 100.0 10'. 1o.o 103.1 lo0.o 100.0 130.0 GE 501 61.4 A 46.7 97.2 97.5 99.9 99.9 I00.0 100.0 100.0 100.0 lon.o 1 0O.0 100.0 100.0 107.0 102.0, Ft 4G 61.4 86.7 92.2 97.5 99.s 99.9 100.0 100.0 130.0 100.0 1o.0 100.0 100.0 100.0 107.0 100.0 (IF 3001 61.4 96.7 92.2 97.5 99.9 99.9 100.0 100.0 100.0 100.0 107.0 100.0 103.0 100.3 100.0 100.0 C 200$ 61.4 96.7 97.2 97.5 99.- 99.9 100.0 100..0 10.0 100.0 1o.0 LO.O lo0.0 100.3 100.0 100.0 bf IO1 61.4 P6.7 92.2 q7.5 99.8 99.9 100.7 100.0 100.0 o0.0 1on.0 100.0 loo.0 1o0.0 100.0 100.0 Sf 1 61.4 P6.7 92.2 97.5 99.- 99.9 100.0 100. 0 100.0 100.0 1071. 10 00. 0 100.0 109.0 IO.U TOTAL NUMPE[ OF OBSERVATIONS: 930
GLOBAL CLIMAIOLOGY BRANCH USAFETAC AIR WEAIHER SERVICEIMAC PERCENTAGE FREQUENCY OF OCCJPRENCE OF CEILING VFRSUS VISIBILITY FROM h-oumly OBSERVATIONS STATION NUMBEY: 722886 STATION NAME: VAN NUYS CA PERIOD OF WiECORO: 77-86 9OT6I: MAV loursilsti: 1800-2303 CElLINJG "VISIRILITY IN STATUTF MILES 1N I GE GE E GE GE GE GE GE GE BE SE Gt G E se GE C FEET I 10 6 5 4 3 2 112 2 1 192 1 1/4 1 3/4 5/8 112 /I6 1/4 N0 CEIL I 53.0 67.9 73.0 71.9 73.4 73.4 73.5 73.5 73.5 73.5 73.5 73.5 71.5 73.5 73.S 73.5 GE 200001 55.1 71.2 73.4 75.3 76.9 76.9 77.0 77.0 77.0 77.0 77.0 77.7 77.0 77.0 77.0 77.0 GE 1o83o 55.1 71.2 73.4 75.3 76.9 76.9 77.0 77.0 77.0 77.0 77.0 77.C 77.0 77.0 77.0 77.C GE 160001 55.1 71.2 71.4 75.3 76.9 76.9 77.0 17.0 77.0 77.0 77.1 77.. 77.3 77. 0 77.3 77.U GE W001 55.7 72.2 79.5 76.4 77.9 77.9 78.0 78.0 78.0 78.0 7P. 78.0 28. 7. 18.3 7.0 LE 127001 55.7 72.6 74.9 76.9 74.4 78.4 78.5 78.5 78.5 78.5 74.9 78.5 78.5 78.5 78.S 7b.5 G F 100001 57.1 74.3 75.7 78.8 80.3 8C.3 80.4 80.4 80.4 8C.4 30.4 80.4 80.4 40.4 PL.4 GE 90001 57.1 74.3 75.7 78.8 80.7 87.3 80.4 80.4 80.4 80.4 90.4 97.4 83.4 90.4 Ho.4 83.4 GE 8ODl 57.1 74.3 75. 7 78. 80.3 80.3 80.4 80.4 80.4 83.4 q0.4 80.4 87.4 PO.4 8P.4 80.4 GE 7O 1 57.2 74.4 75.9 78.9 80.4 ac. go.s 80.5 80.5 90.5 80.5 83.5 80.5 90.S 80.5-0.5 GE 60001 57.4 74.6 77.1 79.1 80.6 80. b 80.7 o.07 80.7 80.7 80.7 80.7 80.7 AJ.7 47.7 8G.7 bg 50001 58.8 75.8 73.3 80.3 81.6 91.8 81.9 81.9 81.9 81.9 81.9 81.9 81.9 81.9 81.9 81.9 GE 45001 6nP 78.5 83.9 83.0 84.5 88.5 88.6 88.6 84.6 84.6 84.6 94.6 84.6 894.6 84.6 84.b be 0 1UP 63.0 83.6 81.1 85.1 86.7 86.7 86.8 86.8 86.8 86.8 86. 86.8 86.9 86.8 86.8 86.8 SE 7 opl 65.7 83.4 85.9 87.9 89.5 99.5 89.6 89.6 89.6 88.6.96 89.6 49.6 89.6 89.6 99.6 GE 30001 68.5 87.0 89.5 91.5 913 91.0 93.1 9.1 93.1 Q.1 91.. 93.1 91.1 Q7.1 99.1 93.I b F 25001 68.9 84.3 93.9 92.9 9.7 94.5 94.6 94.6 94.6 94.6 94.6 94.6 94.6 94.6 98.6 96.6 G E 20001 69.4 89.8 93.0 95.9 97.7 97.7 97.8 97.8 97.8 97.8 97.8 97.8 97.8 97.8 97.8 97.b 6E 180n1 69.4 89.8 93.J 95.9 97.7 97.7 97.8 97.8 97.8 97.8 97.8 97.8 97.8 97.8 97.8 97.8 GE 15001 69.5 90.3 93.5 96.6 98.6 98.6 98.8 98.8 98.8 98.8 9p.8 98.8 98.9 98.8 99.8 98.8 GE 12601 69.% 90.5 93.8 96.8 99.3 99.0 99.2 99.2 99.2 99.Z 99.2 99.2 99.2 99.2 99.2 99.2 GE ICC01 69.6 90.6 91.9 96.9 99.1 99.2 99.5 99.5 99.S 99.5 99.5 99.S 99.5 99.5 99.5 99.1 GE 9g1 69.6 93.b 91.9 96.9 99.2 99.4 99.6 99.6 99.6 99b 99.6 99.6 99.6 99.6 99.6 99.6 GE 800 69.6 90.6 93.9 96.9 99.5 99.7 99.9 99.9 99.9 99.9 99.9 99.9 99,9 99.9 99. 9 99.9 GE 7J9 69.6 90.6 93.9 96,9 99.6 99.7 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 GE boi 69.6 90.6 91.9 96.9 99.6 99.7 99.9 99.9 99.9 99.9 99.9 99.9 99.9 "9.9 99.9 99.9 GE r 301 69.6 93.b 93.9 96.9 99.7 99.8 100.0 100.0 100.0 1o.0 100.0 100.0 100.0 100.3 100.0 130.0 Gf 400 69.6 90.6 93.9 96.9 99.7 99.8 100.0 100.0 100.0 I01.0 130.3 130.0 100.0 1n0.3 100.3 133.0 GF 301 69.6 93.6 93.9 96.9 99.7 99.8 100.0 100.0 130.0 107.0 100.0 100.0 100.0 103.3 100.0 130.7 be 200 69.6 90.6 93.9 96.9 99.7 99.8 100.0 100.0 130.0 103.0 10.0 lo.o 100.0 10(.3 100.0 100.0 GE 1Q01 69.4 90.6 93.9 96.9 99.7 99.8 100.0 Ioo.0 100.0 100.0 100. lf Io.t 100.0 I0.0 100.0 100.0 GE 31 69.6 90.6 91.9 96.9 99.7 99.8 100.0 100.0 130.0 100.0 130.3 103.0 100.0 100.3 100.3 130.0 TOTAL NUMBER OF OBSERVATI3NS: 929
GLOBAL CLIMATOLOGY BRENC- USAFETAC AIR WEATHER SERVICE/MAC PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITY FROM HOU9LY OBSERVATIONS STATION NUMBRE: 722866 STATION NAME: VA5 NUYS CA PEPIOD OF RECORD: 77-86 MONT-: MAY lours(lsti: 21P-2300 c ILING VISIRILITY IN STATUTE MILES IN I SE SE 3 E E GE G GE GE GE GE GL GE GE GE GE Tf FEET I to 6 4 2 112 2 1 112 1 1/4 1 7/ 5/8 112 W/16 /4 U NO CEIL 54.7 66.7 A9.9 73.8 71.2 71.2 11.2 71. 2 71.2 71.2 71. 71.2 71.2 71.2 71.2 71. GE 200o 55.0 68.2 71.4 72.5 72.4 72.8 72.8?2.8 72.8 72.8 72.9 72.8 72.8 72.8 72.9 7.9 GE 18700 55.0 68.2 71.4 72.5 72., 72.8 72.8 72.8 72.8 72.8 72.9 72.8 77.8 72.8 7.8 72.8 GE 1600 55.7 68.2 71.8 72.5 72.5 72.8 72.8 72.8 72.8 72.8 72,8 72.8 72.8 72.8 7'.8 72.8 lie 140Uri 55.5 69.4 72.b 73.6 74.j 14.0 74.0 74.D 74.D 74.0 74. C 74.0 78.7 74. 74.7 74.2 GE 120G0 555 69.6 7?.9 70.9 14.3 74.3 74.3 74.3 74.3 74.3 74.' 7..3 74.1 7. 7. 3 74.3 GE 109001 55.7 70.3 73.5 74.5 74.9 74.9 74.9 74.9 74.8 74.9 74.9 74.8 18.9 74.9 78.9 74.9 re 97001 5,.7 70.3 73.5 74.5 74.9 74.9 74.9 74.9 74.9 74.9 78.9 74.9 74.9 74.9 74.9 74.. GE 87001 5S.7 70.3 73.5 74.5 74.9 78.9 74.9 74.9 74.9 74.9 74.0 74.9 74.9 74.9 74.9 74.9 LE 70001 56.7 70.5 73.7 74.8 75.2 75.2 75.2 75. 2 75.2 71.2 75.2 75.2 75.2 75.2 7.2 75.. GE 6000 56.2 79.8 14.3 75. o 75.4 75. 4 75.4 75. 4 75.4 75.4 7, 75.4 75.4 75.4 75.4 75.4 GE S DO1 57.0 71.8 75.3 75.1 76.4 76. 4 76.4 76. 4 76.4 76.4 76.4 76.8 76.4 76.4 76.4 7,. 4 GE 4500 58.3 73.4 76.6 77.6 78.J 78. 0 78.0 74.0 78.0 78.0 7A.0 78.0 78.0 78.0 79.0 78.:2 GE 41 o7 58.8 74.3 77.5 78.5 78.9 78.9 78.9 78.9 78.9 78.9 7r.9 78.9 78.9 78.9 7P.9 78.9 GE 3S00 61.1 77.0 83.2 81.2 81.6 81.6 81.6 81.6 81.6 81.6 81,6 81.6 81.6 81.6 81.6 91.6 G E 370(7 629 79.3 67.5 83.5 83.1 33.9 83.9 83.9 83.9 83.9 63.9 83.9 83.9 83.9 87.9 8.9 GE 2500 64.0 81.3 84.7 85.7 86.1 86. 1 86.1 86.1 86.1 86.1 86.1 86.1 86.1 96.1 36.1 96.1 be 2000 64.7 85.5 89.1 93.2 90.5-0.6 9fl.6 90.6 90.6 9:.6 97.6 90.6 90.6 90.6 9.6 90.6 re 18001 61.0 86.0 89.5 93.7 91.1 91.1 91.1 91.1 91.1 91.l 91.1 91.1 91.1 91.I 91.1 91.1 GF Isoo1 6 S 5 87.1 9.7 92.5 93.1 13.1 93.1 93.1 93.1 93.1 93.I 93.1 93.1 3.1 93.1 93.1 GE 12301 65.1F 97 A 91.9 94.0 94.7 94.7 94.7 94.7 94.7 94.7 94.7 94.7 94.7 94.7 94.7 94.7 GE I100 65,.8 87.9 97.3 94.7 95.6.b 5.6 95.6 95.6 45.6 95.6 y-.6 95.6 95.6 95.6 95.5 9S.b sr 9001 65. 87.9 7. 3 94.7 96.c 96.0 96.0 96.0 96.0 96.0 96.0 96.0 96.0 96.0 96.0 96.0 GE Fmrh 65.9 88.0 93.1 95.9 97.4 97.4 97.4 97.4 91.4 97.4 97.4 97.4 97.4 97.4 97.4 97.4 (GE 701 65, R 98.L 93.2 96. 3 97.9 77.9 97.9 97.9 97.9 97.9 97.9 97.9 97.9 97.9 97,9 97.9 6E 607 65.8 88.0 93. 96.3 99.2 98. 3 98.5 98.5 98.5 91.5 99.5 98.5 98.5 98.5 98.5 98.5 GE 500 65.9 88.0 93.3 96.4 99.7 99. 0 99.2 99.4 99.4 99.4 99. 99.4 99.4 99.4 99.4 99.4 GE 47U0 65.8 88.0 97.3 96.4 94.7 99.0 99.5 99.7 99.7 99.7 99.7 99.7 99.7 99.1 99.7 99.7 GI 30o 65.8 88.U 93.3 96.4 99.7 99.0 99.7 100.0 100.0 100.30 100.0 100.0 100.0 10O.O 100.0 O10.D GE 201 66.8 88.0 93.3 96.4 99.7 99.0 99.7 100.0 170.0 0. 100).0 107.0 100.0 100.3 100.0 100.0 GE 100 65.4 q8.0 93.3 96.4 98.7 99,0 99.7 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 130.0 GE 01 65.H 8.0 93.3 96.4 98.7 99.0 99.7 100.0 100.0 100.0 10.-0 100.0 100.0 100.0 100.0 100.0 TOTAL NUMBER OF OBSERVATIONS: 777 C.,
GLOBAL CLIMATOLOGT PRANCH PERCENTAGE FP1 QUNC OF OCCJRRENCE OF CEILI NG VE9RU AISI8ILITY USGFITAC FROM HOULY OBSERVATIONS AIR WEATHER SRVC/MAC station NUMBER: 722946 STATION NAME: VAN NUYS CA P11OD Of PLCORD: 77-86 M O N 14: M A Y O U S L T I : AL L " '''' '"... "'... ''''''' "...... '''..."... Cl IL INS VISI8 P TN STATUTE MILES IN IGE GE St UI SI GE 6 I SC Al G L1 E1 G1 Et 0G G0E4E (I FEET I 10 6 4 1 2 I 2 1312 114 1 '/4 i /8 112 /16 1/......,............,.............. NO CLTE I 39.6 5.6 55.3 59.q 62. h3.3.3.3 63.3 63.3 63.3 6. 3 63.3 63.3 63.] 3.3 b3.3 LI 20E00 4.9 54.5 53.5 62.1 66.1 65.2 69.5 65.5 65.5 65.5 6.6 66.6 6S.5 6S.5 6,.5 5.A ri 18C001 4C.9 54.6 5.s 62.1 65.1 65.2 65.5 65.5 66.5 65.' Gf.L 5 65 6.5 65.5 6.5 6,6.5 Lf Ib001 90.9 54.5 5.S 62.1 65.1 65.2 65.5 65.5 6S.S 65.5 6. 66. 66.6 65.5 6.5 b.s 1 14"I0O 41.6 56.4 5o4 63.1 66. 61.6666. 7 66. 667 66.7 66.7 66.7.55 66.7 66.7 '6.7 Ul 127071 61.8 5.8 59.8 63.5 66.7 6b.8 67.1 67.1 67.1 67.1 67.1 67.1 67.1 67.1 67.1 67.i GE 10300) 42.4 56.6 63.7 64.4 67. 7 68.0 68.0 68.0 69.0 q.?' 69.0 68.) 65.3 6n.3 '3. ol 900 42.4 96.6 63.3 64.9 67.6 67.7 68.0 68.0 68.0 68.0 6'.7 69.0 68.7 68.0 t.0 b.3 I 6n03) 42.5 6b 63.9 64.6 67.8 67.9 b9.2 68.2 68.2 69.3 69.3 6.3 68.3 68.3 6A.3 6. 3 03 7700) 4 2; 56.9 61.1 64.7 68.0 68.9 68.3 68.4 68.4 68.4 63.4 63.4 68.4 68. 4 6P.4 L5.4 LI 6000) 42.P 57.1 61.2 64.4 68.? 6.3 6P.6 68.6 6,.6 68.6 6.6 696 6.6 6.6 68.6 6t.6 0E 5700) 4.6 t8.- 62.3 65.3 69.1 6Q.4 69.7 69.7 69.7 69.7 6).7 69.7 69.7 69.7 69.7 9q.7 01 4603 46. 1 9.1 63.8 67.5 70.9 30.8 71.2 71.2 33.2 71 2 71.? 71.2 71.2 71.2 11.2 71.2 6 E 400O 46.2 63.0 6.3 69.1 72. 7 72.4 72.7 72. 7 72.7 72.7 77.7 32.7 72.7 72.7 72.7 /2.7 I, 300 49 A.7 U3.1 69.1 71.9 76.? 15.3 75.6 75.6 75.6 76.6 76.6 76.6 75.6 75.6 36.6 15.6 G 300) 51.7 68.1 I2.5 78.5 79.3 1.99 5.2 80,2 80.2 83.2 87.2 8, 1.2 83.2 P).2 90.2 8:-.I I,1 2oOJ 62. A 13.9 75.5 79.6 82.4 83.0 83.3 8 3. 3 83..4 8. A 93.4 43.4 83.4 6.4 4 3.4 CF 20r0) 3.6 73 3 1..3 83.4 87.4 97.5 87.8 87.9 87.9 87.9 87.9 97.9 87.9 87.9 87.9 87.3 61 100 53.6 73.0 71.6 4.4 P9.3 8.Z 88.5 89.6 88.6 A9.6 9p.6 88.6 89.6 88.6 39.6 88.6 01 1500) 64.'1 74.8 41.4 86.7 9r.9 91.3 91.4 91.6 91.5 91.5 91.6 91.5 91.6 q1.5 91.6 91.5 01 12001 54.1 76. 9'.3 98.0 93., 9'.3 93.9 93.9 93.9 94.0 90.C 94.0 94.0 94.0 94.3 84.3 63 1003) 54. 75.6 837 98.b q4.- '44.6 96.4 95. 95.6 96,6 9.6 95.6 95.6 5.6 95.6 95.6 61 Q0 54.,2 76.5 87 89.6 9%. q 96.0 96.1 96.2 96.2 96.2 96.2 9b.2 96.2 06.2 96.2 96.2 G0 PGO 5.2 75.6 82.9 99.j 94.4 95.7 97.1 97.4 97.4 91.5 91.6 97.5 97.5 97.5 97.5 97.5 GE 700) 54.2 75.6 8.9 99.1 95.1 9.9 97.6 98.0 98.0 99.1 94.1 98.1 98.1 98.1 98.1 98.1 Al 600) S4.2 75.6 47.3 81.1 9.? 96.1 97.8 98.3 98.4 09.5 99 A 98.95 9R." 96.5 98.5 98.5 G0 60J 54.2 5.6 83.0 99.7 96.4 96.3 98.1 98.8 98.8 99.2 9Q. q7.2 99.2 99.2 99.Z 99.2 1 44UP1 594.2 75.6 83.2 89.3 96.4 96.3 98.? 98.9 98.9 89.5 9Q.5 99.5 99.5 99.5 99.6 99.5, I 700) 5412 75.6 83.0 89.3 96.' 96.3 98.2 99.0 99.1 I 9.6 91.8 Q9.8 99.8 Q9.8 99.8 99.8 ol 200 64. 75.6 83.3 89.3 95.4 96.3 98.2 99.0 99.3 99.9 90.9 99.9 99.9 99.9 99.9 99.9 GE 10F,1 4.2 75.f6 43.3 89.3 95.. 36.3 98.2 99.0 99.1 99.9 999 99.9 103.0 300.0 100.0 130, 01 0) 54.2 75.6 83.3 89. 9".q 96.3 98.2 99.0 99.1 99.9 9q.9 01.9 100.0 100.0 300.0 100.0..,...,o.............. o.oo.........,..................... o*.......,.... TOTAL N61PR O OSERVA 3 T S: 5648-4
GLOBAL CLIMATOLOGY BRANCH PECENTAGF FR: UENC of OCCJ8PENCE OF CEILING VrSU VI518ILIT USAFET AC EROM HOURLY OBSERVATIONS AIR WEATHER SERVICE/MAC STATION NUMBLE: 722886 STATION SOME1 A54 NUYS CA PE',IC Of PECORD: 77-86 PONITIF J1N HOURS(LS T: 0300-0S0S CEILING, o*..,.*..~~~v............... VISIBILItY. 'I... S,.., R*,., *. 'I * IN.. STATUTE.... MILLS. o....,......*,............ IN I GE GC E GE GE G GE G - G E SC 7 Gf GE GE GE s EE I In 6 5 4 5 2 j'2 2 1 1/2 1 1/4 1 1/4 5/8 1/2 5/16 1/4 0,..,,,.....,....,,,.,...,.,....,,,o,...,..,,....,.,,,...,..,.......,........ NO CElL I 77.: 47.4 5z.6 54.9 56.7 57.7 59.5 59.5 59.5 59.5 57.81 51 59.5 "q.5 59.5 59.5 ue I,000 307. 7 48.4 53.5 55.8 57.7 58.6 60.5 60.5 60.5 62.5 67.8 62.5 63.5 571.5 60.5 7b( GE 18COO 1 37.7 48.4 53.5 55.8 5'.7 58.6 60.5 60.5 b. 5 65.5 b.. 6.5 6. (5., 60.5 5 L7E lb30031 37.7 49.4 5.5 55.8 57.7 58. 6 60.5 60.5 60.5 60.5 6r.5 63.5 60.5 6C.5 6n7.5 62c. se 1400O 1 18.1 48.8 54.3 56.1 58.1 59. 1 60.9 60.9 60.9 6J.9 61P9 83.9 63o9 : []. 9 60.9 6c. 9 (E 12cunI 78.1 89.8 5.3 56.3 58.1 59.1 60.9 60.9 63.9 63.9 6t1.9 3<.9 63.9 60.9 677.9 b5.9 GE 100, 0 3.6 49.3 54.4 56.7 58.5 59.5 61.9 61.9 61.9 61.9 61.9 91.9 61.9 61.9 61.9 61 uf 90of l 78.6 49.5 58.4 56.7 58.6 59.5 61.9 61.9 61.9 61.9 61.9 61.9 61.9 61.9 1.9 b1. GE 8000! 38.6 49.8 54.9 57.2 59.1 6u. 0 62.3 62.3 t2.3 62.3 6'.3 62.3 62.3 62.3 6,'.3 6 2. 6F 70)001 38.6 49.8 54.9 57.2 59.1 6G.0 62.3 62. 62.3 62.3 6'.' 62.3 62. 3 f2.1 62. 3.. 3 GE 60Or' 39.6 99.8 54.9 57.2 59.1 60.0 62.5 62.63 62.3 2.3 6?. 62. 3 62. 62.5 62.3 62.5 GE 50O 34.6 49.8 55.3 57.7 59.5 67.5 62.8 62.8 62.8 62.8 62.9 62.6 62.8 62.4 62.9 62.6 GE 45001 38.6 49.8 55.3 57.7 59.5 60.5 62.8 62.8 62.8 62.6 62.8 62.6 62.8 62.9 02.8 62.8 GE 40003 38.6 49.8 55.3 57.7 59.5 60.5 62.8 62.8 62.8 62.8 62.A 62. 8 62.8 62.8 62.9 6.9 be 350031 59.6 49.6 55.3 57.7 59.5 60.5 62.8 62.8 62.8 62. 8 6 62.8 62.9 62.4 67.9 62- GE 30001 3P.6 11.2 55.9 58.1 60.0 60.9 63.3 63.3 63.3 63.3 67.1 63.3 63.5 63.3 61.5 63.3 GE 25301 18.6 503.2 SS.6 58.1 60.3 60.9 63.3 63.5 61.3 63.5 63.3 63.7 65.5 63.1 65.5 17.3 Sf 29001 39.3 52.1 59.1 60.5 62.1 63.3 65.6 65.6 65.6 65.6 6'.6 65"6 65.6 65.6 61.6 85.6 (,G lor1 39.5 53.0 58.1 61.4 63.5 64.2 66.5 66.5 66.5 66.S 63.5 66.5 66.5 6b.5 66.5 66.5 Ef 151o 1 3.5 54.9 61.9 64.7 67.0 68.4 70.7 70.7 10. 7 7B.7 7".7 70.7 70.7 70.7 3r.7 70.7 E I2 )! 39.5 85.8 60.9 67.0 70.7 72.1 74.9 75.3 75.3 75.5 78. 78.3 75.3 75.3 7.5 75,3 GE 1C0P 39., 6.1 63.3 68.4 74." 76.3 79.5 80.0 80.0 9o.u 8i.0 80.0 80.0 '0.0 80.0 R0.U,E 9001 7Q.5 86.3 63.5 69.8 74.4 78.3 81.9 82.3 82.3 32.3 8'. 92.5 3 92.3 82.3 62.3 GE 800 59.7 56. 63 1 69.8 76.' 8U.0 85.1 86. 86.0 86.0 86.0 86.0 86.0 A6.3 3 86. 9b.2 0 GE 70o1 39.5 56.7 65.2 73.2. 9C.9 88.4 89.8 89.8 89.8 89.R p98 89.4 99.9 89.9 89.8 GE 031 39.8 56.7 64.2 73.2 77.2 40.9 89.3 91.6 91.6 92.1 92.1 Q2.1 92.1 92.1 92.1 92.1 be 'on0 1'.8 6.7 64.? 73.7 77.2 n 1. 4 89.8 91.5 93.5 94.4 99.4 94. 4 94.4 94.4 98.4 94.4 fe 4 Or!o. 56,7 64.2 7 0. 7 77.7 91. 9 90.7 95.8 95.8 97.2 91.2 97.2 97.2 97.2 97.2 97.2 GE 300! 39.5 5.b 7 b619.1 70.7 77.7 81.9 91.2 96.3 96.3 99.6 9..6 98.6 98.6 98.6 98.6 98.6 GE 2001 39.5 56.7 64.2 70.7 77.7 91.9 91.2 96.3 96.3 99.5 99.5 99.5 99.5 99.5 100. 1030.0 (L 1001 39.5 56.7 64.2 70.7 77.7 81.9 91.2 96.3 9653 99.5 9;.5 99.5 99.5 99.5 100.0 Ioo.o GE 01 39.7-56.7 64.2 70.1 77.7 83.9 91.2 96.5 96.5 99.5 99.5 99.5 99.5 99.5 100.0 100.0 TOAL NL'MPE8 OF O85ERV113N5: 7151.4
6L04AL CLIMAIOLOGY BRANCH PERCENTA5E FRQUENCC OF OCCJRRNCE Or CEILING VSU5 VISIBILITY USAFIT ac FROM HOURTLY OBSLRVATIONS AIR,6WEATHE[RgSlllVICEMAL ASIA0 NUMLQ: 22q8 A I ION SAME: VAN NLYS CA P- vio OF PECOP: 77-86 MINT,: JN HOUQSILSTI: 0600-0903.....o.........o......,..,,. o, oo o ~., o~~o oo........................... C *ILING VISIBILITY IN STATUTE NIL... IN I 31 SF i be GE G 6[ 6E St I E 'f. (F G f A b r 6761 I 12 5 4 3 21,2 2 12 /4 1 '14 1/8 1/2 /6 1/4 5............................................,.... I.......,.,...,..*o,.,.,......~................,....... *... o.. N0 CE I 27.0 7.' 42.5 45. b 48.6 4m.9 52. 1 5 53.s S3. 5'.' '2.5 ''.5.5 56.5 SL.5 b[ 12"C1O a 2C 1..1 44.1 47.4 5G.4 5'.9 52. I S2. 5.5.5 ' 5 52. 5.5 2.5 6E Iti OL 2 9.3 49.1 47.4 54.6 54.9 S. 52.S S.S 5US 5.5 52.5 52.5 S2. 52S U.S5 br I uol 2q.! 19.7 44.3 47.4 5,.9 515 52 s2.5 52 5'.,,. 52.5 5U.S GE 14 1O 29@, 1,. A49.1 4.9 SI.' 51.? 52,. 53.1 1.? 31.7 61.1 5'.. 13.5 1. 3 5. 13.1 U E I220 3O.1 83.2.5.2 495.4 si. I,Z.1 51.2 S3. b 5.6 '1.6 5'. 57.6 S.6 c1.6 S'.6 'US b I C 0I 30?1 '143. 457 48.9 U., Sz. 54.I, 49.5 $4. S.5 5L.5.5 54.5, S '4.5 62 922O 33.1 46.7 'o.5 48.9. 52.4 54 S', 54.5 54.4 s. Us54.5,.5 S4.5 q4,5 Gf 9C0 31,0 41. 46.1 49.4 52.: 53. 4.5 54.9 4.9 541. 5'1.. 54.9 4.9 54.3 54.9 () 7200 'I. 41.2 '5. 1 49.4 52. S,2.S9 1.3 54S 4 4,9 9 5 4. 9 59.4 54.4 54.9 '4.9 59,.' IF 61on 3 1. 41.3 45.1 44.4 52. 53.3 5 5 54.9 54.9 64 9 5Uo' 54.9 54.9 4.9 54.9 59.4 SC 52 31 1, "l0b.' 44.5 51.1 S 3. 4 $ 5.6,S 55.1 1S.1 5'.1 SS.I "'.l SS.1 65.1 '5.1 56 4&0 31.2 '41.6 45.2 49.5 S,1 53.4 54.6 SS. 1 55.1 5.1 S. 1 S. S5.1. 5. SF 20w 11.5 41. 45,2 49.5 S.) 3.48;.6 55.1 ss. I' 5'5.1 5. 5'.I 55.1 55.1 5.1 SS.1 SC 3'09 114 "1.5 46.1 4t.9 3 5 ' '3. 5'1 5S 65.5 S15 65.5 65.5 55, SS.5 5S.5 55.e Sf 7001 31.44 41.4 46.3 50.1 51.9 54.2 5q,4 SS.8 SS.8, S5.8 S'.8 SS.8 SS,9 SS.8 SS.8 55.9 27 2O31 32.r 43. 49.:2 15 r5.1 'S.4 56.6 57.1 5711 67.1 51,1 57.1 57.1 ST.) 57.1 57.1.: 231 32.6 44.4 53.9 54. 5 5 ',8: " 59.7 : 60.2 40 63.2 5".? 0.2 69.2 60.2 60.2 6C2 IR0O 12.9 45.7 41.5 51.49.1' 5. 59,5 59.8 61.1 61.5 6).5 b1.5 b.s 615 b15 51.5 SF 10 11,3 4h. 5.9 62, 66.4 61.3 68.2 6 8.7 b 7 69.1.1 69.7 68.7 68.7 68.7 68.7 SF 12'c' 33.7 49.8 59, 66.3 1.6 15.0 11.0 7.8 718 77.8 77.9 7.8 7.9 7.8 77.8 711.8 t, IGO 1 3 4 58.1 69.9 67.6 77.9 79.5 82.5 81.9 67.4 A3.4 80.4 1.4 81.4 9.4 83.4.93,4,L qo 1.5 S0.2 60.3 67.9 79, 1.a 8.3 86.,286.2 81.3 46.1 86.3 86.3 86.3 86.3 l6.3 GF 800 33.5 56.3 60.2 66.4 80.2 82.6 89.3 89.4 89.4 8.8 @q9p 89.8 99. 8 89.8 89.9 B.8 Sr 1001 3916 50.3 63.2 68.4 80.04 R3.2 89.9 91.7 91.7 2.2 92.2 92.2 92.2 92,2 92.2 92.2 G I F931 7I.5 50.3 6).2 68.4 8.o 33.8 91.1 93.2 93.2 '4.4 94.9 94.4 94.4 94.4 94.4 94.4 SC 51r 313.4 50.3 63.2 68.4 80.9 84.2 92.o 95.0 95.1 97.1 7.3 97.3 97.3 97.3 97.3 97.3 65 '4001 11.' 50.3 60.2 68.4 80.9 4. 3 92.4 96.1 96.2 78.7 99.2 99.0 99.1 99.1 99.1 99.1 66 'OO 31.S 50.3 63.2 68.4 80.9 84.3 92.4 96.2 96.3 49.1 9,b5 99.6 99.7 9.7 99.7 99.7 2[ 20:1 3.' :." 63.2 68.4 80.9 94.3 92.4 96.2 96.3 99.3 99.9 99.9 103.0 103 100.0 10.0 bs l0. 3 33.5 50.3 63.2 68.4 8.9 84.3 92.4 96.2 96.3 99.3 99.9 99.9 100.0 100.0 100.0 130.0 G 1 0 31'.5 so.3 63.2 6.4 83.q 94.3 92.4 96.2 96.3 99.3 94.4 99.9 100. 100.0 100.0a 100.0 TOTAL NU481P OF OSrVa 1 5IONS: 499 we
GLOBAL CLIMATOLOGY BRANH( USAFETAC AIR WFATHER SERVICE/MAC PEENIAGE FR:UENCY OF OCCJRQENCL OF CEILING VB6SUS VISIBILITY FROM POUqLY OBSRVITIONS STATION NUMBER: 722986 STATION NAME: VAN NUYS CA 'E"I30 OF PEC0PD: 77-06 4(,N14 : JUN 3UPSu IL ST I 09J. I OD LEILING VISIBILITY IN STATUTE CMILES I N GE GE 3F G E GE V IE C G- GE GE GE GI GE I 6 E L FTLT I 1( 6 4 2 lf/ 2 1 112 11/4 1 '/4 5/8 112 1/16 1/4,,. **......... *...,.o..*,.,.,,....,.,.,.......,*.....,. *.....,,,...,.,,,...,...,... NO CEIL 26.8 l.l7 57.2 56.J 66.9 67.3 67.7 67.7 67.7 67. 7 6'.? 67. 7 67.7 67.7 67.7 67.7 GE O0T0T 27.8 43.A 57.3 58.1 6.6 TL.0 70.3 70.3 70.3 70 3 7.. 7. 70 7.3 Ill:, I. be 18011 27.8 41.4 3 2.3 58.5 6,. 70.0 70. 3 7 03 73 73.1 7r.1 7. 7.3 70.3 7.1 7. 6[ I6tGo0 27. @ 40.B, 3 S.1 6.b 70.0 70.3 70.3 70.3 70., 723.7 7r].3 73.7 7 j.3 7'.3 '3 1E 1401U 28.1 44.7 53.7 59.1 77.7 71.1 71.4 71.4 71.4 71.4 71.4 71.4 71.4 71.4 71.4 71. GE 12100 24.2 44.8 57.1 54.2 70.4 71.2 71.6 71.6 71.6 71.6 77.6 71.6 71.6 71.6 71.6 71.6 GE IO001 28.8 45.3 54. 6D.2 72.Z 72.7 73.0 73.0 73.0 73.0 7.0 73U. 73.0 3 73.U 73.7 75.] GE 9030 28.8 45.3 541 63.2 72.2 72.7 73.0 73.0 73.0 73.0 75.7 73.0 73.2 71.3 75.3 73.2 GE 80o 29.1 45.8 54.6 61.7 72.7 73.1 77.4 73.4 73.4 73.4 77.4 73.4 73.4 71.4 7'.4 77.4 GE 72004 29.1 4.8 a 54. 60.7 72. 77.1 73. 4 7.4 73. 4 71. 4 7. 77.4 7.4 71.4 7'.4 77.4 GE 67o01 29.1 45.8 54.6 60.7 72.7 73.1 74. 73.4 77.4 73.4 74.4 77.4 73.4 77.4 75.4 71.4 GE 5OO 24.2 5.9 64.7 60 9 72.A 73.2 77.6 73.6 73.6 73.6 7( 73. 77.6 7.:6 77.6 7.1, GE 4500 4.2 45.9 54.7 60.9 72.8 73.2 73,6 73 6 73.6 73.6 75.6 73.6 73.6 73.6 75.6 71, GE 4POO1 29.6 46.2 55.c 61.1 73.1 73.6 73.9 73.9 73.4 73.4 7q 77 9 77. 73,9 75.8 '1 6 E 3501 30. 2 47.0 5.8 61.9 77.7 74.3 74.7 74.7 14.7 74.7 74.7 74.7 74.7 74.7 74.7 74.7 GE 30O 3 1.49 0 47.9 55.8 63.L 75.P 75.4 75.8 75.8 75.8 75-8 76.9 75.4 75 76.8 76.8 75.S 1, 205or 71.Q 5.3 59.3 66.6 77.6 78.3 78. 783 78.3 78.3 73 78.3 74.3 78.3 78. 76.1 GE 200 70.7 53.4 6s.3 72.2 84.6 85.2 8.6 BS. 6 8 66 86 8 b 856 5. 6 5.6 86.6 A6.6 C 18004 37.9 54.7 65.2 73.7 86.1 86.9 87.7 87.2 87.2 87.2 87.2 87.2 87.7 t.2 87.2 47.2 GE 167I 32.8 5. 64.1 76.6 84.4 90.4 91. 9 91. 41.2 311,21.2 91.2 91. 2 q1.? 1.2 q1.2 GE 1200 32.9 55.3 69.1 78.2 43. b 5. 46.7 46. 0 6.1 96.3 9.0 96.0 96.7 6.0 46.0 4.0 GE 1704 31. 55.3 67.2 78.3 94.7 46.7 98., 98.3 98.3 94.3 9.l 98.3 99. 48.3 98.1 41.7 GE go 32.8 65.3 63.2 78.3 94 4 9 98.6 98. 9 44.4 9',g 48.4 88.4 48,9 44.3 96.4 GF Rl 32.8 86.7 67.2 78.7 93.8 97.3 44.2 q9.7 99.7 q4.7 9.7 99.7 9,7 q9.7 9 7 4.7 GE 707 5. 69.2 78.3 4. 37.1 4.4 99.99. 49 9 8.9 99.9 9.9 94.9 99.3 G E 6004 72. 56.3 69.2 78.3 947 7 1 9944 9. 8.9 94 * 94 8.3 34 444 44 GE 60.72. 66.3 b. 78.3 9 4.3 97. 99.. 199. 9 99.9 9979 0.9q 99.9 99..9 Q.9 99.9 bg 4004 72.8 55.7. 781 944 97.1 49.4 100.0 131.0 0: 1O 0U 0 10.0 103. 10o.0 137.0 103.0 G 710 32.8 553 63.2 78.3 9.49 97.4 994 100.0 103.0 13. 0. 0 1, 100a.0 0.0 70.O0 GE 200 32.9 55.3 63.2 78.3 4.9 7.1 44.4 100.0 10.0 103.0 13.7 100.0 1GO.0 100.3 00.0 100.0 GE 1001 72.8 55.3 07.2 78.3 94.9 7.1 99.4 100.0 100.0 I0.o 100.0 100. 0 1 400.0 100.0 100.0 GE 34 32.8 55.3 69.2 78.3 94.9 97.1 99.4 100.0 100.0 100.0 OO.0 100.0 100.0 100.0 110.0 100.0 TOTAL NUMBER OF OSERVATIDNS: 930.-. _
GLOBAL CLIMATOLOGV npanch PERCENTAGE FR8:UENCY OF OCCJROENCE OF CFILING V' LJS VIB191LITY USAF T AC FROM HOUILY OBSERVATIONS AIR WFAT6ER S ERICE/'A C STATION NUM81P: 722896 STATION 44ME: va N NUTS CA PEP100 OF PECOD: 71-86 MNTI.: JUN HOURSILSTI: 120C-1403.......o.,,....*, o.....,,.....,..,...,.. o,o,.,.,,,.......,.......,............... CrIN 9IS0F3L039 IN STATUTE MILCS IN I G GE O[ E GE 6 G G GL G E SE GE GE E Gf FEET I 10 c 4 2 11 2 2 1 1/2 1 1/4 1 /N,/8 112 9/1 1/4 0 *..,,..,...,..,....o......,,,o...,... o.,.,..,,...,,....,,........ *........,...... NO CCIL 34.2 55.4 65.6 73.6 79.1 79.7 79.8 79.8 79.8 79.8 71.8 73.6 79.8 79.8 79.8 79.6 E 2-0lC9 30.7 S8.9 71.1 77.3 83.3 83.9 84.0 8E.0 d4.0 94.0 84.0 04.U 84.0 94.C 894.0 A4. (E 12021 3f.3 SA.9 7).1 77.3 81.3 83.9 89.0 84.0 84.0 84.0 8940 4.0 804.0 94.3 84.3 94.0 GE 16000 S6-7!a.9 7J.1 77.3 83.1 a3.9 84.0 84.0 84.0.4.0 94. 89.0 99.0 P4. 3 84.3 4.2 GF 14rO0 37,3 59.7 I 1.1 78. 3 84. 3 4.9 85.0 8.0 85.0 85.0 85.r 85.0 8. 8.. a 09.2 '. GE 12G01 37.1 6J.0 71.4 78. 7 84.7 OS.2 85.-3 85. 8.1 85.3 89.3 85.3 85.3 85.3 8S.1 0S.1 E 10000 1 37.7 C0.7 72.1 79.3 85.9 86.6 86.8 86.8 86.8 86.8 66.9 86.8 86.8.a -6.8 6.6. GE 9n001 37.7 6.7 7?.1 79.3 8. 9 86. 6 86.8 86. 8 86.8 85.8 8.8 96.8 86.9 b. 4 15.9 90.0 GF 42001 37.7 61.U 7'.4 79.7 86.2 86.9 87.1 87.1 87.1 97.1 87.1 7.1 87.1 07. 1 07.1 R7.1 GE 72001 37.7 61.] 72.4 79.1 86.2 86.9 87.1 87.1 87.1 R7.1 87.1 87.1 87.1 87.1 97.1 R7.1 UE 600 37.7 61.U 17.4 79.1 86.2 86.9 87.1 87.1 87.1 97.1 87.1 97.1 87.1 p7.1 o7.1 ;7.I E SC00 37.8 61.2 72.7 79.9 86.4 87.1 87.3 87.3 87.3 87.3 87. 87.3 87. P7.. 77.7 7.3 G E 49U1 13.2 61.4 7.9 00.1 86.7 97.3 97.6 87.6 8.6 87.6 6'.6 7.6. 87.1 87.7 87. 97.6 6F 40DO 38.0 61.4 77.4 80.1 86.7 87.3 97.6 87.6 87.6 87.6 87.6 97.6 87. 5 87. 97.6 P 7.6 GE 3' On 38.7 62.4 74., 81.2 87.0 88.4 88.7 88. 7 88.7.7 p. R 4.7 8R.7 qr.7 89.7 96.3 F 33001 40.3 65.8 177.6 84.8 91.3 92.3 92.2 92.2 92.2 92.2 9". 9.'.2 92.? - 2.2 92.7?. of 2t001 4r. P 67.2 92 86.8 93.3 94.3 94.2 94.2 94.2 94. 94.2 14.2 94.7 04-2 99.2 94.2 be 22001 41.0 67.6 8).6 08"9 96.] 97.0 97.2 97.2 97.2 07.2 97. 97.2. 97.2 07.2 97. 7. GE 18Do1 4 1. 67.7 9.9 89.2 96.1 97. 4 97.7 97.7 97.7 97.7 97.7 Q7.7 97.7 97.7 97.7 97.7 GE 15001 41.2 67.9 81.7 90.3 98.4 99.1 99.3 99.3 99.3 0?.3 9' 3. 99.3 09.3 99.3 9-.3 99.1 GE 12001 41.p 67.9 91.9 90.4 98.3 99.6 99.9 99.9 99.9 99.9 9.9 99.9 99.9 99.' 99.9 0.9 ue In001 41.r 67.9 81.H 90.4 98.S 99.7 100.0 I0go 10.0 120.U 1 0.2 100O.0 103.0 170.0 IO..0 13.0 GE 9001 41.7 67.9 1.4 93.4 98.8 99.7 100.0 100.0 100.0 10j.L l1p.r 1(0]. C 100. 1I0.0 1Un.0 1:2.0 GF A00 I 1.P 67.9 81.9 90.4 98.9 99.7 100.0 CO0. 0 130.0 103.3 100.0 120.a 103.0 103.3 100.2 1'J.0 LF 700 41.2,17.9 81.8 90.4 98.4 99. 7 100.0 100.0 100.0 ino. 0 10r.0 10).0 133. I 120.0 IU0.9 130.0 GE f00 41.0 67.9 91.4 90.4 98.9 99.7 100.0 100.0 130.0 100.0 1 0r.0 100.C 100.0 100.3 100.3 1U. GF 93 or 41.2 67.9 h1.9 93.4 98.9 09.7 100.0 100.0 130.0 103.0 102.0 100.0 103.3 100.0 100.0 12L.G, 1F CO 4 1.0 67,9 81.8 9J.4 98.. 99.7 100.0 100.0 10.0 I1o.0 100.0 1o0.0 103.0 100.0 100.3 130.0 GE CO4 l 6 1.9 81.9 93.4 99.h 99.7 100.0 100.0 13O.O I C7.O. 1O3.O 100.0 100.0 100.0 10C.0 (r 2001 41.0 67.9 A1.9 93.9 99.4 99.7 100.0 100.0 100.0 19.0 1U..0 103.0 103.0 100.3 100.0 100.0 G F Ion1 4 1.0 ) 67.9 8.a 90.4 99.9 39.7 100.0 1O0.0 100.0 103.0 1O.0 100.0 100.0 100.0 100.0 10G.0 GE l 41.2 67.9 81.9 93.4 99. q9.7 100.0 100.0 100.o 1O0.O I0o.r 1.0 103.0 100.0 100.0 100.0......................... TOT AL NUM PE Of 8T 8V TIONS 9j
GLOBAL CLIMATOLOGY FIRANCH L SAFETAC AIR W[ATPER SERVICE/MAC PERCENTAGE FREQUENCY OF OCCJRRENCE OF CEILING AFRSUS VISIBILITY FROM F-OUILY OBSERVATIONS STATION NUMRIA: 92286 STATION NAME: VAN NUYS CA PEI00 OF PECORD: 77-86 MONTH: JUfj HOURS LSII: 1501-1703 CEILING A ISIBILITT IN STATUTE MILES IN I SE 5E E GE GE CE G G EO GE GE E G GE GE GE 1r FEET I 1r F 5 N 3 2 1 / 2 11 2 1 1/4 1 '/4 1/8 1/2 5/16 I/ 0 NO CEIL I 52. P 6.1 9). 82.? 85.1 85. 1 85.1 85.1 85.1 I 5.1 as.1 95.1 9S.1 R5.1 8.1 9.I WE ZO0O0 55.4 79.4 83.B 46.1 88A. 88.7 A.7 88. 7 88.7 88.7 40,7 R9.7 88.7 88.7 88.7 S.7 G E 18-0 55.4 79.4 83.5 86.1 88.7 99..7A.? 88.7 8. 7 A. 7 3.7 88.7 aab.7 88.7 8P.7 asi SE 167 001 55.4 79.4 83.A 86.1 99.7 F8.7 88.7 88. 7 89.7 899. 7 A 8.7 88.7 8.7 NA.7 A.7 GE 14CUO3I 5b.I s0.2 8.7 97.j 89.6 89.6 89.6 89.6 89.6 89.6 40,6 R9.6 89.6 R9.6 498. 9.b GE 12700 1 5.1 8.2 84.1 49. N 90. 90.0 90.0 90.0 90.0 90.0 9 "7.0 99.0 90.7 00 9n, 9J. GE 107001 56.4 8J.9 8i.4 88.3 91. 91.0 91.0 91.0 91.0 91.0 9.g 91.0 91.0 91.0 91.0 91.2 GE 9C00 56.4 90.9 95.4 88.3 91.! 1.0 91.0 91.0 91.0 91.0 91.f 91.0 91.0 91.0 91.7 91., GE 80UO 56.4 81.2 85.9 A88 91.6 91.6 91.6 91.6 91.6 91.6 91.6 91.6 91.6 91.5 91.6 91.6 GE 7C00 56.4 81.2 as.9 99.8 91.6 91.6 91.6 91.6 91.6 91.6 91.6 91.6 91.6 q 1.6 91.6 1.6 SF 6000 56.6 81.3 85.0 8-9 91.1 91. 9 91.7 91.7 91.7 91.7 91.7 91.7 91.7 91.? 91.9 91.9 GE SOO 56.9 82.] 9.5 99.6 92. 3 92. 9.3 92.3 9.3 92.3 92.7 92.3 92.3 q-.3 92.3 9.? GE 4o001 57.4-2.6 7.2 9j.1 92.9 92.9 92.9 97.9 92.9 92.9 92.9 92.9 92.9 92.9 92.9 9. q GE 40001 57.4 2.6 87.2 90.1 92.9 9_.9 92.9 92.9 92.9 92.9 91.9 92.9 92.9 97.9 92.9 9, SE 3500 59.?1 84.1 99.9 91.7 94.4 94.4 94.4 94.4 94.4 94.4 94.4 94.4 94.4 94.4 94.4 94.4 4E 30001 59.3 S5.b 93. 93. 1 95.9 95.9 95.9 95.9 95.9 95.9 9'.9 95.9 9S.9 95.9 99.9 91.? GE 2 0 5Q.9 86.9 91.4 94.6 97.4 97. 4 97.4 97.4 97.4 97.4 97.4 97.4 97.4 97.4 97.4 ;7.4 SF 20001 60.1 F7.3 92.4 95.6 98.7 98.7 98.7 98.7 98.7 99.7 9F.7 98.7 9s.97 8.1 9P.9 96.7 (SE IRol 6.1 97.6 93.0 96.1 99.3 99.3 99.3 99.3 99.3 99.3 99. 99.9 99.3 p9.3 99.3 99.1 GE 15001 60.1 49.6 93.3 96.6 100.0 100. 0 100.0 100.0 100.0 170.0 10.l 100.0 103.0 100.0 107.0 17.2 0 GE 1701 60.1 87.6 93.3 96.6 1 O0.59 120.0 100.0 100.0 100.0 100.0 107.n 199.0 I 100.0 100U.0 11. 10Ct.U GE I001 60.1 97.6 93.3 96.6 100.0 10U.0 100.0 100.0 100.0 1no.o 102.0 10.0 103.0 193.3 IOC.0 193L. GE 9001 60.1-7.6 99.3 96.b 00.5 10.0 0.0 10o. 130.0 o00o. 107.7 10..0 100.0 1o. 00.0 0lo.9 GE b1 62. 1 A7.6 91.3 96.6 100.J 1 00.0 100.0 I00.0 100.0 113.0 101.9 100.0 103.1 1O.0 190.0 130.3 G 7-01 6.1 89.6 93.3 96.6 1G0.0 1CO.0 100.0 100.0 100.0 100.0 1or.0 1CI0.0 100.0 100.3 100.0 12 0. GE 6001 6..1 97.6 93.3 96.6 100.71 10.0 100.0 1o0 0 100.0 90.0 10".0 103).0 100.0 1no.0 1UC.0 170.0 (I F. 00 60.1 97.6 93.3 96.6 100.0 1U0.0 100.0 100.0 100.0 lno.o 10.0 1o0.0! 100. 10. 10.0 G 100.0 GE 4UOI 67.1 R7.6 9.3 96.6 100. 10. 10 l0.0 100.0 0O I0.0 10p.7 I97.0 103.2 100.0 100.0 120.0 GE 3701 60. I 99.6 93.3 96.6 100.') 1 70.0 100.0 o00.0 100.0,00.0 107.0 109.0 1300 100.0 100.0 100.0 GE 2001 60.1 97.6 99.3 96.6 100.]. ILO.0 100.0 l00.0 100.0 100.0 10.0 1000.0 103.0 1nO.O 100.0 100.0 6E I001 60.1 P 7.6 93.3 96.6 100.? I1oc.0 I00.0 i00.0 t00.0 100.0 10.i 100.0 100.0 1no.0 1O0.0 100.U E I 1 60.1 87.6 93.3 96.b 100 ; 120.0 loo.0 100.0 130.0 100.0 IaI.f1 103.0 100.0 lo0.0 100.3 100.0................,,.........,...........,...o..,,.......,...,......,.... TOTAL NUMAFE OF OBSErVA TIONS 900-4@
GLOBAL CLIMATOLOGy 8RANCH PEkCENTAGE FP- 4Ur4Cv Of OCCJANENCE OF CEILING VERSUS VISIBILITY USAFEIAC FROM 00LY OBSERVATIONS AIR WEATHER SERVICE/MAC STATION NUMBER: 722866 STATION NAME: VA% NUYS CA L IO or PLCO D: 71-8f K 9H: j: I H, 8Uq Cc fri L 03i4L2 CEILIG 19AiSIBiL 17 A IN SL TE TiLE I9 N GE GE 37 f E G c 01 G GE GE ELE GE 1F - b f FELT I r C 5 4 1 1 e 2 1 112 1 1/4 1 '/4 5/8 1/2 /7 /I I/ L.....*., *..................,,.....................................,..............,............ NO CETL 1 A.0 82.I 84.9 50.3 p8,2 07.2 87.2 81.2 87.2 97.2 87.2 87.2 87.2 7.2 87.2 7.2 GE 2FC 00 67.3.7 4,7.4 8 89., A9.8 89.8 89. 8 89.8 8.9. 8 8.8 88 998 4. 3 89.8 P, GE 187'0O0 b7.3 8.7 87.8 H8.9 A9,I B9. 8 89.8 98.8 89.8 q. 80. 8-9.8 19.o QqB I9.. 8 0.6,F 16OUO1 67.1 p 4. 87.4 8.9 sq., 89.8 89.8 s9.8 88.8 P9. 9 P.8?.8 89.9 A9.8 H9.8 q9.9 14 18GO1 67.9 85. S 8 8. 9.4 9. ;9(.3 90.9 90.3 90.3 92.9 9 9.9 90.1 q0,9. 7.7 I.3 1,L 2oo1" 68.27 85.3 ~ 1 89.9 90. 1 90.9 92n.9 93. 9 83.9 93. 9 9".9 89.9 903.9 9-9 90n.9 ". SF I "D I 68.C q5., 80. 911.3 9. 01.3 91.3 91.91 3.1 87,3 91. 91.3 91.7 91 3 91.! 1. G 8.cGOI 68. I %.1 98.9 93.9 91.9 1.9 91.0 91.9 91.9 91.9 97.9 91.9 91.9 91.9 91.9 '1. "F 72, I b8. I b.1 81.9 90.q 9i. 01.8 91.9 9.9 9i.9 91.9 9.9 91.8 91.9 1.9 91.9 9I.9,1 627G0 b6,. %.2,3d3 91.2 92.71 92.0 92.0 92.0 92.0 92.3 9'.? 92.0 92.0 92.0 7.3 02.0 CF 5Ug 6.2l8R. 6., D J 92.i 92.3 92.O 92.0 92.0 92.u 92. 92.0 92.', 2.3 92.3 92I 7,9 4',2L1 6-.2 p 86.2 1. 1.0 91.0., 9. 92.0 92.0 9.1 802.0 9.0 9.0 92. 802.3 02 9;. (,L 400160 69.2 F6. 1 8. 91.7 2.I 92. 1 92.i 92. 1 92. 82.1 92.i 97.1 92.1 91 92. 1 17, 1 3'7 6. 97. 3 13.1 92.1 913.1 93. 1 8 3.1 93. 1 9 3. 1.1 93. 91. 1 97.1.1 93. 1 99. 3.i 93.7 773 1 r7.7 88.71 1.1 93. 5 98.7 94. 3 98.3 98. 3 84.3 98.03 94.T 94.3 94..394. 8.7 04.3 i,7 2LC 71.7 8,.3. 04.0 96.1 90.1 96.1 96.1 85.1 96.1 97.7 96.1. 1 ',.1 9t6.1, 17 7 1.P. 1.; 34.? 96.8 9.1 98.1 98.1 98.1 98.1 98.1 9P.I 98.1 99.1 I 8.1 98.1 38.I i FLo 7.8 A,. 9.1 97. 98.& 98.0 98.6 98.6 98.6 98.6 98.6 98.6 98.6-8.6 98.6 9.5b (,1 1 ' 7" 1.P 91.6 9. 97. 99. " 99.0 99.0 99.0 99.0 99.0 9>.0 89 Q.0 99. 99.0 99.0 99.j 6 E I17I71 71.8 A.'. 91.3 99.1 99.1 99. 1 99. 1 9 99.1Q9.1 q.1 91 9l 9q.1 99.1 bf 17,7n1 11. 91.7 9. 7 97,.i 99.' 99.6 9.6 99.6 99.6 09.6 9Q.6 99.6 99.6 99.6 98.6 99.s I,! 9(07 77.8 97.7 0. 3 97.5 99.9 98,7 99.7 99.7 99.7 9.7 9-,3 99.7 99.7 99.7 99.7 9.7 'IF 8>11 71.7 91.1 9g.5 97.6 99.8 99.7 99.7 99.7 99.7 99.7 08.7 99.7 99.7 99.7 99.7 99.7 G,7 7,11 716 A 1.7 9;. 97.I 99 99. a9 98.8 99.8 99.8 99.8 99.9 9.8 99.8 99.8 98.9,. t, 6771 71.8 9, 97 8.7 97.7 Q9.7 99.9 99.9 99.9 9.9 999 9.2 90.9 99.9 99.9 09.9 09g. f 'U" 71. 97.7 9.7 97.b 99. 172ll.3 lo07 100.0 I03.0 I'O., Iu7. n 1[00.0 100.0 171.2 IOP.0 I:0.2V (F 0focl 771. I.7 9.3 97.8 99.9 130.0 100.0 IO0.0 i32.0 17D.0 Io.0 120.0 1313.0 10.3 I00.0 I2.0 7 3ic01 718 91.7 99.3 7. 9. I 100 100.0 700.0 IUO D 173.0 10I.V I12.( 133.01 1777.0 100.0 12v.0 2, (I 1 71. 9.7 9s.3 97.8 99.4 1,U.O 100.0 100. 0100.0ga1. I00.0 103.0 1O.3 1077.D I10.0 F[ II 11. p 1.7 95.9 97.8 99.0 I1 2.3 100.0 IOU.0 100.0 102.0 107,2 100.0 103.0 100.0 10.0 12O0 6F PI 771. 91.7 99.3 97. 99.0 1ro.0 100.0 I. 103.0 130.0 102. I22.0 100.0 o 1O 00.3 13O.U......**... *.,,......,,,..,..*,,,,,........,,.,..... *...,.,...*...,,...... 1OrAL NLIM;9P OF 08SF RVA1IONS 930 _,i,
CLAL CLIMATOLOG -ANCF P[k CENTA5E F:QLUECY OF OCCUOECNCE OF CEILIlb V L VIIIBIILITY USAF LTAC FROM HOULY OBSLOVATIONS AIR WFATHEP SRVICL/MC STATION NUMOF : 727 06 SIATION NAME: VAN NUYS CA r EJ100 OF IECOR[: 77-86 MNTf : JUN I U7P51L3T( : 21 3.....,*...*.., o,..**....o........................................... c LI VISIOILIT 7 IN IATUTE MILL' I N F L 57 3F GO GE GC GE GE GL GC 4 L G DL E CE c7 5 fele I 1 4 3 2 1 2 2 1 I/P 1/ //4 I 5/6 1/2 /16 I/4............................ NO CFIL I 61. I 71, 84.7 85.6 86.1 06.1 06.18 6 06..1. c.1 76.1 b6. Rb.1 8.1 t.i 7 U 00 60 01.7 -'2. 9s7 75. 6. 3 07f.4 q 76.08 06.0 06.08 06.7 A 6.S ''. 'b.v 46.7 76.08 (6.0 61. u L18I f, 17.7 02.10 03.i3 '6.3 06.7a 96.0 0 6.0 06.08 06.8 06.8 q'. P'7.0A 06. 76.80 06.9 q (7 16 2L2 6I.7 90. 85. 06.1 06.7 b6.8 86.8 86.6 66.8 6.8 P'.? A6.8 06.8 6.8 A.6 '6,6 (7 14' 1 62 1 2.- 03.9 6.8 87.3 H7.3 07.1 07.3 8.3 p.3 37.3 F7.7 0.3 '7.3 AT3 1,3 F 121I[1 6 a21 72.3 43.9 6.8 77.7 77.3 07.3 7.3 87.3 87. 3 87.3 87.3 87.3 R7.3 7.3 F7. ue IGr200 62.! o2.3 b 3. 86.0 07.7 07.3 07. 3 07. 07.3 0 F7. 7.3 7.3 07.3 P7.3 67.3 '7.7 ut 92L, 62.7 725 33.9 86.8 87. 3 07.3 87.3 87. 3 87.3 P7.3 9.77.3 07.7 77.3 7.3 "7.3 GE8 07301 62.3 '2.5 8.9 86.0 07.' 37.3 87.3 87.3 87.3 07.3 7. P1 8 7.3 7.3 a 7.3 P7.1 f7 T rc8i 62.7 p2. 83.9 86.8 8'.3 7.7 87.3 87.3 87 07. 3 '7.' 07.3 87.3 7.3 37.3 '7.3 b F63 7801 6 2.3 q I.3 73. 76.0a 07. 3 q77.1 8 7.3 07.1 73 3 ' 7.3 07. 773 0 7.3 ' 7. 3 7.7 9q7.3,E 5 0 0 62?.3 72. 5.9 06.0 A 07.3 q7 7.3 07.7 07.3 87.3 7. 3 7.' 97.3 87.! 7.3 31.3 '7.3 (,F 4 i 62.75 2.t 6,.9 06.0 87. 1 7.3 87.3 07.3 87.3 7.3 577 7. 3 07.s 77.3 87.3 77. (I7 ~00 1 62.71 2.3 038.7 76.7 087.73 07. 3 07. 3 07. 3 07.3 77. 3 07.3 77. 73 87. AI.3 0 7.3 87.03 3'8i 1! 62..2.9 75.1 R7.1 87.6 87. 6 87.6 87.6 0 7.6 87.6 07.7 P7.f, 77.6 77. 6 V7. 6 A3.3 If rn 6E3.7 4.1 87.,. 8877. 0 9 b0 9 8.9 88.9 88.9.9 9. 70. 90 887. 9 7.9 R 7.9 LE 25dlI 04. 4 75.. 83.3 05 90.J 90. 0 90.0 9 0.0 3.0 y-.r 99.0 93. Q 8.3 9?,3 90. f [ 271! 1 65.6 A8.2 91.6 92.5 97.1 93.1 93.1 93.1 93.AI 3.1 9.7 93.1 93.1 93. 1 T.1 93.1 1P710 63.6 3 9.. q92. 9 3.3 93.3 93.3 93.3 03.3 95.Q 97.3 3UT 93.7 9S.3 991.3 93.3 2,7 LE I'I0U 1201 I 65.7 63.7 73.p 9.9 73.2! 97.7 95.3 '4.1 77.1 97.2 947 161 97.1 95. 7 3 97. 7.31 97.1 99.3 073 937.! 7.1 937 47.1 97.1 97.3 '3.3 4.1 9471 97 3 97.1 93.3 6F E 120:1 98001 75 69..7 7 07.3 079. 6 '0.7 94. 73.1 95 7.3 97.9 7 7.3 97. 07.1 6 97.1 97.6 77.1 9 7.6 77.1 0 7.6 '07.1 p7. 6 7=.I 37.6 37.1 Q 7.6b 77.1 97.6 '7.1 Q7. 6 97.1 9 7.6 97.1 9 7.6,7 I pon1 65.7 p07. 6 4.3 935. 6 977.9 Q 0.1 97. 1 708. 1 079.1 97q. 1 9S'. 7.I1 7. 1 708. 1 97R. 1 970. 1 677?[GO 65.7 79.7 94.4 95.7 9q.3 93.5 98.5 98.5 98.5 7. 5 0q.3 97.3 9.5 Q8 s 9R.5 Q7. 77 601 6.7 9.6 9.4 95.3 9., 98.8 9.97 0.9 00.7 90.9 9' 9 7.7 9.7 9.7 9.9 90.9 67 F r (oi 6'.. 7 89.6 9,.4 9b.1 70.9 99.2 99.95 77.5 99., 7.5 93 99.5 9.5 90.5 99. 99.' (I 0CI1 65.7 9.6 9'.4 96.7 99. 1 99.3 100.0 100. 0 100.0 1 r 0.0 1',1 100.0 133.3 i0.2 100.0 1"3. 7 3GO1 63.7 09.6.0 96.3 99.1 99. 3 10.0 100.0 100.0 IUD.0 1o'.9 07I naio l.0 1 10.0 180.0 b3 F P Ol t. 7 09.6 9-. 6.3 99.1 97.3 100.0 100.0 130.0 103.0 18a." 107.0 103.7 1 O. 10 7l.0 19.0 67 I101 65.7 00.6 90.4 96.7 99. 99.3 10.0 100.0 103.0 170.0 1. 100. 60 100.0 17o.3 180.0 13.0 r F 0f 7.7 9.6 90.0 96.3 79.1 9.3 1 0n.0 109. 0 100.0 103. 0 1 '1 10 n.0 100.0 1 no.3 109.3,.0...,*........................,,,....,.......*..,...,.*.*.,,.,..,,.....,*..*. *............... TOTAL NUM71 OF 0750QVT13N5: 751'.4
b60, 6AL CLIMAIOLOGY 9AN- PF38CENTA3E FR-'0U3ICY OF OCCJRRENCE of CEILING VES-S,B1ILITY UsAFET TC FROM HOU7LY OBSEP471NS AIR WE AIHEP LRV4IE/PAC 3IION NUPPLQ: 772386 STATION NAME: VAN NUYS CA'E"IGU v 06 407O0 37-46 I 1 H I N HUQSILSI I ALL CILI'iG...*.. "1o G,.... "4VSI41L1T...I....., I*.. 9N. 14 No. 5TU4F.*I A'.. I U,...E..'31TE5............... IN I L 6 33 OGE GE GE GE G G G GE >6 3 G L,[ SE C E F E E I 1I 'E 5 4 3.12 2 1/ 1/4 1 Il? 1/ /4 1/16 / 4 - Io,,ooo....ooo...............o.......o,.o..... o.................................................. N.0 ClIL 1 43.9 61.3 67.1 73.5 74., 74. 75.1 7S.1 I. 1 15.1 7'.1 15.1 75.1 75.1 75.1 7. I EE 7P001 45., 63.f 67.5 79.3 73.1 17.3 77.7 77.7 77 7 7.7 77.7 777 17.7 13.7 17.7 7.7, 1800 45.6 63.6 68.5 7 o.} 77.1 77. 7. 7.7 7.1 71.1 7'.? 77.7 77.7 77.7 77.7 7 73, 3 30! 45.4 63b b.5 73. 77.1 7.3 77.7 71.7 1 77.7 7'.7 11. 7 7. 77.7 77.7 71. LF 14"f'r 46, ' 14.7 74.7 73.1 7. Q 78. 1 7.5 78.6 1., 78.6 7.', 73.6 73.6 75.6 77.5 p -. 6 V 6 I 0D 4f,.7 64.14 73.4 74. 3M.9. 74,14 1194.8 78. 8 7'. 78. 1.7 78.8 78.8 78.8 711. SE 10 CCn 46.6 64.9 71. 74.6 774b, 791.3 7 79.1 17.7 79.7 7.7 79.7 79.7 79.7 7.7.7 6,3 93 o 3) 4. 6 64.9 13.1 174 7Q.C 19. 7q7 79.17 15 79. 7 7.1 74.7 79.7 79.7 79.7 7;.7 oe 8 C0 4.7 65 11.2 75. 79.4 7.7 81.1 80.1 80.1 00.1 6,I 81.1 83. 1 0.1 83.1 ' f I 3 n 4.7 65.:" 11. 75.., 7,. 79.7 40.1 9D.1 D.1 80.1 84.1 31 831 P0.1 p.i.1 X1 se 6J 0 I 46,7 65.2 11.3 75.3 79.' 1 M [31 80.2 50.2 73.2 8o'.' 6].2 8-2 H0.2 832.2 f, *. E Sr3C1 46. 65,4 7.5 75.2 79., 79.9 80.3 90.4 8D.4 47.4 8'" Pj4 0.4-1 4 8 P7.,4 66 4 L p 46.9 65.5 71.5 75.4 79.b J. I B2.4 80.5 80.5 83.5 84, 8P.5 80.5 A.5 3:7.5 83.5.' 43737 47.7 55.6 11.1 75.4 78.q9 9. 1 80.9 80.6 80.6 3.6 6.6 806 7.6.P-.b 6r.5 N 0. F6 O 1l 4 7.7 66.4 12.5 76.7 A, R8I.. 81.4 81.4 81.4 81. 81.4 81.4 81.4 P1.4 91.4 5.q (36 2 001 4 '. ' 61.8 34. 71.7 82.7 8".4 '.8R 82.9 62.9 A.9 a,7.9 92 Q.9 52. b9. 9 I ',1 7527?.7 6, 15.5 79.3 R.9 94.1 84.5 84.5 84.5 P7.5 81,. 94.5 84.5 84.5 84.5 '9,5 f,3 2(; 49. 7b. 14.L; A".1 4a7. 81.1 87.7 77. 8 87.8 A7P,8 81.8 87.8 R7,8 47. 9 1E -i 1 q201 4).A 71.4 38.1 83.3 87.9 RA. 88.5 s 89.6 88.6 846 b0.f, 8-.6 88.6 p8.b 98 9,4 bb.5 jf ISG'1 49.9 77.31 1. A, q89.; 9j3.6 91.1 9172 93. 91.2 93..' qi.2 91.2 91.7 91.2 qi. 76 I,G q9. 7.4 * 1.2.3. q5 2.4-93.1 9',.7 93.9 83.9 93.9 9',N 93.9 9.9 q9. 9'.o 97.9 uf I 0'I 4'.9 7.2 41.1 86.6 991 7 4.6 9S.5 95.7 85.7 95.7 9',7 45.7 95.7 95.7 9'.7 95).7 (IF 5W3) r57 7.6 d 1.2 86,3 94.7) q5. 9,2 9b.5 96.5 9.b 96.5 96.5 96.5 96.S 96.5 96.5 f, P l 37.P r1 712.6 81.3 96.4 94.4 1;.5 971 97.3 97.3 97.4 91.4 97.4 97.4 97.4 97.4 97.4, I 13-7. n 2.b 671. P83.7., 9.5 951.7 97.5 99.( 98.7 99,1.I q 9.1 94. 48.1 95.1 F 6u1 I ''3.3 72.6 R1. 93.3 I 94. 95. 97.9 98.4 99.q. 99.6 Q4. Q. 98,5.6 s8.5 9,.6 94.5b 6. ' 3 3 I C37". 7 72. 6 f 9 1 8 7. rl q4. 96.7 99.1 98.8 78.9 99.2 59.3 q. 99.3 qq.3 91.3 94.I,6 4(it71 5.7 c 7.6 '3.3 87.1 94.q 96.1 9q. 99. 99 9.2 99.7 90.. 0.7 99.7 99.7 99.7 9yl7 uf '073) 50.3 r. 72. 1. 813.3 q1. 1 94.5 95(.3 98.3 99.7 99. 91.8 91*N9 99.9 99.9 49.,9 99. 9 949,. F 7303 GlI.5", 72.t m1. 1.1 94.' b.1 98.7 99.2 99.2 q9,9 1 r) C I.). la3-. 107.3 10.7 13L.L 120? ne 5.n 73.6 31.3 '7.1 94. 44. 1 98.3 99.2 99.2 99.9 1L'.E 173..0 107.3 1ln,3 10).3 130.0 71 50, 77. 41.3 81.1 94.6 96.1 97p,. 9.2 99.2.2. 99.9 123.0 133.0 700I 1110.0 177.0.o................................o...o....,..o.o........................................... i3tl 44MQ P OF O"S! VA71)7N,: j4 4
GLOuAL CLIMATOLOGY BRANCH USA FEY AC AIR WEATFER SERVICE/MAC PERCENTAGE FREQUENCY OF OCCJ8RLNLE OF CILIS8 V'P8,6' Y1,IRItIAY FROM HOULY OBSERVAIIONS STATION NL 89: 728b6 STAT ION NAME: VAN NUYS CA ICC1 OF PECOPJ: TI-MA M ''NTy Jot PILRILS ) : 3 JI-753 CEILING VISIBILIT8 IN STATUTE MILFS... IN 5 L GC A L GE I E G GE GE EL GE f L ; f SL 1. (L f FEET 10 6 5 4 2 112 2 1 1/2 A1/4 1.'4 /8 1/2 1 /16 1 /4 NO CEIL I 49.1 I5.? 72.2 73.5 75.7 75.1 76. 1 76.1 76.1 76.1 7. 7, 1.1 16.I 7o.1 716. 1 1.I, 2 7001 51I.0 67.n 73.8 75.2 77. 4 77.4 77.8 7 8 77.. 7.7 8 7,q 71.R 77.4 77.8 77.8 77,6 1F 18 r,00 5 O. 67. 0 73T.7 75.2 77.4 77.4 77. 8 71.8 77 8 77. " 7.? 77.8 77P 71.8 17.8 77.'1 IF 161!001 5q. ' 67.0 7.V 75.2 77.4 77.4 77.8 7.8 77.8 7 7.8 77.8 7.. 71. q 1.8 77.8 77.6 be 14 j0 50.1 67.8 74.9 76. 178. T T8. T 78. 7 7g 7 7.7 76 7 7R.1 78.7 78.7 1q.7 7'.I UE 12.uol 5C.4 67.8 74.1 76.1 78.7 78.3 78.7 78.7 79.7 78.1 7 77 7'.7 79.7 74.7 7-.7 7,.7 (E OO01 51.T 69.1 75.1 77.8 89.5 80.7 80.4 83.4 80.4 89.4 8".4 P0.4 83.4 70.4 P0.4. 4.- 1,E 9r01 S1.3 69.1 75.1 77.3 87.D 0.3 83.4 80. 8 83.4 q9. 4 6..4 81.4 80.4 A].4 8n.44.4 GE 86 723 61.3 69.1 75.1 77.8 80.] 40.0 80.4 80.4 8D.4 87.4 88.4 81.4 827.4 4J.4 67. 4 9.4 GE 7O0 51.3 69.1 75.1 77.B 87.7 83.0 80.4 80.4 87.4 81.4 8.4 A 81.4 8).4 I. 4 82!.4 41. 5E 670 51.3 69.1 75.1 77.8 80.0 82.0 89.4 80. 4 b6.8 8J.4 8.4 90.4 82.4 "3.8 47.. (G 'Couo 51.3 69.1 75.1 77.8 80.0 80.0 80.4 80.4 60.8 827.4 81.4 8. 4 827.473. P. 4 2.4 '.. SE 4-01 51.3 69.1 7.1 77.8 80.3 RD0 0 80.8 80.4 80.4 43.4 8-.4 80.4 83.4 R7.4 80.4.4 GF NPO 51.3 69.1 75.1 77.8 80.0 81.0 80.4 80.8 80.4 83.4 8.4 83.4 83.4 3.*4 89.4 ",.4 (be 3500 51.3 69.1 75.1 77.8 82.0 90.0 80.4 80.4 80.4 83.4 8.4 827.4 8o.4 o.4 80.4 R.- be 3001 51.3 69.1 75.1 77.9 80. 80.0 80.4 80.4 80.4 83.4 82q 82D.4 80.4 A3.4 80.4 82.4 GE 27L7 S1.S 69.1 70.I 77.8 80.0 8u.0 80-8 80. 4 8O.4 80.4 5". 827.4 83.4 R3.4 80.4,.4 "I 2ro0 O 1.7 69.1 1.5 78.3 80.8 00.9 81.7 81.1 81.3 81.7 41.7 81.3 81.9 81. 81.3 AI.Y GE 18091 51.7 69.1 75.5 78.1 80.9 80.9 81.s 81.7 81.7 81.3 81.7 81.7 81.3 81.10 81.3 R1.3 5E 151O 1 51.3 69.6 77.3 79.1 81.7 41.7 82.2 82.2 82.2 82.e 8'.1 87.2 82.7 82.2 4.2 -,.I,,1 1200 51.3 70.3 77. 4 83. 83.4 83. 8.5 87.5 87.5 80 95.5 835 83.5 83.5 8.5 '7.5 GE 1200 1.3 73. 73.3 82.2 86.7 85.7 87.0 87.q 87.4 87.4 87.4 87.4 87.4 87.4 87.4 7.. oe uoi '1.3 70.9 71.3 82.2 86.1 8b.1 87.8 88.7 88.7 q8.7 6".3 68.3 88.1 88.1 8A.T 0H.3 GE POO 41.3 17.9 71.1 82.6 81.2 7. 8.6 90.9 90.9 4)1.9 9.q 92.8 93.9 4J.9 87.8 8.Q of 700 51.7 72. 78.7 80.1 81.4 "8.0 91.7 93.0 93.0 q3. 971 91.0 93.0 80.3 9. 7 9.: GE F8'I C 1.7 70.9 78.7 87.9 87.4 48. 7 9Y 5 8 4.8 4.4 9.94 Q 94.8 94.8 94.8 94.8 4.,.1F SOol si.! 73.9 79.1 R3.S 67.- 89.1 95.2 97.0 97.0 97.4 87.4 97.4 97.4 47.4 97.4 41.4 bf N or''i 5.I 7D.9 14. 1 8,, 87.R 9.1 9.2 97.8 97.8.3 98.3 94.3 98. 8.1 98.3 46.I CF1 1UO 11.7 7J.9 73.1 83.5 87.8 849.1 95.7 88.1 7 798.81 9.1 99.1 99.6 99.6 4Q.6 94.b,f iou 51.3 73.9 18.1 87.5 87.8 p g.1 95.7 88.1 88.7 89.6 99.6 99.6 I100.0n 03.00J t,.j of Ion0 I.1 72.9 It! 83.5 a7.r 89.1 95.7 98.7 98.1 9.6 91.6 99.6 100.0 100.0 130.0 l1u0.0 (rf 1 51.7 73.9 7.1 47.5 81.4 B 9.1 95.7 98.7 98.7 99.6 9Q.6 99.6 103.0 1DO.0 110.O lo........,.,......,...,...... o....,...,,.,.......,...,....,.............--a In18 NU MP 0F OSE8A T1127S: 230 L
.LOhAL CLIMAIOLOGY BRANCH usaee C AC AIR WEATHEP S 1RVIC0/MAC PERCENTAGE FRE0UENCY OF OCCUPP9ENCE OF CUILINL VruRtS VI 'I8ILIT FROM FOUqLY OASFR4ATIONS STATION NUME9: 722866 STATION NAME: VAN NUYS CA rp2c7 Or ECORO: 1-8 40.17: t jut I-OUPS(LSTI 7: I C CEILING ISIaIL11Y IN STATUTF MILS IN IE.. GE S GE. G- GE G GE G E 0, q l ', f7 FEE1 I 5 4 3 2 1/2 2 1 1 1 l/n I '1 1 2 1/6 I/4 No C. IL I 4....... 8,.. 13.4 3.5 7 o3.8 13.8 T I. b. I... " 7...9 7 s....... 73...- IF 200001 99.9 67.1 63. 7.0 74.4. 71.4.7 79.9 14.9 74.9 74 74.9 74. 9 3'.? 74. 7,..,f 18 0 49.q b1.1 67.3 7o.j 74.4 7N.b 14.7 74.9 19.9 71.9 34.9 74-34.9 741.9 7.l 74.. 60 EbI00 44.q 61.1 61. 3 10.0 74. 4 74. 1.7 79.9 14.9 7.9 74.4 74.9 14. 34.v 3.4?4.. o 7 III0or k.2 62.4 69. 71.3 I 74I6.. if, 2 7b.s 7b.6 b.b 7b.b 3.77 7, 7.', b.6 36.5 7o.t uf 122'-1 96. 7 63.1 6?.q 721.2 76.9 77.1 77.2 77. 117 7.4. q 7. 77.4 77.4 7. 33.4 77.4 ',I 1502 1 4 7. A 65.2 1. 74.2 79.1 39.9 19.5 79.7 74.7 791 3I.7 74.1 79.7 79 7 7.? 7 1,.7 1[ 9 r0 1 7. 8 65.2 11. 14.2 79.1 19. 4 3.5 79.1 19.1 7?. 477. 1 4.37 19.3 71.31 7. 1.7 7, sch Iun 99.0D 65.3 71.b 14.3 79.; 39.5 79.6 79.8 79.8 79.9a 79.- I4.8 79q. 749.8 73. 0 7121 48A.7 65.7 71.1 14.3 79.; 79.5 19.6 19. 8 79.8 79.9 3.1 7j.6 19. I. 7.8 74. 1,F 6001 4 A.c 65.3 1.1, 74.3 79.2 79.5 19.b 79.8 19.8 79.8 7 1'. 4. h 74,9 TA.9. 74q.9 S '.I 74 5 r.001 97.0 65.7 1.4 79.3 7q.2 19. 5 19.6 19.8 19.8 39.8 9' 1-9 74T.9h 74~ U1 L 5nC1 98.C 65. 71.'1 79.3 79., 79.,5 79.6 79. 8 19.8 79.8 79.9 7T.. 79.9 39 7.9 4 79.. GE 4'Onj 49,0 65.3 1l.* 79.4 79.2 79.5 79.6 79.8 79.8 79. 8 71 7,.8 19.9 7. 31.6 7. GE 3 10 1j 9 65.3 71.; 79.3 7q.2 19.5 79.6 i98e 79. 19.8 70.?4.A 11.9 749 71 4.9 61 5000, 48.0 9 65.3 71.5 79.3 79. 79.5 79.6 79 19.9.8 14.98 Ao.9 34.A 7.9 'q9.8 71.9 3-.q 7E Z50O 4 9.0 6S.3 11 1., 79.3 79.2 '9.5 19.6 79.8 19.8 7. 8 19A 19.8 19.8 19. 19.9 134.1 7,! 200 1 98.0 66. b? 75c.9 81. 1 1 91.9 91.6 98.6 R1.6 9 7.1 97.6. b q.6 4. 7 I.6 ' I, 1 0n1 49A. 65.1 73.2 76.1 9,' A7, I.5 8.9. 981. 8. A r.,.8 )', I 8'7.8. I. a I. I, 9, PO I 99.1I 66.1 74.1 1.9 12.17 92. 9 83.0 8.31. 1 83. p I '. ' 1 47i A p. I,. 7. 47, IE 1Ir1 9A. 1 67.2 15. 1 39. 85. 3 A 8.6b 8.8 96.7 86.7 96. w f-. '" R A6.1 ' 6.. 1,..1 7 6-ll 96.; 61.5' 35, 9983.2 87.' - p9.5 69.2 89.5S 99.5 '.S - 4.5 44. m9.5 "44~..5 4.' F. 901 99,. 67. 3I. 03.3 88.6 99.9 91.2 97.4 9.1 4.q 94.4 1.4 1. 9. 1 41.4., (1 T r 9. Pn 2 637.6b I 3.4 92.6 84a.1I 9k.15 971.5 S 4.2 992'-2" 4.' 9. ~.. 6' 1 709 4A.2? 61.6b 35.4? 9:). 6 94'. 1". 95.2? 95S. 8 95.8 93. 48 46. 45Q.9 S 45. 91.4 4 GE... 01 4.... 6...1.. "... 9.. 7.9. 97..9...4 r... 97... 9.. 4 7.4 1.. 7 I~0 99n.2 631.6b I 3.7I A 9.j 971.7I 3.94 9 7. 1 99. 2 99.7 99.4 9.4 94.4 99~ 4.. 439.4 4 4.4 L. f X 1 99.2 b43.9 19.7I A 7.01 9.71 9'.,9 91.7 99.5 4'9.5 949, 74. " 99.9A 99. 4 49 44.q 11 N 0~ 49.2 437 16pis.71 91.1 9 1.1I q3 44 917.'. 94.37 994.3 1.2. I I I21.0 1 '11.) 1. 1 1 2. 1 I:.: I 'f 99.2? 617.6 1 8 1i t. 1 9 1.7 99.4 91.% 9q. 1 41.3?103.2aI 17. 71177 1 13 123I'j.9 1. I I I6 1391 49. : 61. 1 74.1I A 8. 971 '7 91.94 917.4A 9?.7 4 9.3 702ro.0 c)". '2I I Q - 1 I' J 121.2 I '.f rl 49. 2 67.8 16s. 91A.2J 9 I1. I 71.94 97.4 99.37 49.3 10C). 0 7 1 j )' I~~ I2. 7'J. J11 2'. I'. TOTAL Nil MRLP OF 0PSFRV A T1N% 413C C6.
GLOtiAL CLIMATOLOGY FiRANCH USAFLETAC AIR WEATFER SERVICE/MAC PERCENTAGE FR-QUENCY of OCCJPPENCE OF CEILING VVRSUS VI0I8ILITY FROM HOUIY OBSERVATIONS STATION NUMHEQ: 722886 STATION NAME: VAN NUVS CA Dr I100 U RECORD: 77-86 MO7JTH.,1m) HOUPS(LSTI: 3039-l103 CEILING RISIBILITY IN STATUTE MILES..... IN I rc Gf 3E 3E G GE G E G GL GE,L $7 SE F I 3F FEET I 10 4 3 2 112 2 1 1/2 1 1/4 1 7/4 6/h I/1 6/1b /4 1..,......,,......,....,...,,..,.,........ oo,,.,,... o...... o........... NI CCIL I. ' 63.1 77.1 R.3 88.0 188.3 88.0 88.0 88.0 p9. 0 e -.).!]. 8.0 8A.O. A,. ue1 21u"1 L. E3.4 73.4 81.4 88. " 98.0 88.0 88.5 88.6 9.5 8. R. 89.6 8.5 88.s5 9i. L 18 f)cl 38. 67.9 73. 81.1 88.5 P8.5 88.5 88. 5 88. 88.5 ot, 74.5 89.0 A9.5 hr.6 06.b (,E 16,0 01 3P. 6 3.49 773.4 81.6 88R.5 8'P,. 5 88.5 88. 5 886 '8-9.S' 9 Pr. 8.s 4 R8.5 A9.5 P'.S U E 14PO T 9.' 65.3 7.,.9 A3. 1 90.1 90. 1 90.1 9O. 1 90.1 90.1 ; 1 13.1 9.1 o2.1 92. 1 C.1 Sf 2001 I 39. 7 (,. 7.6 R3.- 90.8 9.8 90.R Mo. a 90.8 90.8 4Q. 9 g. 90.9 93.8 9C.9 '.4 J II C G0F1 40.9 67.4 77. 8F S.4 92.o 92.6 92.6 92.6 92.6 92.b RQ 49 7.6 97?.6 p76 72.b 42.7 CE 9 u1 439, 67.4 77.2 85.4 92.6 92.6 92.6 92.6 92.6 92.6 926 92 6 92.6 2 43.4 I 8 C1 4.9 67.4 77.2 8S.4 92.6 92.6 92.6 92.6 82.6 92.6 9.6 92'.6 92.6 2.b 92.5 92.6 he 7 0c0,1.n 61. 7. 3 85.5 92.7 92.7 92.7 92.7 92.7 92. 7 92.7 97 92,7 92.7 9?.7,.7 4,F be0'1l 41.0 61TS 17.7 85.5 92.7 92.7 92.7 92.7 92.7 92.7 95.7 92. 7 97.7 q2.7 92.7 qi.7 SC C E 5W'C.'I 9I.'] 0,"01 41. 67.0 b 63. 0. 77.3 77. 3 85.4} 86.0 92.7 92.7 92.7 92.7 92.7 92.7 92.7 92.7 92.7 92.7 97.7 92.7 92.7 92.7 42.7 Q2.7 92.7 92.7 92.7 92.7 92.7 92.7 92'.7 9 7 CE 4'U0 41.0 67.6 77..3 8s.6 92. 7 92. 7 97.7 97.7 82.7 97.7 92.7 42.7 92.7 92.7 9'.7 9,7 FE 7'Cao 41.0 67.0 77.3 805.5 92.7 92.7 92.7 92.7 92.7 92.7 92.7 92.7 92.7 92.7 92.7 9Z.7 u 1 7'021 " 41. 1,,7.6 77.4 86.6 92.8 92. 5 92.8 92.8 92.8 02.8 92.q 92.8 92.8 92. 92.t 9"2.9 Cf 2' L 141.2.1 177.8 86.3 93.2 93.2 93. 2 93.2 93.2 93.2 9.' 93.2 93.2 93.2 93.2 03., E f 2L - 1 4 1.4 64.2, 78.7 88.1 96.7 96.3 90.3 96.7 5.3 9.3 90..3 95.0 95.3 9.3 95.3 IE IAl 41.6 19.6 70.4 9.4 96.7 95.7 9S.7 96.7 96.7 85.7 9'.7 95.7 96.7 95.7 96.7 95.7 C.F 1 _n1 41.b t9.9 8j.4 84.7 97.0 97.5 97.5 97.5 97.5 97.5 9'.0 97.5 97.6 97.5 97.61 97.5 rf 12L) 1 41., 69.9 90.4 90.0 98.6 98.0 98. s98.5 98.6 98.5 9".l 99.5 98.5 98.5 9A.5 98.5 ',r IF " 1 41.6 69.5 9D.9 Qo.1 9.1 99.5 99.6 99. 99.6 94.5 O9. 99.5 99.5 99.5 99.6 44.5 ti "[,I f 41.7 73.i3 A1., 93.3 99.4 99.7 99.7 99.7 99.7 Q9.7 94.7 99.7 99.7 09.7 99.7 09.7 If 41k, 41.7 7j1. c mi.i 93.2 99. 99.9 99.9 100. 0 10.( 103.2 1C'.fl 100.0 1071.1 1 00.0 1071.3 13J., 1,' 4>'I 47 7 t: 8.1 9,1.2 99o.5 99.9 99.9 100.0 10.0 10.0 13J1 1 103.0 100.0 1 "O.O 120.0 12.0.7 7,-I 41. L 1 83. 91.1 9 9.9. 79.9 99.9 100.0 100.0 100.0 12.9 100.0 100.3 100.0 10o.0 137.0 I1 9 1 I.I 73.L 1.I q. go.b 49.9 99.g 1o. lo0.0 113.0 1), 1 03o.0 100.0 103.0 100.0 102.0 4 1 41. 1 7.1, 0 '11.1 9').7 99. : 99,9 99.9 10.0 1o.0 101.0 I1' 0 110.o I03.0 O.0 10.3a 150.0 f f 41.71 7. 1.,1 93. 94.5 49.9 99.9 I0.0 16 LV.0 1 r,0.0 1.r 13.0 103.0 1 00.9 1 0O. 0 10 C, L0, 1 4 1.7 7 1.1 81.1 p3.2 99.5 96,.9 99.9 100.0 1000. r.0 1 '.(1 1'o.0 103 o. Io.0 100.0 130.o I.! 1 1. I 7,.o 81., 93.2 g9o~ 49.9 94.9 100.0 100.0 I0C,0 1'0 1 C0.U10310.11 1000 100.0 Ip.O 10U.0 9 'I.- 7., A 1.1 92.7. o.o 99.9 99.9 100. 100., 103. 0 7,. ['3.0 100.0 IO.0 1o.O 100.0...... o..,,,oo,...,...o...... o......,,.o.....,,=....,, _ S In3L N1'"91 OF 0111r.7r 4. 1391 1 90IN
SLOBAL CLIMATOLOGY BRANC PERCENTAGE FREQUENCY Of OCCURRENCE OF CEILING VERSUS VISIBILITY LSAFETAC FROM H0ULY O6SERVATIONS AIR weatfer SERVICE/MAC STATICN NUMBER: 722886 STAYION NAME: VAN NUYS CA PEOIO0 OF PECOPD: 77-06 MONTH: JUL HOURSILSTI: 120C-1400 CE II, 95 VISIBILITY IN STATUTE MILES 1 I GL SC 3 EE G5 6 GE G GE E L GSC GS G G E 1F FELT I rt., 4 5 2 1/ 2 11/2 1 1/ 1 3/4 5/8 1/2 5/16 1/4 2.....,.,........,...,,....,...,,........,......,..,...,...,.... NO CLIL I 52.8 79.2 83.3 90.8 92.5 9z.5 92.6 92.6 92.6 q2.6 97.6 92.6 92.6 92.6 92.6 92.6 SC I 1C 5 3.4 79.9 61.9 91.4 92.9 93.1 93.2 93.2 93.2 93.2 97.? 93.2 93.2 93.2 93.2 93.7 LF I8L20I 0 9.4 79.9 99.9 91.4 92.5 93.1 93.2 93.? 93.2 93.2 9'.' 95.2 93.2 3.2 93.2 93.2 IE 16,309 S3.4 79.9 69.9 91.4 92.9 93.1 93.2 93.2 93.2 93.2 91.; 93.2 93.2 93.2 91.2 93.2 u, 147001 59.3 82.5 91.5 99.0 95. 7 95. 95. 95. 9S.8 99. 95.8 95.8 95.8 99.9 9b.8 uf 12 02 55.p 93.3 9?.4 96.8 96.3 96.6 96.7 96.7 96.7 96.7 96.7 96.7 9b.7 96.7 96.7 96.7 6F -,n C, 56.7 94.:' 95.2 95.7 97.5 5.5 97.6 97.6 97.6 97.6 97 97.6 97.6 97.6 97.6 97.6 GS gf on 56.7 A6.7 9T? 95.1 97.31 7. 5 97.6 97. 6 97.6 97.6 97.6 97.6 97.6 95.6 97.6 q7.6 tf 8 'C 56.3 4.7 95.2 95.7 97.3 97.5 97.6 97.6 97.6 97.6 97.6 97.6 97.6 97.6 97.6 97.6 te 7('10 5 f,.5 66..' 9.i 95. 1 9 7. 97. 5 97.6 97.6 97.6 97.F 93.6 97.6 97.6 97.6 97.6 97.6 'f 62021 56. 3 F 4.7 y.2 95.7 97. s 97.5 97.6 97. 97.6 97.b 97.6 97.6 6 97.6 97.6 97.6 (E 5 su7i 6.3 A4.4 9. 4 95.9 97. 97.7 97.9 97.8 97.8 97.8 97.9 97.8 97.8 7.B 97.8 97.8 6E 4 1 56.3 94.4 95.4 95. 97.S 97.7 97. 8 97.8 97.8 97.8 9T.9 97. 97.8 9T. 97.8 97.8 G. 40O3 6. 5 14.4 93.4 95.9 97.5 97.7 97.8 97.8 97.8 Q7.8 97.A 97.8 97.8 97.8 97.8 97.8 GF 35 LI 5b.5 l4.s 95.s 6.j 9 7.b 97. 8 98.0 98.0 9B.0 98.0 9A.n 99.09 98O 98.0 98.0 98.0 GF 3' CI S56.' 84., 97.9 96. 3 98.7 98.2 99.3 98.3 98.3 q9.3 9?.5 98.3 98.3 98.3 98. 3 96.3 6 f i nli 5,.7 A5.6 9..9 97.b 99." 99.5 99.6 99. 6 99.6 99.6 99.6 7 99.6 90.b 99.6 99.6 99.6 6 F "on I 56.7 05.6 94.9 97.b 99.1' 99.5 99 *6 99. 6 99.6 Q9.6 99.6 99.6 99.6 99.6 99.6 99.6 u I 031.1 5,. 7 5. 6?..9 97.7 99.4 99. 6 99.7 99.7 99.7 99.7 99.7 99.7 99.7 99.7 99.7 99.7.F. IDO 5.7 A5.9 95.5 99.1 99.7 99.9 103.0 100.0 100.0 170.0 107.3 130.7 100.1 j 70.0 10.3 100.0 (, 121(0 56.7 5.9 9 1.3 98.1 99.7 99.9 100. 100.0 lo. 0 100.) 1U07. C 1000.0 100.0 1 0. 0 100.0 17G.0 (E 1"3n11 56.7 85.9 91.3 98.1 99.7 99.9 10.0 100.0 100.0 1,0.0 1O07. 100. o. 3 170.3 100.3 IOJ.2,F 9U0 56.7 95.9 65.7 98.1 99.7 99.9 107.0 100.0 100.0 103.0 103.0 100.0 130.3 10.3 107.0 17.0 (IF 903 56.7 95.9 91.5 98.1 99.7 99.9 100.0 100.0 100.0 133.0 1p3.1 100.0 100.0 100.0 100.0 100.0 5F ILO 56.7 85.9 9.3 98.1 9q. 7 q9.9 07.0 00.0 I1o.0 10.0 1i3.n 13.0 130.3 I70.0 1o0.3 130.0 E 6J31 56.7 RS.9 9s.3 98.1 99.7 99.9 100.0 t00.0 100.0 I0.0 IJ3.3 130.0 100.0 170.0 100.0 100.0 E 5,f0J 56.7 95.9 91.! 98.1 99.1 99.9 1o0.0 100.0 100.0 103.0 121.3 100.0 100.0 I70.0 100.0 100.0,E 4001 6.7-5.9 95.7 99.1 99.1 99.9 107.0 100.0 100.0 1O2.0 I2,.3 100.0 100.0 1no.3 1i7.[ 133.0 GS '0r 5,.7 95.9 9.3 98.1 99.7 99.9 100.3 100.0 130.0 100.0 o.3 I0.0 109.0 I0.0 100.0 100.0 GE 70'3I 56.7 PS.9 99.5 98.1 99.7 99.9 100.0 I00.0 100.0 10.0 177.3 100.0 103.0 100.0 100.0 170.0 1271 cc 56.7 85.9 9i.3 98.1 99.7 99.9 1O0.O 100.0 100.0 1 0.0 IQC.n 100.0 100.0 170.0 103.0 1O.O C sr 0 56.7 8S.9 9,.3 98.1 99.? 99.9 10.0 I00.0 100.0 103.0 100.0 130.0 100.0 1o.0 100.0 I00.0...,......,.........,.....,,...,,,.................,...,...,......,...... 5OTL NUMER Of OBSEAI3NS: 930
GLOBAL CLIMATOLOGY BRANCH USAFETAC AIR WEA3IER SERVICE/MAC PERCENTAGE FREQUENCY OF OCCURPENCE OF CEILING Vfk9US VISIBILITY FROM HOU4LY OBSEBVAIIONS STATON NUMBER: 722,86 SAIION NAME: VAv NUYS CA P Q.O'I OF '10OD: 77-9f 4CPJTH: JULl HOUPS(LSTI: 1500-1700 CCI El S VISIBILITY IN STATUTE MILE' IN ( IE GE 7 F E GE GO 6E GO GE G E G F G L G E G FELT I 1C b 5 4 2 112 2 1 1/2 1 1/4 1 /94 16 b/i 1/? 1/ U.....,....,,,.....,..,,....,....,....,.,..........................,..... NO CEIL 1 78.5 89.4 91.0 91.3 91.3 91. 91.7 91.1 y1.3 q1.3 91.' 91.3 91.3 1.3 11.3 91.3 GE 201001 79.9 93.8 9. 9 97. 92.7 92..7 92.7 92.7 92. 97. 92.7 9 2.7 92. 7 92.7 GE 183UO1 79.9 93.8 9.9 92.1 92. 9. 92.7 92.1 92.7 92.1 9.7 92.7 92.7 97.7 9?.1 97.7 GE 161001 79.A 92.a 97.4 92.7 92.7 9-71 92.7 92. 7 92.7 27.7 9.7 927 92.7 92.7 92.1 92.7 GE 1900) 94.N RN.7 95.3 96.7 96.7 96.7 96.7 96.7 96.7 06.7 '.' 91,.7 95.7 6.7 96.7 9b7 L;E 120onl 81.1 95.? 91.3 91.6 97.6 97.6 97.6 97.6 97.6 97.6 97.6, 97.b 97.6 97.b 97.6 97.b 9 SE 1060) 9N. 97.0 93.6 98.9 98.q 98.9 98.9 98.9 98.9 98.9 9. 98.9 9.9 18.9 9P.9 98.9 UE 84. 1 91.0 99.6 98.9 98.9 98.9 98.9 98.9 99.9 99.9 9 14 q'.9 9A.9 9B.9 99.9 9E.9 GE Bru0) 89. 1 97.0 93.6 98.9 99.9 98. 9 9A.9 98.9 99.9 9q.9 9n.q Q..9 99.9 q8.9 99.9 98.9 LE 1001 8. 1 97.0 99.b 98.9 99.9 98.9 98.9 98.9 98.9 Q8.9 9.9 98.9 99.9 98.9 9R.9 98.9 6E 6001 89.1 97.1 99.5 99.9 98.9 98.9 99.9 98.9 98.9 98.9 9N.N 99.9 98.9 99.9 9R.9 98.9,F SO03) 8.1 91.0 99.6 9o.9 98.9 98.9 98.9 9 9. 98.9 99.9 99. 98.9 98.9 98.9 9P.9 98.9 GE 4 101 8N.N 97.3 99.9 99.7 99.2 99. 2 99.? 99.2 99.2 99.2 49.7 99. 99.2 99.2 99.2 99.2 U E 900) 89.9 97.3 99.9 99.2 99.) 99. 7 99.2 99.2 99.2 Q9.2 99.7 99.2 99.2 99.7 99.2 99.2 GE 3; 07 89.9 17.3 99.9 99.2 99.2 2 99 99.7 99 99.2 9.2 99.2 99. 99.22 99, 99.2 Q 99.2 6E 3900) 89.9 97.3 99.9 99.2 99.2 99.2 99.2 99.7 99. 992 9.2 99.2 99.2 99.2 99.2 99.2 GE 2 00) 89.9 97.9 9).3 99.5 99.5 9.5 99.5 99.5 99.5 q9.5 99. 99.5 99.5 99.5 99.5 99.5 GE -001) 8.6 97.6 97.7 99.9 99.y 09.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 GE 19911 89.7 97.7 99.4 103.3 100.J 100.0 809.0 100.0 120.0 190.0 100.01 100.0 103.0 100.0 100.0 130.0 ;,E 1500) 9.7 97.1 9>.4 13.2 100.0 110.0 10.0 100.0 100.0,00.0 379.0 100.0 100.0 100.0 100.0 1D7.0 LE 12001 88.7 91.7 99.4 100. 100." I1c. 0 100.0 100.0 100.0 103.0 107.7 Ic1.0 10o.0 1O.0 ID.O 100.0 GE 100I 8.7 91.7 99.9 103. 1o.U 150.0 100.0 100.0 100.0 1o.0019. 0 103.0 100.0 100.0 100.0 170.U GE 9u) 97 97.7 99 103.0 I00.) Ifu.O 100.0 100.0 100.0 100.0 10.0 107.0 107.0 100.0 100.3 17.0o0 GE 8001 89.7 91.7 9?.4 102. 100. nn.3 107.0 100.0 100.0 100. 0 10,. 100.0 103.0 170.3 100.0 170.0 GE 700) 99.7 91.7 9.4 130.0 111. A1 00. 0 100.0 100. U 1O. O ri.0 c.0 100.0 100.0 100.3 100.0 10. be 6011 84.7 97.1 99.9 100.0 100.J 17,.3 107.0 100. 0 100.0 173.0 107.0 100.0 100.0 100.0 107.3 100.0 GE c OO ) 88? 77.7 98.9 173.0 10.2 I. 1(.3 100.0 100.0 130.0 170.'0 1O.0 I0.0 100.0 100.0 1j0.0 100.0 6E 90r) 89.7 97.7 98.9 113.j ICoO.( 10.0 1 o0.0 100.00 100. 100. 00.0 100.0 100.0 IO.3 100.0 10.0 GE 3001 89.7 97.1 9).9 1o0. 100.0 100.0 100.0 100.0 100.0 111.0 lon.0 100.0 100.0 100.0 100.0 ICO0.o GE 7001 89.1 17.1 9?.9 100.0 100.J 100.0 800.0 100.0 100.0 170.0 1On. 10.0 100.0 100.0 100.0 100.0 GE 1001 89.7 97.7 99.4 103.3 100.0 1L0.0 100.0 100.0 100.0 10.0 801.10 100.0 100.0 100.0 100.0 100.0 GE...............'... 7) _I.7 1 99.9 103J. 100.,I IC. 8100.0 100.0 100.0 103.0 107.0 100.0 100.0 100.0 100.0 130.0 TOTAL NUMBER OF OSEV8A313NS: 930 0
GLOBAL CLIMATOLOGY BRANC' PERCENTAGE FRQ0 ENcY OF OCCURRENCE OF CEILING VFRSUS VISIBILITY USAFETAC FROM OU9LY OBSERVATIONS AIR WEATHER SERVICE/MAC STATION NUMBER 722886 STATION NAME: VIN NUYS CA P71q10 OF RECORD: 77-86 MONTH: JUL HOURSILSTI: 1800-2300 C ILING VISIBILITY IN STATUTE MILES IN I G GE 5E GE GE G- GE G GL GE GE GE GE GE CE LE FEET 10 b 5 4 21 If 1 1t2 1 1/4 1 9/4 5IB 2 1/i6 1/4 3....,...........,..*,*.... **,,,.,.*,*...,*.,...,,. *,., *.,..... **.,....,......,......... NO CEIL I 84.5 93.4 91.5 91.5 91.5 91.5 91.5 91.5 91.5 91.5 91. 5 91.5 91.5 91.5 91.5 91.5 IC 20)CC1 85.9 2. 1 99.3 93.J 9S.3 Q5,a 91.0 93.0 9.30 930 91.0 93.0 93.0 93.3 93.3 97.1 GE I quo1 95.9 92.3 q3. 93.0 93. 93.0 93.0 93.0 93.0 93.0 9S.1 93.0 93.0 93.3 93.0 93.j GE 160001 85.9 92.3 93.3 93.,0 93. 93.0 93.0 93. 0 93.0 93.0 93.D 93.0 93.0 93.0 933.0 91.0 G E WOO1 89.4 96.6 97., 9 7. 97.6 97.6 97.6 90.6 97.6 97.6 97.6 97.6 97.6 97., 97.6 97. GE 12nonl 90.1 97.5 99.4 98.4 98.9 98.4 98.4 98.4 98.6 98.6 99.4 98.4 99.4 98.4 98.4?4.. r,1e 100001 90.3 9b. 93.1 99.1 99.1 99.1 99.1 99. 1 99.1 99.1 9q,1 99.1 99.1 99.1 99.1 99.1 G E n J 9o.3 98.3 93.1 99. 1 99.1 94.1 99.1 99. 1 99.1 99.1 9.1 99.1 99.1 99,1 99.1 qi. GE 8-00I 90.7 9s.3 93.1 99.1 99.1 99.1 99.1 99. 1 99.1 99.1 9q.l 99.1 99.1 99.1 99.1 99.I GE 7001 90., 49.3 9.1 99.1 99.1 99. 99. 1 9.1 y9.1 99.1 99.1 99.1 99.1 99.1 9q.1 49.1 GE b6o00 90.3 98.1 93.1 99.1 99.7 99.7 99.1 99. 1 99.1 99.1 99.1 99.1 99.1 99.1 99.1 09.1 be 52001 90.3.8.3 99.1 99.1 99.1 99.1 99.1 99. 1 99.1 99.1 99.1 99.1 99.1 99.1 99.1 99.I GE 4901 90.! 98.1 99.1 99.1 99.1 919.1 99.1 99.1 99.1 99.1 99.7 99.1 99.1 99.1 99.1 99.1 ue 60001 90.7 9b.3 93.1 99.1 99.1 99 1 99.1 99.1 99.1 99.1 99.7 99.1 99.1 Q9.1 99.1 19.1 GE 390u1 90.3 98.0 93.1 99.1 99.1 99.1 99.1 99.1 99.1 99.1 99.1 99.1 99.1 99.1 99.1 94.1 GE 300u0 90. 3 98.3 99. 1 99.1 99. 1 99.1 99.1 99.1 99.1 9 1 9.1 99.1 99.1 99.1 99.1 99.I GE 2,5oni 90.u 98 94 99. 99.2 99. 99.2 99.2 99.2 99.2 99.2 9. 99.2 99.2 99.2 99.2 99..' GE 2C001 90.5 98.5 99.7 99,7 99.7 99.7 99.7 99.7 99.7 Q97 99.7 99.7 99.7 99.7 99.7 g9.7 GE 18001 90. 5 98.5 9.7 99.7 99.7 99.7 99.7 99.7 99.7 99.1-9.7 99.7 99.7 99.7 99.7 99.7 be 11500 90.9 98.1 9.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 9A,9 99. 9 99.9 99.9 99.9 q9.9 G 12001 90.9 98.8 03. 103.0 1 o0. I CO.a 100.0 100.0 lo3.0 103.0 1"1.n I70.0 1030 100.3 100.0 13.j GE 1000 90.9 98.8 103.3 103.3 1CO.1 IW.3 100.0 100.0 100.0 1oo.0 13.0 10-.0 103. 103.3 100.0 10j.0 E 90m0 93.9 98.8 103.0 100.3. 1U0. 1.0.3 10n.0 100.0 100.0G 10).0 10.9 1O.0 133.0 1030.3 100.0 130.0 E 600 90.9 99.8 103.0 103.3 ic l. 1.3 100.0 100.0 100.0 103.0 lo.q 103.0 100.0 100.0 1L0.0 100.0 GE 7001 90.9 98.4 103.3 100.0 100. I )0.3 100.0 100.0 000.0 Ira.Q] In.o 100.0 1o.0 I0.3 100.0 13C.0 G 610 90.9 98.9 103. I 10. IC0.3 10.0 I0.O 100.0 130.0 103.0 131. n 109.0 103.9 10n.0 100.0 103.J GE 9001 90.9 96.8 103.0 10Po.0 10. I0o. 0 100.0 100. 0 1 O.a 100.0 11.0 oin.0 103.0 100.0 100.0 130.U E 4031 90.9 98.8 1(13,3 j0i.,. 103.0 100. 3 100.7 100.0 173.0 1f3.0 100.0 11r33. 100.n I0. 0 100.0 130.3 UE 3or 90.9 98.AI 13.2 100. p 00.. 130.3 130.0 100.0 132.0 103.0 Iln IC 13.0 103.3 1o.3 102.0 130.0,E 7 U2C 90.9 98. 11.) I.0o0. 00.. 10.0 100.0 100.0 100.0 10O.0 131.0 100.0 100.7 100.0 700.0 1 l.0 GE 10r 9n.9 98.8 111.3 103.31 00.,j I O. a IUO.o 100.0 Io0.0 103.0 I :2.0 100.0 130.0 100.3 100. 0 11.0 GE ni 90.9 98.8 1)).3 190. )100.0 10O. 100.0 100.0 10.0 107.0 101. 13.0 107. I0 100.0. 1 73.0... C L_ 101AL NUMP(P OF OMIFRVAI IONS: o10
GLOBAL CLIMATOLOGY a 0 ANCP usafitac AIR WEATHER SERWICE/MAC PERCENTAGE FR:-QUENCY OF OCCJR9ENCE OF CEILING Vf RLS VI.IBILITY FROM HOU:LY OBSERVATIONS STATION NUMPLR: 72 986 STATION NAME: V9 NUYS CA PERIOL Or 1CORD: 77-86 4nNTH: JUL HOUPS(ILSTI: 210-3-2300 C E L I JIG... V S 0 8 ItI Y I N S T 930TI i M IL E...................... IN I 01 01 24 GE GE G- GE G- GE GE r. E. 21 IL I1 04 FEET I I b 5 4 3 2 112 2 1112 1 1/4 1 /4 5/p 1/? /16, 1/- N0 CElL I 82.5 92.4 92.8 92.9 92.9 92.9 92.9 92.9 92.9 92.0 9'.9 91.9 9'.Q 927.9 67.4 9,-.9 UC 2E2201 83.2 93.1 93.S 93.6 93.6 93.6 93.6 93.6 93.6 936 9'.6 9. t..6 63.6 1'*. 9, G[ 18000 83. 2 93.1 93.5 93.6 93.6 93.6 93.6 93.6 93.6 03.b 9 I (I qi.t 93., 9. 6,5 1.t 4.F 1,000i 8':2 93.1 93.5 93.b 93.6 93.b 93.b 93.6 93.6 93.6 6 h 9.6 b 93;: 1.1,.6 6.: I.F 14o1 8.8 96.3 9.9 97.0 97.3 97. 0 97. 0 9 70 97.0 97 17.1 97.(; 91 7. 0 J.2 7. (,E I2to70 85.9 9b.5 97.2 97.3 97.3 97.3 97.3 97.3 97.3 9 97.3 97.3 97.7 '47.3 97.1 91.3 1,1 102001 86,9 96.9 97.6 97. 7 97.3 97.7 97.7 97.7 17.1 97.1 9'.1 67.7 97.7 '7.1 97.7-7.7 I.E 9c000[ 859.6.9 97.6 97.7 97.7 97.7 97.7 977 97.7 91.7 97o7 0.7 93*3 97*7 93.7 61.1 GE 91103 9B,9 66.9 97.6 97.7 97. 7 97.7 97.7 97.7 97.7 '7)7 '.7 93.3 1.1 '1 1 7.7 67 a 7UCI r, a 9 96.9 97.6 91.7 97.7 97. 7 97.1 97.7 97.7 97.7 97.7 93.1 91. 9 97.7 7 3.7 G C 60001 89.8.9. 96.9 9.6 97 97.1 97.7 91 97.7 977 97. T 97.1 97.7 93.7 T 131.7 G E S01D 99.9 96.9 97.6 97.7 97.7 97.7 97.7 97.1 97.7 9. 77.7 9'. 97.7 17.7 67.1 E 4, 66 6 c.9 96.9 97.6 91.7 97. 91.7 97.7 97.7 91.7 97.1 97.7 93.7 97 9 97.7 97.3 G E 4201 85.9 96.9 97.6 97. 97 7 91.7 97 7 97.7 97.7 91.7 97 1 97.7 91. 9T.1 93.7 971 ( 3I 5001 8.9 96.9 97.7 97.8 97. Q7. 8 97.9 97. 91-97.8 97. 9 97.8 97.8 91.8 97. 97.f 6, 3j ( 961 46.0 97.1 97.8 97.9 97. 9 91 9 97.9 93.9 97.9 91.9 9.Q 97.9 97.0 97.9 11.9 97.9 GT sun i 86.1 97.2 97.9 98.1 99.1 998 99. 9'.1 19.1 99.119.1 98.9 9. I.E 27u2O 96.6 9.9 9, 93. 99.0 99. 99.0 9.0 99.0 990 99.0 9'.1 99.7 99.' 99.2 9. 9.17 Gr 1C01 86.5 97.9 98.a 99.0 99.2 9.2 99.0 99.0 99.0 99.0 99.7 99.0 9 p9.2 99.2 99.u I 16001 se 86.6 99.2 99.1 99.2 99.? 9 9 99. 99.2 09 ' 92 99. 99 2 9.9 92.2 9.1 r 1700 86.6 'q q.6 98.6 999 99. 19.6 99.6 99.6 99.6 g9.6 99.9 E 9.6 99.6 99.9 99.6 99.b E, 1772 96.6 98.7 9.6 99 99977 99.7 999 99.1 99 9 97 991 99 99.7 99.7 99.7 GEf 9071 96.6 98.7 93.5 99.7 99.7 99.7 99.7 99.1 99.7 99.7 99-7 99.19 9.7 99.7 99.7 99.7 Poo 7111 96 74: 999 1 1 60: )U3:0 100 :0 100:0 10.:0 10:0 I 100 10:0 1no0 100.)0 10.0?071 96.6 98.7 97.9 112.0 10. 131.0 100.0 100.0 120.0 170.0 107.7 103:.0 100.2 110.0 10. 0 122.0 4, 74L~I 83.6 98.7 99.9 1717. 120. a 3,2.2 120. 0 10.0 13.0 170.0 p'.7 n''.0 121.2 10.0 100.0 1.0. ff f301 86.6 98.7 97?.9 100.J I100. ' 1I9. 2 100.0 IC.0 1G0.0n I10.0 1. r).1 I103.0 101.7 1 o.0 10.0 100.0 ii TLl 86.6 98.3 91.9 111O. 10. 10c. 3 00.0 100. 0 100. I 0 1O. 0,u1.7 1 0.0 103.0 0O.3 00.0 10o. 4010 9 6. 98.7 9.9 102.0 100. 1c. 0 100.0 to0. 0 1O.O 17l2. 0 1 0 1.0 101.0 1 l. 1O.D 100.0 li 8O 8.. D6.. 1 00,O. I'C.0 O o 0 I 0]. 0 U 13U. L :O 0O]. 100:0 OO. 1 C]000.. 00]. 0. I0O.O,r,1 96.6 99.9 99.9 100. 1 I0.' I 7. 100.0 100. 0 100. 1. 7. 10.0 103.0 10.0 100.0 120.0 7,3 I 6.6 90.T 88.9 9 9.F 100.2 100.1 410. 0 102.0 100.2 120.0 17. 0 I9 1. 000.0 D0O.0 100.0 I10.0 F, Al 6.6 99. 7 9?.9 100.0 100].; I {(. a I0on.0 1O0. 0 1:30.0 I00.0 1 n 1 '10.O U 00.0 1Od. 0 00.0 100.0 1 11A L NL-Qf P O r ORSf 'VA TI),,S : 719
GLOAL CLIMATOLOGY BRANCH LIsAF E T[AC AIR WLATHER SERVICE/MAL PFHCENIAGE Fr:OUENCY OF OCCURRENCE OF CEILING VFRSUS visibility FROM HOU9LY ObSERVATIONS STATION NUMBER: 7228R6 STATION NAME: VAN NU YS CA PEPIOL OF RECORD: 77-86 MO8 TF-: JUL OURSILST : ALL ELILISOVISIAIEITY IN SIATUIL MILE IN G nr GF IE G E GE G: GE GE G L GE GE Gr GE GE GE GE FL[I I 10 6 S 4, 2 I2 2 112 1 1/4 1 Y/N j/8 112 5/16 1/4 U........................ o... o.............. o... o......... N.0 CFlL I 62.1 78.1 83.1 85.4 87. 87.6 87.7 87.7 87.7 87.7 97.7 1.7 87.7 97.7 87.7 97.7 Ef.J uo 63.2 79.1 84.1 86.4 88.' 86.1 88.7 88.7 88.7 88.7 9P.7 98.7 88.7 98.7 8.7 q6.7 t.f 18 D 61.2 79.1 84.1 86.4 pa.5 48.7 88.7 88.7 8R.7 89.7,P.7 q8.7 88.7 R8.? 88.7 96.7 GE 1 'lli 61.2 19. 1.I 86.4 88.6 88.17 88.7 88.7 68.7 88. PP.7 88.1 8A67 86.7 88.7 58.7 F I 1 ( f* P2.U 856.9 89. 2 91. 91.5 91.6 91.6 91.6 p1.6 91.6 91.( 91.6 QI b 1.5 9 1.- FE 12ooI f.7 mz.7 41.6 89.9 92.2 92.2 92.1 92.3 92.1 92.3 92.3 92.3 92.3 92.3 9.3 92.1 z IO{UlI 66.8 83.9 81.k 91.1 91.5 93.5 91.6 91.6 93.6 93.6 T.6 91.6 93.6 93.6 9'.6 93.6 I.F 9ClCj 66.4 83.9 8R.1 91.1 99.6 93.5 9!.6 91.6 91.6 93.6 q'.6 91.6 93.6 91.6 91.6 93.c fir 831 )( F.4 8S.9 88.6 I.1 93.6 93. 6 93.6 93.b 93.6 q3.6 99T.- 91.6 97.6 3.6 93.6 93.b [F 1I0o1 15.. 03.; 88.4 91.1 93. 93.6 9'.6 9 3. 7 91. 93.7 9T.7 93.7 93.7 93.7 99.7 93.7 of tl/ qi 1 6. 83.9 89.H 91.1 91.5 93.6 93.6 9 3. 7 9 3.7 91 7 9'.? 93.7 93.7 93.7 93.7 93.7 " I,cl F'6,.4 H.9 84.d 91.2 93. 93.6 91.7 91.7 9.7 03.7 9!,7 93.7 91.7 93.7 91.7 93.7 I.E 4tr.6 p.c 89.8 91.2 91.6 13.7 93.1 9.7 93.7 93.7 99,7 93.7 93.7 03.7 9,7 q1.1 6 E ' L I 66.6 994.L, 8.9 q.2 99.5 93.7 93.7 93.7 93.7 93.1 91.7 93.7 93. 7 91.7 93.7 93.7 (IE c r I ft. 84.1, 89.; 91.1 93.6 93. 7 91.7 91.8 91.8 93.8 7.8 91.8 93.8 03.9 93.8 93.8 I. f 07I f6. A 4.I ). 8.2 I.i 93.17 93.6 93.8 93.9 93.9 93.9 9'.0 93.9 93.9 93.9 97.9 93.9 G f 5 '3 7,6.6 R4. 83.I o1.1 98.1 98.1 98.2 94.2 94.2 94. 94.2 94.2 94.2 94.2 94.2 96.2 2333 rc 6.8 4'.8 913.1 92.6 95.3 q5. 1 95.1 95.2 95.2 95.2 9".2 95.2 96.2 os.2 96).2 95.2 7 1833 66b1. 4.9 93.2 9. 7 96 1 9S. 95.1 95.3 9S.3 96.3 9'. P 99.3 95.3 9$.3 96.3 9.3 f I%3I 66.Q 95.2 91 ' 93. 3 9.4 95.9 96.D 96.0 96.0 060 96. Qb.U 9b.0 96.0 96. 3 Q6. f 12U 1f 66.9q 85.4 9.9 03.7 96.6 96.6 96.7 96.7 96.7 96.7 9,.7 96.7 96.7 96.7 96.7 9b.7,1 1LOLI 6.9 86.6 91.1 94.2 97. 97.8 97.6 91.6 97.6 97.6 97.6 97.6 97.6 97.6 97.6 07., o6 9 1 671.9 85.6 91.1 94.1 97.' 97.7 98.0 98.0 98.0 98.0 9R. 99.0 98.0 98.3 98,0 98.0 I. f qj 6T.p 96. 91.1 94.2 97.6 98.3 98.5 98.97 e.7 98.7 98.7 98.7 98.1 98.7 98.7 96.7 6f 70 1 67.3 95.6 91.2 94.2 97. 7 98.2 98.9 99. 0 99.0 ;9. 0 go, 99.0 97.9 99.3 9Q.0 99.0 u.f U 9) 67. '6.S 91.2 94.1 97.9 98.3 99.1 99.8 99.8 99.4 90.Q 99.4 99.8 99.4 99.4 99.4 G F 602C 67.3n 96.S 91i 94.3 97.9 98.4 99.1 99.8 99.8 99.8 90.8 99.8 99.8 99.8 99.8 Q9.8 I.E 80) 61.7 866S 91.2 94.3 97.1 98.4 99.3 99.8 99.8 *99.9 9,o0 99.9 99.9 99.9 99.9 99.9 kf 101).1 9S6 91.2 94.3 97.9 98.4 99.4 99.9 99.9 io.0 13aP.0 100.0 100.0 1Po. 100.0 110.0 0E 2o7n 67.0 8.65 91.2 98.1 97. 98.4 99.8 99.9 99.9 13o.0 100. 07.0 n 100.0 100.3 100.0 1 O (IF 1(171 67. 8.65 91.2 94.3 97.9 98.4 99.4 99.9 99.9 17O.0 10(,.fl 1o.o 103 131.3 10.0 130.0.E 71 67.C 86. s 91. 94.3 97. 98.8 99.8 99.9 99.9 100.0 luo.( 100.0 100.0 1o.3 100.0 100.0.....,.... +,.,,..,...,........, oo,........,..,,....,....,+...,,..,..,......... TOTAL NM'E6P OF OSRVAT IjNS: 559
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY of OCCJPRENCE OF CTILIN v.'i VT.IbILITY USAFETAC FROM OUILT 78SEPWATTONS AIR WEATHER SERVICE/MAC STATION NUMBER: 722986 STAT ION NAME: VAN NU S CA It'I-[ 7F.IEC : 77-.6 "'NIl: AU3. 62UPS1L6T1 I-16 CE1ILING AISIPILITT 14 STAJTrT Mlii', I ri GE GE GE GE GE G- GE G GEL E 'I 6 GL F c L if FEET I 10 6 5 4 2 11 2 2 1 1/2 I I/4 I "I", i' 1/ '/16 I/4....,,,.,,*,,,*,,,.* *.*.,, o,,,,,.,, *....,*........... NO CEIL 1 37.7 60.5 64.5 65.5 67.3 67.3 67.3 67. 3 67. 3 61.3 b3. 63 67.3 67.3 67.3 77.7,0( 2000 33.7 62.5 64.5 65.5 67.3 67.3 67.3 67.3 67.3 67.3 67.7 67,3 67.T 67.3 67.3 71.3 GE 18300 37.7 63.S 64.5 65.5 67.3 67.3 67.3 6.3 67.3 67.3 b.3 67.3 67.3 67.3 (,. 3 b7.3 fe 16201o 37.7 60.5 64.5 65.5 67.3 67.3 67.3 67.3 67.3 67.3 67.3 67.3 67.3 67.3 61. 3 (,.3 GE irdo3 39." 62.3 65.4 67.3 69.1 69.1 69.1 69. 1 69. 69.1 61.l 69.1 69.1 69.1 69.1 G6.1 GE 12rlG01 4 0. 63.6 67.7 68.6 70.6 7c. 5 70.5 70. 5 7 3.5 73.5 79 703. 75 ::5 70.5 7 '.5 7.. ue 10300 1 4Q 65.0 69.1.U 7 1.6 71.6 71.8 11.6 31.8 711. 71, 71.8 71.8 71.8 1.3 71. 9 GE 900 41.3 65.0 69.1 7O0. 71.6 71.6 71.6 71.6 71.8 71.8 77.8 71.6 71.9 71.3 11.8 3.5 GE 8'00I 81.R 65.5 6.5 73.5 72.3 72.0 77.3 72.3 72.3 72.3 7. 3 72.3 72.3 72.3,.3 1.s GE 7001 4 1.A 65.6 69.5 73.5 72., 72.3 72.3 72.3 72.3 72.3 72.3 72.3 72.3 72.3 12.3 77.3 (E 6700 41.A 65.5 69.5 70.5 72.3 72.3 72.3 72.3 72.3 72.3 7?.3 72.3 77.3 72.3 7,.3 72.9 5E SO00 41.A 65.5 63.5 70.5 72.3 72.3 72.3 72. 3 72. 3 72.3 32.3 72.3 72.3 72.3 72.3 77.5 GE 460G 1 66.9 73.9 71.6 73.6 73.6 73.6 73.6 73.6 73.6 7'.6 73.6 73.6 73.6 73.6 73.6 b 4 001 4 1.P 66.4 71.4 72.3 741 74.1 74.1 79.1 74.1 74.1 76.1 74.1 74.1 74.1 74.1 34.I GE 350l 1I.8 66.8 71.9 72.7 74.5 74. 5 7 39.5 7.5 74.6 74. 5 746 74.5 74.5 74.5 3.I GE 33001 41.9 67.7 72.7 73.6 75.5 75.5 75.5 75.5 76.6 75.5 7.5 7,., 75.5 75.5 7.S 76.6 GE 25,01 41.9 68.2 73.2 79.1 75.9 75.9 75.9 75.9 75.9 75.9 77.9 75, 75.9 75.9 76.9 73., 6E 2000 1 1.8 68.6 75.j 76.4 739. 78.2 78.2 78.2 78.2 79.2 7.? 73.2 79.2 79.2 7P., 7.Z GE 19C21 41.9 69.1 75.9 77.3 79.1 79.1 79. 1 79.1 79.1 79.1 7q.1 79.1 79.1 79.1 7.I1 7.1 GE 15OC1 47.3 7.9 79.2 79.5 81.4 61.4 81.4 81.4 81.4 PI. 4..L 91.4 81. 4 91.4 81. 4 3, GE 100D 42.3 71.8 78.5 S0. 82.7 87.7 82.7 82.7 82.7 P2.7 82.7 92.7 AZ.7 82.7 82.7 P7.1 GE I0O 42.3 71.8 87.9 82.7 84.5 35.0 85.0 95.0 85.0 95.. 1.19 AS..85.0 0 95.7 66.j GF QO 42. 3 71.8 83.9 93.2 As.5 5.9 86.4 86. 4 86.4 96.4 8.4 R6.4 86.4 96.4 46.4 b.4 GE 61OO 92.3 7Z.3 91.8 95.3 87.7 88. z 89.1 89.5 89.5 89.5 8.1 9 88.5 89.5 89.5 6, '3.7 (I 7O 42.0 72.3 8.3 5.5 89.1 89.5 90.9 91.9 91.8 91.6. P 91.8 91.8 I.q 91.8 QIA GE 6CO1 2-23 72.3 82.7 86.4 90.5 20.9 93.2 94.5 94.5 4.5 9,4.6 94.6 94.S 94.5 94.5 4.' GF 67C9 342.3 72.3 83.2 86.a 91. 9 e.7 9.5 96.8 86.8 96.A 9V.8 96., 96.8 6.8 96.8 I. A GE 47f35 42.3 77.3 83.2 96.9 9I.Q 927. 9r,. 97.3 97.3 97.7 97.7 37.7 97.7 97.7 97.7-1.7 GE 3001 92.3 72.3 3.2 96.8 91.8 92.7 96.9 93.3 97. 7.7 92.7 93.7 99.2 q8.- 9R. :,, ul ouoi 42.3 72.3 83.2 86. 91.4 92.7 95.9 97.7 97.7 q9.7 9..' 99., 99.6 '9- A.b 43.6 b GE IdOl 42.3 72.3 83.2 96. 8 91.8 92.7 96.9 97.7 97.7 9R./ 9"., 94.7 99.1 ".1 99.5 94.6 A 1 9 42.3 72.3 87.2 86.8 91.9 92.7 95.9 97. 7 87. o.2 90. 99.2 99. 1 99.1 11.0 17 D.(......... IOTAL NUMBED OF O8SERVATI3NS: 720 do. -
GLOBAL CLIMATOLOGY BRANCH usafettc AIR weatper SE8VICE/MAC PERCENTAGE FR-QUE4CY OF OCC'JRRLNLL OF CEFILING vrsus VISIBILI9T FROM HOUILY OBSERVATIONS STATION NUMPLR: 71286 STATION NAME: VAY NUYS CA PLqIou OF RECORO: 77-86 MONTH: AUG HOU9S(LSOI: a600-3802 IN IG E G F E IC G- GE G G E GE G E GE GE GE GL G E FEET I 0 6 5 4 3 2 112 2 1112 11/4 1 3 f 4 5/8 1/2 5/16 1/4 NO CEIL 1 31.9 49.4 55.5 59.4 64.5 64.8 64. 9 64. 64.9 64.9 6b".9 64.9 64.9 64.9 64.9 64.9 6 F. 2600C11 32. 1 49.6 55.9 59.6e 6N.B 65. 2 65.3 65. 3 65,. 3 65.03 S. 3 65s.3 65.3 65.3 6S.3 65. 3 6F 18501 72.1 49.6 55.3 59. 64.9 65.2 65.3 65.3 65.3 65.3 65., 6S.3 65.3 65.3 65.3 55., 6E 163001 32. 49.6 55.8 5.6 64.4 65.2 65.3 65.3 65.3 65. 3 65. f5.3 65.3 65.3 65.3 65.3 1, 14 ']1 3 7.9 51.9 59.z 62.1 67.4 67.8 67.9 67.9 67.9 67.9 67.9 67.9 67.9 67.9 67.9 67.9 ft IZ7,GC 34.4 52.7 5?.2 63.2 68.5 68.9 69.0 69.0 69.0 69.0 6.3 69.0 69.0 69.0 69.3 69.0 GE 10Os0I 36.7 54.9 b1.4 65.41 71.2 71.6 71.7 71.7 71.7 71.7 71.7 71.7 71.7 71.7 71.7 71.7 ff 9r 01 r 36.7 54.9 61.4 65.4 71.2 71.6 71.7 71.7 71.7 71.7 71.7 71.7 7. 7 71.7 71.7 71.7 fe 8000 36.7 55.3 61.9 65.9 71.6 72. 0 72.1 72.1 72.1 72.1 7'.I 72.1 77.1 72.1 72.1 72,1 t 770 q 36.a 5,.7 62.1 66.2 71.9 72.3 72.4 72. 4 72.4 72.4 72.4 77.4 72.9 72.4 72.4 72.4 F 6ulO 36.9 S5.9 62.2 66.3 2. ] 72. 4 7.6 72.6 12.6 72.6 77.6 72.6 72.6 72.6 72.6 77.( L GE F 01 36. 9 55. b2.2 66.3 72.7 72.4 72.6 72.6 72.6 72.6 17.6 72.6 72.6 72.6 72.6 72.6,F 4 'u 1 77.0 55.9 67.7 66.4 72.1 72. b 7.7 72.7 72.7 72. 7 7'7 02.7 72.? 72.7 7. 7 22.0 b[ 1on 4 77.2 55.9 674 66.5 72.2 72.7 72.8 72.8 72.8 72.8 72.4 72.8 72.4 72.8 77.9 72.8 v 1 i 1 77.0I 53.9 62.4 66.6 72.7 72.8 72,9 72.9 72.9 72.9 7'.q 72.9 72.9 72.9 7.9 72.9 f 3700$1 5 7.4 5b6.7 6.9 67.3 72.8 73.2 73. 3 73. 3 73.3 77.3 77. 7.3 77.7 73.3 77.3 73.7,f i',o r? 77.6 5b.q 67.5 67.7 73.E, 74.1 74.1 74.1 74.1 74.1 74.1 74.1 74.1 74.1 74.1 794.1 9.2'"I 7.7o 17.9 64.7 69., 75.6 76.1 76.? 76.2 76.2 76.Z 76.211.? 76.2 76.2 76.? 7b.2 I R L;l 77.A 8.4 65.2 7J.3 76. 76. 9 77.0 77.0 77.0 77.0 77.0 77.0 77.1 77.3 71.7 77.01 V01 1 37.4 59. 65. 72.6 78.7 79. 7 79.5 79.5 79.5 79.5 7.S 79.5 79.5 73.5 7-. 75o, F 12[1 17.9 )3.1 67.5 74.1 A.2 3.1 87.5 8 7.5 83. 13..593..5 671.5 97.5 47.5 0.- if I., 1 7.9 J b s9. 75.1 94.9 86.3 87.1 87.1 87.1 8I.2 97. 47.2 97.7 97.2 A7.2 7.2 9.17 ir 77.9 63.6 63.5 75.5 66. R 7.9 89.2 89.5 89.5 P9.6 99.f, q1.6 89.6 A9.6 89.s '4I., (.5 r 77.9 62.6 69.5 76.j 87.7 89.6 91.6 92.? 92.2 2.4 9.4 '29.4 97.4 97.4 97:.4,;.4 7 lull s7.') 62i. b4.s 76.2 8.6 9.4 93.0 97.8 97.8 Q4. 94.71 4. 1 94. 1.4.1 90. 1 14. 60$ 3, 7.9 63.6 69.6 75.7 89.1 91.1 94.3 95.2 95.2 95.5 '.5 95r.5 95.5.5 *.5 35,.5 E (0, TH 57.9 k2.6 69.6 76.4 90.2 ')2.1 96.1 97.4 97.5 97.8 97.9 97.8 37.8 97.8 97.9 7.9 '5 4in 77.9q 60.6 b9. 36.4 90).03 92.1 9. 1 9 7.6b 97.8 9.9 90.1 99.73 99.7 9 4.73 94.71 '.,7[ 'JOl 34.0 6j.7 69.7 76.5 90.1 92.2 96.2 94.2 94.5 99.1. 99.5 9.S 9.5 99. 95.,I 200 74.0 67.7 69.7 76.5 9o.1 92.2 96.2 9q.2 94.5 4. 1 99., 9.5 99.7 9.;7 99.7 9,7 I4 l I 5P.0 6j.j 69.7 76.5 90.1 92.2 96.2 99.2 98.5 O9.j 1 4.N 99.5 Q.7 99. 99..A 1, 1 38.0n 63.7 6.7 76.5 9. q2.2 I 96.7 98.2 48.S 99.1 39.t '.5 99.9 9.4.9 I. : oo,......o.... oo....,.....,......... -'4 IOIAL NMR9 O9S' 0F RVAT NS 9
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ULOuAL CLIMATOLOGY BRAND- PLRCENIAGE FR- UENCY OF OCCJRENCE OE CEILI9G 8WUS VISIBILITY USAFETAC FROM OUIL3 OBSERVATION S AIR WEATf-ER SER8ICE/MAC STATION NUMPER: 772986 STATION NAME: VAN NUYS CA PERIOD OF RECOR0: 77-86 MON TH: SE HOURSLSTI: 0300-0500 CEI L1' AISILTY.N STATUTF MILS IN I G E GE SE GE G I GE G G L G 1 Gf 5E GE GE GE FEET I 1r 6 5 3 2 1T'2 2 1 1/2 T 1/N 1 3/4 S/8 1/? /16 1/4 0 NO FEIL I 39.0 3T.7 59.5 61.5 63.4 63. 4 63.4 63. 4 63.4 63.4 C9.4 63.4 63.4 6.4 b3.4 63.q UE 200001 39.0 93.7 59.5 61.5 63.q 63.4 63.4 63.4 63.A 63.4 53.4 63.4 60.4 63. 4 63.4 63.4 GE I8COOI 39.C 53.7 59.5 61.S 63.4 63.4 63.4 63.4 63.4 63.4 S5. 63.4 63.4 63.4 b3.4 63.4 GrF 160001 39.0 53.7 54.5 61.5 63.4 63.4 63.4 63.4 63.4 63.4 5.4 63.4 63.4 63.4 63.4 63.4 SE I 1400 41.0 55.6 61.5 63.4 65.4 65.8 65.4 65.4 65.4 5.4 6.4,5.4 65.4 65.4 69.4 654, GE 12,001 4.0. S6-61.5 63.4 65. 64 65.4 65.4 6.4 6S.4 65.4 69.4 65.4 65.4 65.4 69.4 6.' GE 1 001 42.4 57.6 6!.4 64.4 67.3 67.3 67.3 67.3 67.3 61.3 7.3 67.3 67.3 97.3 67.3 67.3 GE 4000 42.4 57.6 63.4 65.4 67.3 67.3 67.3 67.3 67.3 67.3 67.3 67.3 67.3 67.3 67.3 67.3 GE 8'09 42.4 57.6 63.4 65.4 67.! 67.3 61.3 67. 67.3 67.3 67.3 63.3 67.3 67.3 67.3 67.3 6 F 7o00 42.4 97.6 b3.4 65.4 67.3 67.3 67.3 67.3 61.3 67.3 67.3 67. 3 67. 67.3 67.3 67.3 GE1 6900 42.4 Se.0 63.9 65.9 67.R 67.8 676 67.8 67.8 7.8 6 63.4. 67.8 61. 8 f67. GE SE o 042.4 9s.3 63.9 65.9 67.4 67.8 61.8 67.8 67.8 67.8 b7. 9 67.9 67. 67.8 67.8 67.4 GE 4',00 43.4 63.C 6.9 67.4 69.8 69.8 69.8 69.8 69.9 69.8 6 9 69.8 69.8 69,8 69.4 69.8 GE 40O3 4', 63.0 65.9 67.8 69.9 69. 8 69 69.4 69.8 69.8 69. 69 8 69.8 6,:8 64.4 64.9,E 3'u j 4 4 6,. 67.8 69.3 71.7 71.? 71.7 71.7 71.7 71.7 71.7 71.7 71.7 71.7 71.7 71.7.4 100 4F9. 62.9 69.a 73.7 72 7 72.7 72.7 72.7 72.7 72. 7 72.7 72.7 72.7 72.7 72.7 7..7 joe 200 1 4.3 b3.4 69.3 71.2 73.2 73.2 73.2 73.2 73.2 73. 2 73.7 73.2 73.2 73.2 73.2 73.2 GE 2900 46.3 64.9 73.7 73.2 75.6 75.6 75.6 75.6 75.6 75.6 75.6 75 b 75.6 75.6 75.6 75.6 GE IF CO 4h.1 6 4. 7 is.7 73.2 75.b 75.6 75.6 75.6 75.6 75.6 79.6 75.6 75.6 75.6 79.6 75.6 GE If30 46.8 67.3 74.6 78.3 89.5 R. 5 80.5 80.5 80.9 80.5 87.5 80.5 777.5 90.5 80.5 R.5 UE 120c 47.8 69.3 77.1 81.3 84.4 84.4 86u.4 84 84.4 84.4 84.4 84.4 84.4 44.4 84.4 84.4 f ls i 4 7. 71.2 73.S 83.4 86.8 86.8 86.8 86.8 86.4 86.8 86.8 86.8 86.8 86.8 66.8 96.6 E qu74 7.8 7I.2 73.5 3.9 87.4 437. 88.3 88.3 88.3 88.3 8Q.3 88.3 883 8.3 8.3 86.3 f, q01 7, 7,8 8 S 84.9 8q.3 89.3 90.7 90. 7 9g.? 93.7 9.7 3.7 93.7 90.7 90.7 9.7 5E 7 I 47.8 7. 7 81.3 84.4 9).7 91.2 93.2 93.7 93.7 93.7 3.7 93.7 93.7 93.7 97.7 93.7 u F 500 47. 7..7 811. 45.9 91.0 91.7 94.1 94.6 94.6 94.6 94.6 94.6 94.6 Q4.6 94.6 94.6 GE 5L04 47.P 72.7 82.0 96.3 91.7 92.2 95.1 96.1 96.1 96.1 9,.1 96.1 96.1 96.1 96.1 06.1 GE F 0qI 47.8 72,. 8.3 86.3 91.7 92.2 95.6 97.1 97.1 97.6 47.6 97.6 97.6 97.6 97.6 97.b GE ' 0 47. 72..7 8,.j 86.3 91.7 92.2 95.6 98.5 98.5 9 7. r 99. 90 9. O 99.0 49.3 49.0 Lii 20 467.4 72.7 82.3 86.3 91.7 92.2 95,6 98.5 98.5 99.0 99.0 99.0 99.f0 99.0 49.0 99.0 I T 00 47.8 72.7 87 86. 3 91.7 92. 2 95.6 98.5 98.5 99.C 99.0 99.0 99.5.9.5 99.S 99.5 (I 01 47.9 72.17 82.3 86.3 91.7 92. 95.6 98.5 98.5 98.0 Qq9. 99.0 99.4 99.5 99.5 130.0 TOTAL.UM.E.,,. 49..o..., A T...,., 134S: 2...,,.....,..5...5.....,,,...,...,..,., TOTAL NUMFB Q OF o4srqvati34s: 21J5 f 3d.........................
GLOBAL CLIMATOLOGY ERA NCH PERCENTAGE FR:QUENCY OF OCCJRRENCE OF CEILING VERSUS VISIBILITY L'SAFETAC FROM HOURLY OBSERVATIONS AIR WEATHER SERVICE/MAC STATION NUMBER: 722886 STATION NAME: VAN NUYS CA PLPIOD OF PECORD: 77-86 MONTH: SEP HOUpSILSTI: 0600-0800 IN RE OE G G G G E G G E G I GE GE rsa GTF I E GE L FEET I 1o 6 5 4 3 2 I2 2 1 112 1 1/4 1 '/4 5/8 1/2 9/16 1/4 G..............o..o.......... o.......................... NO CEIL 1 17.3 44.8 49.5 53.9 55.2 55.2 56.0 56.3 56.3 96.4 56.4 56.4 56.4 56.4 56.4 56.4 GE 200001 3e.0 45.4 48.2 51.7 56.2 56.2 57.0 57.3 57.3 57.4 57.4 57.4 57.4 c7.4 57.4 51.4 UE 180001 39.0 45.4 43.2 51.7 56.2 56.2 57.0 57.3 57.3 5?.4 57.4 S7.4 57.4 97.4 57.4 57.4 GE 160001 38.0 45.4 43.2 51.7 56.2 56.2 57.0 57.3 57.3 57.4 57.4 57.4 57.4 S7.4 S7.4 57.4 GE 149Gl1 39.7 47. 7 51.7 54.2 58.8 56.8 59.6 59.9 59.9 60.0 5h.9 60.0 630 6, 60.0 60.2 GE 120001 40.1 48.1 52.7 55.2 59.8 59.8 60.6 60.9 60.9 61.0 61.0 61.0 61.0 61.0 41.0 61.0 GE 103001 41.2 49.3 54.3 56.7 61.2 61.2 62.1 62.4 62.4 62.6 67.6 62.6 62.6 62.6 62.6 62.6 GE 9:100 41.2 49.3 59 j 56.7 6 1.-? 61.2Z 67. 1 62. 4 62.4 62.6 627.6 6'.6 62.6 62.6 62.6 62.6 GE snoo 4 1.8 44.9 54.6 57.2 61.8 61.8 62.7 63.0 63.0 63.1 6.1 63.1 63.1 63.1 63. 63.1I GE OGO I 41.8 4.9 54.6 57.2 b.8 61.8 62.7 63.0 63.0 63.1 53.1 63.1 63.1 63.1 63.1 63.1 ue 60001 42.4 50.6 55.2 57.9 62.4 62. 4 63.3 63.7 63.7 63.8 63.- 6.8 63.9 63.8 63.8 63.4 GE SIOO 43.0 1. 1 55.8 58.4 63.0 63.3 63.9 64.2 64.2 64.3 64.3 64.3 64.3 64.3 b4.3 64.3 GE 9001 43.9 92.4 57.1 59.8 64. 64.3 65.2 65.6 65.6 65.7 65.7 65.1 65.7 65.7 65.7 65.7 GE 4000 44.2 52.8 57.4 60.1 64.7 64.7 65.6 65.9 65.9 66.0 66., 66.0 66.0 66.0 66.0 66.0 GE 35001 44.4 53.1 59.0 60.0 65.2 65.2 66.1 66.4 66.4 66.6 6.6 66 6 66.6 66.6 66.6 66.6 GE 000l 45.7 54.7 50.6 62.2 66.8 66.8 67.7 68.0 68.0 68.1 b.1 58.1 68.1 68.1 b.1 66.1 GE 2500 46.3 56.2 61.1 63.8 68.3 68.3 69.2 69.6 69.6 69.7 69.7 69.7 69.7 69.7 b9.7 69.7 GE 200 47.9 59.1 64.4 67.4 72.2 72.2 73.1 73.4 73.4 73.6 73.6 73.6 73.5 73.6 73.6 73.6 GE 18001 48.1 59.8 65.4 68.7 73.8 74.0 74.9 75.2 75.2 75.3 5.3 75.3 75.3 75.3 7 79.3 75.3 7 GE 1,001 48.2 61.0 67.1 71.3 77.2 77. 4 78.6 78. 9 7R.9 79.0 70.0 9R. 79.3 79.2 79.0 79.0 (E 12 l 49.6 63.2 69.7 74.1 80.8 81.0 82.2 82.6 82.6 82./ 82.7 92.7 82.7 42.7 62.7 92.I be 1001 49.7 63.8 71.9 75.9 84.0 85.0 86.6 86.9 86.9 A7.0 87.9 87.0 87.0 47.0 87.0 87.U,E 900 49.4 64.0 71.1 76.1 84.9 85.9 87.9 88.2 88.2 3.3 4.3 R4.3 88. 3 88. 8.3 48.3 GE BUD 49.R 64.0 71.2 76.4 85.9 47.3 90.1 40.9 90.9 9I.0 91.0 9.0 91.0 91.3 91.0 91.0 G E 0oI 49.8 64.1 71.4 77.1 86.7 98.4 92.1 97. 3 93.3 93.7 91.7 93.7 93.7 93.7 9i.7 93.7 GE 6C01 49.8 64.1 71.4 77.2 86.q 88.8 92.8 94.4 94.4 94.9 94.9 94.9 94.9 94.9 94.9 94.9 SE 00I 4-.8 64.2 71.9 77.8 87.4 89.4 93,7 95.9 95.9 96.b 96.6 96.6 96.6 96.6 96.6 96.6 GF 400 49.8 64.2 71.8 77.8 87.4 39. 4 93.R 96.2 96.2 97.4 97.9 97.4 97.6 97.6 97.6 97.6 GE 9001 49.9 64.2 71.8 77.9 87.6 49.6 93.9 96.6 96.6 98.3 98.4 98.4 98.6 98.6 98.6 98.6 (E 7001 9.9, 64.2 71.8 77,9 87.6 89.6 93.9 96.6 96.6 '8.3 98.4 98.4 98.7 98.7 98.8 98.8 if I0 49.9 64.2 71.8 77.9 87.6 89, 6 93.9 96.6 96.6 98.4 98.7 98.7 98.9 98.9 99.4 99.4 GE 01 49.8 64.2 71.8 77.9 87.6 89.5 Q3.9 96.6 96.6 94.4 9R.7 98.7 98.9 99.0 99.7 100.0 TOTAL NUMAIT OF OSERVATIONS: 900
GLOBAL CLIMATOLOGY BRANCH USAFETAC AIR WEATI-ER SERVICE/MAC PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITY FROM FOUqLY OASERVATIONS STATION NUMBER: 7?2886 STATION NAME: VAN NUTS CA PERIOD OF RECORD: 77-86 MON TH: SEP HOURS(LSII: 090-Il o0 CEILING VISIBILITY IN STATUTE MILES EiINMLE IN GE GE IC GE GE GE GE GE GE GE GE GE GE GE GE GE FEET I 6 5 4 3 2 172 2 1 1/2 1 1/4 1 3/4 5/8 I/2 /I6 1/4 0.....,......,...,,,...,......,...,,...,..,,.........,...,,,..,..........,......,, NO CEIL 1 32.9 45.2 51.1 55.7 63.0 63.1 63.7 63.8 63.8 63.9 61.9 63.9 63.9 63.9 63.9 63.9 CE 200001 33.3 45.9 51.R 16.3 63.9 b4.0 64.6 64.7 64.7 64.8 54.8 64.8 64.8 64.5 64.8 64.8 GE 18000 33.3 45.9 51.9 56.3 63.9 64.0 64.6 64.7 64.7 64.8 641.8 64.8 64.9 64.8 64.4 64.8 GE 6TOO 33.3 45.9 51.8 56.3 63.9 64.0 64.6 64.7 64.7 64.8 64.9 64.8 64.8 64.8 64.8 64.4 GE 14C00 35.1 48.3 54.6 59.1 66.9 67.0 67.6 67.7 67.7 67.8 67.8 67.8 67.8 67.8 67.8 67.8 GE 12000 35.4 49.1 55.4 60.0 67.4 67.9 68.4 68.6 68.6 68.7 68.7 68.7 68.7 GA.7 68.7 68.7 ue 100001 36.9 50.7 57.3 62.2 70.2 7c.3 70.9 71.0 71.0 71.1 71.! I.I1 71.1 71.1 71.1 71.1 GE 9000 36.9.U17 57.3 62.2 70.2 70.3 70.9 71.0 71.0 71.1 71.1 71.1 71.1 71.1 71.1 71.1 GE 87 00 37.6 91.4 53.1 63.0 71.0 71.1 71.7 71.8 71.B 71.9 71.9 71.9 71.9 71.9 71.9 71.9 GE 7001 37.8 51.7 54.3 63.2 71.2 71.3 71.9 72.0 72.0 72.1 77.1 32.1 72.1 72.1 72.1 7212. GE 6000 37.9 51.8 53.4 63.3 71.1 71.4 72.0 72.1 72.1 72.2 72.7 72.2 72.2 72.2 72.2 72.2 6G SO000 38.6 52.6 5).2 64.1 72.1 72. 2 72.8 72.9 72.9 73.5 73.0 71.0 73.0 73.9 73.3 73.J GE 45001 39.0 3. 1 53.8 64.7 72.7 72.8 73.3 71.4 73.4 73.6 7.6 73.6 73.6 73.6 77.6 T36 be 4001 39.2 53.3 61.0 64.9 72.9 73.0 73.6 73.7 73.7 73.8 7'7.a 73. 8 71.4 73.8 77.R 73.8 GE 35001 39.9 54.3 61.0 65.9 73.9 74.0 74.6 74.7 74.7 74.8 71,.A 74.8 74.8 74.8 74.8 74.8 GE 30001 42.4 57.2 61.9 68.8 76.6 76.9 77.4 77.6 77.6 77.7 77.7 77.7 77.7 77.7 77.7 77.7 GE 25301 4,.1 60.3 67.2 72.7 80.7 80.8 81.3 81.4 81.4 81.6 S1.6 81.6 81.6 81.6 41.6 81.6 GE 2101 46.7 63.3 71.1 77.0 85.7 85.8 86.3 86.4 86.4 86.6 96.6 86.6 86.6 P6.6 86.4 96.6 GE 18001 46.8 63.8 71.8 77.9 87.1 87.2 87.8 87.9 87.9 88.0 86.0 48.0 89.9 48.0 88.0 86.0,E 15001 47.3 65.1 73.7 83.6 90.4 90.7 91.2 91.3 91.3 91.4 91.4 91.4 91.4 91.4 91.4 91.4 6E 12001 4 7.7 65.9 74.8 82.4 93.7 94.1 94.7 94.8 94.8 94.9 94.9 94.9 94.9 94.9 94.9 94.9 GE I1o 47.7 66.0 75.c 82.9 9S.G 95.7 96.3 96.6 96.6 96.7 96.7 96.7 96.7 96.7 96.7 Qb.7 GE Q ol 47.7 66.1 75.1 83.1 95.6 96.3 97. 2 97.6 97.6 97.8 97.9 97.8 97.8 97.8 97.8 97.8 GE 800 47.7 66.2 75.4 83.4 96.2 97.1 98.2 98.7 98.7 98.9 34.9 18.9 98.9 94.9 98.9 98.9 GE 700 47.7 66.3 75.6 83.7 96.4 97.3 98.9 99.3 99.3 99.6 99.6 99.6 99.6 '9.6 99.6 99.6 GE 6001 47.7 66. 3 75.6 83.8 96.6 97.4 99.0 99.4 99.4 99.7 9o.7 99.7 99.7 99.7 99.7 99.7 GE 5001 47.7 66.3 75.6 83.8 96.7 97.6 99.2 99.7 99.7 10.0 1I1.0 10.0 103.0 170.0 100.3 19J.0 GE 4CO 47.7 66.3 75.b 83.8 96.7 97.6 99.2 99.7 99.7 103.0 130.3 100.0 103.0 10O.0 100. 0 130.0 GE 100 47.7 66.3 75.6 83.8 96.7 97.6 99.2 99.7 99.7 00.0 I0nO. 100.0 100.0 170.3 100.0 11U.0 GE 200 1 47.7 66.3 75.6 83.8 96.7 97.6 99.2 99.7 99.7 100.0 100.0 Ino.0 100.0 100.0 100.0 170.0 GE 1001 47.7 66.3 75.6 83.8 96.7 97.6 99.2 99.7 99.7 I0.0 100.0 100.0 100 ID.0 100.0 100.0 (E ni 47.7 66.3 75.6 83.8 96.7 97.6 99-2 99.7 99.7 100.0 100.0 100.0 100.0 I00.0 1O0.0 190.0 TOTAL NUMBER OF OSSERVATI9NS: 900 06
GEOEAL CLIMATOLOGY BRANCH PERCENTAGE FR7QUE9CY OF OCCURRENCE OF CEILIVG VERS(IS VISIILITY Us9FETAC FROM HOU9LY OBSERVATIONS AIR weather SERVICE/MAC STATION NUMBER: 722R86 STATION NAME: VAN NUVS CA PERIOD OF RECORD: 77-8 MONT-: SEP OURSLST): 12O0-1400 CEILING VISIRILIT IN STATUTE MILES IN I GE E SE GE GE GE GE G GE G E 0 G s E GE E &E FEET I 10 6 5 N 3 2 1 2 2 1 112 1 11 1 3/4 5/8 1/2 9/16 1/ o......,.,.,...,,.....,.,......,..,.....,.,*..,.....,.,,.,........,...*,.......,.,..... NO CEIL 4 L 0 99.2 b.2 69.9 72.8 72.8 72.8 72.8 72.8 72.8 72.8 72.8 72.8 72.8 72.8 7z.h GE 200001 43.9 60.7 66.7 71.3 74.2 74.2 74.2 79.2 74, 2 74.2 74.2 74.2 74.2 74.2 74.2 74.2 GE 180001 43.9 63.7 65.7 71.3 74.2 7N.2 74.2 74.2 14.2 74.2 7 7.2 4,7 74.2 74.2 74.2 74.2 GE 16rOl1 438 6.7 65.7 71.3 74.Z 74.2 74.2 74.2 14.2 74.Z T.? 74.2 74.2 74.2 74.2 T4,2 GE 14'00 491.2 62.3 b43 73.0 76.2 76.2 76.2 76.2 76.2 76.2 76.7 76.2 76.7 76.2 76.2 79.2 GE 12001 46.0 63.7 61.8 74.4 77.7 77.7 77.7 77.7 77. 77.7 77.7 17.7 77.7 77.7 77.7 77.7 GE 101001 4q.1 65.9 72.3 77.J 0.2 80.2 80.2 80.2 80.2 RO.2 T.2 80.2 83.2 83.2 9).2 63.2 GE 9O 1 49.1 65.8 77.3 77.0 80.2 90.2 80.2 83.2 80.2 80.2 q3.2 AC.2 80.2 90.2 80.2 8i.2 GE 8n001 48.4 66.4 72.7 77.8 81.0 81.1 81.1 81.1 81.1 81.1 81.1 81.1 81.1 91.1 81.1 q1.1 GE 7001 48.4 66.4 72.7 77.8 81.0 81.1 81.1 81.1 81.1 91.1 91.1 41.1 81.1 Q1.1 81.1 41.1 SE 60001 48.6 66.6 72.4 77.9 81.1 81.2 81.2 91.2 81.2 81.2 81.2 81.2 81.2 81.2 81.2 91.2 GE 5000 49.7 68.0 74.2 79.3 92.6 92.7 82.7 82.7 82.7 82.7 87.7 92.7 82.7 82.7 82.7 92.7 GF 45001 51.0 69.3 75.6 92.7 83.9 84.0 84. 894.0 84.0 84.0 44.n 4.0 84.0 R4.0 84.0 44.0 GE 40001 52.2 70.8 77.0 82.1 85.7 85.4 85.4 85.4 95.4 95.4 6.4 89.4 89.4 95.4 45.4 95.4 GE 3'001 54.6 73.6 7?.4 84.9 88.1 R8.2 88.2 88.2 88.2 88.2 84.2 98.2 88.2 P8.2 84.2 86.2 6 E 30001 96.7 76.7 87.9 88.1 91.6 91.7 91.7 91.7 91.7 91.7 91.7 91.7 91.7 qj.7 41.7 91.7 te 2 0o1 57.9 78.9 ",.7 90.9 94.4 94.6 94.6 94.6 94.6 94.6 94.6 94.6 94.6 94.6 94.6 94.6 ue 210 1 54.2 91 87.3 92.6 96.4 96.6 96.6 96.6 96.6 98.6 9.6 96.6 96.6-6.6 96.6 96.6 G[ lo0 1 58.2 72.2 87.1 92.7 96.6 96.7 96.7 96.7 96.7 96.7 96. 7 96.7 96.7 q6.7 96.7 9b.7.E 300 1 9q.7 R0.9 87.8 93.6 97.9 97.9 97.9 97.9 97.9 97.9 97.9 9 97 47.9 9.T9 97.9 97.9 GE 1200u 99.7 41.U 83.0 94.3 98.7 98.8 98 9.8 98. 8 98.8 98A 99.4 98. 98.8 984 96.6 tie l001 I R 1.7 8q.3 94.3 99.1 99.2 99.2 99.2 99.2 Q9.2 99.2 9.2 99.7 99.2 99,2 99.2 G F 001o 5.9.T. 9 7 83.7.. 94.7 99.4 99.6 99.6 99.6 99.6 99.6 99.6 99.6 99.6 99.6 99.6 99.6 GE 4004 58.9 91.7 89.7 94.7 99.6 99.7 99.8 99.8 99.8 99.8 9).8 94.8 99.8 99.8 9.8 9.8 Gf 7001 98.9 81.1 89.7 94.7 99.6 89.7 99.8 99.8 99.9 99.8 99. 8 99.8 99.8 99.8 98.4 99.8 FE 60l 58.9 81.7 8.7 94.7 99.6 99.7 99.9 99.8 99.8 99.8 1.T8 99.9 99.8 9. 8 99.8 99.8 GE 90)1 58.9 81. h.7 94.7 99.6 99.7 99.8 99.8 99.8 99.8 994. p4.8 99.R 99.8 99.8 99.8 6E 4[10 l 99. 41.7 89.7 94.7 99.6 99.7 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 b, TO0 58,9 91.7 89.7 94.7 99.6 99.7 99.9 I00.0 O0.0 103.0 1:.0 130.0 100.0 100.3 I00. 0 I0.O G[ 2001 58.9 81.7 88.7 94.7 99.6 99.7 99.9 100.0 100.0 1o.0 133.0 1o.0 100.0 1u.0 lo0.7 1.0 I F l00 59.9 1.1I 8.7 94.7 99.5 99.7 99.9 100.0 130.0 100.0 1)3.0 100.0 100.0 100.G 100.0 130.0 6E 1 54.9 91.7 84.7 94.7 99- b 99.7 99.9 100.0 130.0 1,03.0 1u,.0 9O.U 103.1 100.0 107.7 103.0......... E... 89... I. IN....T 0......,,...........,.. *....,... I ()T AL N U M FIg P F 09S ER VA T 13N S 9J0
GLOBAL CLIMATOLOGV BRANCP PERCENTAGE FReQUENCY OF OCCURRENCE OF CEILING VERSLS VISIBILITY USAFET AC FRO M eou9ly OBSERVATIONS AIR EATHER SERVICL/MC STATION NUMBER: 722886 SIATION NAME: VAN NUYS CA PEPI00 OF PECORD: 7-86 MONTH: SEP HOUOS(LSTT: 1SjC-IIU3 CCILING VISIBILITT ON STATUTE'MILES IN I GE GE 3E GE GE GE GE GE G E GE EL GE GE GE re F FEET I n 6 5 N 2 112 2 1 112 1 1/4 1 /4 5/8 1/2 5/16 1/4 N0 CEIL 1 57.8 72.9 74.3 75.4 76. 3 76.3 76.1 76.3 76.3 7b.3 76.1 76.3 76.3 76.1 76.3 76.T GE 200001 59.2 74.3 75.R 76.9 77.9 77.8 77.8 77.8 77.8 77.8 77.9 77.8 77.9 77. 7T.9 7.1 GE 18 C00 59.4 74.6 75.0 77.1 78.0 7R.3 78.0 78.0 7R.0 79.0 1.0 78. 8.0 7R b. 79.3 7., GE 160001 59.4 74.6 75.0 77.1 78.0 78.0 78.0 78.0 78.0 78.0 7V.0 7R.O 38.0 78. I 7. To.:: GE 140001 61.4 76.8 79.3 79.4 80.3 80.3 80.3 80.3 80.3 73.3 7.j 8(.3 83.3 40.3 97.3 2. 1 GE 12oOQI 62.4 77.8 73.3 80.4 81.3 81.3 81.3 81.3 81.3 91.3 R1.3 91.3 VI.T 8i.3 11.3 01.3 GE 100001 64.6 79.9 81.7 42.9 83.9 83.9 83.9 83.9 83.9 83.9 1!.9 93.9 R3.9 43*9 q!.9!. GE 91OOl 64.6 79.9 61.7 82.9 83.9 83.9 8 83.9 83.9 83.9 91.9 93.9 83.9 R3.9 03.9 S;.9 GE 8riOI 65. R 0.4 82.2 83.4 84.4 94.4 84.4 84.4 84.4 4.4 90.4 4.4 84.4 44.4 34.0 94., le 70001 65.1 P3.4 82.2 83.4 84.4 84.4 84.4 84.4 84.4 4.4 90.4 4.4 A4.4 94.4 h4.4 08.4 GE 60001 65.2 9O.6 32.3 83.6 84.6 84.6 84.6 84.6 84.6 94.6 9U.6 84.6 84.6 94.5 H4.6 94b GE 50001 66.2 82.1 83.9 85.1 86.1 86. 1 86.1 86.1 86.1 A6.1 96.1 96.1 86.1 6.A 9 6. 1 0.I GE 45001 68.9 85.9 85.8 48.0 89.0 89.0 89.0 89.0 89.0 99.0 89.9 89.0 89.C 99.0 89.0 q4. GE 40001 70.0 P6.1 87.9 89.1 90.1 90. 1 90.1 90.1 90.1 93.1 90.1 90. 90.1 q0.l I 0.1 9;.I GE 35001 72.4 88.6 93.3 91.6 92.6 92.6 92.6 92.6 9.6 92.6 97.6 97.6 92.6 92.6 92.6 92.5 GE 30001 74.2 91.9 97.7 93.9 94.9 95.0 95.1 95. 1 95.1 95.1 90.1 95.1 95.1 Qs. I 90. I 5.1 GE 25001 74.9 92.1 93.9 95.1 96.1 96.2 96.4 96.4 96.4 96.4 96.4 96.4 96.4 96.4 96.4 9t. GE 20001 75.1 92.9 94.7 96.6 97.7 97.8 98.0 98.0 98.0 98.0 9..0 98.0 94.0 98.0 99.3 98.3 GE 1800 1 75.2 41.0 94.8 96.7 97.9 98.0 98.2 98.2 98.2 98.? q..7 94.2 98.2 9F.7 99.2 98.2 GE 1001 75.4 93.2 95.0 97.0 98.3 98.4 98.7 98.7 98.7 98.7 9.7 98.7 98.7 98.7 94.7 6b.7 GE 12001 75.4 93.7 95.4 97.4 98.9 99.D 99.2 99.2 99.2 99.2 89.7 99.2 99.7 99.2 99.2 94..' t.e 10701 75.6 94.0 95.R 97.8 99.3 99.4 99.8 99. 4 99.0 03. 99.3 99.8 99.9 99.4 99.R 99.9 GE 9005 75.6 94.G 95.8 97.8 99.3 99.4 99.8 99.8 99.8 93.8 99.4 99.8 99.8 99.9 99.8 95.8 GE 8001 75.7 94. 1 9S.9 97.9 99.4 99.6 99.9 99.9 99.9 99.9 9Q.9 q9.9 99.9 94.9 Y9.9 3.9 GE 7001 7c.7 94.1 95.9 97.9 99.4 9 99.9 99.9 99.9 99.9 9q.9 99.9 99.9 99.9 99.9 399 GF buo1 75.7 94.1 95.9 97.9 99.4 99.6 99.9 99.9 99.9 99.9 q'.q 99.9 99.9 4.99 99.9 99.9 GE (01 70.7 94.1 9i.9 97.9 99.6 99.7 100.0 100. 0 10.0 Ir0. 0 17l.0 100.0 103.0 10.3 103.0 1D.. GF 4Ln 1. 7 94.1 98.9 97.9 99.s 99.7 100.0 103.0 100.0 103.0 IL7.0 100.0 103.0 100.0 100.0 103J, GE 7UO1 70.7 94.1 95.9 97.9 99.6 99. 7 100.3 100.0 130.0 17o. I107.7I 1)O.0 100.0 100.0 107.0 100.0 GE 2001 70.7.94. 1 98.9 97.9 99.6 99.7 100.0 100.0 I13.O 103.0 139P.0 100.0 103.q 170.0 100.0 107.0 GE 1001 75.7 94.1 95.9 97.9 99.6 99.7 100.0 100.o 130.0 103.0 11o.n I70.0 107.3 102.3 I I0.j 122.0 Ir 01 75.7 )4.1 95.9 97.9 99.6 99,7 100.0 100.0 I0.0 17lO.0 1(19.7 100.0 103.0 Ino. IU0.0 173.0 O........... T...S...........,......... TOTAL NUMBER OF 0PSERVa T 13S: 90 0
GLOdAL CLIMATOLOGY BIRANCF USAFETAC AIR WEAIFER SERVICE/MAC PERCENTAGE FRC2UENLY OF OCCJRRENCE OF CEILING VERSUS VISI3ILITY FOM H00LY OdSLRVAIOONS STA*O.N NUMBER; 12288 oiation NAME: VAN NUYS CA PERIOD OF RECORD: 77-86 MONTH: SEP HOURSILSTI: 1800-2300 CE CI[N 9ISIBILITY 1N SIAIUIE MILES IN GE GE f GE GE DO GE OS GE GE G GE GE GE GL GE FEET I 1J b S 4 3 2 112 2 1 112 1 1/4 1 5/4 5/8 112 5/1 1/4 0............................ o,... o......,..,...................,............,. NO CEIL 64.7 75.0 75.1 77.3 77.3 77.3 77.3 77.3 77.3 77.3 77.3 77.3 77.3 77.3 77.3 77.3 SE 200o0 65.7 76.U 77.1 78.0 78.3 76.3 78.3 70.3 78.3 78.3 7.3 78.3 74.3 7a.3 78.3 78.3 ke1 18000 65.8 76.1 77.2 78.1 78.4 76.4 8.4 78. 4 78.4 78.4 78.4 78.4 78.4 76.4 78.4 78. be 16O 65.6 lb.1 17.2 78.1 78.4 76.4 78.4 78.4 78.4 78.4 79.4 78.4 78.4 78.4 78.4 78.4 (E 14-011 68. 1 79.2 67.2 Pi.1 81.4 81.4 81.4 81. 81.4 81.4 8I.4 81.4 81.4 01.4 81.4 81.4 GE 120001 6q.4 O.4 81.7 82.6 82.9 82.9 82.9 82.9 82.92.9 82.9 A2.9 82.4 82.4 b2.9 82.8 4E 10O01 71.3 R2.7 84.3 84.9 85.7 85.2 85.2 85.2 A5.? 85.2 8.2 85.2 85.2 80.2 5.2 805.2 SE 9(001 71.! 92.7 84.3 84.9 85.2 85.2 85.2 85.Z 85.2 85.2 85.7 85.2 85.2 85.2 8s.2 85.2 E 80001 72. 1 P3.7 05.: 85.9 86.2 86.2 86.2 86.2 86.2 86.2 86.2 86.2 86.2 8b.2 66.2 9b.2 SE 70 01 72.3 84.1 d 5.4 86.3 86.7 86. 7 86.7 86.7 A6.7 86.7 96.7 86. 7 86.7 86. A6.7 86.7.E 60071 72.6 94.3 05.7 86.b 86.9 86.9 86.9 86.9 86.9 86.9 86.9 86.9 86.9 86.9 86.9 86.9 SE 5P001 74.2 8V.2 87.6 88.4 88.8 88.8 88.8 88.8 88.8 88.8 88.8 88.6 88.8 48.8 88.8 88.8 SE 45001 75.6 87.6 b.9 89.8 90.1 90.8 90.1 90.1 90.1 90.1 97.1 93.1 90.1 93.1 90.1 90.1..E 4) J) 76.1 68.1 89.4 90.4 90.8 90.a 90.4 90.8 90.8 90.8 90.0 90.8 90.8 90.8 90.8 90.8 E louiu 78.7 93.2 91.6 92.6 92.9 92.9 92.9 92.9 92.9 92.9 97.9 92.9 92.9 92.9 92.9 92.9 SE 307 n 0. 0 92.3 93.7 94. 7 95. 95.0 95.0 95. 0 95.0 95.0 95.0 95.0 95.0 95.J 95.3 95.0 6 E z252 61.6 qi. 94.7 95.7 96.0 96.0 96.0 96.0 9b.0 96.0 96.0 96.0 96.0 9b.0 96.0 96.0 be 2"f7I 81.3 '4.7 95.1 97.3 97.8 97.8 97.8 97.8 97.8 97.8 91.8 97.8 97.4 97.8 97.8 97.a.F IP00 81. 94.8 95.2 97.6 99.0 98.0 98.0 98.0 08.0 98.0 99.0 98.0 98.0 98.0 98.0 98.0 SE L5 IJ 81.4 94.9 95.3 97.9 98.4 98.4 98.4 98.4 99.4 98.4 98.4 98.4 98.4 98.4 98.4 9b.4 11 L IL 81.6 qs.3 95.8 98.3 98.9 98.9 98.9 98.9 96.9 98.9 99.9 98.9 98.9 9b.9 48.9 96.9 LE l lbi1 81.7 9S.4 95.0 98.4 99.0 99.3 99.1 99.1 99.1 99.1 99.1 99.1 99.1 99.1 99.1 99.1 GE 9 i 81.7 95.6 '87.0 98.b 99.1 94.1 99.2 99.2 99.2 99.2 99.2 99.2 99.2 g9.2 89.2 89.2 S' 0,1o 61.7 95.9 97.2 98.8 99.4 99.4 99.6 4.6 99.6 99.6 99.6 99.6 99.6 99.b 99.6 9.b L C T 7I 81.7 90.9 97.3 98.9 99.6 99.6 99.8 99.8 99.8 99.6 99.8 99.8. 99.8 99.8 99.8 SC 60 81.7 05.9 97. 3 98.9 99.6 99.6 99.8 99.8 99.8 99.A 99.8 99.8 99.8 99.8 99.8 99.8 SE 5 1u 81.7 96.u 97.4 98.3 99.1 99.7 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 CE 8J! 81.7 9b.0 87.4 99.c 99.7 99.7 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 5c 100 81.7 9b.0 97.4 99.3 99.7 99.7 100.0 100.0 130.0 IO.0 100.0 100.0 103.0 100.3 100.0 100.0 SF? ' 81.7 96.U 90.4 99.3 99. 99.7 100.0 100.0 10.0 103.0 100.0 100.0 103.0 100.0 100.3 100.0 (IF IO al.r 96.u 97.4 99.0 99.7 99.7 100.0 100. 0 IJO.0 100.0 100.0 100.0 3 100. 0 10.0 uf 01 81.1 9b. 91.4 99.0 99.7 99.7 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 TOTAL NkEM88E Of OBSERVATIONS: 90
w4 GLOBAL CLIMATOL06Y branach u5aife AC AIR weather SERVICE/MAL PERCENTA5E FEQUENCY OF OCCJRENCE OF CEILING versus VISIBILITY FROM FIOURLY OuSLRVATIONS STATION NUMBER: 7228o6 STATION NAME: VAN NEY CA PLP1OD OF RECORD: 77-86 MONTF: SEP HOLRS(LST: 2100-2300,.. o... o.oo o. o.... o..... o....,.................,,,..........,,oo,,...... CEILING VISIBILITY IN STATUTE MILES IN I GL GE E GE GE G. GE GE GL GE GE GE GE GE GE GE FEET I0 t. 5 4 3 2 1I2 2 1 1/2 1 1/4 1 3/4 5/4 1/2 "/16 1/9 0... o..o o. o...,o....,,,...,. o.....,...,...,....,........ N0 CElL I 1.9 7., 739. 79.j 79.4 79.4 79.4 79.4 79.4 79.4 79.4 79.4 79.4 79.4 79.4 79.4 GE 2U 000 62.3 76.3 75.4 79.4 79.6 79.8 79.8 79.8 79.8 79.8 79.8 79.8 7 9. 8 79.8 79.8 79.8 GE 80b 4o 62.3 73. 74.4 79.4 79.9 79.8 79.8 79.8 79.8 79.8 79.8 79.8 79.8 79.8 79.8 79.8 bl I1)L0 6,2.3 76.3 73.4 79.4 79.8 79.8 79.8 79.8 89.8 79.8 79.8 79.8 79.8 79.8 79.8 79.8 GE 14ro 64.6 79.1,1.2 92.. 82.9 82.V 62.9 82.9 62.9 82.9 82.9 82.9 82.9 82.9 62.9 82.9 IE 12001 6. 1 79.h d1.9 83.2 83. 6 83.6 3.6 83.6 83.6 8T.t 8t., 83.6 83.6 83.6 83.6 8.B. 3f ILur, 66.5 I.1 81.1 84.7 89.2 89.2 b5.2 89. 85.2 65.2 85.Z 85.2 85.2 85.2 85.2 s5.2 te 9"0 66.5 1. I 83.3 84.7 85.2 85 2 85. 89.2 b5.2 85.2 85.2 5.2 85.2 85.2 85.2 65.2 GE 8950c4 67. 2,1 89.3 85.7 86.1 86.1 86..1 86. 86.1 66.! 86.1 8b.1 86.1 86.1 8b.1 i 7 'u0t 67.E P2.(,4.9 86. 3 86.7 66.7 86.7 86.7 66.7 86 7 66.7 86.7 86.7 86.7 86.7 86.7 bu 00llj 6 7.f 82.1 89.9 86.4 86.8 96.6 86.8 86.8 86.8 86.6 n6., 86.8 86.8 8b.8 86.8 8b.8 GE 5 1. 48.3 S.1 o.,5 7.3 87.7 7.7.7 71 87.7 87.7 87.7 47.7 87.7 87.7 87.7 87.7 87.7 ue 4'9 1 b9.6 b3,. 87.5 88.j B8. 88.0 88.0 ba.0 p8.0 89.0 88.3 88.0 88.2 88.0 98.0 51 f 4 [,1 6.9 1,4, ui.1 89.8 89.2 89.2 89.2 89.2 89.2 89.2 89.2 89.2 89.2 89.2 89.2 89.2 IF 3SL- 7..7 p5. I 9.I 1 89.6 90.1 ' 3.1 90.1 90. 1 90. 1 90.1 90.I 90. 93.1 90.1 90.1 90.1 GE I 14 7'. 1 1.. ')7.2 91.8 92.3 92.3 92.3 92.3 92.3 92.1 92.3 92.3 92.3 92.3 92.3 92.3 2I 5.c1 7;?. 1 91., 1. 92.2 92.6 v2.6 92.6 92. b 92.6 92.6 92.6 92.6 92.6 92.6 92.6 92,.6 G1 2"-]G1 73. 9 1.6 93.9 94.7 95.1 99.1 95.I 99.1 9.1. 9.1 95.1 95.1 95.1 95.1 95.1 95.1,It 11L10 79.1 91.15 1.7 95.5 95.9 95.9 95.9 95. 9 99.9 959.9 9 9.9 95.9 95.9 95.9 95.9 95.9 'E 1501n 79.9 94.I.1 96.2 96.6 96. 96,6 96.b 96.6 96.6 96.6 96.6 96.6 qbb 96.6 9b.6 ' F i' '4l 7.9 14 2.;. 9.4 9b.9 97.3 97.3 97.3 97.3 97.3 97. 3 97. 97.3 97.1 97.3 97.3 97.3 bl 1-1,1 74.6 50.1 5.? 97.2 97.6 97.6 97.6 97.6 97.6 97.6 97.6 97.6 97.6 97.6 97.6 97.6 t7 9,2 1 74.6 Y2.1., 91. 97.b 97.6 97.6 97.t, 97.6 97.6 97.6 97.6 97.6 97.6 97.6 97.6 if PUDj 79.6. 2, '4.4 97.9 98.5 98.5 989. 98. 98.5 98.9 98.9 98.9 98.5 98.5 98.9 98b (IF 7 1)4 79.f '..4 gv,. 9.0 98.6 96.6 98.7 98.7 96.7 98.7 99.7 98.7 98.7 95,7 98.7 98.7 I.E 4(,,( 74.6 96.. 4.5 98. 98.9 98.9 99.2 99.2 99.2 99.2 99.2 99.2 99.2 99.2 99.2 99.2 IE '{}I 719. 92.. 9z 4 98.3 99.1. r 9 9 99.7 99.6 99.6 99.b 99.6 99.6 99.6 99.b 99.6 99.6, 4j-) 74.8,i. E 98.5 99.? 99. 2 99.4 99.7 99.7 99.7 99.7 99.7 99.7 99.7 99.7 99.7 F,1 711 74.6 '2.h i.6 98.1b 99.1 99.1 99.7 10). 0 130.0 1031.3 1U01) 100.0 100.0 108.3 100.0 100.0 If.,-" I 74.1.2,.. 98.b.9. 99.3 99.7 100. 0 152.0 173. 1O.0 110.0 100.0 100.0 100.7 10T.0.t I,I l 74.1, ",2.. L 98.b 99.1 99. 99.7 1o0.4 jo.0 173.0 137.(} 100.0 101.0 102.J 100.0 100 J -)I 714.t 02. 1.9 98.6 99. 1 99. 99.7 Iu0. 0 1LI.0 190. 0 100.3 100.0 103.0 10.3 100.0 100.0 TO........ 8...0.697881130,:..7,4.....,,,............,....... *o...,,..,,,....., TOTLt %UmPIR OF UbSf IVA II, 71 4
LOBAL CLIMAICLOUY.1kANCH PLHCENTAGE FR-QU[C4 Y OF OCCJRQENCE OF C1 ILINE, VERSuS VISIBILITY USAFETAC FROM I'OU4LY OdStRAATIONS AIR.[ATHER SCRVICL/MAL STATION NUMJLR : 7228b6 STATION NAME: VAN NUOYS CA PERIOD OF RECORD. 77-86 M0NTE: SEP OUIRS LSTI: ALL CIL INS 31S181 ITY IN STATUTr MILLS'' 1N GE LE se GE GE G- GE 6 GE GE SE G[ GE GE GE GE FELT I 15 4 3, 1I2 2 1 1/2 1 1/ 4 1 1/4,/8 1/2 1/16 1/4 0..,o... o... o,..... o...,,,...o................................. NO CEIL I4.b b I.4 64.9 67.4 70.1 79.1 70.3 70.4 70.4 70.5 70.5 70.5 73.5 70.5 70.5 70.5 LE.6001 49.5 b2. 3 b56.8 68.31 71.1 11.1 71.4 71.4 7.4 71.5 71.5 71.5 71.5 11.5 71.5 71.5 LE 183001 49.6 62.4 65,.9 68.4 71.2 71.2 71.4 71.5 71.5 71.S 71.5 71.5 71.5 71.S 71.5 71.5 Ur jo8 00I 49.6 62.4 bs.9 68.4 71.2 11.2 71.4 71.5 71.5 71.5 71.5 71.5 71.5 71.5 71.5 71.5 GE 14100l 51.5 64.7 63.4 73.9 73.3 73.8 74.0 74.1 74.1 74.1 74.1 74.1 74.1 74.1 34.1 74.1 1,E 12100 62.2 L6.6 b?.4 71.9 74.8 74.9 75.1 75.2 7S.2 75.2 7.2 75.2 75.2 75.2 75.2 75.2 UE 1WOD 0 53.9 67.4 71.3 74. 77.0 77. 0 77.3 77.3 77.3 77.4 77.4 77.4 77.4 77.4 77.4 77.4 SE 9COO 63.9 67.4 71.3 74.0 77.0 77.0 77.3 77.3 77.3 77.4 77.4 77.4 77. 4 77.4 77.4 77.4 UE 87P3O 74.6 68.1 77-1 74.8 77.7 77.8 78.0 76.1 78.1 78.1 78.1 73.1 74.1 78.1 7.b. U i 77O7 54.6 b.3 77.2 75.0 77.9 7b, 0 78.2 78. 3 78.3 79.3 78..3 738 7B.3 79.3 78.3 Le b DO1 54. 68.E 72.5 75.2 78.2 76.2 78.4 78.5 78.5 78.6 78.6 78.6 78.6 76.6 78.6 78.6 E 0U0 1 55.7 9.6 73.b 7b.3 79.3 79.4 79.6 79.7 79.7 79.7 79.7 79.7 79.7 79.7 79.7 79.7 LE 4 Do 1 56-9 71.0 14.9 77.7 80.7 do.7 80.9 81.0 81.0 81.0 81.0 81.0 81.0 81.0 81.0 31.0 1E 4C01 57.6 71.6 7a.7 73.5 81. 81.5 b1.7 81.8 81.8 81. 8 81.3 81.8 31.8 81.8 81.8 be 35O6 1 59.1 73.4 77.4 80.1 83.1 83.2 83.4 83.5 63.5 P3.5 83.5 83.5 83.5 3. 5 83.5 83.5 61 3T000 61.0 75.7 1.7 82.5 85.5 85.6 85.8 85.9 b6.9 85.9 85.9 85.9 85.9 85.9 85.9 85.9 se 26,0 61.9 77.3 d.4 84.3 87.3 87.4 87.6 87.7 87.7 87.7 87.7 87,7 87.7 37.7 67.7 87.7 ( I 06L0 t2. 9 78. 8. -6 86.8 90.1 90.1 90.4 90.s 93.5 Q3.5 90.5 90.5 90.5 90.5 90.5 90.5 GF 18F 001 62.9 79.5 B4.3 87.3 90.8 90.9 91.2 91.2 91.2 91.3 91.3 91.3 91.3 91.3 91.3 91.3 6E I 1, LO I 63.2 83J.3 a6. 88.8 92.6 92.7 93.L) 93.30 93.0 93.1 93.1 93.1 93.1 93.1 g3.1 93.1 te c 12 1,1 63. 31.0 8,.9 93.0 94.2 94.4 94.7 94.8 94.8 94.8 94.8 94.8 94.8 94.8 94.8 94.8 SE ITOO1 6 3.7 81.4 86.4 93.6 95.3 95. 6 96.0 96.1 96.1 96.2 96.2 96.2 96.2 96.2 9b2 v6.2 SE 9001 b.7 81.5 d.6 90.8 95.6 b.0 96.5 96.6 96.6 96.7 96.7 96.7 96.7 9b.7 96.7 96.7 (E 8 L,3 6I.7 91.6 85.8 91.1 96.2 96.b 97.4 97.6 97.6 97.6 97.6 97.6 97.6 97.6 97.6 97.b i E 7CTI 63.7 81.7 8.9 91.0 96.4 9b.9 98.0 98.3 98.3 98.4 98.4 98.4 98.4 98.4 98.4 98.4 GF t601 67.7 91.7 d6.9 91.3 96.S 97.0 98.2 98.6 98.6 98.7 98. 7 98.7 98.1 98.7 98.7 9.7 U E ",0I.3.7 1.8 d7.3 91.5 96.7 97.3 98. 99. U 49.0 99.2 99.2 99.2 99.2 99.2 99.2 99.z GE 42 1 60.7 H1.I 87.3 91.5 96.7 97.3 98.b 99.1 99.1 99.4 Y9.4 99.4 99.4 99.4 99.4 99.4 6.E - UI 1,3.7 81.h a7.3 91.5 96.M 97.3 98.6 99.3 99.3 99.7 99.7 99.7 99.7 99.7 99.7 99.7 GE 2001 61. 7 81.6 b T7.] 91.5 96.8 97.3 98.6 99.3 99,0 99.7 99.7 99.7 99.7 9.7 99.8 99.8 (IE 1001 63.7 81.8 87.3 91.5 96.8 97.3 98.6 99.3 y9 3 9.7 99.7 99.7 99.8 99.8 99.9 99.9 E 05 6 3.7 87.8 81.3 97.5 9b. 97.3 98.6 99.3 99.3 99.7 99.7 99.7 99.8 99. 99.9 1CO.0 S..,..,................................,,...........................,...,,.................. *........... TOTAL NUMBER O F 06SE3VA(IINS: 5419 41a.-
G,0 ULAVAL CLIMATOLJOY,RACF USAFETAC AIR ;EATFER SERAICE/RAC PERCENTAGE FR-QUENCY OF OCCJRRLNCE OF CEILIN. VERSUS VISIbILITY FROM HOU4LY T8SERVATIONS STATION NUM:LQ: 72296E STATION NAME: VAN NUVS CA PLIOU OF RECORO: 77-8b 6ONIH: OCt 8OURSILSTI: 0100-0503 CE ilin. VISIBIL IT Y I N STATUTE MILES IN I GE 5E E 5 E SE GE GE 0 G L GE GE GE SE GE GE GE FELT 1. L 5 5 2 1/2 2 I 11/2 1 1/4 1 1/4 5/8 1/2 1/1 1/4 0,,,...,,...,...,,,.,oo.,,,.,...,.,.,,,........,,..... o...,,,,,........,........... NO CIL 1 46.2 '.9 65.0 67.0 70.1 70.1 71.6 71.u 01.6 72.1 72.1 72.1 72.1 72.1 72.1 72.1! L'20001 46.7 59.9 b.j 68.U 71.1 71.1 72.6 72.6 72.6 70.1 7.1 73.1 73. 13.1 73.1 73.1 ue 1b 0 46.7 59.9 65.0 68.U 71.1 11.1 72.6 72. 6 72.6 73. 1 7.1 7.1 73.2 73.1 73.1 73.1 be 160001 46.7 14.9 6.. 6B.0 71.1 71. 72.6 72.6 72.t 73.1 73.1 73.1 73.1 73.1 73.1 73. te 140Jd 67.2 6Z.4 65.5 66.5 71.6 71.6 73.6 73.6 73.6 74.1 74.1 74.1 74.1 74.1 74.1 74.I be 12001 47.2 65.4 65.5 66.5 71.6 71. 10.6 73.I6 73.6 74.1 74.1 74 l 74.1 74.1 74.1 74.0 U f ILXGO 48.2 62.4 63.5 71.1 74.1 74.1 76.1 76.1 76.1 7bb 76.6 76.6 76.6 76.6 76.6 76.b GE 90GO1 4.2 62.4 13.5 71.1 74.1 74. 1 76.1 76.1 76.I 76.b 76.6 76.b 76.6 7o.6 76.6 7b.6 be 8000 48.2 C2.9 6?.0 71.6 74.6 74.6 76.6 76.6 76.6 77. 77.2 77.2 77.2 77.2 772 77.2 ue 10dL1 48.2 62.6 63.0 71.6 74.6 74. 6 7.6 76.b 76.6 77.2 77.7 77.2 77.2 77.2 77.2 77.2 I.F 610L0 4P.2 62.9 60.0 71. 6 74.6 74 6 76.6 76.6 76.6 77.2 77.2 77.2 77.2 772 77.2 77.2.E so lr 48.7 64., 73.1 72.6 75.6 75.6 77.7 7. 7 7.1 73.2 79.7 18.2 78.2 78.Z 78.2 06.2,E 45201 49.2 64.5 77.6 73.1 76.1 76.1 78.2 7.2 78.2 78.7 78.7 78.7 78.7 78.7 78.7 78.7 uc 40001 4.2 64. 71.1 73.6 76.6 76.6 78.7 78.7 78.7 79.2 79.2 79. 2 797 79.2 79.2 79.2 CT 3UOj 1 49.2 64.5 71.1 70.6 76.6 76.6 78. 7 78.7 78.7 79.2 79,2 79.2 79.2 79.2 79.2 79.2 E S100 49.2 66,.L 735.6 7b.1 79. 2 4.2 6I.2 81.2 41.2 87 61.7 81.7 81. 91.7 61.7 81.7 ul 2r i 49.2 67., 74.6 77.2 80.2 8O 2 82. 2 82.2 82.2 82.7 87.7 82.7 82.7 82.7 82.7 82.1 (E 2002) 49.2 b9. 73.6 76.7 82.7 82.2 84.0 84.0 84. 0 84 84.8 84.8 84.g 84.8 d4.8 4k.8.E Ilidl 49.7 69.c 76.6 79.7 83.2 83.2 85.3 85.3 85.0 85.8 88.8 85.8 85.8 85.b 85.8 85.6 ut Io I s0.8 7.1 73.7 82.7 86.0 46.0 88.3 88.0 88.1 86.8 88.8 88.8 88.8 88.8 d8.8 86.8 be 12jo1 50.3 72.1 71.7 82.2 86.8 d6.8 88.8 88.8 68.8 89.3 89.3 89. 89. 84.0 8. 9.3 ut l33 L I 1. 0.A 71.1 l.2 83.8 88.0 86.3 90.4 90 4 90.4 90.9 90.9 90.9 80.9 90.9 90.9 90.9,f I L9 s.t.f 71.1 b1.2 8.6 88.0 88.3 90.4 90. 4 90.4 93.9 90.9 90.9 91.4 1.4 91.4 91.4 GE m0 s0.9 71.I b.7 8.38 88.0 7B.3 91.4 91.9 91.9 92.4 92.4 92.4 92.8 92.9 92.9 92,9 UE 7 il 1.8 71.1 b7 84.J 88.A o8.8 91.9 92.4 92. 92.9 92.9 92.9 93.4 93.4 93.4 93.4 ue n0n1 8 71.1 b.7 84.0 88.8 8. 8 91.9 92.4 92.4 92.9 )2.9 92.9 93.4 93.4 93.4 93.4 (I ' ) f.. R 711.1 67.1 84.3 B8. b.8 92.4 92.9 92.9 93.4 93.4 93.4 93.9 93.9 93.9 93.9 G E L91 10. 1 1 6-,I b1.7 84.3 88.4 88.B 92.4 92.9 92.9 '3.9 3.9 90.9 94.4 94.4 944 94.4 E '1U1 51.8 71.I b.7 4.3 88.8 68.8 92.4 93.4 93.4 95.4 98.4 95.4 95.9 95.9 96.4 6.4.E 2001 5,1.8 11I b.7 84. 0 68.8 8.6 92.4 93.4 93.4 85.4 9.4 95.4 96.4 96.4 97.0 97.5 ue 171!)) f., 71.1 b.7 84.3 88. b a 8 92.4 93.4 3.4 95.9 95.9 95.9 q7.0 97. 98.0 9.5 L0 01 5(f.8 11. I 3.7 84.3 88.8 88.8 92.4 93.4 93.4 95.9 97.9 95.9 97.0 97,0 48.0 10.0... F.. 13..:.O...,..........F8...A.....1.....1...1........41....... TOTAL NUMBER Of OHSFRVATIJNS: I y7
GLOBAL CLIM AIOLLY R At.CF PEdCENTAGE F-.JULNCY Of OCCEIRENL OF CEILINo versub VISIBILITY LSAFETAC FROM HOU4LY OBSLVATIONS AI weather TRVIC/MAC STATION NUMHLR: 722966 STATION NAME; VAN NUY1 CA PEQIO OF RECaRD: 77-A6 MONi,: OCT HOURsILSTT: 3600-0900 C...L "....V IS E..L...'...'..Lf:;... CE ILING, ATS I 1IEIT I I N ST A TUT f M ILLFS 5 IN I GE GL c GE GE 6: G G 6 GL E L G E GE GE GE GE FELT I 30 t 5 4 5 2 1/2 2 1 112 1 1/4 1/ 4 5/8 112 5/lb 1/4 0.,,.......,.......,,.....o,....,.o.,...................,,..,.. NO (EI I.,2.3 S5.7 58.3 61.0 61.9 62'.7 63.3 63.3 61.7 '1. H 63.8 63.9 63.' 64.0 64.0 "L 23UO1 46. 7 '3.0 3.5 63.2 63.5 63.8 64.7 N5.3 65.3 N5.6 65.0 65.6 b5.9 65.9 bb.0 66.0.E llao[l 4b.' Sj.0 59.5 63.2 63.5 63.0 64.7 65.3 S.3 65.6 b. H 65.8 65.9 65.9 b6.0 6.0 GE I16 "0 4f.5 '3.9 5.5 Nj. NT.5 3.a 6N.7 65.3 b5.3 65. 65.0 a 05.8 65.9 65.9 66.0 6b. D GE 4 c0 47.5 '. ti.6 62.3 65.6 66.L 66.A 67.5 61.5 67.A 67., 67.9 68.1 NO.1 4.2 68. A I202Li 41.' S I 3.0 62.) 65.6 b.2 NN.8 6 7.5 7.5 57.9 67.9 N7.4 60.1 A.1 08.2 6.2 GE L3ItuOI 49.? ' t.i (4.9 64.4 67.9 ub.3 69.3 70.2 12.2 73.u 70.7 70.7 70.8 73.8 73.9 70.9 *t 6I. 64.4 (7.o 6H.3 69.3 70.2 70.2 70.u 7.7 70.7 73.8 70.8 70a.9 70.9 ce 9-> 2 4q.2 0 i At )'1 I 49.7 o.5 t 11.6 65.2 6.7 69.3 70.3 71.u 31.0 71.3 71.4 71.4 TI.6 71.0 71.7 71.7 6 17 j:}i 4 Y.,9 9.3 63.0 65.4 68.9 69. 1 70.2 71.2 TI. I la.l 71.7 71.7 71.8 71.b 71.9 71. o "' 35. 0 ',. 64.3 65.6 69.1 b9.5 1135 71.4 71.0 7.b 1.9 71.9 72.0 72.0 72.1 72.1 SC 1 4 t 6. 1 04.9 66.5 70.0 71G.4 71.3 32.3 72.3 72.b 72.4 72.8 72.9 72.9 73.0 73.0 601 52.7 l 33.! 1..1 66.1 7.2 70.6 71.6 72.5 72.5 72.9 71. 73.0 73.1 73.1 73.2 73.2 L-) 5.7 I si.3, o,.1 60.1 7.4 70.7 11.7 72.6 72.6 73.u 7,.3 73.1 73.2 73.2 73.3 73.3 ti.. b< 12.3 6'.. 66. b 3I2). 6 Tu.4 3 1.9 72.49 7 2.9 73.2 13T.1 7 3.3 713.4 7 3.4 713.5 73.5 3' <I I.' t.,1., 60.9 6d.6 72.5 72.9 73.9 74.8 74.8 75.2 75.3 75.3 75.4 75.4 75.5 7r.5 I. b2. 6 3.1 73.3 74.2 74.0 75.7 76.7 76.7 77.0 77.1 77.1 77.2 77.2 77.4 77..4 I.. '.I 1.9 72.6 37.2 77.7 78.8 79.8 39.0 43.1 [O.? 80.2 80.3 8J.3 k0.4 00.4 di 19112 '1.3 t 5.2 1.1 73.0 77.6 7b. 79.3 80. 3 80.3 83.t 89.7 00.7 80.9 92.9 91.0 81-U ',3 I 53.3 t-3 30.4 P1.5 74.6 80.3 8'3.6 02.4 8.4 b3.4 43.7 81.8 8.8 83.9 93.9 d4.3 84.3 I'I. 7 3.3 14.4 1.J 83.13 9 9 86.0 87.0 01.0 97.4 87.0 47.5 87.6 F7.6 a 77 87.7 ul I '1.3 I I 3..1 84.0 85.2 87.4 86.4 88.4 99.a s 8.y 88.9 9.1 89.1 89.2 69.2 r, 1 1 1 t I I I li. 38.1 84.7 05.3 87.5 09.7 84.8 '9.t 8.3 89 7. 89.0 09.9 09.9 69. 9 I '(( '.9 'L.q 7. lb.6 8. 05.9 88.4 90U.0 v0.2 91.!. 91.1 91.1 91.2 91.2 91.4 91.4 I I, o.i.i. 78.6 8.2 bo.? 88.6 9.4 90.5 91. ' '.. 92.0 92.1 9z. 92.2 92.2 1,1 1 ' 1 79.7.'.a 65.1 0b. I d9.2 91.2 93.3 92.6 Y2.7 92.7 92.08 92.3 92.9 92.9 L. L w A th. 9. 2. 7h..3 d5.4 86.3 09.5 91.7 91.9 91.5 9.7 93.7 93.0 93.d 93.9 93.9 f 4 Ll. P t I. 1 7 78.8 85.4 bb.3 b9.5 91.7 41.9 9 1 94.15 94.0 94.1.94. 04.2 94.2 It'll ', t b., 132. 70.b 85.4 96.3 89.6 91.9 92.2 94.' 9.5 95.5 95.8 95.a 96.3 9b.0 St,. I3.I 7d.9 05.5 91.4 89.7 92.0 9?.3 94.I 4.. 95.0 9.4 96.4 96.5 96.5 13 3 6 LoU 3.3 70.9 65.6 ob.4 09.7 92. 1 92.5 5.I OT.1 96.3 97.3 91.4 97.8 90.0 Ci 36.2 b.'. 3d.9 85.f 06.4 89.7 92.1 92.s 95.1 06.5 96.3 97.4 97.0 90.0 100.0.........................,.......................................................,.,.,............................, Id1AL NUMI 0iP (F GOSI RVAfIJNS : 314 a--.
.LI)AL CLIMAI(L..9 LA Nh PEHCLNTAE Fi-WUENCY OF 0CCJWOENoLE OF C F INL uskl VISIb6IL ITY U SAFLTA FROM k 0L L Y t PV A TIONS A I R 3IAT SLWILL/MAC 7 1 ITATLON NU'Itt : b7 h ' AT 1ON NA4 E: VAN UYS CA P[R10U OF RECOR: -6t M2lrH: OCT HOURSILSII: S9..-1133...............,.....,........ 1LT, I... L........................................... 214.74. V]SIB161T 3 IN 01ATU [ MILLS IN I E OE G E GE G fe be.1 t 7 E4 5t -N OG FLL I 1" 4 3 2 1/2 2 1 1/2 1 1/4 1 3/4 b5/ 1'? I 1/ 2 NJ CLIIL 4.6, 479, 14,z 57.1 63.2 C,4. b5.6 6o.2 06.6 61.11'.1 32.11 61.1 ti ol.i 1.; L 4 u,1 173U32 L 41.2 43.2 71.3 61.3 61.3 6. 61.3 66.1 o6.1 69.8 60.8 73,t. 7:.6 /2.8 I'.8 11.3 71.3 l*. l.3 11.3 71.1 11.1 37.1 11.3 u.s 13.3 11.3 11.3 OF 14211 4 2, 61.3 67.3 66.1 69.4 13.6 S.} 71. 11.5 11.3?i 11.3 11.1 'Nt ',.7 1312.) ]{ 41. '1 3. 112 4 65.9 72.6 13.3 15.1 /0.4 b [J 1u.1 161 {.t p6.6 30.1 111. ls.~. " 011 40.'I.1. 23','', 4 60. 73., 13.1 32.6 24 7 1 0.3],t, f~?b11 6. b 35 lt<. t,, 't~ I1 2'o 41.1 1 41 o/ 66. 72.7 73.4 70.2 7,.3 36.1 10.1 14.1 16.7 1.7 i 'Tb. p 1 I 7 11. 3317 41.~:; 71 2,5 66.1 72.8 13.b 10. 16.1 0.4 I 8 715.8 34.4.b 111.9..4r up 3.7 41.11 '4.3 {, 66.9 73.,5 74.3j 76.3 76.4 1.3 U7,S 11.2 37.2 13.', 'I.* II.', ; 4,'. [: I 47.3 '.. 11-.4 68.1 34.1 11.0 11.2 77.1 19.2 IB. 1 1.1 1..? 17.1 '., 2 -. I b.i 43. d.i 4 '.2 4.0 68.3 15.2 15.4 71.6 78.5 /8.6 1.1 l7.1 t..1 7.,; O I U' 4'. 1,.4 11.0 69.2 16.1 2 : 11.6 3 78.8 1 t, It. -2.7 b. I t 1 4. 1. u4 9 3. 78 42. 744 0. 2. 3 ' 1 14 '. 1 11. 7 " 1 1 3 41 9 I 1. 1.3 '11 " ~.., '1'.3 72.2 72 13.0 81.7 62.6 9,. 93. ' t"., 67."'1., b1.2 ',. 1 '37 ' '.1., 11<, 1 8 73. 41... 64 S 2 4D. u 72.4 I 1 s I 91. '1.... 1.27 '4". 2 1 ki.9'. 474 7.3 027 42. 76 7.4 4 716 44 1 3. 91. 441 1 4~ It9.. '7 5. 62.1 747. 7-21 47 74. 1 I 4... 4. '97 4.. 21f.7.. 72.'. 31.2 ' 342.4 81.9 92.6 84.4 82.'. 80. 3t.0 W4.4 80.4} "4, u,. #. ~ ~ ~ ~ 6 1.-I 3).. 13 '. 422 7.1 9.1 78. 12 '18.. ' 4.6 4.1 >. 41 4. 44 4, 8. ' 3.b.? 4 3J, 4. 9. 4.4 4 7. 7. 81. 3. 82. 7d~ 41. b.. 9s~ ',83.2 4 9.1 1 444 J~ 91. 4q.4... 30386.733311',.4. u'3191111... 439:. 82... 41I 247 41... 2.......2.. 9........ i'........................ -2 9 9 1-
u A I I'.. C/~'.4. o-a -',. A 14. 41F W I I a L V4 Y2,, q8.' k4 V1S.48. I7.'oN I N 74U el -4t, 1'; 0C I H' DURS ( L : 2S -l627...................,............................................................................,. I..... f I y,.. 2/ 50 u. Lt 1, 51,7 66 L( 4/i j *,& 4. 1/.' 1 1 / 'Jr ti0 1I2 /1, 1/146........................................................... I..............................*.., Cr', 1 I. ''. 4.,', I. II f. 11.1 7 7., /1.7 71.7 71. 71.7 7.17 L.2 1,4 14, /4. e1lb 7r. 7 n. - S.7 7 7t.? 6.1 7 76,1 t. 1 4/,'...I, 74 4. IL.f,6 b. 7. 1 76. 1 6 7 16-7 7 7 17. t.1 (I.4 ' tit 71.4 7.2 1 Ib. I.b t,.? r. / 71,77 16.1 16.1 7b.1 I.7,,2 1F t.4% 4. '. " 74.1 p 1. '. b..-.b. f. b V. b 6 S' i' +.+ "',. L+./ '1.>; v"+ "17.'. /2. c I+,. 0.+J -', h3.a 6'i.4 83.6 eo.8 8,.8,' + +.. ' i 0. 77,', 4..+ 'I., i.4.. *? 6Z.+ 92.6 s2.6 62.6 82.6 8,.6 4 2./ S,,. / 77l S+..4 '1... I 4,,.! '.? 62.+ +:?.1 -.a a2.6 82.6 2.6 6>.6, 1. t. c'. t,,*- 1.,, 4.2 l~ qo,'7 83. '.. 87,1 63.) +/.1 37.1 6,.!,, ',, 62.. 1 i.5 '." 81.7 4'.) "1.3, 7 81.3 1* 7.3 63.7 3.3.' - /.','.. a. +* 1.4 40,.7 6"., t',. 9% +.? 4..1 68.1 65.7 65.1 66.7 6b-7 S,+,,. 2'.. 4'., ".7. 61.0 67.1 + 47.7 '.' 4 4 1.4 87. 1.4 4 81. 61. -1. 1.4 4".) 6 7 -t, 04, 7 4'6./ 74.7 64.7 64.7 84.7 44.1 /6.? ",,4., '. 44.' 44.2 94.5 '44. 44. '44.6 84.6 44.65b 9.S 44 5 '2-. ' '. 6....' 7.~ 1 6.. '47 7'. '667 67.4 746.14 E. 4' '11.., 7',.. Il s, +8.8 /4-4, 4/.6 94 48.4 96.9 q8. 46.9 9.4 7 8.697 89 "4., 56.1 '..8 48.1 64,,.t99 '.. 9/.1 '9.1 '1.1.1 94.1 49.1 94.1 7. '7. '.,.2 9....,+.6 9.1 Y9 99.1 99.1,7 9q.7 96.1 1 1 ' 4.7.? 'I4. 9. 10 '42. 9. '4b IV. ' 41.. q 99 9.7 9.17 99.79 6. I., 11 +I - ;, 9 6, ". t, 1 99. 7+ 7 y 9, 99 99. 7 99. 7 9 9. 7 9.I '4 1.7 7 44 y.4 9'. 7 9. 99 g. 8.9.8 4. 94 9.8 49..6 '/9.4 '4'. '. ",. "".1 44..' L h t7.s.46.4 94.? )9,7. 9?. 9 999. 8.8 99. 9Q.6 96.' I I" '1 I.69. S 9441 99/..9 9996. 994 9 9.9 q9.9 "9.9 V.,4. 1. 9. 48.4 9.. 467 914. Q 4.4. 9 4. 89. ' 4.4 9 9. b'., -. j4* 99* 5/ t 3g+.y.*J (" I)t, '7.[ UQ C J (. 0 J jt. J I O C,. J..., I. t ' r.' ",. '46.' 1 99 44r '. 9 1 3 0 10. 0 10. G 13 7. ) i i) 10.0 I... ". 4 '7 : A 4.9'. q.9 4/v 10. 37. 18. I 13. 102..1 ' 42' ', ',y.. '4+4 '4.4. 14.. 99.6 9.9 49., 1'i.. C00,1 6230.0 JD 107.7 4027.3 1 ' '... 1' ++.- '. I4.6.' t 9., 94, 99 o1'.,2 1 1? 13.0. 3 33 (2.3 j,., H '.H, 4.4' 7t.,, 91.3 99.5 9'4. 99.o 1''1U C I [1 133,- 7713 i.2 I. '. S............... 6... 6........... 1....... 3.]....... '7 44 5 /4F 4 d1u 3 'f 471,ll
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GLOBAL CLIMATOLOGY branct- USAFETAC AIR WEATHER SE8VICL/MAC PERCENTAGE FRUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITY FROM HOULY O8SLRVATIONS STATION NUMBLR: 722886 STATION NAME: VA4 NUYS CA PERIO0 OF RECORD: 77-8 MONTH: OCT HOURSILST): 1500-1700 CEILING... 1V3S0BILITN STATUTE MILES IN I GL GE 3E L G GE Gr GE Gr GL GE OL GE GL GE GE GE FEET 10 6 S 4 3 2 112 2 1 1/2 1 1/4 1 3/4 518 1/2 5/lb 1/4 0 NO CEIL S0.S 61.6 b4.6 66.9 71.7 71.7 72.8 72.8 72.8 72.8 72.8 72.8 72.8 72.8 72.8 72.8 GE ZOO 54.9 67.6 71. D 73.3 7R.2 78.3 79.4 79.7 19.7 79.7 79.7 79.7 79.7 79.7 79.7 79.7 GE 190001 54.9 67.b 71.0 73.3 78.2 78.3 79.4 79.7 79.7 79.7 79.7 79. 7 79-7 79.7 79.7 79.7.E 160001,4.9 67.6 11.0 73.3 78.z 78.1 79.8 79.7 19.7 79.7 79.7 79.7 79.7 79.7 79.7 79.7 GE 140001 58.0 71.0 74.6 77.0 82.2 82.3 83.4 83.8 83.8 83.8 83.8 83.8 83.8 83.8 83.8 83.8 L 12000 58.3 71.5 75.2 77.5 82.7 6 2.B 84.0 84. 3 84 3 84.3 84.3 84.3 84.3 84.3 84.3 84.3 & E 1GO0 S9.4 73.1 77.1 79.5 84.7 84.8 86.0 86.3 86.3 86.3 86.1 86.3 86.3 86.3 86.3 E6.3 ue 9 G01 S9.4 13.1 77.1 79.5 84.7 84.8 86.0 86.3 86.3 86.3 86.3 86.3 86.3 86.3 86.3 8b.3 G E 8300 59.5 7.3 j 71.3 79.7 84.9 95.1 86.2 86.6 86.6 86.6 86.6 86.6 86.6 86.6 86.6 86.b GE 77001 59., 73.4 77.5 79.9 8S.? 85.3 86.5 86.8 86.8 86.8 86.8 86.8 86.8 86.8 86.8 8b.8 GE f0301 59.8 73.8 77.8 83.2 85.5 85.6 86.8 87.1 17.1 R7.1 87.1 87.1 87.1 87.1 87.1 87.1 GE 5r0 6 1.4 75.7 79.8 82.2 87.4 87.5 88.7 89.0 89.0 89.0 89.0 89.0 89.0 89.0 89.0 89.0 GE 465,0 62.0 76.3 83.4 82.8 88.2 88.3 89.5 89.8 89.8 89.8 89.8 89.8 89.8 89.8 89.8 89.8 6C 41001 64.- 76.7 62.b 85.2 90.5 90.6 91.8 92.2 92.2 92.2 92.2 92.2 92.2 92.2 92.2 92.2 GE 35001 65.1 79.1 83.6 8b.1 91.o 91.7 92.9 93.2 93.2 93.2 93.2 93.2 93.2 93.2 93.2 93.2 GE 3001 67.1 92.b.5.8 89.5 95.1 95.2 96.3 96.7 96.7 96.7 96.7 96.7 96.7 96.7 96.7 96.7 LF 2, CO 67.5 83.3 87.6 93.3 96.1 96.2 97.4 97.7 97.7 97.7 97.7 97.7 97.7 97.7 97.7 97.7 GE 2GU0 b8.3 H4.2 i.5 91.2 97.1 97.2 98.4 98.7 98.7 98.7 98.7 98.7 98.7 98.7 98.7 98.7 GE 18JO1 68.7 44.3 64.6 91.3 97.2 97.3 98.5 98.8 99.8 98 9.8 98.8 98.8 98.8 98.8 98.8 GE 15S00 64.3 84.3 89.5 91.4 97.4 97.5 98.7 99.0 99.0 99.0 99.0 99.0 99.0 99.0 99.0 99.0 GC 1230 68.4 94.5 t3.. 91.6 97.6 97.7 98.9 99.2 99.2 99,2 99.2 99. 2 99.2 99.2 99.2 99.2 GE I01i 6.4 84.5 81.6 91.6 97.6 97.7 98.9 99.2 99.2 99.2 99.2 99.2 99.2 99.2 99.2 99.2 G( 9; 1 68.4 84.6 E9.9 91.7 97.7 97.8 99.0 99.4 99.4 99.5 99.s 99.5 99.5 99.5 99.5 99.5 GE B00[ b8.4 4.. 8.9 91.7 97.7 97.8 99.0 99.4 99.4 99.5 99.5 99.5 99.5 99.5 99.5 99.5 &E 700) 68.4 64.1 8.9 91.7 97.7 97.8 99.1 99.5 99.5 q9.7 99.7 99.7 99.7 99.7 99.7 99.7 GE 6001 69.8 84.6 83.9 91.7 97.7 97.8 99.1 99.5 99.S 99.8 99.8 99.8 99.8 99. 8 99.8 99.8 IE '.)I 68.4 94.6 68.9 91.7 97.7 97.8 99.1 99.5 99.5 99.8 99.8 99.8 99.8 99.8 99.8 99.8 GE 4uO7 6R.4 94.6 88.0 91.8 97.8 98.0 99.2 99.6 99.6 99.9 99.9 99.9 99.9 99.9 99.9 99.9 GE 1 3001 69.4 84.6 89.0 91.8 97.8 98.0 99.4 99.7 99.7 100.0 100.0 100.0 100.0 100.0 100.0 100.0 GE 2001 68.4 44.6 S9.0 91.8 97.8 96.0 99.4 99.7 99.7 10.0 100.0 100.0 100.0 100.3 100.0 100.0 GC 1300 68.4 64., 88.0 91.8 97.8 98.0 99.4 99.7 99.7 100.0 101.0 100.0 102.0 ICO.O 100.0 100.0 GE bi 89.4 64.b 89.0 91.8 97.8 98.0 99.4 99. 7 99.7 IC0.0 103.0 100.0 100.0 100.0 100.0 100.0 107AL NUMBER OF O[SERVAIIONS: 930
LOAL CLIMATOLOGY BRANCH USAFLEAC AIR weatiper SERYICE/MAC PERCENTAGE FREQUENCV OF occjrtence OF CEILING VERSUS VISIBILITY FROM H0ULY OSERVATTONS STATION NUMBER: 772886 STATION NAME: VAN NUYS CA PERIOD OF RECORD: 77-86 MONTI-: OCT HOURSILSTI: 1800-2700 CEILING 8S18'1T1 V N STATt3TE MILES IN i CE GE GE GE GE G GL G GE GE GL GE GE GE GL GE FELT I 13 6 5 4 7 2 1/2 2 1 112 I 1/4 1 3/4 i./8 112 5/1b 1/4 0............... NO CEIL I 56.8 67.4 73.1 72.2 76.8 76.8 77.6 77.7 17.7 77.7 77.7 77.7 77.7 77.7 77.7 77.7 GE 200001 bfn.3 71.5 74.5 76.6 81.3 81.3 82.2 82.3 62.3 R2.3 82.3 82.3 82.3 82.3 82.3 82.3 UE 180UD0 60.3 71.5 74.5 76.6 h11.3 81.3 82.2 82.3 * 2.3 92. 3 8?3 82.83 8.3 82.3 82.3 8.3 GE 36b[03 60.3 71.5 14.5 7.6 61.3 81.3 82.2 82.3 62.3 82.3 87.3 82.3 82.3 82.3 ts2.3 82.3 GE 14 rl 0 b.6. 73.7 76.3 78.9,3.9 83.9 89.7 84.8 84.8 84.8 84.8 84.8 84.8 84.8 84.8 94.8 GE 17(0O1 b7.6 74.7 18.D 80.1 85.1 85.j 85.9 86.0 b6.0 86.0 86.0 86.0 86.0 86.3 6b.3 96.0 bc 1000 63.8 75.9 19.5 81.7 86.9 86.9 B7.7 87.8 b7.8 B7.8 87.8 87.8 87.8 87.8 87.8 i7.8 ue 90001 63.8 75.y 79.5 81.7 66.9 d6.9 87.7 87.6 87.8 81.8 87.8 87.8 87.8 87.8 87.8 87.8 GE C 0001 b4. 76.3 1.9 82.2 87.] 87.3 88.2 8.3 88.3 8.3 88.3 88.3 88.3 88.3 88.1 66.3 GE 79001 64.2 7b.5 d3.3 82.3 87.4 87.4 68.3 88.4 888.4 8.4 99.6 8.4 88.4 96.4 8.4 88.4 LE 600 64.4 76.7 93.2 82.5 87.6 87.6 88.5 86.6 8.6 89.6 89.6 88.6 86.6 48.6 68.6 8.b GE 56000 65.3 77.S 61.1 83.3 98.5 88.5 89.4 89.5 89.s 89.5 89.5 89.5 89.5 89.5 89.5 89.5 6F 4501l 65.6 78.1 I.6 83.9 89.u 89.0 89.9 90. U 93.0 90.0 90.0 90.0 90.0 90.J 90.0 90.0 GE 40001 65.9 76.5 d2.3 84.3 89.5 89.5 90.0 90.4 30.4 9G.4 91.4 90.4 93.4 90.4 90.4 90.4 GE 3501 66.9 43.0 o3.7 85.9 91.1 91.1 91.9 92.0 92.0 92.0 92.0 92.0 92.0 92.7 92.0 92.0 4E 30001 69.0 82.4 b.1 88.5 93.7 93.7 94.5 94.6 94.6 94.6 94.6 94.6 99.6 94.6 94.6 96.6 GE 250)0I 69.7 83.9 87.6 90.2 95.s 95.5 96.3 96.6 96.5 96.5 96.6 96.5 96.5 96.6 96.5 96.5 GE 2P01 69.4 64.9 89.1 91.5 96.8 96.8 97.6 97.7 97.7 97.7 97.7 97.7 97.7 97.7 97.7 7.7 GE 18UO 69.5 85.3 89.5 91.8 97.1 97.1 98.0 9 t. 1 98.1 98.1 98.1 98.1 98.1 98.1 98.1 96.I IF 151UO b9.5 P5.5.9.7 92.3 97.5 97.5 98.4 98.5 98.5 98.5 98.5 98.5 93.5 98.5 98.5 98.5 GE 1260 69.5 85.7 93.0 92.7 98.2 98.2 99.0 99. 1 99.1 99.1 99.1 99.j 99.1 99.1 99.1 99.I GE 1000 69.5 J5.7 97.1 93.0 98.6 98.6 99.5 99.6 99.6 Q9.6 99.6 99.6 99.6 99.6 99.6 99.6 (E 9o7 69.5 8.7 93.1 93.3 98.6 98.6 99.5 99.6 99.6 99.6 99.6 99.6 99.6 99.6 99.6 99.6 GE 8001 69.5 85.7 93.1 93.3 98.6 98.6 99.6 99.7 99.7 99.7 99.7 99.7 99.7 99.7 99.7 99.7 GE 700 69.S 85.7 93.1 93.0 96.6 98.6 99.6 99.7 99.7 99.7 99.7 99-7 99.7 99.7 99.7 99.7 GE 6001 69.5 96.7 93.1 93.0 98.6 98.6 99.6 99.7 49.7 99.7 99.7 99.7 99.7 99.7 99. 7 99.7 E 5001 69.5 A5.7 93.1 93,1 98.7 96.7 99.8 99.9 49.9 9 99 99.9 99.9 99.9 99.9 99.9 tie 4001 69.5 85 7 93. 2 93 98.8 98.8 99.9 100.0 100.0 100.0 103.0 100. 0100.0 00.0 100.0 100.0 GE 3001 69.5 R5.7 93.2 93.2 98.b 98.8 99.9 100.0 130.0 1o.0 103.0 100.0 100.0 ICO.0 100.0 100.0 GE 2001 69.- P5.7 93.2 93.2 98.8 98.8 99.9 100.0 100.0 103.0 100.0 100.0 100.0 100.3 100.0 100.0 SF 1 A I b9.5 85.7 90.2 93.2 98.9 98.8 99.9 100.0 100.0 100.0 10(.0 100.0 103.0 100.0 500.0 lo.0 SE 91 69 5 65.7 93.2 93.2 98.8 9B.8 99.9 100.0 100.0 100.0 IUO.0 100.0 100.0 1(0.0 100.0 IOC.0 TOTAL NUMBRE OF OBSFRVATIONS: 930
ulobal CLIMATOLOGY 3NANCH PVCEENTAGE FR-QUENCV OF OCCJRPENCE of CEILING VERSUS VISIBILITY usafetac FROM I,0uLN ObSERvA8IONS AIR WEATHER GER$ICE/MAC STATION NUMBLR: 722886 STAIION NAME; VAN NU5 CA PEIOL OF RECORO: 77-86 MONT-: 0C rours(lst): 2100-2300 LEiLING VISIBILITY IN STATUTE MILLS IN Iim GE 3 G GE E G GE G- GC GE GL GE GL GE GE GE FELT I 1C t N 3 2 1/2 2 1 112 1 114 1 3/4 518 112 /16 1/4 0.o. o........ o..o...,.,,,,,........o.,o.. o,.............,...,.....,,..,... N CElL I,3.3 7.9 72.3 75.1 78.2 18.4 79.9 19.9 79.9 79.9 79.9 79.9 70.9 79.9 79.9 79.9 bf 200001 55.C 70.4 75.3 77.7 81.4 $1.5 83.1 83.1 83.1 83.1 b5.1 83.1 83.1 83.1 83.1 83.1 LE 18CG j 55. 71. 4 17.3 77.7 81.4 81.5 83.1 83.1 83.1 83.1 83.1 $3. 1 83.1 83.1 83.1 83.1 GE 16f001 5S.' 7.4 76.3 77.7 81.4 81.5 83.1 $3.1 83.1 83.1 83.1 83.1 83.1 83.1 d3. 83.1 bg 14PUo 56.2 72.1 75.8 79.6 8.2 83. N 84.9 84. 9 84.9 84.9 84.9 84.9 84.9 84.9 84.9 84.9 GE 12000 56.9 73. 773.7 8.5 84.1 84.3 85.8 85. 85.$ 5 8 85. $6.8 86.8 $5.8 86.8 8.8 GE 100001 57.1 73.1 7.9 $1.8 85.5 85.6 87.2 57.2 67.Z E7.2 87.2 87.2 87.2 87.2 7.2 87.2 GL 90U91 S7.1 73.2 7 1.9 81.8 85.5 85.8 87.2 87.2 87.2 $7.2 87.2 87.2 87.2 87.2 87.2 87.2 GE 80101 57.1 73.7 78.9 81.8 85.5 85.5 87.2 87.2 87.2 87.2 87.2 87.2 87.2 87.2 87.2 87.2 GE 711001 57.1 73.7 7q.9 81.8 85.5 85.8 87.2 87.2 87.2 87.2 87.2 87.2 87.2 87.2 87.2 87.2 GE 60201 57.5 74.2 72.3 82.2 85.8 86.0 87.5 87.5 87.5 87.5 $7.5 87.5 87.5 87.5 87.5 $7.5 GE 50OI 57.8 74.6 73.9 82.8 86.5 8. 8 88.2 88.1 88.2 8.2 8$.2 88.2 88.2 88.2 88.2 88.2 GE 4500 58.? 75.U 83.6 83.5 87.2 d7.3 88.9 $8.9 88.9 88.9 88.9 $8.9 AR.9 $8.9 88.9 889 GE 4001 582 70.2 $,6 83.5 87, 87.3 88.9 9 8.9 88.9 88 9 88 9 8.9 88 88.9 88.9 88.9 GE 3' 001 58.7 75.9 81.8 84.7 88.3 88.5 90.0 o. 0 90.0 48.0 90.0 90.0 90.0 90.0 90.0 90.0 GE 30C,1 59.2 76.9 a3.1 86.0 89.6 89.8 91.3 91.3 $1.3 91.3 9 91.3 91.3 91.3 91.3 91.3 GE 2IUU I 59.6 78.1 $4.3 87.2 90.8 91.0 92.5 92.5 92.5 92.5 92.5 92.5 92.5 92.5 92.5 92.5 GE 221-4 59.9 79.8 85.3 89.9 92.5 92.7 94.2 94.2 94.2 94.2 94.2 94.2 94.2 94.2 94.2 94.2 GE 1801 0.0 80.2 65.4 89.3 92.9 9.1 94.6 94.b 94.6 94.6 94.6 94.6 94.6 94.8 94.6 94.6 GE 1SUO 60.4 81.4 87.7 93.7 94.8 94.9 96.5 96.5 96.5 96.5 96.5 96.5 96.5 96.5 96.5 96.5 be 12U0 60.4 61.5 8.5 91.9 95.9 96.1 97.6 97.6 97.6 97.5 97.6 97.6 97.6 97.6 97.6 97.6 GE 10201 60.4 91.7 89.6 92.1 96.3 96.5 98.0 98.0 98.0 99.0 98.0 98.0 98.0 98.0 98.0 98.0 GE 901 80.4 81.b 83.7 92.3 98.6 96.8 98.2 98.2 98.2 98. 98.2 98.2 98.2 98.2 98.2 98.2 GE $001 60.4 61.8 88.7 92.4 96.7 96.9 98.7 98.8 98.8 9$.$ 93.8 98.8 98.8 98.8 98.8 98.8 GE 70031 60.4 81.8 d.7 92.4 96.7 96.9 98.7 98.8 v8.8 99.8 98. 98.8 98.9 98.8 98.8 98.8 GE 6001 60.4 81.8 8. 7 92.4 97.0 97.1 99.1 99.2 99.2 99.2 99.3 99.3 99.3 99.3 99.3 99.3 ue IuO 60.4 81.8 94.7 92.4 97.2 97.1 99.2 99.6 99.6 99.6 99.7 99.7 99.7 99.7 99.7 99.7 GE 4 5I 60.4 81.8 n9.7 92.4 97.0 97.1 99.2 99.b 09 6 99.6 99.7 99.7 99.7 99.7 99.7 99.7 GE I a 8l 0.4 61.8 89.7 92.9 97.1 97.2 99.3 99.7 99. 7 99.9 jgo.0 100.0 100.0 100.0 100.0 100.0 GE?031 60.4 91.8 3.7 92.9 97.1 97.2 99.3 99.7 99.7 99.9 10n.0 100.0 103.0 100.0 300.3 100.0 GE F 201 60.4 91.8 89.7 92.4 97.1 97.2 99.3 99.7 99.7 99.9 100.0 100.0 100.0 10.0 o0.o 100 GE.ji 0.4 81.8 i,.7 92.4 97.1 97 2 99.3 99.7 99.7 99.9 300.0 100.0 100.0 100.0 100.0 100.0 TOTAL...NUM8...E$. OF... 0.FGE898...1134......783..... T OTAL NUMBER OF OPSERVATIONS: 763
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FR- UCgCY OF OCCJRRENCE OF CEILING VERSUS VISIBILITY LSAFETAC FROM HOU4LY OdSERVAIIONS AIR WEATFER SERVICE/MAC STATION NUMBER: 7,2bbb STATION NAME: WAN NUV S CA PERIOD OF RECORD: 77-86 MONTH: OCT HOURSILSII: ALL C... N......... "..... ISIAILITI INY SIATUTE MILES.. IN I GC GE 5E GE GE GE G G- GL GE GE G L GE GE GE GE FEET I 10 b 5 4 3 2 112 2 1 1/2 1 114 1 3/4 5/8 112 5/16 1/4 0.,..,..,.,,...,.,....,.,........,.,..,.......,,,,o,,..,...,..,...,...,..,,.,.,,...,,...,,.,.,....,....,.... NO CELIL 48. 1 NA.8 62.6 65.2 69.? 70.2 71.4 71.& 71.8 72.U 72.0 72.0 72.0 72.0 72.0 72.0 GE 20CUO01 50.9 62.4 b5.5 69.1 74. 2 74.3 15.6 76.0 76.0 76.2 16.2 76.2 76.2 76.2 16.2 76.2 E 180 01 50.9 b2.4 65.5 69.1 74. 74.3 75.6 76.0 76.0 76.2 76 76,2 76.2 76.2 76.2 76.2 GE i OO1 50.9 62.4 b5.5 69.1 74.0 74.3 75.6 76.0 76.0 76.2 1.2 76.2 76.2 76.2 76.2 7b.2 NE 140001 52.8 65.0 69.2 7 1.8 76.9 77.Z 78.5 78.9 78.9 79.0 79.1 79.1 79.1 79.1 79.1 79.I GE 120021 53.1 65.4 b?.6 72. 3 77.3 171.6 7a.9 79.3 19.3 79.S 79.5 79.5 79.5 79.5 79.5 79.5 GE IUOUOI 54.3 67. G 71.4 74.2 79.3 79.b 80.9 81.4 d1.4 81.b 81.b 81.6 81.6 81.6 l.b 61.6 GF 9000 54.3 67.0 71.4 74.2 79.3 79.6 80.9 81.4 81.4 8.b 81.6 01.6 81.6 81.b 81.6 81.6 NE 80001 54.5 67.2 71.7 74.4 79.6 79.9 61.2 81.6 81.7 81.8 81.9 81.9 81.9 1.9 81.9 81.9 6E 7CGO1 54.5 67.3 71.R 74.6 79.8 80.1 81.4 81.6 81.8 92.U 82.n 82.0 82.0 92.3 82.1 82.1 NC 600 1 54.P 67.7 72.1 74.9 80.1 80.4 81.7 82.1 b2.2 32.3 62.4 62.4 82.4 92. 4 82.4 O2.4 be 00001 55.6 b8.6 73.1 75.9 81.1 81.4 82.7 83.2 83.2 83.4 83.4 83.4 83.4 83.4 83.4 93.4 GE 4, 001 56.1 69.2 73.8 76.6 81. 62.1 83.4 83.6 83.4 84.21 84.0 84.0 84.1 84.1 84.1 84.1 GE 4,,001 56.M 69.9 74.6 77.4 82.6 82.9 84.3 84.7 64.7 84.9 84.9 84.9 84.9 94.9 84.9 84.9 G E 3' 0 j1 57.0 71.2 75.7 78.5 83.9 84.2 85.5 85.9 85.9 86.1 86.1 86.1 86.1 86.1 86.1 86.1 G E 3000 5.1 1u.5 71.4 81.3 86.b 97.1 88.4 88.8 88.8 89.0 89.0 89.0 89.0 89.0 b9.0 89.0 6E 2,U01 1;.7 14.b 71.8 82.9 88.5 88.8 90.1 90.6 90.6 90.8 90.8 90.8 90.8 90.8 90.8 90.8 SE 20001 L.0(. 3 76.3 81.s 84.9 90.8 91.1 92.5 9 3. 0 93.0 93.2 93.2 93.2 93.2 93.2 9.2 93.2 GE 1930 k 60.4 76.6 81.9 8s.2 91.2 91.5 93.0 93.4 93.4 93.6 93.6 93.b 93.6 93.b 93.6 93.b E I O oni 61.7 7.2 82.6 8b.1 92.4 92.7 94.3 94.8 94.8 95.2 90.0 95.0 95.0 95. 45.0 9 95.0 NE 12011 60.9 17.b 83.3 87.1 93.5 93.9 9S.6 96.1 98.1 96.3 96.3 96.3 96.3 90.3 96.4 96.4 E ) I b0.9 77-8 83.5 7.3 94.0 94. 4 96.2 96.7 96.9 96.9 9b.9 98.9 96.9 96.9 96.9 SL IO01 60.9 77.8 83.6 87.3 94.0 94.5 96.3 96.8 96.8 97.2 97.2 97.2 97.2 91.2 97.2 97.2 SE 82OI 60.9 77.8 81.6 87.4 94.1 94.6 96.5 97.2 47.3 97.7 97 7 97.7 97.7 97.7 97.7 97 7 SF 7UI 60.9 77.8 83.7 87.5 94.2 94.6 96.6 97.4 97.4 Q7.q 9R.0 98.0 98.0 98.0 98.0 96.0 E 6 (o1 62.9 77.8 83.7 87.5 94.2 94.7 96.8 97.6 97.6 98.1 98.2 98.2 98.2 98.2 98.2 96.2 SE c2ot 60.9 77.8 83.7 87.5 94.2 94.7 96.9 97.8 97.9 98.4 98.5 9b.5 98.5 96.5 98.6 9b.6 GF 401 60.9 77.8 d.7 87.6 94.3 94.8 97.0 97.8 97.9 99.5 98.6 98.6 98. 7 98.7 98.7 98.7 GE 301J 60.9 77.8 81.7 87.5 94.3 94.8 97.0 9719 98.0 9B.6 99.0 99.0 99.1 99.1 99.1 99.1 SE L32 1 60.9 77.b 83.7 87.6 94.1 94.8 97.0 97.9 98.0 93.8 99.1 99.1 99.2 99.2 99.2 99.3 E 1001 60.9 77.8 81.7 87.6 94.1 94.8 97.3 97.9 98.1 98.9 99.2 99.2 99.4 99.4 99.5 99.6 SE )I bo. q 77.b 81.7 87,b 94. 3 94.8 97.0 97.9 98.1 98.9 99.2 99.2 99.4 99.4 99.6 100.0 IOTAL NUMBER ff OBSERVATIONS: 5594
GLOBAL CLIMAIOLOuY RANCH PENCENTAGE FREGUENCY OF OCCJRRtECE OF CEILING VERSUS VISIBILITY LSAFLTAC FROM IOULLY OSERAATIONS AIR weat-er %ERvICE/MAC STATION NUMBL: 7?2466 STATION NAME: VAN NUYS CA PERIOD OF RECORD: 77-80.4 MONTH: NOV HOURS(LSTI: 07)O~0500 CEILING... 1..1..161SIBLIT IN STATUTE MILES"" IN 6 GE GE SE GE GE G GE GE GE GE GL GL G E ue GL GE FEET 4 10 b 5 4 3 2 12 2 1 1/2 11/4 1 31/4 i/ 1/2 4/16 114 0...........'............ '........................ *.................... NO CEIL 1 64.8 73.4 77.8 72.A 76.0 76.0 77.6 77.6 77.6 77.6 77.6 77.6 77.b 77.6 77.6 71.6 GE 20C01 64.F 7.4 12.9 72.9 76.3 76.0 77.6 77.6 77.b 77.L 77.6 77.6 77.6 711. 77.6 77.6 LE 180O 6 4. 7.4 72.4 72.4 76.3 76.0 77.6 77. 6 77.6 77.6 77.6 7.6 77.6 77.b 77.6 77.6 GE 16U0 64.h 70.4 72.8 72.4 76.0 76.0 77.6 77.6 77.6 77.6 77.6 77.6 77.6 77.6 77.6 77.6 GE 140 n 64.6 72.0 74.4 74.4 77.b 77.6 79.2 79.2 79.2 79.2 79.2 79.2 79.2 19.2 79.2 79.2 GE 12EU0f F 4.6 72.0 78.4 74.4 77.6 77.6 79.2 79.2 7. 2 79.2 79.2 79.2 79.2 79.2 79.2 79.2 GE 10000 6.6 12.0 74.4 74.4 77.6 77. 6 79.2 79.2 79.2. 79.7 79.2 79.2 79.2 79.2 79.2 GE 400C 64.6 72.U 79.4 74.4 77.6 77.6 79.2 79.2 79.2 79.2 79.2 79,2 79.2 79.2 79.2 79.2 GE 8 rjo 65.6 72.0 74.9 74.4 77.6 77.6 79.2 79.2 19.2 79.2 79.? 79.2 79.2 79.2 79.2 79.2 G 70 U 0 bs.6 72.D 79.4 74.4 77.6 77. b 79.2 79.2 79.2 79.2 79.2 79.2 79.2 79.2 79.2 79.2 ue 6100 65.6 72.L 74.4 74.4 77.6 77.6 79.2 79.2 79.2 79.2 79.2 79.2 79.2 79.2 79.2 79.2 G E 5l1 66.4 72.6 75.2 75.2 78.4 76.4 80.0 80.0 80.0 90.0 b.o 80.0 80.0 A0.0 0.0 80.0 GE 4 i0! 66.4 73. 16.3 16.0 79.2 79.2 80.8 0.8 60.8 80.b 8n.4 80.8 83.8 40.6 60.8 40.8 b0 472C 66.4 71.6 7.o 7b.0 79.2 79.2 40.8 40.8 4.8 83.8 80.9 n 40. 83.8 40.6 6O.4 40.8 oe 3 0 1 66.4 73.6 75.3 76.3 79.c 79.2 80.8 40.6 6 0.8 80.9 40.8 40.8 8.8 60.8 8.8 80.A L F 02UO 67.2 75.2 71.4 79.2 82.4 2.4 844.0 84.0 84.0 84.0 b4.) 84.0.0 8N.0 84.3 84.0 84.0 GE 2',[On 67.? 67b. 83.0 80.4 84.0 84.0 8S.b 85.b 45.6 45.6 4.6 44.6. 85.6 45.b 45.6 85.6 GE 2Co 69.c 8J.0 8T.2 44.0 8.0 46.0 90.4 90.4 90.4 93.4 90.4 93.4 93.4 90.4 90.4 90.4 UE 140! 6Ib.7 3.0 87.2 84.0 88,0 68.0 90.4 90.4 90.4 90.4 90.4 90.4 90.4 90.4 90.4 90.4 UE 144,0 68.f, 8.0 84.3 44.8 90.4 9U.4 92.8 92. 92.8 92.4 92.8 92.8 92.8 92.8 92.8 92.4 (E 12u0 6.7 8.0 89.3 44.4 90.4 9L.4 92.8 92.8 92.8 92.6 92.4 92.8 92.8 92.8 92.8 92.4 GE 10!On 6P.0 Fu.) 94.0 84.6 90.4 90. 4 92.8 92.4 92.8 92.4 92.8 92.8 92.8 92.8 92.8 92.8 GE 967) 60.7 40.0 $9.0 84.8 90.4 90.4 92.8 92.4 92.8 92.6 92.8 92.8 92.8 92.9 92.8 92.8 GE PL0! 64.7 r 0.2 84.3 84.8 90.4 90.4 92.8 92.4 92.8 92.8 92.8 92.8 92.8 92.8 92.8 92.8 E 700! 64.0 80.0 84.3 84.8 90.4 90.4 92.8 92.4 92.8 97.A 92.8 92.8 92.8 92.8 92.8 92.8 bf 6LCI 6 8... 8. 4.3 84.6 90. 4 0.4 92.8 92.o 92.8 92.6 92.8 92.8 92.8 92.8 92.8 92.8 GE 400! 68.0 FD,. 88.0 84.4 91.2 91.2 93.6 94.4 94.4 95.2 95.2 95.2 95.2 95.2 95.2 95.2 GE 4I0 64.0 80.0 49.7 44.4 91.2 91.2 97.6 95.2 95.2 96.0 96.0 96.0 96. 96.0 96.0 96.0 LE SUr! 68.0 80. U 84.0 84.B 91.2 91.2 93.6 95.2 95,2 96.0 96.0 96.0 96.8 96.4 96.8 96.8 GE 2Oj 68.60 80. 0 84.3 84. 91.2 91.2 93.6 95.2 95.2 96.0 96.0 96.0 96.8 96.8 96.4 96.4 G6 1o! 68 90.0 844.3 844. 91.2 91.2 93.6 95.2 95.2 96.0 96.r 96.0 96.4 96.4 97.6 94.4 G E I! 61..0 84.3 84.d 91.2 91.2 91.6 95.2 95.2 96.0 96.0 9 6. 0 96.9 96. 97.6 100.0 TOTAL NUM3fR OF O4SERVA T13N9 125
L 06AL CLIMATOLOY JANCO PERCENTAOl FWQUENLY OF UCCUVEwCL OF LFILINb VERSUS VISIBILITY USAFETAC hom OULLY Ou R8A8I ONS A[1.LAIH[ 1[RvIC1/MAC STAILON NUML8: 7Z276b SIAT ION NAME: VAN NUYS CA PER0 UF EC0D80: 77-V6 MO1TP: NOV HOUVSILSTI: 0600-3309,o..,....,............,,..,.,....,...,.,...,..,.......... o...... o....,..........,......,... LEI 11 G " I 16 1 1 r IN STA T1 f MI t f " I I r. OE 51 2 GE [ 6 0 _. GE 61 G G E. ( GE u1 FE T I In 4 i 2 112 2 11/2 1 1/4 1 '/4 /8 1/2 /16 1/4 C......,..............,.......o.......,....,........................................,.o........................ NO CCIL 6 9.8 f2.4. 1 64.7 6.b (A.6 b.8 66.6 61.t bb.5 b6.6 66s 66.6.5 L 66. bb.6 L, E 22C0uD Ib I. 6 14. 2 L S -1 i 66. 6,767.8 68.1C6A7 66.1 b1 b7 b. B.1 7 b60. 7 C. 7 b.?.8 bo.6 b[ 180001 L1.6 4.2 oc4-1 6b.7 67.6 67. 68.1 b8.7 6h.? 68.7 6P. L8.1 t4.7 64.7 bt4. 6o.8 G C locool 11.&1 64.2 L5.9 b6.7 67.A 01.6 68.1 68.1 68.7 ca.7 8.1 ba.7 68.7 6d.7 9.8 68.8 te 14'39I 61.4 bb.2 u4.' 64.1 70.2 75.2 70.4 71.1 1.1 71. 7 11.1 71.1 71.I 71.1 1.2 71.2 GE I1 "'l u.6 f,.5 1.4 69.4 73.0b 7,.7 71.2 71.4 71.8 71.b 71.8 711. 1. B 71.8 1.9 71.9 01 123001 64.7 b.2 71.2 71.1 72,7 7121 7 3.3 73.9 73..9.V 71.9 73.9 73.9 71. 74.3 1.0 51 c Q 4,. 7 b6 6. 7.2 71.3 7 72 72.B 71.1 71.4 73. 793.4 7. 7.9 71., 174.0 714.0 GE 8201 66.2 b.7 737 71.8 T1.2 73.3 77.8 7.4 74.q 74.4 7 1.4 79.4 7. 74.4 14.5 7 5 ce 7r I 6.2 b..7 13.1 71.0 73. 73.3 13.8 74.4 14.4 74.4 14.4 74.4 74.4 14.4 714. 74.6 GE 6.] t.6, 6.9 7 72. J 73.4 73.6 74.0 T4. 7 74.7. 4.7 74.7 74.7 74.7 7417 74.8 74.0 L. 5C 0 I 61 7. 1 77. 73. 74.9 76.3 75. 16.1 16.1 16..1 7.1. 16.1 76.1 76.1 7o. LE.1jI 6U, 7-,7 7?.:1 74.3 75. 75 7 76.1 76.8 76.8 76.8 76.8 76.8 7b.8 7bo. 7b.9 7b.9 41 4ff 11.6 74,7 1%.3 74.2 75.9 lb. 0 76.5 77.1 71.1 77.1 17. 171.,1 77.1. 7 7.1 77.1 GE 3613 f b1.7 717.2 13.7 74.8 76. l. b 77 1 77.8 17.8 71.8 77.8 77.8 77.8 71.8 77.9 77.9 u1 3r: 6 P.1 71.2 7.1 71.J 79.3 19.4 79.9 8U.5 80. 3.6 00.5 83.6 80.6 8j.5 0O.b 80.6 GE 2 L. 74.L 73., 7d.4 eo.7 8.9 81.6 82.2 82.2 82.4 W2.4 82.4 82. 8. b 82.6 @2.5 E[ 2(,,31 6o.4 l.j 7:.4 83.1 81.2 83.4 84.3 85.2 85.2 85.3 '.3 96. 86.3 A 56. 8.6 s 6.5 GE IJ021 b.4 7b1. 13.4 80.1 83.4 83.b 84.7 86.b 85.6 85.7 06.7 85.7 86.7 86.7 86.8 86. te 156 1 '91.6 7.3 7.. 82.3 85.6 86.0 87.6 88.1 b8.3 R8.6 3P.6 88.b 88.6 88.b d9.7 8y.7 UE 1201 7C.4 1I.1 '1.2 8.7 b1.6 88. I 84.7 90. b O.b '1.2 912. 91.2 91.2 91.2 91.3 91.1 1 Eflonl Ic.6 71. S 1.1 84.2 88.2 B.8 90.6 91. 4 91.4 92.3 92.0 92.0 92. D 2.3 *4.2 29.2 ue 9 ;1 70.6 71. 3 I. 84.6 88.94 9.1 90.8 91.9 91.9 92.7 82.7 92.7 92.7 92.7 91.8 92.8 r 8j ti 70.6 1.47 o1? d4.6 88.6 89.2 90.9 92. y 42.2 91.3 T.V 93.0 V. q 1.3 93.2 93.2 Sr 7001 17.6 71.4 b?.- 84.6 68.b 89.2 90.9 92.4 42.4 93 93.1 93.1 91.7 91.3 9.4 93.8 L t 150 1 70.6 77.4 EI.A 84.b 68.0 89.2 91.1 92.7 92.7 93.5 43.6 3.5 9 3.S 93.5 9.7 91. GE OIj 7. 6 77.4 82.1 84.1 88.1 9.3 1. 3 93.4 93.6 91.1 94.8 94.8 94.9 94.9 5.0 45.0 u L 4 7. 3. 71.4 82.1 84.8 88.9 89.6 91.8 93.4 94.0 '5.4 9.5 95.5 96.9 96.9 Ob.0 96.U o t 1) C 70.6 71.4 07.1 84.98 8.9 09. b 91.8 93.9 94.0 95.4 95.6 95.5 9.1 96.1 9b. 9. GE o001 70.6 77.4 2.1 94.8 b.9 44.b 91.8 93.9 4.0 95.4 9.5 95. 96. 9 6.1. 9 6.4 Lf Io 7].6 77.4 o.1 89. 88.9 09. b 91.8 93. y Y40 q5 956. 7 95.7 96.3 96,3 96.9 91.4 SE -1 71t.6 71.4 bi.1 R4A 88.8 89.6 81.8 93.9 94.0 96.4 95.7 95.7 96.5 96.6 97.6 103.0 10381NU~ 909( 0F 0988813 kvai K 6
GLobAL CLTHAIOLOLY 3RAN(F PEoCENLAGI frk:u60 %C( Of 000(J36RL9.' OF TII IG VFE63LS VIS 1I1LIIr USAFETAC FROM HOULv O,57OVAT1ON3 AIf 8[ATR 5FRv1(L/MAL SIATION NURL 9: 7,2 66 STATION NAME: VA NTS LA PLP090 OF RECORO: 77-86 MONTH: NOV HOURSILST); 3900-1100 IN 06 OL E E G -Et 6 G C6 GE GE GE GE ue GL be FELT In 6 5 4 3 2 12 2 112 1 1/4 1 3/4 i8 112 9/16 1/4 0,...,....,,..,,,.......,... o........,...........,...........,....,,o NO ULIE I 55.H 1. 63.7 64.7 66.d 67.1 67.7 68.2 68.2 68.4 68.4 68.4 68.4 68.4 68.6 b.6 6G 2E3'OI bc.7 66.7 61.7 70.2 72.4 72.9 73.4 74.u.0 74.0 N. 74.2 74N.2 74.2 74.2 74.3 74.3 GE 180001 L.7 bb. 7 r1.7 70.2 72.4 72.9 73.4 74.0 74.0 74.2 74.7 74.2 74.2 74.2 7N.3 74.3 f 16 C.0 01 60. -7 6u.? 61i.17 73.2 72. 4 72.4 7T1.4 74. 0 14.0 74.2 74.2 34.2 74.2 14.2 14. 3 14.3 GE INcl ft Z. 9 (9.2 71. 73.1 7S.9 16. 6 77.2 77.8 77.8 78.0 78.0 78.0 78.0 78.0 78.1 76.I U I2r)co1 6T.0 69. 4 71.7 7N.3 76.4 77. 77 78.4 78.9 8 78.9 79.9 78.9 78.9 78.9 79.3 74.0 6E I 0D1 65.T 69.9 7.1 7N.6 77.3 78.0 78.8 79.6 79.6 83.0 80.0 80.0 83.0 R.3 do.1 a0.1 L E 90u01 t I. 3 t. y.1 74.6 77.4 T6.0 78.8 79.6 79.b 80.0 0.0 80.0 83.0 P0.0 do.1 6 3.1 u E COn 631.7 7...2 72e.4 74.8 77.7 76.3 79.1 79.9 79.9 8J.3 80.5 80.3 80.3 80.3 80.4 0. 4 u F I If 63.7 70.2.4 74.9 77.7 78.3 79.1 79.9 19.9 80.3 80.3 80.3 J.3 80.3 83.4 80.4 L[ 6 01 4' 7.?.?.4 75. 78.1 76.8 79 6 80.3 80.3 83.8 80.8 80.8 83.8 80.8 80.9 8.9 06L 5 boc'i u4.3 71.U 13.2 75.1 78.4 79.1 79.9 80.7 80.7 81.1 81.1 81.1 81.1 81.1 41.2 91.2 1t 4 Uf t,. 6 11.1 73.1 76.0 78.6 79.4 80.2 81.0 d1.0 91.4 81.4 81.4 81.4 81.4 b.6 81.6 c 4 - 'I I 64.6 71.3 7. 7s.3 78.t 79. 4 80.2 81.0u 81.0 81.4 61.4 81.4 81.4 81.4 81.6 81.6 E 3,1 f 64.6,l.71 13.8 7.0 79.2 19,9 8.7 81.-4 81.4 41.9 51.9 81.9 81.9 41.9 82.0 8,.0 471) 6".' 13. 13.4 78.2 81.6 1. 2 83.3 83. 9 bo3.9 P94.73 84.3 84.3 84.3 94.3 84N. 4 84.4 u ; 6 7.0 74.b 77.2 83.3 83.7 84.3 85.1 86.0 86.0 86.4 86.4 86.4 8b.4 96.4 8b.b 86.b EL I o) tr.' I5.7 b I.4 3.2 87.0 8b.3 89.9 89.9 89.9 93.3 0.3 90o3 93.7 90.0 90.4 90.4 ue I [) 68.7 71.7 di.b 84.0 8a.1 89.2 90.1 91.1 41.1 91.6 97.6 91.6 91.6 91.b 91.7 91.7 I I1%(]) l.') 78.u 81.2 84.9 89.2 9. 3 91.T 92.3 92, 3 93.0 93.0 93.0 93.0 93.3 93.1 93.1 r7 1291 6 L9.7 7.4 d11.3 85.8 g7.1 91.2 92.4 97.4 93.4 941 9.1 94.1 94.1 94. 1 94.2 94.2 ul I 401 69.7 7b.. 87.1 86.1 90.9 92.0 93.3 94. 4 94.6 95.3 91.3 95.3 95.3 95.3 95.4 95.4 Er 0.7.1 78.6 d?.2 86.2 91.0 92.2 93.8 94.9 95.0 94.6 95.8 95.8 95.8 95.8 95.9 95.9 ue 8' 69.7 18.7 d?.4 86.4 91.3 92.8 94 7 94.9 9b.0 96., 96..8 96.8 96.8 9b.8 96.9 96.9 LF. 703) L9.5 78.7 87.4 8b.4 91.5 92.8 94.9 96.2 96.3 91.1 97.1 97.1 97.? 97.2 97.3 97.3 I,7 t 9.3! In.? 63.4 8b.b 91. 92.9 95.0 9b.3 96.. 97.2 97.2 97.2 97.3 '7.1 97.4 97.4 1 cqi 3 78.7./,4 86.b 91.6 93.0 45.1 96. 4 96.7 97.6 97. 7 97.7 97.8 97.8 97.9 97.9 71 ufl 6. I 7t.9 di.7 86.9 91.8 q.2 95.3 9b.1 96.9 98.0 98.1 98.1 98.2 98.2 98.3 98.3 6j t 001 bg.3 78b.9 87.7 86.9 91.9 93.0 95.4 96.6 v7.0 98.3 9 p.4 98.4 98.6 98.6 98.7 98.7 LE 1.3 69.3 7d.9 8.7 86.9 92.1 93. 6 94.8 97.1 97.3 98.7 98.8 98.8 99.2 99.2 99.3 99.3 (It 1 : 60.3 78.9,'.7 746.9 92.1 93.6 95.8 97.1 97.5 I q.7 98.8 98.8 99.2 99.2 99.4 99.4 ( II b.1 7 b. 87.7 86.9 92.1 93.6 95.8 97.1 97.3 )8.7 99.8 98.8 99.3 99.3 99.7 1o.0 TOTAL N MHEW OF 07S4VATI3NS: 920
GLUoAL CLIMAILOLVY PRANCU PERCENTAGf frequency of OCCJRPEILC OF CEILING VERSUS VISIBILITY r USAFEIAC FROM HOU7LY O-St-RVATIONS A19 weat-er SLUVICE/AE STAT1ON NLMIJLR: 722886 STATION NAME: VAN NUYS CA PEQIO OF RECORD: 77-86 MONTh: NOV FOURS(LSTI: 1200-1400 CEILING ""AISI6ILIT 9 IN SIAIUTE MILES IN I GE 01 2E Er Gr 02 GE GE GL GE CL GE GE GE GE GE FEl I f. 5 i 3 z 112 2 1 1/2 1 1/4 1 /4 i /A 1/2 5/16 1/4 0....................,.......... I.,...,..,..................... NO CEIL 1 S 1.I 13.6 tl.8 63.7 66.U 66.2 66.8 66.9 66.8 66.9 66.9 66.9 66.9 66.9 bb.9 bb.9 GE 2CO 6,.9 67.3 69.3 73.3 73.2 73.4 74.0 74.0 74.C 74.1 74.1 74.1 74.1 74.1 74.1 74.1 IE I80]01 60.9 61.4 61.4 73.4 73.3 73.6 74.! 79. 1 74.1 74.2 74 74.2 74.2 74.2 74.2 74.2 fe I6 f,0j 0.9 67.4 u.4 70.4 73.3 73.6 7N.1 74.1 74.1 74.2 74.2 74.2 74,2 74.2 74.2 74.2 GE 14200 61.3 73.3 11.6 73.a 76.9 17.1 77.7 77.7 17.7 77.8 17.8 77.8 77.8 77.d 77.8 77.A GE 12232! 67.9 7:.9 77.1 74.6 77.8 7. 0 78.6 78.b 78.6 78.7 79.7 78.7 74.7 78.7 78.7 18.7 LE Ib;uOl 64. 1 71.9 73.2 75.9 79.6 79.8 80.3 80. 3 80.3 89.4 87.4 80.4 8. 0.4.4 O.8.. GE 9CO1 64.1 71.9 73. 75.3 79.6 79. 8 80.3 80.3 80.3 90.4 80.4 80.4 80.4 80.4 40.4 80.4 GE 8101 66.1 72.0 7.3 7b. 79.7 79.9 80.4 80.4 do.4 80.6 80.6 80.6 82.6 80.0 89.6 8O.c of 71021 64.1 72.j 7.3 7,.0 79.7 79.9 80.4 80.4 80.4 92.6 80.6 80.6 83.b 93.6 8c.6 80.6 GL 60U1 b4.6 72.7 79.3 76,7 80.3 90.6 81.1 81.1 61.I I.2 61.2 81.2 81.2 9I.2 81.2 31.2 oe 50UC 64. 7 3.0 74.3 77.0 80.7 80.9 61.4 81.4 81.4 81.6 81.6 81.6 8.6 81.6 81.6 81.6 1 bo 45 61 o6.7 5.1 75.t 79.2 82.9 83.1 83.7 83.7 83.7 83.8 83.7 83.8 83.8 83.8 83.8 83.8 LE 130do 67.2 7.7 77.1 79.8 83.4 83.7 84.2 84.2 64.2 86.3 84.3 84.3 84.3 84. 864.3 84.3 GC 3900! 68. 3 16.8 19.? 83.9 84.6 84.8 85.3 85.3 85.3 5.4 89.4 86.4 86.4 96.4 85.4 85.4 U.F 32D0 70.0 79.0 92.7 83.4 87.4 87.7 88.2 88.2 88.2 88.3 84.7 88.3 88.1 88.3 88.3 68.3 oe 2600O 71.7 81.1 92.9 85.9 90.1 90.b 91.1 91.! 91.1 9 1.c 91.2 91.2 91.2 91.2 91.2 91.2 GE 2;001 72.4 93.0 84.9 86.2 92.8 93.2 94.2 94.2 94.2 94.3 94.3 94.3 94.3 94.3 44.3 9s.3 f 1800 72.7 83.2 86.1 88.4 93.0 93.4 94.4 94.4 v4.4 94.6 94.6 94.6 94.6 94.6 94.6 94.6 GE 15071 72.8 33.7 3,.7 89.j 93.9 94.3 95.3 95.3 95.3 95.4 95.4 95.4 96.4 95.4 96.4 46.4 GE 1301 72.4 83.8 86.8 89.1 94.3 94.8 96.0 96.3 96.6 q6.8 96.8 96.8 96.8 96.8 96.8 96.8 be 121101 72.9 9j. b).9 89.2 99.8 95.2 96.4 96.8 97.0 97.2 97.2 97.2 97.2 97.2 97.2 97.2 G0 902! 72.9 93.8 ao.9 89.2 94.8 95.2 96.8 96.8 97.0 67.2 97.2 97.2 97.2 97.2 97.2 97.2 of 1o 1 7T.C 94.u 86.1 89.6 95.3 95.8 97.2 97.7 97.9 99.1 98.1 98.1 98.1 98.1 98.1 98.1 IE 7001 73.0 84.U d6.1 89.7 96.7 96.1 97.6 98.0 98.2 98.6 98. 6 98.6 98.6 98.b 98.6 98.6 GE 0 7 3.I 84.1 5.3 89.9 96.9 96.6 98.0 98.4 98.7 99.0 99.0 99.0 99.0 99.j 99.0 99.0 GE SOI 7 1. I 64.1 5.3 92.0 96.3 96.9 98.6 99.1 99.3 99.8 99.8 99.8 99.8 99.8 99.8 99.8 LC 4 ;C 73.1 H4.1 d5.3 93.0 96.2 96., 98.6 99.1 99.3 100.3 300.0 100.0 103.0 100.3 120.2 100.0 Of C 00 713. 4.1 85.3 92.0 96.2 96.9 98.6 99.1 99.3 IO.0 100.0 100.0 103.0 100.3 100.0 loo0, 1[ r -o1 73. 1 P4.I 66.3 90.0 96.2 96.9 98.6 99.1 99.3 1 ".0 107.0 100.0 100.0 10j.3 100.0 100.0 E I O 1 31. I 4.1 86.S 90.3 96.2 96.9 98.6 99.1 99.3 120.O 107.0 IO.0 100.0 100.0 100.0 130.0 u[ CI 71. 1 4.3 96.1 90.3 96.2 96.9 98.6 99.1 99.3 100.0 100.0 Ioo.0 102.0 102.2 300.0 100.0.O.. 9. 0... os...... 9 0...............,..,... **................,...... TOTAL NUMPJ R OF O;,5f RV4TI)N%. 9JO
GLOBAL CLIMAITOLLY tranch PECENTISE FREOUENCY OF OCCJRP0NL of CE1LINS VERSUS VISIBILITY USAFTAC FROM F-OUlLY 0SFRVATTONS AIR E AT HER SERVICE/MAC STATION NUM8R 722886 STATION NAME; VAN NLS CA PRIO OF RECORD: 77-b6 MONi-: NO8 HOURSILST): 15DG-170) CEIL INS 81S1 IN STAJTUF AITT MILES IN 53L 6f SE GE GE GE 6 F G5 GL SE GL G G SE G GE FELl I 10 5 4 3 2 182 2 11/2 1 1/4 1 14 i/b 1/ 1 1 1/4 / 0,.,...,,.,.,...,...,,........,.......,....,,,....,...,,.,....,,,,.....,,..., NT CLIL I 5S.7 61.9 t2.9 65.2 66.6 66.6 67.3 6.3 b7 3 67.3 b7.3 67.3 67.3 67.1 67.3 67.3 LE 20CDJG 62.3 t9.4 1).b 73.1 74.8 19.a 75.6 76.6 TS.b 76. 75.6 75b 7S.b 35.b 71.6 15.6 L1 180DO b.3 L9.4 70. b 73.j 74.8 74.8 75.6 75. 75.6 75.6 7.6 75.6 75.6 75.6 7,.6 7S.6 L 16r001 62.3 C.4 70.6 73. 74.8 74.8 75.6 1 5.6 756 75., 7.6 75.6 76.6 76.b 75. 5 75.6 GE IFPT0 65.8 72.9 74.4 77.0 78.9 7.8 9.17.7 79.7 19 19.7 79.7 79.7 79.7 79.7 19.7 7m.7 b[ 121P30 8 7 3.0 74.9 77.4 9. 3 19.3 d l.1 80.1 83.1 80.1 80.1 80.1 80.1 80. d).i C.I UE 100001 b6.8 14. 3 75, 79.2 61.2 81.2 82.0 82.0 a2.o 2 82.0 ca. 82.u 82. 82.D 2.0 92.0 GE 92o0I t6.8 74.3 7.6 79.2 81.2 1.2 82.0 82.0 82.0 R2.C 82.0 82.0 82.0 82.3 62.0 p2.0 E 8r GOI tl.1 74.9 77.1 79.9 81.9 81.9 82.7 82.7 d2.7 82.7 82.7 82.7 82.7 82.7 82.7 8e.7 S[ 1201 67.7 S.q 71.7 80.4 824 82.4 83.2 83.2 83.2 93.2 83.2 83.2 83.2.2 83.2 R3.2 E tligol b6.2 1. 1 13.3 81. 1 83. 1 803.1 83.9 813.9 b 3.9 8 3.61 63.9 8 3.9 8 3.49 81.9 83.9 8 3.9 G E SPOrl DoI 9s. 6 76,.6b 19.8 81.6 8 3. 6 80. 6 84.13 84. 3.4.3 P84.13 84.1 8 4.3 84.3 94.1 84.1 94.1I G 94 I 1.3 78. 81.4 83.6 85.6 85.6 88.1 86.3 6b.3 66. 86.3 86.3 8S.3 8b. 86.3 8,.3 SE 4CJ1 7L.8P 79.2 01.4 84.2 86.2 86.2 87,0 8710 87.0 87. 87.0 87.0 8 70 81. 87.0 81.L ut 300U1 72.4 81.2 3. 8b.b2 88.2 96.2 89.D 89.0 o 9.0 9. U 89. f] 89.0 89.0 89.0 89.0 89.0 8 30n 1 79.4 94.I 85.8 88.3 91.8 91.9 92.7 92. 92.7 92.1 92. 7 92.1 992.. 7 92.7 92.1 SE 2',LO 75.4 85.4 8.2 91.2 93.6 93.1 94.7 94.7 44.7 94.1 94.7 99.7 94.7 94.7 94.7 94.1 LE 2 E1I 76.3 p7.2' 31.2 91.2 95.7 95.8 96.8 96,6 96.8 96. 96.8 98.b 96.8 96.8 96.8 9b.8 SC 19U1 76.4 pt.3 9].3 93.3 95.8 95.9 97.0 97. 87.0 97.o 97.0 97.0 97.0 97.j 97.0 97. C 8f I1LU 76. 87. 9).L 93.6 96.0 96.2 97.3 97.3 97.3 97.3 97.3 97.3 97. 3 97.3 97.3 97.3 bf 1. 01?b. /I.8 91.9 93.9 96.4 96.7 98.1 98.1 8.1 98.1 98.1 98.1 98.1 96.1 98.1 9b..E IPufr 76,.9 d8.0 1.) 94.0 96.8 9b.8 98.4 98.6 98.8 98.6 98.6 9 9.6 98.6 98.6 94.6 48.6 G L 90I 7b.9 88. 91.0 94. 0 96. 96.8 98.4 9R.6 98.6 99.b 9 98.8 94.b 96.b 99.6 98.b be ROG 76.9 8A.0 91.0 94.0 96.7 9L.9 98.7 98.8 8 9.8 9.6 9A8. 98.8 98 8 9.8 98.8 9b.0 SI 7JU 76.9 8.c 91. 94.1 96.8 97.0 98.8 98.9 98.9 98.9 98.9 98.9 98.9 96.9 49.9 98.4 ce 61 76.9 h8.2 91.0 94.1 96.8 97.0 98.8 98.9 98.9 99.0 99.0 99.0 99.0 99.3 99.3 99.2 E ' 01 76.9 As.1 91.1 94.2 97.0 97. 99.3 99.6 99.6 99.9 100.0 100.0 100.0 100.0 100.0 10u. SE 400I 7b.9 88.1 91.1 94.2 97.. 97.4 99.3 99.6 99.6 99.9 I00.0 100.0 100.0 100.0 1011.0 100.0 0E hllo 76.1 8.1 91.1 94.2 97.7 97.4 99.3 99. 6 99.6 99.9 100O.0 100.0 100.0 100.0 100.0 100.0 I.E JI 76. 88.1 91.1 94.2 97.1 97.4 99.3 99.6 89.6 99.9 100.0 100.0 100.0 I,.0 100.0 100.0 SE IJ111 76.9 "o.k 91.1 94.Z 97.9 97.4 99.3 99.6 99.6 99.9 00.u1 1oo.0 103.0 10.3 100.0 100.0,E r I 76.9 8.1 91.1 94.2 97.0 97. 4 99.3 99. 6 99.6 9.9 100.0 100.0 103.0 100.0 103.0 100.0 T OT........... 930.......U.M.R.,..M.R.........OF................: TOTAL NUMBLk OF UfkS L W A 13 N S 9J10
tkol0al CLIMATOLOGY 8RAN Lf LSAFETAC AIR.EATFTER S[RVICE/MAC PERCENTAGE FREIUENCY OF OCCJRRENLC OF CEILING veksus V1ISIBILITY FROM HOULY OBSLRVAIIONS STATION NUMBER: 722865b STAIION NAME: VAN NUYS CA PC'IOD OF RECORD: 77-8f, MONTH: NOV HOURSILST): IB00-Z]O0 CE G VISIILIT Y IN SIATUTE MILES IN GL GE G F OF Gr OF E G 9 GL G E G G L GE GSE OE FE El I t 5 4 2 1/2 2 11 2 1 1/4 1 7/4 518 1/2 /1 b 1/4 0 NO CLEIL 1 60.4 16.1 68. 70.1 72.2 72.4 72.8 72.A 72.8 72.b 77.8 72.8 72.8 7-.8 72.R 72.8 G 203001 64.9 71.2 74.4 75.5 77.9 70.1 78.4 78. 4 78.4 78.4 78.4 78.4 78.4 78.4 78.4 78.4 6 E 1AOO 1 64.9 71.2 74.4 75.6 77.9 78. 1 78.4 78.4 78.4 78.4 7.4 78.4 79.9 7d.4 78.4 7b.4 G E Ib00 64. 9 71.2 74.4 75.9 77.9 78.1 78.4 78.4 78.4 78.4 78,4 78.4 78.4 78.4 78.4 74.4 SE 14-.001 6(.R 73.8 77.2 78. 81.0 81.2 81.6 81.b b1.6 81.f A1.6 81.6 AI.6 1.8 81. 91.8 LE 12'LI 66. 8 74.1 77.9 79.2 81.7 81.9 82.2 82.2 82.2 82.2 b2.2 82.2 82.? 92.2 82.2 82.2 F 11fuO 8C.2 1b.3 4).1 81.7 84.2 84.4 84.8 84.8 b4.8 84., 84.A 84. is 84 A 4.08 4.8. 4.8 u 1 9c,,O IC.2 76.3 8).1 81.7 84.2 84.4 84.8 84.9 84.8 R4.8 84.8 84.8 84.8 P4.8 84.8 84.. E 8-L(C, t R.3 74.b,3.3 81.9 84.4 84.7 85.0 85.0 85.0 95.0 8.-) 85.0 85.0 85. B99.0.1 B5.0 BE 72001 C8.3 78.3 b.4 82.0 84.b 84.8 99.1 85. b.i 9.I.1 85.1 85.1 p5. 1 o.1 es.i 08 b2' 68.7 17.2 o3.8 82. 84.9 8s. 89.4 85. 4 89. 85.4 89.4 85.4 85.9 85.4 5.4 8 5.4 GE 6F20 88.9 77.e 41.3 82.4 85.1 85.3 45.7 85.7 05.7 85.7 B'.7 85.7 85.7 85.7 85.7 85.7 6E 4: tl tq.9 78. b 67.2 83.8 86.3 86.8 86.9 88.9 86.9 88.9 8b.9 8.9 86.9 8b.9 86.9 88.9 uf 9-urlI 7f1.4 79.2 43.] 84. 87.1 87.3 67. 7 87.7 b7.7 87. 7 87.7 87.7 97.7 87.7 97.7 6E 3' Li1 71..2 J. 4.2 85.. 88.8 5 8. b Be.9 88.9 88.9 9 8.9 89.9 88.9 88.9 88.9 98.9 88.9 k, 1 1 77'D 2.1 2. 0 h9.0 88.2 90.9 91.1 91.4 91.4 91.4 91.4 91.4 91.4 91.4 91.4 91.4 91.4 " t "LJ 1 7.3 4,91 Isb 90.4 93.? 93.b 93.9 93.9 93.9 93.9 97.9 93.9 93.9 93.9 93.9 93.9 kf Z.1,7 74. 0,.2 0.1 92.1 94.9 95.3 95.7 95.7 v9.7 99.7 99.7 95.7 95.7 95.7 95.7 95.7 F 18r}i 1 74.0 40. 90.2 92.2 95.0 95.6 95.9 95.9 95.9 95.9 9.9 95.9 95.9 95.9 95.9 95.9 4f 15U0 l 74.3 40.2 91.1 93.2 96.1 96.7 97.2 97.2 97.2 97.2 97.2 97.2 97.2 97.2 97.2 97.2 if 12001 14.8 40.7 91.7 93.9 98. 97.3 98.0 98.c 9.0 98.0 99.0 98.0 98.3 98.0 98.0 98.0 F I1n1On 74.6 h91.0 97.1 94.8 97.4 98.0 98.7 98.7 98.7 98.7 9R.7 98.7 98.7 98.7 98.7 99.7 ue 90-1 74.6 87 92.2 94.7 97.b 9b. 1 98.8 98.8 8.8 99.8 9.8 98.8 98.8 98.8 98.8 98.9 Gr P.O1 74.8 '87.1 92.1 94.8 97.8 98.3 99.0 99.0 99.0 99.J 9Q.0 99.0 99.0 99.0 99. 99.0,1. 7U01 74.6 67.1 97.4 94.9 97.9 98.4 99.1 99.1 99.1 99.1 90.1 99.1 99.1 99.1 99.1 99.1. 6t.111 74.6 87.1 97.6 95.0 98.0 98.8 99.2 99.2 99.2 99.2 99.2 99.2 99.2 99.2 99.2 99.2 GE ',U0 74.6 7.1 9?.! 95.3 98.1 9b.7 99.8 99.6 99.8 79.b 99.8 99.8 99.6 99.b 99.8 99.b GL 4 j1 74.8 87.1 92.. 95.0 98.1 98.7 99.8. 99.8 99.8 99.8 9Q.8 99.8 99.8 99.8 99.8 99.8 bl 30Ol 74..71 92.6 95.3 98.1 98.7 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 6F 2602 74.6 7.1 9.b 95.3 98.1 98.7 99.9 99.9 1JO.0 100.0 1On. 0 100.0 10.3 100. 100.0 100.0 Of IGO 74.8 87.I Y.8 95.J 98.1 98.7 99.9 99.9 l13.3 110.0 10.( 100.o 100.0 100.0 100.0 100.0 BE 01 74. t 8.1 97.0 95.3 98.1 98.7 99.9 99.9 130.0 100.0 100.0 100.0 100.0 100.0 10C.0 120.0 TOAL NUMBER Of OBSENVTIDNS: 900
LOAAL CLIMAIOLOGY,RANCH PERCENTAGE FP-. UENCY OF UCE JPQLNCE OF CFILIN,. VFER-uS VIS1bILITY LSAfLTAC FROM FOU4LY (,ds t V AFt) N, AIR WEATtEP SE881CL/MA. STAION NUMBL: 722886 STATION NAME: VAN NuYS CA PRIO OF RECOO: 77-86 MONTH: NOV HOURSILSII: 211C-2303 ElLI V46S 1IL IT9Y I N I A8IU I MI LE S IN I FL G SE 6E GE 6- GE G- G SF GL GE Sc GE SE.E FELT I 1 3 2 1/2 2 1 1 2 1/4 1 3/4 5/8 112 3/18 I/V.......................,,...,..o..............................................................,,... NO CLIL 1 6C,.9 6.7 I 1.2 73.1 75.@ 7t.3 76.6 76.8 76.8 76.8 76.8 76.8 76.9 76.8 76.8 76.8, UT.?ut.Oj 63. 7.. 7..2 7b. 78.8 79 39.6 79.8 79.8 79 79.8 79.8 79.8 79.8 79.8 79.8 t 18-03J0k 6t' 72.6 17.2 75,. 79.8 79.1 79.6 79.8 79.8 79. 79.8 79.8 79.8 79.6 7.8 79,8 GE I 3cj 63.5 73. 74.2 76.1 78.8 79.1 79.6 79.8 79.8 79.,, 79.tb 79.8 79.8 79.,. 79,8 79.8.E 19>-01 64.6 71.9 1,1 77. 80.9 8L.6 91.2 81.4 81.9, 81. 81.4 81.4 81.9 81.. b1.1 61.9 127jl 6E 68.7 72.2 7o.9 71.87 81.3 815,1.5 81 d1. 81.5 81.5 71.S 81.5 b1.i.i,. I,3.1 93.1 Gc 101 6., 7 73.1 71.1 19.9 82.1 82.3 87.9 83.1 93.1 b 83 8I.1 81.1 83.1 1,. 83.1{ 31.2,E 92001 5.2 13.1 77.7 79.8 82.1 82.3 82.9 87.1 93.1 97.1 80.1 87.1 8 3 8 GE o[. I 6.8 73.S 71,. 79,6 82.3 82.5 83.1 83. 3 8.3 8. 8'.3 83.3 83.3 93.3 b3.3 3. LE 7110 1 65.6 71.u 77.1 79. 82.5.2.8 83.3 83. 6 3.5 p3.5 63.5 87.5 81.5 1.5 83.9 63.5 I uoj 6.6 13.8 71.3 801 82.9 83. 2 83.5 83.6 638 p3.8 83.9 83.8 83.8 p3. 6.8.8 GE 52GD 66.3 79.2 1/.9 80.5 83.2 83.4 84.3 8. 2 64 89.2 8q.2 89.2 89.2 89.2 68.2 88.2 G; 9'UfI 66.7 15. IS.". 89.0 4.2 89.8 85. 85.0 8.5.0 85.0 85.0 89.3 p5.d 95.3 95.0 GE 3 L01 67.1 76.1, n,. 82.3 85.0 85.2 85.8 86.0 86.0 86.U 86.0 86.0 86.0 86.j 86.0 6.0 66 j)i 67.9 1b.9 e1.j 83.2 85.9 88.1 86.7 86.9 85. 9 86.9 86. 86.9 89.9 86.9 86.9 8L.9, S 3:o - fg " 70.5 d * 89.9 87.6 69.1 88.7 88.9 b8.9 88.9 88.9 88.9 88.9 88.9 88.9 8.9 GE 2%mI 9.2 19.J 83. 88.3 89.0 99.86 99 900 90 93.4 9g.o 90.9 93. 9 4 94 90. 9. SC 2 b9il 69.: 93.6 82 88.9 91.2 91.7 92 92 5 92.5 92.5 92.5 92.5 92. 5 929 92.5 92.5 ul 1 I i t9.6 m8.b 93.1 88.5 91. 3 91.8 82. 92.6 92.6 82.6 97.6 92. 92.6 92.6 97.6 92.8 1001 I 9. ni.7 37.3 93.9 93.6 9.2 9.7 95 959 85.0 95.0 99.0 95. 0 95. 95 95. 0 9b.0 SE l2uoj 69.8 81.5,1.5 91.5 94.8 96.5 96.1 96.3 96. 3 9.3 96. 3 98.3 96.3 9u.3 96.3 96.3 GE 12011 I. P1.9 98.3 92.2 95.5 96.2 96.8 97: t 97. 0 97.0 97.0 97.0 91.0 91.U 91 3 97. E 9 1.111 69.8 01 9 88.3 92.3 995.5 96.2 96.8 9 7.0 97.0 97.0 97,0 97.10 97.0 g7. 97.3 97.0 F nocl 6.8. 9 d3.2 92.1 95.9 96.5 97.1 97.3 97.3 97.3 97.3 97.3 97. 3 97.3 7. 97. 3 1. 7:lI 69.8 I.9 S1.4 92.4 96.1 96.8 97.3 91.5 1., 97.5 97.5 97.5 97.5 97.5 97.5 97.9 SE 6,.0l F9. k SI 93.6 92.5 96.2 97. 0 97.5 97. 8 97. 8 97.8 93.8 97.8 97, 97.8 97.8 E t 9.9 71.9 88 9 2. 1 6.5 97.4 98.3 9.8 88.8 98.8 9A.8 98.8 98.8 89.8 98.8 98.8 uf 9I 69.9 91.9 8.7 92.9 96.6 91.8 98.8 99. 3 9.3 99.6 91 99.6 99.6 99.8 99.8 99.6 95.t 1 (, 9.0 81.9 88.7 92.9 96.8 91.8 98.8 99.7 99.3 99.5 99.6 99.6 99.6 99.6 99.6 99b 2Pj 1.1 01.9 I9.F 99.1 92.9 96.8 97. 8 98.9 99.4 89. q 99.7 99.7 99.7 99.7 99.7 99.7 99.7 Lt L11 69., 1.9 9,.7 93.1 96.9 97.9 99.0 99.6 99.8 99. 99.f, 98.8 99.8 9.8 99.8 130. ([ II 3.1 81.9 di.1 93. 1 96.9 91.9 9.0 99.6 99.6 99.8 99.8 99.8 99.8 99.8 99.8 130L.0.................... TOTAL NUMFIE R Of OFiS1RVA fj)ns: 89.
4 Ik r- ULOL AL CLI"A I L Y PNCF PE6CENTA&S fr -JUE4. OF SCCJ PE ICE OF CfILlI';, 1F SL vi1filii U'AFE AC FROM h-ou4ly O611LQ VATIUNS AIk hfathf8 SERYvICE/AC STATION NUMP HF : 7 2?.6,AIIOs N NAE: VAN NuYS CA PLIO01 F RECORD: 77-b6 MONT- : NOV -OU (s(lst): ALL tlno 8151811 1 5 S TAT UTEr MILES 11 I L CL G- 13 Gt GE L! S L L TI 6F uf GE SE GE SE FELT I I t 4 3 2 11 2 1 1 2 1 1/4 1 3/4 /6 1/2 / b 1/4 0..,...........,.....,....o...,...... NI C ll S.., tl 65.6, 67.1 69.1 69.2 69.7 70.(L 70.0 70.0 7r.(1 73. L 73.23 7-.1 7C.1 7-.1 Lt LLSCO 62.4 t,4 7.5 72.1 74.3 74.5 75.2 15.3 75.3 75.3 7 71 75.3 75.3 75.3 7.3 75.3 Ut 1830Cf 2.4 0h.4 72.5 72.1 74.3 74.5 75.1 75. 3 75. 3 75,3 7.1 75. 3 75. 75,3 75.4 75.4 4 SE 16tO t c1, b,4 33.5 72.1 74.1 74.5 75.1 75.3 75.3 75.3 7.3 75.3 75.3 7b.1 75.4 70.4 SE 14!'0 b4. 1'.6 71.2 75.1 77.3 77. 6 78.1 73.3 7b.3 78.4 7F.4 78.4 78.4 78.4 76. 4 70.4 {C 121.C01 64.7 71.1 73.b 75. 77.8 76.1 78.7 76.9 78.9 79.5L 70,.0 79.0 79.2 79.1 79.3 7v.] I C 31.4 12.4 7s. 77.3 79.b 79.8 80.4 80.7 60.7 03.6 8b.0 80.8 83.8 8).a 6 r.6 8 5.6 A. 9GtO b9.4 72.4 75.5 77.3 79.0 79.8 60.4 80.7 b23.7 93.6 bn.h b9.8 8.8 93. a 60.8 83.4 F b' i0 65.6 72.I 70.3 77.4 79.9 bc, 2 80.8 81.0 ul f P1.1 61.1 81.1 81.1 81.1 61.2 81.2 u,[ 7.,- I, S 7 2P. 7,.4 77. 80.1 60.3 80.9 81.2 41.2 81.2,1 81. 6.83 1 3 31.]. 1.3 I L I G) b.! 713.2 75.3 77.3 80.5 K. 7 81.3 81.6 01.6 81.7 9 1.7 I.1 81.7 81.7 6I.7 1 1.7 7 F 52301 66.' 73.7 75.4 78.5 81. -?. 81 8.9 82.1 82.1 82.2 84.? 92.2 82.2 62.2 82.3 82.3 -.[ ',5 1 6 7.4 74.5 77.5 79.7 82.2 82.5 83.1 8 3. 61.3 83.4 8'.4 83.4 83.4 83.4 3.5 83.5 C 4721 6 7.9 7. 4 r3.1 82.2 82.9 43.2 83.6 83.9 63.9 4., 64.0 84.U b 4. 84 3 84.0 94.0 be 31.P7 I84 7l.3 7.1 81.2 83.b 84.2 84.7 84.9 b 4.9 85.0 8'.C 85.3 80.2 5.0 0%. 0 ds.3 E 4 3"7 64., 7G1,4 41.4 81.0 86.4 86.8 87.4 87. 0 7.b 87.7 87.7 87.3 I :b7. 7 8 7.7 63.8 87.8 0 2=[r: C 70.9 71.3 at. 80.5 88.4 88.8 89.5 89.7 8,.7 p4 9 64.5 89.9 89.9 89.9.9.9 49.9 ; -2 7 1. 1. 4 87.b 90.3 91. 3 92.1 92.5 42.5 92.6 926 92.6 92.4 92.5. 2 6.6 I 1 P- u I. 7 t,.i 8.13 9 1. 91.6 92.5 92.8 9 2.8 93.0 93. 0 93.5 93.0 93. y 41.7 93.0a A Ir,1 7... rs.3 8b.9 92.0 93.0 94.0 94.3 94.] 94.5 94.5 94.5 94.5 94.0 4.5 94.5 l 1L" 1. 2.o a,.5 89.b 973.4 94.0 95.1 95.5 95.5 95.8 35.8 95.4 d 5.8 95.6 95.8 95.6 h 1 I 7. 1. 0.9 93.5 93.9 64,5 95.7 96. 1 96.2 95.5 9.0 9b.S 96. 9u.5 9f.5.5 S, E ",7 7 1 "Z.o h.9 9. 1 94., 44.b 95.9 96.3 96.4 96.6 91..1 96. 6.6, 98.6 96.7 9,.7 o1 & I 72.3 c., if.- 93.2 94.1 94.9 96.3 96 8 96.8 97. '7. 71 97.1 97.1 97.1 97.2 97.2 E 7, 12, '. 1T.1 9J3 94.4 Y5.3 96.4 C 9 7 1 97.4 97.4 97.4 97.4 97.4 97.4 97.4 F 7 2.4 7,1 92.4 945 90.2 96.6 97.2 37.3 97.6 97.6 470 t 97.0 97.8 97.6 947.6 F 12. 2,3 d.2 43. 94.1 95. 7. ] 97.86 7.9 98.4 984 68.4 985. 9..5 98.5 9c.5 -A 421 7.7. I, "t5 9j.6 94.8 95.6 97.3 9. 1 48Z 998. 48.8 98.8 98.9 98.5.98 98.9 C 1297 72.7 '2.5, 1. 93.6 94.8 9s.6 97.3 981 58.2 98. 98.9 98.9 99.0 99.0 99.1 99. EF,u1' 72.3 2. 4 47. 3 90. 94.9 95. 9. 47 98. 2 9n 3 94., 99.2 99.0 99.2 99.2 99.2 94.2 4L ILrI 72.7,2.9 7.3 92.5 94.1 95.7 97.4 98.2 b8.1 94.5 99q.2) 99.0 99.2 99.2 y.4 99.5 ce 12. 1 02. 1 st.3 93.b 94.9 95.7 97.4 98.2,.3 9.9 94., 99.0 99..3 99.3 99.5 15.a 7O7AL NUMHEF OF 578VATI3NS: 5423 al
GLOBAL CLIMATOLOLY 9ANC USAFLIAC AIR WEATI-ER E RVIICLrAE PERCENTAGE FREOUENC9 OF GCCUJAENZE OF CEILIjO VERSUS VIOIBILITY FROM HOULY OOSLR9ATTONS STATION NUBLP: 722Rb STATION NAME; VA4 NUYS CA PERIOu Of RECORD: 77-6 MONIf : GEC HOCRSILSI: 3600-39C] CEILI V 9ISIAILITY IN STATUTE MILES IN i 66 GE 5 - GE GE G GL GO GL GE GL GE. E L 6 GE FELT 11 6 5 4 2 1/2 2 1 1/2 Al/1 1 /4 5/8 1/2 S/16 1/4............. *...,...,..,,,...,... ** *...,...........,.......... NO CEIL I S(.2 9.9 61.3 62.2 64.2 64.4 65.0 65.2 65.2 65.7 5.7 65.7 b5.7 65.7 b,.7 b1.8 GE (]00 5-.9 62.9 645 65.3 67.B 6.0 68.7 69.1 69.1 C9.6 b9.6 69,6 69.6 696, b9.6 6y.7 GE 180001 59.9 62.9 c9.s 65.3 67.6 68.0 68.7 69.! 69.1 69.6 69.6 69.b 69.6 69.6 t9.6 69.7 GE 16000 50.9 62.9 t,.5 65.3 678 66.0 68.7 69.1 69.1 69.6 69.6 69.6. 69,6 69.6 u9.6 b.7 GE 140rD 62.9 67.0 69.7 69.6 72.0 72.3 73.0 73.4 13.5 74.0 76.0 74.0 74.0 74.2 74.0 74.1 GE 12001 6T.5 t,7. t,.5 70.3 73.1 73.4 74.1 74.7 74 8 75.3 71.3 75.3 75.3 7S. 1 5.3 1b.. GE CiCO I cb. 1 73. 72.4 73.Z 76.2 76. 4 77.1 77.7 77.9 79.3 70.3 7A.3 78.3 78.7 7.73 7.S GE 9UUO 66.1 7 j.6 72.4 73.2 b.2 76.4 77.1 77.7 77.9 78. 3 79.3 78.3 78.3 78.3 7H.3 7b.5 GE 8001 6b.5 71.2 7.3 74.0 77.0 77.3 78.0 78.b 78.7 79.2 79.2 79.2 79.2 79.2 79.2 79.3 GE 7000 66.7 11.3 73.1 74.1 77.1 77.4 78.1 78.7 7 8. 8 79.3 79.3 79.3 79.3 79. 74. 3 7Y.4 GE 600!O 66.7 71.4 13.2 74.2 77.3 77.5 78.2 78.8 79.0 79.4 79.4 79.4 79.4 79.4 19.4 79.b G E 5LIO 67.? 71.9 73.7 74. 77.9 7b 1 78.8 79.4 79.6 913. 0 8.0 80.0 80.0 83. 90.0 62.3 66 4', 01 67.5 72.7 79.6 75.7 78.9 79.1 79.8 80.4 80.5 P1.L 81.0 81.0 8 l. 81.1 81.1 81.4 uf 4222 67.8 13.2 75.1 76.5 79.8 u.0 80.9 81. 81.6 92.1 92.1 82.1 82.2 q2.2 82.2 2.6 GE I3001 89.2 74.0 759. 77.4 80.7 90.9 81.8 82.4 82.5 83.0 89.0 93.0 83.1 93.1 3.2 93.5 G 39001 69.9 74.7 7.9 78. 82. 82.2 83.2 83.9 b4.1 84.5 64.5 94.5 84.7 94.7 84.8 85.0 6E 25U0!1.1 15. 1 77.3 79.J 82.5 82. 93.1 84.4 94.5 9S. 9ao0 85.0 85.2 85.2 50.3 85.5 GE 2000 69.8 76.L 73.7 8.7 84.7 84.9 6.1 87.0 87.1 8r.6 87.6 87.6 87.7 97.7 87.8 8.1 GE 18OO 70.0 76.3 73.1 80.9 85.2 85.4 86.6 87.5 b1.6 38.1 8.1 88.1 88.2 88.2 98.3 8.b GE 1500 70.2 76. 1.8 91.8 86.3 8.5 87.7 88.6 4.8 89.3 89.3 89.3 89.4 99.4 89.5 89.8 GE 1201, 7[,.4 76.9 83.4 82.6 87. 87.2 88.8 89.7 89.9 93.5 93.5 90.5 90.6 90, U.s 90.9 91.0 GE 9001 70.4 17.0 o.7 82.9 87.5 87.7 89.3 90.1 90.6 91.2 91.2 91.2 91.4 91.4 91.5 91.7 GE 9001 70.6 77.1 o3.3 83.0 87.6 87.9 89.4 9.4 90.9 91.5 91.5 91.5 91.6 91.6 91.7 92.0 GE buc 70.6 77.1 b.9 83.2 88.0 8.6 90.4 91.5 Y2.0 92.6 97.6 92.6 92.7 92.7 92.8 93.1 GE 70 1 70.6 77.3 61.I H3.5 88.6 89.2 91.0 92.2 92.7 93.9 93.4 91.4 93,6 93.6 9.7 93.9 GE 60 70.6 77.1 61.3 83.6 88.7 89.4 91.2 92.6 97.1 q3,9 93.9 93.9 94.0 94.3,4.2 94.4 oe ro 70.6 77.3 oi.3 83.6 68.9 89.7 91.6 93.1 93.6 94.5 94.5 94.5 94.6 Q4,b 94.8 95.0 ue 4001 70.6 77.3 J1.1 83.b 88.9 99.7 91.6 93.1 93.6 91,.b 94.9 94.9 95.0 95.0 95.1 95.4 GE '0l! 70.6 77.4 a1.4 83.7 89.3 9L.0 92.3 94.0 94.5 96.2 96.R 9b.68 97.0 97.0 97.2 97.4 GE 200! 70,6 77.4 61.4 83.7 89.3 90.0 92.5 94.2 64.6 0.4 97.0 97.0 97.2 97.2 97.4 97.7 GE 160! 70.6 77.4 o,1 A3.7 89,3 90.0 92.5 94.3 94.8 96.6 97.2 97.2 97.6 97.b 97.9 96.4 GE 0! 70. 77,4 61.4 63.7 89.3 90.0 92.5 94.3 94.8 96.b 97.2 97.2 97.7 97.7 98.1 120.0 T M.E... E O..F E.... 1.......,......,......,*..................... *............ TOTAL NUMBER Of OPL'SRVA TIONS; 9 :
ULOvAL CLIMAIOLOY ER ANCH PERCENTAGE 3k UE4CY Of UCCJ6 0 ENLf OF LtILING VERSuS, VISIBILITY USAFETAC FkOM HOUALV OoSt R AIIONS AIRM JATl-CRP SE RV ICE /MAC S3AT1ON NUN ER: 7,?2b26 STATION NAME: VAN NLYS CA P7(800 cf 8LLORD: 77-8 ONT: DEC )OURSI L STI: 39[0-1103 CEILING VISIFILIIY IN SAlIUf M ILES IN, a UE Sf it. GE- E Gr GE E 1 t E t &f A GE GE 6f FEE I I e 5 3 2 1/2 2 1 1/2 1 1/4 1 /. 516 If? SlI b 1/4 C.... oo...,.o............................ o,..o..,o................................................,......, NO CEIL 1 53.3 S6.1 57.5 59.1 62.7 63.0 b3.1 63.2 b3.33 63.3 3 t3.3.. 63. t3. b 3 63.3 b3.4 E 2.00u01 5H.6 62.3 o.4 65.5 69.5 69.9 70.1 70.2 7 3 70.3 1r.3 70.3 73.4 73.4 70.4 75.5,C l67300 57.6 t6e. 3 3.'. 65.5 69.5 69. 9 70. 1 13. 2 70.3 70. 3 7 r.3 33. 3 13.. 137.4 13D. 4 7,,.5 GE L1b 00 58.6 62.3,.3.4 65 69.5 u9.9 70.1 70.2 70.3 73.3 70.3 7.3 73.4 7J.. 70.4 70.5 LE joo 0 63.0 f,5.9 o.- 7.5 75.2 75. 6 75.8 75.9 7b.0 76.2 7t.2 7.2 76..3 16.3 7. 7u.b UE 12 30 63.4 67.5 u.9 71.2 76.1 76.b 77.1 77.2 7T. 77 75 717 7 7.5 776 77.o 71.6 777 6 IV oi 66. 1 7. 6 71.9 74.4 79. 4 79.A a 60.5 83.b 6t3. 81l0. 8 1 81.0 81.1 A1.1 91.1 h1.2 11 9GIo bs.1 1/3.6 1. g 74.4 79.4 79.8 80.5 80.b do.9 81. 81.0 91.0 c. I Il1 81. 1 9.2 GE 8i 5O t.7 71.2 7,.5 14.9 79.9 dc.3 81.1 8A1.2 o.3 81.5 91.5 81.5 91. b 1.6 61.6 ol.7 L I 772 r,1 66. 71.3 7?.b 75.1 80.0 AC. 4 81.2 81. 3 1,.4 H1.1 91.6 AI.1 81.7 81.7 81.1 68 GE 6 oli 67. 71.5 7?.5 75.3 80.2 O3.6 a1.4 81.5.1.6 81.b 1.9 91.8 61.9 p1.9 61.9 2.3 GE I QOCI1 67.6 7.3 73.8 76.2 61., pl.b 82.5 82. b 8.80.,c 8.) 83.0J 83.1.. 63.1 b 3Z S 400W 6.81 71.3 7'4.5 77.3 82.3 82.7 83.5 8. 7 43.9 94.1 84.1 84.1 d4.2 f'.? b4.2 94.3 6 L 4 ',C I tf.3 13.3 74.9 77.u 82.b 83.0 A3.9 84.0 84.2 44.4 Ak.4 69.4 84.5 84.5 64.5 94.b LE 3 0(t 6 9.9 74. 1 5.7 78.5 83.4 93.9 4.7 84.8 85.1 5.3 8,7 85.3 85. 4.4 8.4 s.5.1 3300 G').? 79.5 75. 79.j 894.1 89.5 85.4 85.5 65.7 85 9 a,. 85.9 9b.0 8b.3 86.0 6t.1 it 255l) 69.6 15.1 75.9 79.9 65.3 85.3 86.b 86.7 86.9 87.1 87.1 87.1 87.2 87.2 87.2 81.3 GE 'diuc 7 0.5 6. 111.1 81.4 871 87.5 88.5 88.7 0.9 P9.1 8q.1 89.1 89.2 89.2 89.2 b,.4 U 1 I 7.. i 76.5. 81.6 87.6 88.1 89.3 89.2 89.5 @9.7 99..789.1 89.9 99.6 99.8 89.9 9 0 GE I1,P 71.1 7b., 74.9 82.3 88.2 88.6 89.6 89.8.0 *0.z 92.? 90.Z 9a.3 93.1 99.3 93.4.E 12C) 7!.3 71.4 1. 83.2 69.4 99.8 90.9 91.2 91.4 919. 91.6 91. b 91.7 91.7 91.7 91.8 GE 1063 11.6 19.2 I I.t 84.4 90.9 1. 3 92.5 93. 1 93.4 94., 99. 99.0 94.1 94.1 44.1 94.2 GE 9.fl 71.6 7A.? 8.S 84.6 91.1 91.6 93.0 93.7 99.1 94.7 94.8 94.8 99.9 94.9 94.9 95.1 F 4001 71.6 719.4 61.1 85.2 91.6 92. 2 93.5 94.k 948 q5, 97 9 95.8 95.9 95.9 95.9 96.0 GF 73 71.6 18.S II.3 85.4 91.9 92.5 93.9 94.9 9S.4 96.3 96.5 96.5 9bb 9. 9t.6 96.7 51 Aj jl I1.f 7b.5 bi.3 85.4 91.9 9z.5 91.9 94.9 *5.4 Qb.3 9f,.6 96.b 96.?.? 96.7 9t.8 LC 5LC 71.6 74.5 61.1 9!5.5 92.J 92.5 94.0 95.2 95.7 96.7 97.3 97.3 97.4 97.4 97.4 97.5 ie a4,d 71.6 7,.5, I. 3 65.5 92.3 92.b 9N. D 95.2 95.7 96.b 97. 97.6 97.7 97.7 97.7 97.8 6E U,I 71.6 7o.', 31. 85.s 92.; 92.7 94.2 95.6 9b1 I '7.5 9..5 98.5 98.6 98.6 98.7 98.4 u E?I 71.b 7., 1.35 5S 92.5, 92.7 99.4 95.a '6.3 97.7 37.9 98.8 98.9 99.9 99.2 99.1 41 ln )31.6 i79.5 41.3 89.5 92.D 92.7 94.4 95.6 96.S 9 7.9 99.9 98.9 99.2 99.2 99.4 99.7 9 ul, 7I. 16.0 91.3 85. 92.0 Z.o7 99.4 95.8 96.5 97.b 98.9 98.9 99.2 99.2 99.4 130.0 7.79 0. 796,S..E.A.V.... 6 8..OF.. SE A....oI:...93...0...... o............ N9 TOTAL NUMBER Of Uf!SERVATj3NS: 930
GLOBAL CLIMAIOLOLY 88ANCF usafeiac AIR WFATIER S[RVICL/IAC PENCENTAGE FR-QUENCY OF OCCJRRENCE OF CEILING VERSUS VISIBILITY FROM HOUTLY OdSLRVATTONS STATION NUPrER: 722866 51A6tt N AME: VAN NUYS CA PERIOD OF RECORD: 77-86 MONTH: DEC HOU9SILSTI: 3600-0803 CEILING VISIHILITY IN STATUTE MILES IN I GL GE 5f1 GE GE G- GE GG GL GE GE GE GE GE GE GE FELl I 1 p U 5 4 1 2 112 2 1 1/2 1 1/4 1 3/4 5/8 112 5/16 1/4 0 NO CEIL I Sb.? 9.9 61.3 62.2 64.? 64.4 65.O 65.2 b5.2 65.7 65.7 65.7 65.7 65.7 bs.7 65.8 be O00 1 5U.9 62.9 b4.5 65.3 67.8 68.0 68.7 69.1 69.1 69.6 69.6 69.6 69.6 69.6 69.6 69.7 se ICDO 58.9 62.9 c4.t 65.3 67.6 68.3 68.7 69.1 69.1 69.6 69.6 69.6 69.6 69.6 69.6 69.7 GE 16000 56.9 62.9 64.5 65.3 67.8 66.0 68.7 69.1 69.I 69.6 69.6 69.6 69.6 69.6 b9.6 69.7 LE 140oo 62.9 67.0 &3.7 69.6 72.0 12.3 73.0 73.4 13.5 74.0 74.0 74.0 74.0 74.0 74.0 74.1 LE 12 10 E3.5 7.c o.5 70. 3 73.1 73. 4 74.1 74.7 74.8 75. 3 75-3 75.3 75.3 75.3 75.3 75.4 ue 1C,001 66.1 73.b 77.4 73.2 76. 76. 4 77.1 77.7 17.9 78.3 7..3 78.3 78,3 78.3 78.3 7b.5 GE 9SDO 66.1 7U.6 72.,4 73.2 76.2 16.4 77.1 77.7 77.9 78.3 78.3 78.3 78.3 18.3 78.3 7b6.S ul 6 D0O 66 c. 71.2 73.2 7*0 4 77.0 77.3 78.0 78.6 78.7 79.2 79.2 79.2 79.2 79.2 79.2 79.3 u E 70D01 66.7 71.3 73.1 74.1 77. 77. 4 78.1 78.7 78. 8 79.3 79.3 79. 3 79.3 79.3 79.3 79.4 u E t)001 66.7 71.4 73.2 74.2 77.3 77.5 78.2 78.8 79.0 79.4 79.4 79.4 79.4 79.4 79.4 79.6 I.E 52001 67.2, 71.9 73.7 74.8 77.9 76.1 78.8 79.4 79.6 83.0 8.0n 80.0 80.0 80.3 80.0 80.3 L t 42710 67. 7,.7 74.6 75.7 78.R 79.1 79.8 80. 4 80.5 8L.0 81.0 81.0 81.1 81.1 81.1 81.4 U.E 47091 67.8 73.. 7.1 76.5 79.8 8u.0 80.9 81.5 a1.6 82.1 82.1 82.1 82.2 82.2 82.2 82.5 se P, 001 68.2 14.0 75.9 77.4 80.1 80.9 81.4 82. 4 82.5 83.0 83.0 83.0 83.1 83.1 83.2 83.5 GE "0o0 69.q 74.7 7s.9 78.6 82.0 82. 2 83.2 83.9 84.1 84.5 64.5 84.5 84.7 84.7 84.8 85.0 01 2S2C1 6Q.1 75.1 77.1 79.j 82.5 R2.7 83.7 84.4 84.5 85.0 85.0 8S. 85.2 85.2 85.3 85.5 LE 22 U0 69.8 7b.01 73.7 8. 7 84.7 84.9 86.1 87.0 87.1 87.6 87.6 87.6 87.7 87.7 87.8 88.1 ie 1800 70.0 7o.3 18.3 80.9 85.2 85.4 86.6 81.5 67.6 8.1 88.1 88.1 88.2 88.2 88.3 86.6 (,E 1,0', 70.2 76.0t 79.8 81.8 86.3 86.5 87.7 88.6 88.8 89.3 89.3 89.3 89.4 89.4 89.5 89.8 fe I?U 7,4 7t,.9 b 34 82. 5 87.L 87.2 88.8 89. 7 89.9 93.5 90.S 90.5 90.6 90.6 90.8 91.0 u.e I CO l 70.4 17.0 o.7 82.8 87.5 87.7 89.3 90.1 90.6 1.2 91.2 91.2 91.4 91.4 91.5 91.7 IE 9001 73.6 77.1 3.8 83.0 87.6 87.8 89.4 90.4 90.9 41.5 91.5 91.S 91.6 91.6 91.7 92.0 IE 60I 70.6 77.1 63.9 33.2 88.3 6..6 90.4 91.5 92.0 92.6 926 92.6 92.7 92.7 92.8 93.1 GE 7ol 70.6 77.3 81.1 83.5 88.b 89.2 91.0 92.2 92.7 03.4 93.4 93.4 93.6 93.6 93. 93.9 le 6c"1 70.6 77.3 613 83.6 88.7 89.4 91.2 92.6 43.1 93.9 93.9 93.9 94.0 94.3 94.2 94.4 6E uod1 70.6 77.3 I.3 83.6 88.9 89.7 91.6 93.1 93.6 94.5 94.5 94.5 94.6 94.b 94.8 95.0 ue 4001 70.6 71. ji.3 83.6 88.9 99.7 91.6 93.1 93.6 94.6 94.9 94.9 95.0 95.0 95.1 95.4 GE '00i 70.6 77.4 l.4 83.7 89.3 9L00 92.3 94.0 94.5 96.2 98.8 96.8 97.0 97.0 97.2 97.4 GE 2001 70.6 77.4 il.4 83.7 89.3 90.0 92.5 94.2 94.6 96.4 97.0 97.0 97.2 47.2 97.4 97.7 i.e IIdo1 70.6 77.4 d1.4 83.7 89.3 90.0 92.5 94.3 94.8 96.6 97.2 97.2 97.6 97.6 97.9 96.4 be 31 70.6 77.4 81.4 83.7 89.3 90.0 92.5 94.3 94.8 96.6 97.2 97.2 97.7 97.7 98.1 100.0 TOTAL NUMBER OF OLISERVTIONS: z2
GLObAL CLIM413OLOGT BRANCH USAFETAC AIR weather SERvICE/MAC PERCENTAGE FROQUENCY OF OCCJRPENFE OF El1LING VFRSU' VISIBILITY FROM HOURLY OBSERVATIONS STATION NUMBER: 722886 STATION NAME: VAN NLYS C A r71:01 OF PCORD: 77-86 MONT-! DEC aoursilsti: 1?0-3-143 EILING VISIBILIT Y IN STATUTE MILES IN I GE GE 5E GE GE G- GE G- GE GE I Gt G E 3E GL Of FEET 1 10 6 5 4 T 2 1t2 2 1 112 1 1/4 1 7/{ i /8 1/2 1/16 1/4 6 NO CElL I 50.9 39.2 55.2 57.L 60.. 60.3 61.0 61.3 61.3 61.4 61.4 61.4 61.4 61.4 b1.4 b1.6 GE ZO0CO 6 0.5 65.3 bs.3 68.7 72.1 72.2 72.8 73.1 73.1 73.2 73.2 73.2 73.2 73.2 77.2 73.2 GE 180001 60. 65.3 65.3 68.7 72.1 72.2 72.8 73.1 73.1 73.2 77. 73.2 73.2 73.2 73.2 73.3 GE 160001 63.5 65.3 65.3 68.7 72.0 12.2 72.8 73.1 73.1 73.2 73.2 73. 2 73 p3.2 77.2 73.2 t, E 14 001 66.6 b9.6 71,. 74.-3 77.b 77.7 78.7 79.1 79.1 79.2 79.2 79.2 79.2 79.2 79.2 79 2 6.E 12D300 64.6 69.8 71.8 74.4 78. T6. 5 79.5 79.9 79.9 83.0 80.0 03.0 80.0 80.3 8n.3 97.*, be 100001 67.0 72.4 74.5 77.1 81. 81.2 82.2 82.6 82.6 82.7 82,7 82.7 82.7 92.7 82.7 8..7 GE 90001 67.0 72.4 78.5 771 81.( 81.2 82.2 82.6 87.6 82.7 87.7 927 7 82.7 82.7 02.I 3E 8000 67.3 72.9 75.1 77.6 81.5 81.7 82.7 83.1 83.1 P3.2 8.2 8T.2 83.2 93.2 8.2 L,.2 GE 710 01 67.3 72.9 75.1 77.6 81., 81.7 82.7 83.1 83.1 P3.2 83.2 93.2 83.2 83.2 8T.2 03.2 GE 60001 67.7 73.3 75.s 78.1 81.9 8.3 8.2 83.7 817 I 83. R8 81.P 83.8 83.8 93.8 63.8 A3.( (,E 50001 69.2 74.9 77.1 79.7 83.5 83.9 84.8 85.3 85.3 P5.4 8'.4 95.4 85.4 R5.4 8S.4 45.4 GE 4 5001 6q.8 75.6 77.7 80.3 842 84.5 85.S 85.9 85.9 96.0 86.7 906.0 86.3 P6.0 86.3.b. GE P.0')1 70.2 76.U 78.3 83.9 84.71 9.S.1 86.0 86.5 Ob.S 86.6 8t.,. 86.6 86.6 46.6 86.6 qb.b GE 3S01 71.0 76.9 73.1 8l.1 85.I 46.3 87.0 81.N 87.4 7.5 67.5 87.5 97.5 937.5 R7.5 qt. be 1900 73. 1 79.6 81.9 A4.S 88.5 98.8 89.8 93. 2 90.2 90.3 9. ;. 7 03. 3 90. 3 97,.7 90.3 G. 2S001 74.5 81.0 87.4 86.2 90.3 p0.6 91.6 92.0 92.0 92.2 9.2 92.2 72.2 92.2 92.2 90.2 G1 2000 1 74.q 81.7 84.4 87.3 91.6 91.9 93.0 93. 4 43.4 93.7 97.7 9T.7 93.7 93.7 9'.7 93I G E: 18001 74.9 81T. 84.4 87.3 41.b q,9 93.0 93. 4 93.4 '3.4 91.8 93.8 93.R 93.8 97.8 93.9 1F 13001 74.9 82. 84. 7 87. 7. T 942. 93,1 43. 9 93.9 94.,2 94.2 99.2 94.2 94.2 94.2 94., GE 1200 75.1 82.5 85.3 88.3 92.m 93. 94.7 95. 4 95.9 95.9 9.9 9s.9 95.9 9s.9 9'.9 9S.9 GE 10001 75.7 83.2 85.3 89.2 93.4 14.2 95.9 96.8 96.4 97.4 97.4 9 7.4 97. 4 97.4 97.4 97.-4 GE 9001 75.7 83.3 85.1 89.4 93.9 94.4 96.1 90.0 97.0 97.6 97.6 97.6 97.6 97.6 97.6 97.6 GE 8001 75.7 83.3 85.2 89.5 94.2 94.9 968 97.7 97.7 99.6 9-.6 99.6 99.6 99.b 98.6 98.6 UE 7001 75.7 83.4 85.3 89.7 94.6 95.2 97.1 98.1 98.1 98.9 9'.9 9.9 94.9 98.9 9A.9 9.9 GE 6001 75.7 837.4 85.5 89.8 94.6 95.4 97.5 98.5 98.5 99.4 9.1 99a.5 99.5 90.5 09.5 99.5 31E S001 75.7 83.4 85.5 89.8 94.6 9 5.4 97.5 98.5 98.5 99.6 99.7 99.7 99.7 99.7 98.7 99.7 G1E 4001 7s.7 83.4 865S 9.8 94., 9S. 4 97.5 98.7 98.7 99.8 99.9 99.9 99.9 99.9 99.9 99.9 3.1E 3001 75.7 83.4 85.5 89.8 94.f 95. 4 97.5 98.8 98.8 98.9 to.0 1o.0 103.0 I"O.3 107.3 110.0 G31 2001 75.7 83.4 85.5 89.8 94.6 9 5.4 97.5 98.8 98.8 99.9 10l9t.0 100.0 100.0 100.0 100.0 130.0 G. 1001 75.7 83.4 8s.5 89.8 94.,6 9S. 4 97.5 98.8 98.8 99.9 lo.n0 1310.0 100.0 100.0 100.0 130.0 GE 0I 75.7 83.4 85.5 89.8 94.6 95, 4 97.5 98.8 98.8 99.9 1or.0 1O3.0 100.0 1100 100.0 100.0.. TOTAL NUM@ER OF OSERVAIL3NS: 970
GLObAL CLIMATOLOGY BRANCH USAFETAC AIR WEATHER SERVICE/MAC PERCENTAGE FR7QUENCY OF OCCJRRENCE OF CEILING VERSUS VISIBILITY FROM HOURLY OBSERVATIONS STATION NUMFEP: 722486 STATION NAME: VAN NUYS CA PE OTO OF RECORD: 77-86 4nNTH: OLC HOURS(LSTI: I500-1103 CEILING VISIBILOITY IN STATUTE MILES IN N GE GE F E GE GE G- GE GE GE GE SE L [ GE (E GC E E FEET I 10 b 5 4 3 2 112 2 1 I2 1 1/4 1 '/4 /8 1/ 5/16 1/4 C... NO CEIL I 5r.3 55.0 57.7 58.b 61.5 61.6 62.4 62.8 62.8 62.8 62.8 62.8 62.8 6Z.8 62.8 6,.8 be 00 r,1 59.2 64.7 67.9 69.3 72.6 73.0 74.0 74.3 74.3 74.3 74.3 74.3 74.3 74.3 74.3 74.3 GE 183001 59.3 64.8 63,. 69.4 72.7 73.1 74.1 74.4 74.4 74.4 74.4 74.4 74.4 79.4 74.4 74.4 7 GE 160001 59.3 64.8. 69.4 727. 73.1 74.1 74.4 7 74.4 1.4 74.4 74.4 4.q 4. 4 74.. we L4 OO1 62.1 68.7 12.Z 73.6 77.4 77.9 79.0 79.3 79.3 79.3 7.3 79.3 79.3 79.3 79.3 79.3 GE 12qGO1 62., 69.6 73.4 74.8 78.6 79.2 80.3 80.6 br.6 83..6%'" R(.6 R.6 4 u.6 80.6 P,;b GE lonuol b6.4 72.2 75.4 77.8 81.6 82.3 83.4 83.7 b3.7 83.7 8.7 83.7 83.7 83.7 83.7 P3.7 LE 93001 64.4 72.2 75.4 77.8 61.6 82.3 83.4 63.7?. 7 9 3. 7 8. 3.7 83.7 43.7 83.7 5.7.6 9"OCI 64.4 72.2 T5.4 71.8 81., 42. 3 87.4 83.7 83.7 A3.7 07.7 83.7 83.7 93.7 8.7 83.? GE 7O01 64.7 72.6 76.1 78.1 61.9 82.7 83.7 84. 1 84. 84.1 84.I 84.1 84.1 84.1 84.1 44.1 GE 6"G0I b.9 72.8 77.3 78.4 82.1 82.9 84.0 84.3 84.3 84.3 84. 84.3 84. 3 61.3 84.3 94. GfA SOCO 65.9 73.8 78.7 79.4 83.2 84. 3 85.0 65.4 66.4 RS.4 a c. 4 85.4 86.4 35.4 8S.4 85.4 GA 4600 6b.3 74.4 I?.2 83.6 84.4 5.1 86.2 86.5 86.S P6.5 86.6 86.5 86.5 A. 5 86.5 46.5, E 4J03 67.1 75.1 79.4 83.8 84.6 8s. 4 86.6 86. 8 86. 86.8 86.4 46.8 86.8 p6.8 86.8 b,8 6t c-i 66.0o 76. "1,.4 81.8 85,6 8b.3 87.5 67.8 87.8 87. 87.8 87.8 87.8 67.8 87.9 67.4 6F 300 70.l 76. )3.3 84. 88.5 89. 2 90.4 97.1 90.7 90. 7 9*7 90.7 90.7 90.7 90.7 90.7, f 2t O 71. 80.3 85. 86.5 90.5 91.3 9.7 93.0 93.0 93.0 97.n 93.0 93.0 93.3 93.0 93.3 UG( 20001 7.1 F1-2 85. 67.9 92.1 92.8 94.3 94. 6 94.6 q4.6 94.6 94.6 94.6 94.6 94.6 94.6 be 14001 71.% 81.4 95. 88.3 9 93.2 94.7 95.0 95.0 95.0 9r.C 45. 90 5.3 9.0 95.3 I.E I505 I1.I 81.4 36.6 8. 3 92.9 93. 6 9S.3 95.6 9S.6 5.7 91.9 95.8 9S. 95.8 95.8 95.8 sr I2GO1 71.7 $1.8 31.2 88.1 97.T 94.1 9S.7 96.0 96.0 q6.1 96., 9G.2 96.2 96.2 96.2 9b.2 G( I ' 1 71,7 8 1.9 87.3 89.3 93.8 94.4 96.1 96.7 96.7 q6.9 9.0 97.0 97.0 97.0 97.0 97.3 Gf 91 11.7 I 81.9 47.3 89.) 1 3. 94.6 96.4 97.0 97.0 91.3 '7.6 97.4 97.4 q7.4 97.4 17.4 GE F1:TI 71.7 81.9 17. 3 9.2 94.3 94.7 96.7 97.3 97.3 07.6 97.7 97.7 97.7 97.7 97.7 97.7 GE 1 T0 71.1 6Z.0 47.S 89.4 94.4 95.2 97.1 98. 0 98.0 98. 94.4 9.4 98.4 98.4 98. 98.4 GE &OI 71.7 P2.0 47.s 89.5 94.4 95.2 97.3 98.3 98.3 98.6 9t.q 98.8 98.6 98.8 96.8 98.8 GE 5 GOf 71.8 82.1 87.6 89.6 9.5 95. 3 97.b 98.7 98.7 99.1 944 99.4 99.4 99.4 99.4 99.4 GE 4Co31 71.4 02.1 87.6 89.6 94.5 95. 97? - 9b 98. 98.8 99.4 91.6 99.6 99.6 q9.6 99.6 99.b 6f 3001 71.9 62.2 87.1 69.7 94.b 95.4 97.7 99.2 99.2 99.8 130.0 103.0 103.0 100.0 100.0 loud.0 be 2Go 71.q 82.2 87.7 89.7 94.6 95. 4 97.7 99.2 99.2 99.8 1o.3 1o0.0 100.0 100.3 ICO.O 13.0 GE 1001 71.9 82.2 87.7 96.7 96.6 95. 4 97.7 99.7 99.2 99.8 1Q0r. 100.0 100.0 100.0 100.0 172.U 6E O5 71.9 82.2 47.1 69.7 96.b 95. 4 97.7 99.2 99.2 99.8 13.0 100.0 100.0 100.0 100.0 100.0 --t...... 1OAL NUMPEP OF ORSEA9A 7 ION%: 9q a
GLOBAL CLIMATOLOGY BRANCH PERCENAGE FVReUENCY OF OCCURRENCE OF C1ILlNf, VRSUS VISIBILITY USAFETAC FROM OL'LY OaSERVATIONS AIR WEATPER SERVICE/MAC STATION NUMBER: 722H86 STATION NAME: VAN NUYS CA ILEIO0 OF FCOD: 77-86 MONTH: OL HOUPSILSTI: I8,7-?7O3 CEILING VISIBILITY IN SIIrI WILE9 IN I 7E GE 3E GE GE r7 GE GE GE G E GE GE GE GE GE GE FEEl I 10 6 5 4 3 2 11 21 112/ 11/4 1 /4 /8 1/2 /16 1/4 C NO CEIL 1 55.7 60.4 64.2 65.5 68. 7 64.4 69.4 69.4 69.4 69.4 6.4 159.4 9 69.4 69.4 69.4 69.4 GE 200G01 59.2 64.4 63.9 73.4 74.1 74.7 74.7 74.7 74.7 74.7 74.1 14.7 74.7 74.7 74.7 74.7 GE 180001 59.2 64.4 63.9 7.4 74.1 74.7 74.7 74.7 74. 7 74.7 76 7 74.7 74.7 74. 7 74.7 74.7 GE 160001 59.2 64.4 63.9 70.4 74.1 74.7 74.7 714.7 74.7 74.7 74.7 74.7 74.7 74.7 74.7 74.7 GE 14C470 62.4.8.0 73.1 74.9 79. 79.8 79.8 79.8 79.8 79.8 7".A 79.8 19.4 77.V 79.9 74. GE 1201 62.9 68.8 73.7 75.6 79.9 60.5 80.5 80.5 80.5 P0.5 81.5 90.5 83.5 q3.5 80.5 9D. UE 100001 64.4 71.3 75.5 78.5 83.2 83.9 83.9 83.9 83,9 83.9 61.q q.9 83.9 83.9 81.9 9.4 U E 90001 64.4 71.3 75.5 7V.5 83.2 83.9 83.9 83.9 83.9 R3.9 8'.9 95.9 9I. p.'1 8.9 1.39 GE 80001 64.4 71. 75.6 78.6 83.3 84.0 84.0 84.0 84.7 94.0 84.1 84.0 84.2 94.2.3.0 R.u GE 70001 64.7 72.2 77.4 79.5 84.2 ;' '8 84.8 84.8 84.8 44.8 84,.4 84.8 84.8 P4.8 8..H 44.b GE 60001 64.8 72.4 77.6 79.7 84.4 85.1 85.1 85.1 85.1 95.1 6.1 51 85.1 9.I 6s.1 9.1 C 5000 65.7 70.2 71.5 80.5 85.3 95.9 85.9 85.9 89.9 9s.9 a,.9 99.9 85.9 89.9 8.9 o5.9 GE 45001 67.! 74.9 83.4 82.5 97.2 87.8 87.8 87.8 87.8 97.8 87.8 P7.8 87.9 P7.8 97.q 17.8 G E 401 67.7 75.7 41.2 80. 89.3 88.6 88.6 88.6 89.6 88.6 49.6 9.6 8.6 8. V9a b B. GE 35001 6F.7 77.2 8.8 84.8 89.6 9b.2 90.7 90.2 9 92.2 3.2 9 92 J 9 93.2 4.2,,2 " GE 30001 69.s 78.6 84.2 86.3 91.1 91.7 91.7 91.7 91.7 91.7 91.7 91.7 91.7 91.7 91.7 91.7 GE 25001 70.0 92.1 85.8 88.0 92.9 93.4 93.4 93.4 93.4 93.4 93.4 93.4 93.4 q3.4 97.4,3.4 GF 2701 70.5 l.u 87.2 99.4 94.1 94.9 94.9 94.9 94.9 94.9 94.9 4999 94.9 9 4.9 9.3 4. GE Ia 001 70.5 81.2 97.2 89.6 94., 9S. 2 9S.2 95.2 9.2 ". 99.? 1,.2 95.2 19.2 9.2 95.2 GE 1001 70.6 FI.5 87.6 92.J 95.1 95.7 95.7 95.7 95. 7 99.7 9.7 9S.7 95.7 95.7 9',,7 99.7 GE 12001 70.9 81.9 49.2 90.5 9S.b 96.2 96.2 96.2 96.2 96.2 96.7 96.2 96.2 q6.2 96.2 9b. IE 1900 I 70.9 92.5 89.9 91.4 96.7 97.1 97.5 97.5 97.S 97.5 97., 97.5 97.5 97. 97,5 97.5 GE 9011 70.9 R2.6 89.u 91.6 96.9 97.5 97.7 97.7 97.7 97.7 97.7 97.1 97.7 91.1 97.1 97.7 GF 8001 70.9 82.6 89.1 91.9 97.? 97.8 9R.2 98.2 98.2 99.2 9'. 98.2 9q.2 98.Z 99.2 98.1 GE 7lo1 70.q 82.6 89.5 92.4 97.6 98.3 98.7 98. 7 99.1 9897 917 99.7 99.7 98.7 9p.7 96.7 GE 6001 7C.9 82.6 89.5 9Z.5 98.1 q8. 7 99.1 99. 1 99.1 99.1 9q.1 94.1 99.1 Q?9. 99.1 99.1 GE 5 0 1 70.9 92.6 8)*5 92 5 99,7 99.4 99.8 99.8 99.8 99.6 02.4 99.8 99.9 99.8 99.8 99.8 GE 4001 70.9 82.6 89.5 92.5 98.7 99.4 300.0 100.0 100.0 o. o100. 0. 03.0 1OO. 07.J Z 100.0 37.0 GE 3001 70. 9 2.6 81.5 92.5 91.7 99.4 100.0 100.0 100.0 103.0 1o.III 100.U 300.0 lo.7 307.0 1717.0 GE 2001 70.9 82.6 81.5 92.5 98.7 99.4 100.0 100.0 l3o.0 172. 101.9 Io.0 1. 0. 1. 300.0 120.0 G7 1001 7n. 9 82.6 89.5 92.5 98.7 99. 4 100.O 100.o 100.0 170 0 107.0 1710.0 102.0 11a.0 00.0 370.0 GE 21 70.9 92.6 88.5 92.5 98.7 99.4 100.0 100. 100.0 300.0,10. 100.0 1O0.0 170.0 1O.0 100.0 70781 909839 OF SEV 9317........ o... TOTAL NUMBER OF ORSERVA TI3NS 930 wmwm
GLOBAL CLIMATOLOGY BRANCF PERCENIAGE frcgue9cy OF OCCURRENCE OF CEILING VERSUS VISIBILITY USAFETAC FROM OU4LY OBSERVATIONS AIR WEATHER SERVICEI/MC STATION NUMBLR: 722886 $TATION NAME: VAN NUYS CA PErIOD OF PECOPD: 17-86 M(NT : nfc HOURS(LSTI: 2100-2300 CIIN VISIILI Y IN STATUTE MI LES IN I GE 3E 3E GE GE Gr SE G GE L E L b L G G GE L FEE 1 10 6 5 4 S 2 1 /2 2 1 12 1 1/9 1 1/4,/8 /l '/Ib 1/ 1 Nn CElL I 56.3 62.9 66.9 68.1 71.1 71.8 72.7 72.9 72.9 72.9 1..9 12.9 12.9 72.9 7'.9 72.0 GE 200001 58. 1 65.2 63.9 71.1 75.1 75.2 76.2 76.5 76.5 76.5 7. 76.5 7b.5 76.5 76.S 7 t. SE 180001 58.1 65.2 69.9 71. 75.1 75.2 76.2 76.5 76.5 76.5 7s. 76., 75.5 76.5 76.S 71.5 GE 160001 58.1 65.2 63.9 71.0 75.1 75.2 76.2 76.5 76.5 76.5 71,5 6.5 76.5 76.5 It.S 76.5 GE 14CO1 60.6 68.5 72.9 74.9 79.4 79.5 8076 80, 80.8 9.8 S. q 0...A 3... 8.9 2,98 Gf 120001 61.0 68.9 77.8 75.4 79.8 79.9 51.0 81.2 81.2 m1.2 h. 91.2 81.2 91. 2 81.? 91.2 be IOOC1 62.1 70.7 74.6 77.2 81. 82.0 83.0 03.3 83. 91. '.3 91.3 3.1 A1.3 8.1 t3.t SE 9000 1 62. 1 70. 7 79.6 77.2 81.9 Az. 0 a81.0 03. 3 83I.1 01R.3 9. -1 T. 3 91s. 3 93.3 a9. 3 P s.3i GE 8000 62.3 71.3 75.2 77.8 82.4 82.5 83.6 01.0 83.8 91.8 9'.9 A 1.9 81.9 3.8 8T.9 83.8 GE 77000 62.9 72.4 75.2 78.8 83.5 83.6 84.7 84.9 8.9 94.9 84.9 99.9 99.9 P4.9 84.9 94.9 6E boo01 63.2 72.8 75.7 79.1 81.9 84. 0 85.1 85-3 85.3 95.13 -%. S3 A 05.3 b.1. 95.3 SE 50001 63.9 73.7 77.5 O.1 84.8 R4.9 86.0 86.2 86.2-6.,.2 '6.2 96.2 'b.2 86.2 A6.2 GE 45001 64.7 74.5 73.5 8.11 85.7 85.9 86.9 87.1 87.1 97.1 A,1 97.1 I 7.1 7.1 a7.1 97.1 GE 40001 65.0 74.9 70.9 81.5 86.2 86.3 87.4 87.6 87.6 87.6 67. 6 H7.b 878.6 7.6 87.6 97.6 UE 35001 65.8 76.2 83.3 82.9 87.6 87.7 88.8 89.0 9..0 9. 99.0 A9. ' 99.) 89.0 -;. EC 30001 66.0 76.8 81.1 83.7 88.3 98.4 89.5 69.7 89.7 n9.7 A9,7 p9.7 89.7 99.7 89.7 89.1,F 2071 6, 1 77.5 9?.0 89.6 89., 99.3 90. 90. 6 90.6 90.6 7.6 90.6 93.6 0. b 9c.6 9.t GF 2 001 66.P 78.6 81. 86.3 91.1 91.1 92.3 92.5 92.. 92.5 9..5. 92.5 92. 92.5. 92.5 6F 1-W7l b7.2 79.3 04.D 86.9 91.9 92.0 93.1 93.3 91.3 93.3 91.9 9T. 91.3 91.1 91.1 91.1, V 01 67.6 79.9 95.2 80.2 93. 93.b 99.7 94.9 94.9 99.9 99.9 94.9 94.9 94.9 94.9 99.9 Sf 12001 6R.I 0.7 85.2 89.3 94.6 94.7 95.9 96.1 96.1 96.1 ').. 6.1 9b.1 96.1 96.1 96.1 6E 17001 69., 81.5 073 90.5 95. 95.9 97.4 97.6 97.6 97., Y7.6 97,b 97.6 97.6 97.6 97.b GE 9 U,- 69.3 R1.5 87.3 90.5 95.8 95.9 97.4 97.6 97.6 97.6 '1.6 97.6 97.6 97.6 97.6 97.6 GE 8COI 6.' P1.6 87.4 90.9 96. 96.7 98.2 98.4 98.4 98.4 9.4 99.9 99.9 96.9 98.4 96.9 LE 72I0 68.13. 7 87.7 91.5 97.1 97.2 98.7 99.9 98.9 "1,9 9.9 9A.9 90.9 98.9 9P.9 99.9 GE 6(01 69.3 I1 81 91.6 97.' 93.3 99.8 99.11 99. ) ".0 98.n 99. 99.7 ) 9.0 99.0 99. U,E SIA'I 69.3 q.7 87.9 91.0 97.7 97. 99.9 99.6 99.6 90.6 9.6 99.6 99.6 99.6 99.6 99.b 6, 6o0l 69.1 R.c 87.9 91.8 97.7 98.1 6 99 99.8 99.9R 99e 9.9 99. 99.8 99.8 99.8 99. 6F 3011 6.3 A2.0 97.9 91.0 97.1 98.1 99.6 99.8 99.8 9.8 99.9 99.8 99.R 99.8 99.0 99.8 (I E 71 69.3 P2.; 87.9 91.S 97.7 98. 1 99.7 99.9 99.9 99.9 9-.9 99.9 99.9 99.9 99.9 q9.9 1,F 20O1 68., P9.c 87.9 91.8 97.7 98.1 99.7 99.9 99.9 99.9 9q90 99.9 99.9 99.9 99,9 99.9 b, 1I 69.3 92.E 47.9 91.8 97.7 98,t 99.7 99.9 99.9 9.9 99.9 99.9 99.9 99.9 19.9 1"3.3 19101...UM,,,..*****,*..*,*****..0.,,,.,,**...0,,8.,o.,,,,,,o,,0,,o0o.,...I...NS...926... TOTAL NUFFPtv OF OPSfRVATIONS: 92b
LOBAL CLIMATOLOGY 88ANC- PERCENTAGE fr-juenci OF OCCJRPENCE OF CFILI'u, V1 ESLS VISIBILITY USAFEIAC FROM HOU31 OaSfP9ATIONS AIR WEATHER SERVICE/MAC STATION NUM 122886 2: STATION NAME: VA NUYS CA PIOD OF RECORD: 77-86 Of,6TH: PEC HOURS LSI : ALL CVLING ISIILY IN STATUF MILES IN I GE GE OE GE GE G- GE GE GL GE rl G L GE GE GE 6E FEET I 0 6 6 4 1 2 112 2 1It? I2 I 1 /8 I/Z 5/16 1/4...,.......,............,..................,..,.,............ NO CElIL I 51.P r-9.1 b3.5 61.9 64.9 65.2 65.7 6%.9 6b.0 66.1 f.e,.1 66.1 6b.1 66.1 b6.1 GC zocoi 5,7.1 64.3 66. 68.5 71.; 72.2 72.9 73.1 13.1 73.2 7'. 71.2 73.2 73.2 73.2 73.3 GE 180001 59.2 64.1 65.8 68.S 7 1. 9 72.3 72.9 73.1 73.2 73.2 7? 73.2 71.3 73.3 73.3 73. 3 G3 163001 59.2 64.1 65.8 68.S?7.9 12.3 72.9 73.1 73.z 73.2 71.2 77.2 73.3 73. 3 7J. 3 73.1 GE 14701 62.6 68.2 1".3 73.0 76.9 77.1 77.9 78.1 78.1 79.3 7P.3 78.3 79.3 78.3 78.3 76.3 GE 2oo1 63.3 68.8 11.7 73.6 77,5 78.3 79.8 79.1 79.1 79.2 79.2 79.2 79.3 79.3 79.3 71.3 GE 1000 64.9 71.3 78.4 76. 4 8 0.5,. 9 81.7 82.0 82.0 82.2 pi.? 92.2 82.2 92.2 82.2 92.2 fe 90001 b4.9 73.1 74. 76.9 87.5 90.9 81.7 82.0 82.0?.2 62.2 92-2 82.2 R2.2 8,.2 92.2.E 87O1 65. ' 71.7 74.8 76.8 80.q 93.1 82.1 82.4 82.5 92.6 62.6, 92.6 82.6 82.6 82.6 P2.. G F 3 b5: 65.4, :.1 75.2 77,/ 81.3 1J.7 82.5 82.8 82.9 913 6 b.1 9.0 83.3 930 p1.0 93.0 6E 67001 65.6 72.4 76.5 77.5 81.5 82.0 82.8 83.1 83.2 A3. 6.3 1.3.833 9 3.3 83.3 83.3 r.e 50001 66. c 71.1 75.9 78.4 82.6 83.0 81.8 84.1 84.2 94.1 84.1 94.1 8. 3 84.3 84.3 84.4 GE 4 03I 67.3 71. 17.5 79.5 83.7 89.1 89.9 85.2 85.3 85.9 8.4 95.4 85.9 85.4 8,.4 95.5 LE 401Or 67.6 74.7 11.9 83.0 84.2 P4.6 85.5 85.8 85.8 95.9 f,.9 8.9 86.3 p6.0 86.3 86b. be 35001 68.3 75.8 71.0 81.2 8S.4 85.8 86.7 86.9 87.0 A7.1 87.1 87.1 87.2 97.2 87.2 91.2 GE 1700n 69.3 77.2 81.6 82.8 87.1 97.5 88.4 88.7 88.7 98.8 8a. R 88. 88.9 88.9 88.9 88.9 E 25O1 70.0 78.2 81.7 84.0 9.4 98.8 89.7 90.0 90.1 q3.2 91.2 93.2 93. 91. 3 go.3 90.3 Of 2GUoI 70.5 79.1 83.3 85.9 90.1 90.5 91.5 91.8 91.9 92.1 92.1 92.3 92. 92.1 92.1 92.2 GE 1917 1 73.7 79.4 81.3 85.7 93., 90.9 91.9 92.3 92.3 2.5 9.5 '2.5 92.5 02.5 92.5 92.6 GF I;O01 77.8 79.7 93.8 A6.1 91.1 91.7 92.7 93.1 91.31 0.3 9. 3 91.3 93.4 q3.4 9 3.4 93.5 E 12001 71.1 83.2 88.5 87.j 92.- 92.5 91.7 94. 1 94.2 99.4 949 4 94.4 94.5 94.5 94.s 94.5 GF 19l0 1 77 9;.7 85.1 R7.9 93.1 1.9 94.8 95 3 95.4. 95.8 9 R 95.8 95.9 Q5.9 95.9 95.9 G(E 9U71 71. 3 80.8 85.2 88.0 93.1 93.6 96.0 95.6 95.7 6.I1 9('.1 96.1 96.2 96.2 96.2 96.2 t, C P UP 7I1. 80.8 1S.3 88.3 93.6 91 95.6 96.3 96.4 q6.9 96.9 96.9 96.9 Ob.9 97.3 97.0 Gf 701 71.1 90.9 86.6 88.6 94.7 14.5 96.1 96.8 97.0 97. 97.5 97.6 97.5 5 97.5 97.5 91.6, 6001 71.3 q0.9 8 3. 88.7 98.2 94.7 96.4 97.1 97.2 97.8 97.9 97.9 97.1 97.9 97.9 9h., GE,On1 71.3 91.0 86.7 88.7 99. 1495.0 96.7 97.5 97.7 98.2 99.4 99.4 99.4 8. 9.5 8. GE 4031 71.7 83.0 8,.7 R8.1 94.4 96.3 96.7 97.6 97.8 99.5 99.7 98.7 98.7 98.1 98.7 99.8 GE 3001 71.3 81.0 86.7 88.8 94.', 95.1 96.9 97.9 98.1 98.9 99.' 91.2 99.2 99.2 99.3 99.4 F 2001 71.3 81.0 86.7 88.8 94.5 95.1 97.0 98.0 98.2 99.0 99 T 9.3 9 9q. 99.8 99.% 99.6 re tol 71.1 91.0 85.7 88.8 94.5 95. 1 91.0 98.0 98.2 99.0 Q9.4 99.4 99.5 99.5 99.5 99.1 GE 0 1 71.; 81. 85.7 88.8 94., 95. 1 97.0 98.0 98.2-9.C 90.4 99.4 99.5 q9.5 99.6 100.0 308L NUMPER Of 0P68VAII3NS: 51 1
GLOBAL CLIMATOLOGY BRANCH USAFET AC AIR WEATHER SERVICE/MAC PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VFRSUS VISIBILITY FROM HOUTLY OBSERVTITONS STATION NUMPER: 722886 STATION NAME: VAN NUTS CA PEQIOD OF RECOPD: 77-R7 MfNTl7 : ALL POURSILSTI: ALL CEILINGBIIlIY175AJTMLC IN I GE GE SE GE CE GE GE GE GE GE E G SE GE S G Sf FEET I 10 6 5 N 2 112 2 1 1/2 11/4 1 '/ ; /6 112 5/16 I/4 G......,...,.................,....,..................,............ * PO CEIL I 50.5 60.3 61.4 65.4 67.9 67.9 68.2 64.3 64.7 6B.4 6.4 61.4 69.4 68.4 6.4 68.4 (, 200U I 53.1 63.N 65.6 68.8 71.3 71.N 71.8 71.9 71.9 71.9 71.9 1.9 71.9 71.9 71.9 7z.0 F.E IRa3C3 53.1 63.4 6.b 63.8 71.1 71.4 71.R 71.9 71.9 71.9 71.9 71.9 77. 72.0 72.0 Tz.C Ut 16T001 53.1 63.4 5.6 68.8 71.3 71.4 71.6 71.9 71.9 71.9 71.Q 71.9 7?.T 72.D 72.Z 72.0 GE 14?001 59.4 65.2 4?.6 71.9 74., 7N.6 75.0 75. 1 75.1 75. 2 7 75.2 75.2 75.? TS.2 7. GE 12CO I 55.A 66.7 73.1 72.N 75.1 75. 2 75.6 75.7 75.7 75.9 7. 75.8 75.N 75.8 75.B 75.4 E O00o01 56.q 68.2 71.7 74.1 76. 77. I 77.5 77.6 77.6 77.7 77.7 77.7 77.7 77.7 77.7 T7.7 FE 90004 56.9 68.2 71.7 74.1 76.4 77.1 77.5 77.6 77.6 77.7 77.7 7.7 77.7 77.7 77.7 77.7 07. 82C0L 57. 68.6 7?.1 74.5 77.3 77. 4 77.9 78.0 78.0 78.1 71F.1 74. 1 78.1 78.1 79.1 76.1 L, r 7 Oi 57.3 68.8 77.3 74.7 77.; 77.7 78.1 78.2 74.2 79.3 7'. 79.3 79.3 78.3 7A.3 78.3 GE 67(T 57.5 69.? 77.5 75.2 77.7 77.9 79.3 7M.4 77.5 78.5 7 5 7q.5 79.5 78.5 7q.5 76.5 07f 50005 5R.3 69.9 715 76.0 77.8 78.9 79.3 79.5 79.5 79.5 7'i.S 79.5 79.6 79.6 79.6 79.6 IE 450 591? 1.0 74.6 77.1 79.9 9o.1 811.5 80.4 80.6 81.7 8Q.7 PE.? 42.7 S0.7 80.7 5.7 G 420n1 60.0 71.9 75.5 78.3. fa.9 81.0 81.5 81.4 81.6 91.7. 81. 7 81.7 71.7 81.7 RI.7 GE f 31 1 61.? 73.4 77.1 79.b 82.4 82.b 83.0 83.2 43.2 MT.? F!., 91.2 83.3 3.3 83.3 93.3 k1 323 I4 61.7 75.9 7).7 72.3 B. RS.N 85.9 86.0 86.0 p6.1.1! 86.1 86.1 86.1 86.1 86.1 tf 21001 64.? 77.9 81.5 8.2 87.1 81.4 87.9 88. 1 84.1 A9.1 6.? 98.2 B8.? So. 2 SR. 8.2,E 2" 0' 64.9 19. 83.7.4. 90.? 9U.2 90.7 90.9 93.9 91.0 q1.? 91.0 91.0 91.0 91,0 91,0 77 194cc 64.9 79.5 84.I 7.2 90.s 9G. 7 91.2 91.4 91.4 9.5 91, 91.5 91.5 91.5 91.5 91.5.i. 1Vi01 6'.2 RJ.- 85.2-9.t 9?.? 92.4 93.0 93.2 93.? 93.3 97.1 93.3 93.3 93.3 93.3 93.3 u I I 01.1 93.H 85.3 99.b 97.' 93.9 94.6 94.8 94.8 99.9 94.) 99.9 94.9 94.9 94.9 94.9 6T 1'u7I s.4 91.1 4.4-4.1 94. 4 Q4.8 95.7 95.9 95.9 96.J.7 06.1 96.1 96.1 96.1 96.1 (,7 9:Ti;I t,a. 4 A1.2 as.5 9., 94. 7 95.2 96.1 96.4 96.4 96.6 96.4 96.6 96.6 94.6 96.b 96.6 Sf Rc ri 6s.4 a 1.2 as. b 92.5 95.7 9.6 96.8 97.2 97.2 97.4-7.9 97.4 97.4 97.4 97.4 97.4 f 7574 V.4 R1.1 15.7 91.b. 95.9 97.3 97.7 97.7 97.9 9q.0 99.0 94.0 98.0 99.0 98.j uh 1 7-. 1 4.I. 95.9 90.7 9.S 76.1 97.6 99. 1 98.1 94.3 9.1 99.3 98.3 93.3 99.4 97.4 0,7 I bs.ci P65.1. a 7.9 9O.8 95.I 9b. 97.9 98.6 98.6 98.9 99.1? 99.0 99.0 99.0 99.0 99.0 UL 4 GO 1 6U. 4 1. '4,.9 93.8 9. 96.4 98.0 98.7 94.8 9 1.2 9. 3 99.3 99.3 99.3 99.3 99.3 9 f ulo 65.4 AI,. 86.9 s. j. 9 '6.5 97.1 98.9 99.0 99.5 9.5 99.5 99.6 99.6 99.6 99.6.7 2co- 65.4 01.1 9. g 90.1 9'. 96.5 98.2 99.0 99.0 9.5 9q.6 99.6 99.7 99.7 99.7 99.7 If' 1 6' 4 -. 965 J.9 911. 4 96. 5 98.2 99.0 99.0 99.5 99.6 99.6 99.7 9.7 99.8 99. 8 "1 1 6'.4.7 S. 9_9 9.b 96. 5 97.2 99.0 99.0 09.5 99.6 99.6 99.7 99.7 99.8 100.0.........,...7............... o.... o..
ULOSiAL CLIMA70OGYO BRANCH PFR CE4 TAGE FREQ UENCY (IF OC CURRE NCE 0F SVyy COnVE R USAFETAC FROM I"OIJLY OBSLRVATIONS AIR WEATHER SERVICE/MAC STATION NUMPER: 7,12886 ST AT ION NAME : VAN HERS CA PECPO10 OF RECORD: 7A97 MONTI-. JAN PER CEIITAGE FREQUCNCY OF TENTHS OF TOITAL SK Y COVI R HOURS I TOTAL tisilli U 1 2 1 II 6 7 P 9 10 MEANi lot 03-0S 39.0 [l. 0 15.4 52.5 5.). 06-08 38.3 11.1 19.31 25.?7 4.93 j 09-1 I 31.0 11.9 214.1 217.3 S. 4 914 25.2 2b.0. 5 q1 4 12-14 25.2 23. 6 15-1? 25.9 21. 1 29.0 24.0 5.6 929 18-20 I 35.1 19. 3 23.0 22.1 4.? 914 21-23 3 8.8 3 lb. 7 18. 3 21. 1 4. 3 92)9 TOTALS I 38.1 16.4 22.0 25.5 5.1 15527 S TAIOVN NU M 9ER : 7?22R886 STATION NAME: VAN NUTS C A PFU.100 OF RECORD: 78-97 MOTH: FEB PERCE4TAGE FREQUENCY OFE TECHNS OF 03OAE SKY CORER I-OURS I IESTI I f I 2 1 4 S 7 9 9 10 ME AN V Gr-V2 I TOTAL OhS CT3-US 45.9 11.89 20.2 22.0 4.4 129 06-08 11 3.4 226 19.5 26.6 5.1 149 Lq- Il 1 217.8 208 24.2 22.2 5.65 82 114 Is 2.8 201 31.0 23. 2 5. 7 8217 1Is-IT 1 22.3 20. 6 35. 3 21.7 6.3) 83 3 18-20? a8.5 23.89 25.6 22.2 5.2 924 2 1-23 I 39.8 19. 9 20.2 20. 1 4. 4 81 1 T AES I Ts0. 1 1 2N.I 23. 3 56.7 4972'...... -.4
GLOBAL CLIMATOLOGY BRANCH LSAFETAC AIR A[AT-PR SERVICE/MAC PERCEIAGE FREQULNCy OF OCCURRENCE OF SKY COVLR FROM HOUNLY OBSERRAIIONS STATION NUMTTER: 722R86 STATION NARE: VAN NUTS CA PE'IOD OF RECORD: 78-R7 MPNTH: -AR PERCE4 TAGE FREQUENCY OF TENTHS Or TOTAL SRY COVER FOURS I TOTAL ILST) I 2 1 2 3 N 9 6 1 A 9 13 MEAN OB.o**,,*,...,.*.,..,,...,..,,*o* *,,,,... *..,..,,o,... **.......,,,,.,.,.,,,......,...,,...,,. CP-02 1 03-OS 43.1 9.8 1N.b 32.9 N. 121 06-nS 32.9 18. 3 1T.R 35.3 5Z. 909 09-1l 28.3 17.9 22.5 31.3 5.? 9t 1;-AN 21.4 I 19. 6 31., 27.5 6.2 92! IS-T 1 23.4 20.6 34.1 24.4 6.1 921 18-20 29.0 21.9 29.5 0.7 5.3 92 21-2 I R.1 1 21.0 17.9 20.1 4.2 906 TOTRES I T.9 0 1A.N4 23. 3 21.4 4 54g, %TATInN NUMMLR: 722R86 STATION NAME: RAN NUTS CA PEPIOD OF RECORO: 7q-8? MONTF-: APR..........,,.,.,,,.,,,o......,,..,,...,...,,,.,,. o....,.....,,.....,.......,. PFRCEOIAGE FREQUENCY OF TENTHS OF TOTAL ISY COVER HOURS I TOTAL LST) 1 I 2 5 4 S, 7 N 9 10 MEAN oes...,,...................... *,,,, * *,,...,...,........,. *,,...o,...........,,o....... 00- I C;'-OS 4R.7 1P. 13.6 26.5 4.1 132 06-rR '6.N l.4 16.5 N0.6 5. R16 00-Il 74.1 IF.6 25.2 22.1 5.3 sbr 12-I I 2.5 273.z 26.3 I.O 4. 94N 1S-I?.R 2. 1 1.6 12.3 4.9 R&9 1q-20.l 22.8 25.3 12.8 4. 2 8 8 11-2! I T.? 1P.2 14.5 16.1 3.4 a20 TOTALS I!.2 9N.2 21.9 19.R 4.5 5231..............................................................
flohal CLIMATOLOGY {VANCH USAFETAC AIR WEATHER SERVICE/MAC PERCETAGE FREQU'ENCY OF OCCL'RPELNCE OF 54y COVRT FROM HOUOLY OBStRViIONS SA1ION NUMFIR: 7229886 STATION NAME: VAN NUYS CA Pkr loc OF RECORO: 77-86 55T11H: 'A9... ;..; ;,; ;";; I ;; Z";: ;,;... PEV CE93A5E FREQUENCY OF TENTHS OF TOTAL SKY COVER HOUS I T0!TL LST) I 1 2 1 4 5 6 7 0 9 j0 "(A*4 Cl-S,.....,.......................... o.................,..... c3-o5 31.0 14. 4 7.9 46.8 3.S 7 06-08 27.9 13. 9 15.5 f 2.5 51 b. 1 09-1l 30o2 20. 1 22. 4 27. S 1. 3 R44 12-14 34.2 22.0 25.7 18.1 4.3 91, 15-11 _ 38.6 25.2 23. 4 i.9 4. 18-20 I 4.2.2.6 18.5 12.7 3.5 41 21-23 59.4 10. 8 10.8 18.9!.2 7;,t- TOTALS 38.2 1R. 4 17.8 25.6 4. 7 St II STATION NtMEtq: 7729R86 STATION NAME: VAN NLYS CA PERIOD OF 4CORD: 77-R6 MONT-: jun PFRCE8TASE FREQUENCY OF TENTHS OF T01AL SKY COVER HOU0S I TOTAt 31573 I 1 2 3 4 6 7 9 9 1 "(AM L of,........,.,... o..........,,. o...o...........,, o,...,..... o.....,... 3- us 42.2 12. 7 6.9 18.2 4.8 2L4,6-08i 34.4 10. 9 12. 7 42.3 5.7 S 43,-9II 39.3 '.0 16.3 74.4 4.5 741 17-14 50.0 21. 3 7. 3 9. 7 3.2 744 15-17 62.2 19.1 14. 7 4. 1 2.3 334 18-20 67.1 17. 5 9. 3 b.0 2.) 9 79 23-23 74.2 111.5. 1.8 737 TOTALS I 52.8 16.4 11.S 39.9 3.5 4986..........
SICHAL CLIMATOLOGY BRANCH PFRCELTAGE FREQUENCY OF UCCUROPCC OF f.,k y vrp USATEIAC FROM HOU7LY OBSLRVATIONS AIR weather SERVICE/MAC STATION NUMBER: 722SB6 STATION NAME: VAN NL YS CA L ]01 or ECJPO: 71-Ry 'NTH : JUL.................,................. I,.........,...*... PERCEIUAE FREQUENCY OF TENTHS OF TfCTTL SKY C(OVLR HOURS I i 16. IEST I I I 1.1 2 6 7 A 9 1? -ia. -..,,..,...,. *. *,....,,...,,, *..,,..,,,,........... *.,*........ *.... rc-02i DI-05 SVJ h 16. 9 6. 4 18. 7.- L6-c8 S 0.3 21.1 10.6 14.3 1. fla- I I S7.7 2S.9 9.6 b.8 2,7 V 12- I 8 V.5 I.6 8.6 1. 1 1.5 qf 1-17 71.7 18. 1 m.9 1.3 1.s ql 8-o Z.4 1. 3 7. 1.6 1.4.,.1-2 A 1.6 11.3 S.3 2.1 1.3 7 TOTALS I S.7 IF. 8.2 7.5 2.31 03 STATION NUMPER: ZZ t86 STATION NAME: VAN NUYS CA Fq3IOD OF RECORD: 7 7-Rb M ONTI4 : AUG.............,,.,,.,...........,...,......... PERCEITAGE FREQJENC OF TENTHS OF TOTAL SKY COVIR FOURS I TO IA L (L. I I p 1 2 1 N 9 6 7 R i "LA4 (IrS.....,.........,,...o.,...*,,., *,...,,...,...,...,...... *..........,-...,.......... O-fl I 5T-5 1 5211.8 13.2. 2S.49. 1 n 6-08 4 N.0 It.?7 11.6 26. 4. 92 02-. 1. 11.b 14.4 7bb I-I I 64,7 1 R.5 0.5 1., 3. IS - 17 66.4 '.9, N. $.1.7 q 14 18-20 65.0 72.8 9. 1.4 1. 920 21-2T 74. 1.. 7.7 6.7 IA i T. 4 1 2.TS 2. 5 1 -....... I I......... i..........
0 L10'.A LCIL I"A8I7L3C 1,yIA 4CH 4 C IIATA5E [ RET.ILNCT FIF OLCURR[5NE 2f Y4 0 V f AI C AC FROM HOL' LT OBSiRVATTO N S A T A ArJT' " 6alvrt/MAL A IITCrN N4U"PL4: 72285 TAT lo. 444[ VAIs NUYL CA AOI f[c CF LC3P: 1 '-5 F' N T 11 : P...,...............,................................... PERCLqI A3E FgpEQL NCY OF TENTHS of TrITL S.. COlO 1-fl~u-S ILS I I 1 1 4 6 7 ' 4 1 [A4 Qv! 11. f,5 4.o. 13. 4'. Q; IS-IT I 27.3 1.. J.1 19.4 7 7 - S 17. 14.8 4.8 2.8 8 21-23 66.1 12.7 Q. 5 11.6 2.4 710 TOTAl S I 48.2 11.3 1S. 7 17. 7 F. I ",FAIION NLTFLO: I2.4H6 STAT1)N NAME: VA NUYS CA 'rl 1 01 O [C0O: 71-86 24NT: OCT PFCTATAGE FPEQJENCy of TENTHS OF 1017L W7 COVLR TOU- t TOTAL I ST I I 4 6 7 A 8 Ic -(A 0.*......*..........,......,. o... *..,.........,,.................... r,-cs I 61 3 8. 7 '2. 7 3. 14 6b-8 4l.U 17.1 15.8 25.5 4.5 71 oq- I I 78.n 16.3 76.0 17.2 4. 5 37] 17-1 4 40.0 23.7 7.0 9.4 4.1 02' 11-17 I 42.2 24 4 2.0 13. 3 3.1 a I 18-20 49.1) 2.7 16. 1 10. 3,. 861 21-211 597,? 11. 7 9.6 17.0 2.1 707 TO T F7.3 I 46ll 18.0 15.2 1.7 5129.......r... II..............
GLOBAL CLIMATOLOGY BRANC USAFETAC AIR WEATHER SERVICE/MAC PFRLLIIAE FREQLENCY OF OCCURRENCE OF SKY COVER FROM HOU;LY OBSERVATIONS STATION NUMBER: 722986 STATION NAME: VAN NUYS CA PERIOD OF RECORD: 77-86 MONTH: NOV..................... o......... o......... PERCEITAO FREQUENCY OF TENTHS OF TOTAL SKY COVER HOURS I TOIAL ILS ) 1 0 1 2 3 4 6 7 8 9 10 MEAN OBA...o......o......... UO-02 ot-cs 61.9 1. 4 6.8 16.9 2.7 119 06-08 A3.b 21. 1 12.8 22.5 k. 791 09-I I 39.5 24. 4 17. 3 18.9 4.2 8 7 T 12-14 34.6 25. 3 24.1 16.0 4.S A72 15-17 31.5 28. 5 26.1 13.9 4.5 p7 19-20 45.1 20. 1 19.4 12. 3 3 7 Rb6 21-23 5.7 15.8 I.0 15.1 3.0 847 TOTALS 44.8 21.8 16.8 16.5 T.8 52z STATION NUMBER: 122886 STATION NAME: VAN NLS CA PRIOD OF RECORD: 77-86 MONT : DEC................ *..........I... o.................................... PEREEVTAGE FREQUENCY OF TENTHS OF TOTAL SKY COVER HOUR$ I TOTAL I ILSTI 1 1 2 3 4 S 6 7 8 9 I0 MEAN O6.................... o... o......... 00-02 1 ET-O5 I 4. 1.. T.8 24.1 7.5 116 0b-A 40.5 1. 1 18.9 21.5 4.4 79 09-11 I 77.7 16. 8 25.6 21.9 S. 8 94 12-14 I 9.6 72. 7 31.0 1b.7 5.1 886 I5-IS 28.4 25.6 27.4 18.5 5.1 87 I1-20 4 1.7?3.5 15. 7 19.0 4. 9 4,4 21-2 3 52.1 17. 12.9 17.6 3Y. 9b TOTALS 40.0 2(9............
6LOBAL CLIMATOLOGY BRANCH PERCLITAGE FREQUENCY OF OCCtJu ENCE OF SY COv-R USAFETAC FROM HOURLY OBSILVE IONS AIR WEATHER SERVICE/MAC STATION NUM9ER: 772886 STATION NAME: VA4 NLYS CA 'E 11Oc Of RECOPD: 77-47 MrNT-: ALL PERCEI TAGE FREQUENCY OF TENTHS OF TOTAL SKY COVER HOURS I TOTAL (LST I1 0 1 2 3 4 C 6 7 8 9 1n ECA4 OtS... o...... o... JAN ALL 3.1 18.4 2.C 25.5 S.1 5557 FCE 31.6C 2C. 25.1 23.3 5.2 4372 MAR I 0.9 18.4 23.3 77.4 5. 549 t APR 39.2 19.2 21.9 19.8.5 21 MAY j f,.2 18.4 17.8 25.6.7 5310 JUN 52.8 16.4 11.5 19.4 3. 96 JUL 65.7 16.8 R.z 7.3 2.) s5 ALG 60.1 18.2 9.4 12.3 2.5 5271 se p 49.2 11.3 15.7 1.7 3.7 51.0 OCT 47.3 19. 4 18.0 15, 3.7 51 NOV 44.8 21.8 16.8 16.5 3.3 5223 DEC I 0.0 20.1 19.9 19.9 4.4 5337 TOTALS 4.5 18.9 17.5 19.2 N.1 629 1.............
FPPPPPPP ALLALA1, RPFIARL TIITTITTT IEELEEEEC fppppppp "FA AAA RpRRRppR ITTTTIT 7 [[ IEEFEEfrr pp PP A L A AR R A TT I I PPP PP Lp A L A PRPRIA P TT7 PPPPPPPP A ALLA APAPSAPPAR TT I[CELL PPpppp AAAAL PA R P P I I [1EL pp AR A LA PP R PA IT I p P A? A AL R L TR TEURIIIL PP A AL A P P T I EEEELEE.4 : R917[FEEE
TEMPLRAIJRE AND RELATIVE I-UMIDITY SUMMARILS CLML'LATIVF PERCENTAGE FRLQ..IENCY OF OCCURRENCE OF DAILY MAXIMUM IMINIMU M AND MEAN) TEMPFRATURES PERCENTAGE TALULATIONS PRESENTED BY S-DEGREE FA-RENFEIT INCREMENTS PLUS TBfI MEAN, STAND DEV- TATIONS AND TOTAL OBS. PVATION COUNT. THE MINIMUM TA4LI. ALSO INCLUOLS A 33 DEGREE FAHRENHEIT VALUE. SINCE MANY STATIONS/SIITS DO NOT PAVE MAXIMUM/MINIMUM TPESE TEMPERATURES WERE SELECTED BY SCAN- NING TVE FOURLY O8SERVATTONS FOR THE HIGHEST AND LOWEST VALUES. SIATSTICS DO NOT INCLLDE INCOMPLETE MONTHS. FOPE OP MORE COMPLETL MONTHS ARE REQUIRED FOR COMPUTING LXTREME MAXIMUM AND MINIMUM VALUES DATA DERIVED FROM SUMMERY OF DAY DATA. PRESENTED ARE TIE HIGF'FST ILOwESTI TEMPERATURE FOR THE MONTH FOR EACH YEAR. ALSO PRESENTED ARE STATISTICAL VALUES WITI- THE SAME LIMITATIONS MENTIONED TBOVE- AN ASTERIST INDICATES AN INCOMPLETE MONTH. MEANS AND STANDARD DEVIATIONS FOR URY BULB (WET BULB AND DEW POINTI TEMPERATURES DATA DERIVED FROM HOURLY OBSERVATIONS. DATA PRESENTED BY TAL STANDARD 3-IOUR TIME GROUPS VT MONTP, MONTHLY ANT, ANNUALLY TALL YEARS COMAINLDI. PRESENTED ARE MEANS, STANDARD DEVIATION AND OBSERVATION COUNTS. CUMULATIVE PERCENTAGE FREQUENCY OF OCCURRENCE OF RELATIVE HUMIDITY DATA DERIVED FROM HOURLY OBSERVATIONS. SUMMARIZLE By THE STANfARD 3-HOUR TIME GROUPS BY MONTH, MONTHLY AND ANNUALLY (ALL YEARS COMBINEDI. PERCENTAGE VALUES POESINTED IN IT UEGRLE INCREMENTS OF RELATIVE PLMIDITY. ALIO PRESENTED ARE THE MEAN VALUES AND OTSERVATION COUNTS. 0.4
ULOdAL CLIMAIOLOGV BRANCH CUMULAIIVL PERCENTAGE OF OCCURRENCE OF MAXIMUM IrMPERATURES USAFEiAC FROM SUMMARY OF DAY DATA AIR EAT"ER SERVICE/mAC STAJION NUMPER: 722A86 STATION NAME: VAN N'tYS CA P'EIOD OF RECORD: 82-46, 4&-SU, 61... 73; TEMPIFII JAN FLI MAN APR MAY JUN JUL AUG sip OCT NOV DEC ANNUAL SC 1101.2.3.0 GE losj.2 1.3.9 2.2 z.0. GE 1001.8 4.2 5.8 7.7 1.9 1.2 2. 7 6E 951.6 1.7 11.0 16.4 18.9 23.1 6.2 1.1 6.7 GE 9 P.4 3.2 5.7 19.8 43.3 45.1 31.4 14.4 5.1 14.9 GE 65.7 7.1 1.2 11.5 14.U 32.0 66.9 75.6 14.6 29.2 10.1 1.2 25.4 1,F 801 5.Z 7.7 7.7 l1. 27.0 53.0 89.6 92.9 71.5 96.6 21.7 6.1 36.1 (IF 751 15.2 8.8 1 18.2 34.8 41.A 72.5 98.9 99.1 47.1 66.4 39.8 19.4 51.6 fe 711 29.8 34.5 34.1,3.2 6b.8 90.0 99.8 100.0 96.1 f35.9 59.0 7A. 1 66,1 be 651 49.7 52.4 53.9 73.7 87.7 98.2 100.0 99.8 96.8 79.8 59.4 79.6 GE 601 69.0G 73.3 77.5 91.6 98.0 100.0 l1lu.o 100.0 92.9 79.4 90.4 GE 551 F 5.4 90.9 95.U 98.9 100.0 99.T S5.1 97.1 UE 5r 1 95.2 98.9 99.5 99.8 100.0 9.1 99.4 IE 451 99.2 99.8 100.0 100.0 I0.0 99.9 GE 401 99.8 100. 0 IcO.0 GE 351 100.0 100.C..,..,,,,,.,,,.... *,.,.*.,.,,.,. *,..,,,... *...,. *......* MEAN I 64.,4 65.9 66.3 71.0 74.2 91.1 48.0 99.0 96.1 79.3 72.4 66.8 75.6 5u I 9.028 8877 8.092 9.325 8.752 9.706 6.821 6.842 9.99 R.970 9.168 8.192 12.275 TOTAL OBS 6 1 j 559 599 620 644 600 635 634 597 596 566 588 7248 e...
GLOBAL CLIMATOLOGY BRANCH CUMULATIVE PERCENTAGE OF OCCURRENCE OF MINIMUM T-MPRATURES USAFETAC FROM SUMMARY OF DAY DATA AIR WEATHER SERVICE/MAC STATION NUMIR: 722V8b STATION NAME: VAN NUYS CA PERIOD OF RECORU: 4Z-46. 4P-SOh 61- TLMP(FI JAN FELB MAR APR MAY JUN JUL AUG 5LP (CI NOV DEC ANNUAL....................... o.......................... GE 2.2.3.0 G.L 751.5.9.9.5.2 (E 7..6 1.7 5.2 9.5 5.2.8.5 GE 651 1.7.f 1.5.9 6.7 25.7 29.0 21.1 I.? 2.13 E 611 3. 1 2.5 1.u 3.1 5.1 30.5 63.1 66.4 5. 24.3 7.2 1.9 2.4 L 55 8. 7.7 5.7 15.2 35. go.976.3 TM.5 P.. 4.1 22.4 5.6 "1.I GE C1 24.9 27.9 29.7 S5.1 78.I 92.5 98.9 97.8 94.5 78." 46. 22.4 "!. GE 4-1 49.5 56.9 66.1 p3.9 95.0 9R.A 99.8 99.8 q9.7 94.1 75.3 5.9 81.2 GF 411 75.6 V5.7 9 0. 97.7 99.8 100.0 1 00.0 10O.U 16.0 V.T 9j.1 79.d ',3 GF 1r51 89.3 95.5 98.6 f0.u I 100.0 99.9 98.8,5.2 p,.2 b f 331 93.4 97.6 99.3 l1'0.j 99.8 56.4 44.9 GE 3CI q6.9 98.9 OO.5 flo.0,9.5 99.b (,E 253 09g. 100.0 1 c.o Ios.0 61: 211 100O.5 c 10 7 MEAN I ~445 45. 444 N 2. 6.,?6.2 99 54. 199. 46 5. 5U 3 7.757 b.392 5.313 5.381 4.635 5.419 5.220.736 b.27 6,4T3 7.112 b.34 3 R.b78 TOTAL 085 I bpi 559 599 620 644 600 b3s 634 597 59b S66 5R8 74A...,.,...o.,...,...,......,......,....
GLObAL CLIMATOLOGY PRANCH CUMULATIVE PERCENTAGE OF OCCURRLNCE OF M[ A& ILMPLROIURES USAFETAC FROM SUMMARY Of DAY DATA A5 T ATHEP SERVICE/MAC STATION NUMPER: 722886 STAIUN NAME: VAN NUYS CA 1LPO Or RLCORD: 42-46, 4.9-S, 61 T E"P I F I i JA 5 F[E MAR APR MA Y JUN JUL AUG SEP OCT NOV DEC AOt. UAL....................................................... o... f, 'si.2.0 U[ 9 )1.7 :6.6 3. UC F 51.2 2.2 3.1 6.1 6.2.5 1. E,[ B-l.o I.1 9.7 19.1 19.7 T4.3.q.5 6.2 GE 751.2.5 2.4 't.8 19.8 51.1 '5, 4 19.L 14.6 3.5.2 1 b.,[f 7rl 3.3.t 1.3 9.8 15.2 N3.? 95.0 P8.6 57.7 55.9 11.0 1.7 31.2 (,E t. I a.c 10.J 8.5 Z5.8 38.5 76.7 99.2 Q9.7 93.0. 63.1 2b q 75 47.I GE (, 21. 27.?.2 55.6 75.6 95.7 100.0 100.0 'b. 90.9 55.7 23.R8 65.3 GE[ 551 52.1 58.9 62.5 85.5 97, DD.0 12U0 )8.5 92.7 59.5 63.5 8 CE 5[cI 7b. 86.2 91.1 98.1 100.0 99.9 91.3 66.o0 95.8 G, 49 I 91.L 96.8 99.5 99.6 130. 0 130.0 '7.8 9h.8 GE 911. 98.4 99.8 I0.0 1QO. G 9.8 94.8 G " q15.1. 7 00.0 110.0 1:j.0 GE 301 I00.0 11 0. C MEAN I 59.7 56.[0 S6.o 60.8 63.7 69.3 74.8 75.5 T1.2 67.2 61.0 55.9 651.3 su i 7.192 6. 405 5.967 6.251 5.624 6.684 5.192 5.006 6.6)9 f, o32 6.702 5.850 9.646 TOTAL 085 I 610 559 599 620 644 60D 615 639 697 596 566 588 7248........,.................................. t II IK~~d -- ---- nn
GLObAL CLIMATOLOGY RRANCI,XTREHE VALUES O F MAXIMUM TEMPERATURE USAFETAC IFQOM DAILY OiSRVAT IONSI AIp.EATHEP SERvICL/MAC STATION NUMHER: 722886 STATICN NAME: VAN NUIS CA PLQOIO OF tlo0q: 42-46. 48-S0, b1-b2 73-b- WPOLE OEGREES FAHRENHEIT -M-O-N-T -F-S- ALL YEAq I JAN FEB MAP APP MAY JUN JUL AUG P CT NOV CEC MONTF-S.,,....,.........,.,..........oo....,.......................... o............... T *82 86.2 87 92 103 107 100 IJ9 100 13 77 l9 4 I 82 7q 85 83 90 97 96 108 109 89 76 79 1108 4 5 81 78 84 91 91 100 96 100 103 99-93 46 1U0 102 132 *78 86 91 87 95 106 110 96 84 77 49 67 79 73 89 98 98 99 100 105 95 93 865 1C 5U 81 91 84 92 *86 61 99 84 17 62 88 81 85 96 93 97 100 *104 73 *87 102 IC6 103 103 96 96 88 80 74 80 82 85 88 100 98 100 95 101 880 92 79 ICU 75 86 78 82 74 8 88 *93 99 107 lot 95 86 10, 76 86 81 83 88 98 I9 1O6 110 1 o0 ISA *9q 4 81 11t 77 80 9J 82 8 9 7 91 104 98 1()1 101 91 84 1f08 78 78 79 84 78 100 IUO ]06 104 103 102 96 76 1r' 79 68 79 86 80 94 106 101 93 113 8Q 84 88 LI 3 go 78 84 76 9g 83 93 108 106 *136 1u2 91 as 108 91 78 HS 77 95 91 IU3 101 106 96 90.91 *j 106 q2 75 81, *78 81 87 86 1UO 106 *IJY 91.09 -IS *I09 F3.8r 77 *80 78 94 96 10 TON 139.91 86 *78 lc5 84 80 79 85 91 1U7 98 99 102 TO6 93-79 68 10 7 A 5 *69 *83 82 96 89 102 108 10 92 96 *87 81 100 86 81 90 86 89 93 96 94 100 *90, 88 84 76 100 97 79 76 80 *92 -LAN I 79.0 81.4 82.3 87.1 93.0 97.5 101.3 102.5 101.1 96.1 87.8 8L.7 I77., I 5.7. S.635 T.963 3.643 6.39G 6.126 6.420 4.269 4.4(7 5. s0 5.81 5.494 4.122 2.449 TOTAL OS I 6L0 5sq S99 C20 644 60 635 634 ';97 696 Sb6 588 7248 NOIES S I IASLI ON LESS TE-AN FULL MONTHS) (AT LEAST ONL DAY LESS THAN Z4 ObS C m /
LOHAL CLIMATOLOGY BRANCH USAF[TAC AIR WEATI-ER SERVICL/MAC XTRCME VALUES OF MINIMUM TIMPERATUfiL FROM DAILY ObSERVATIONSI STATION NUMBER: 722886 STATIrN NAME; VAN NIYS CA fltc51d OF RECO8U: 4,-46. 8-SC. 61-62, 73-8;................ W4HOLE DEGRBEES FAHRENH(IIT -M-ON-T -H-5- ALL YEAQ I JAN F E MAP 8 APR MAy JUN JUL AUG 1 fi CCI NOV [LC MON I1Hs. o....o.....o o o..o.. o o................................................. 42 I 34 43.2g 3z 37 37 41 42 89 44 45 T6 17 32, 9 44 IC 43 32 36 42 43 4 48 46 41 35 35 10 45 31 33 32 35 42 44 54 9 45 44 *3 6 5Z C 4 *45 84 37 45 84 48 82 34 2b 88 23 2 33 38 42 46 50 48 4S T6 341 2. 27 (3 25 2 34 37 *40 61 44 6 36 62 3 28 32 42 4 3 48 53-57 73 4*2 49 55 58 59 47 ~ 39 4. 74 4 -I 40 4 45 52 57 56. *4q 42 37 P 75 32 3s 37 39 43 49 *55 52 C 2 47 38 38 j 76 34 48 36 39 50 48 64 6 1 "1 5(I.f. 3*j4 77 38 42 34 44 4 53 50 61 5) 5(' 9 481 4 78 4 5[ 40 44 43 i0 55 60 55 8 54 2 38 A4 7t 1 37 4 ' 40 45 48 52 54 53 54 48 TO 36 51 R a 42 4 U 41 88 45 49 58 5 '518 50 4 7 B 76 81 3 38 8 '4 48 56 56 57 '6 42 48 1 4 34 82 35 42 *4 1 16 47 47 5S 58-7 '4S 9 35 5 A3 *32 37 *40 42 45 52 55 56 t4 '52 3b.398 32 4 36 38 4 3 38 49 55 81 6 1 56 46 4 1 435-35 85 '38 $36 36 46 48 51 60 53 ST 46-34 31 31 86 42 33 4C 47 49 56 56 58 *47 46 42 37 33 87 35 34 37 45... ~ ~ ~ ~ ~ ~ ~ ~ ~,,, ~. 5.. "LAN I 38.1,,,, 36.8,.. 37.0,.,,,,.,,,,.,. '43.6 45.6 48.9 * 88.6,,,o,,...,... S'4.I 83.5 88.8,o 31.6... 35.1.,..,.o...,... 31.0 * "* I 5.21. 4.19k 3.757 3. 70C 3.648 4.459 8.796 5,NR. 6.86 4.32 4.363 4.45 5.568 TOTAL OBS I 610 559 599 620 688 600 635 634 ''47 '96 566 58p 728 NOTES * (BASED BN LESS TI-AN FLLI MONTHS) I IAT LEAST ONE DAY LESS TIAN 24 0jS)!.l
ULOBAL CLIMAIOLOGV HRANCF- 089-BUL3 TEMP-RATURES ULG F FPOM MEANS AND STANDARD DEVIATIONS usafltac HOURL 3SEqiTIONS AIR WLATER SFRVICEI/MAC STATION NUMLR: 322986 SIATION NAMI: I VA NUyS CA P[ [ OF RECORD: 77-8 7 FOURS? SIllS I JAN FEA MAR APR MAT JUN JUL 8116 SEP OCT 408 DEC" ANN LtS I I MEAN I 99 5S 99.5 N9.6 52.0 SN.? 59.7 61.? 64.6 81.1,?.9 Sj.3 '44.1 57.0 L3-51 SO I 5.314 6.103 4.061 4.772 4.Z48 4.73 4.600 4.304 '.63 5.921 7.329 6.698 7.6?7 lint OSI 128 113 124 134 221 215 210 220 1q. lbs 95 110 1988 16-08S D I 6.581 b.140 5.298 b.2b1 S.599 6.702 6.b23 6.79 6.,1 5.4 13 7.1I0 6.591 9.7R2 ITOT OPSi 813 736 805 825 929 89 929 927 8q3 869 70 74, 13007 MEAN I 56.6 58.4 60.0 58.4 67.3 73,8 83.1 83.2 76.? 71.9 63.8 58.1 67.1 9_1lji SD I 6.956 1.243 7.086 8.261 7.989 9.210 7.723 7,439 9.b? 7.911 7.9q0 7.50 11.512 O0 OSI 894 826 865 998 92? 898 928 928 S7 9(7 329 853 1042 13-14? SD I 7.642 8.504 8.175 9.1S7 8.861 a.9s9 7.120 7.174 10.24b 8.135 8.839 8.194 12.010 1101 o9sl 908 832 886 899 927 898 925 928 8.R4 921 864 12 10718..... -,.,.. *,,.,.,,,.,,,..,.,,,.,,,...,,...,..,..,...,,,, o...., I MEAN I 61.9 SR.C 68.3 68.8 71.9 39.? 86.8 86.8 92.1 75.7 62.8 13.5 72.9 is-171 S9 I 7.425 8.50?,171 9.282 8.769 8.868 6.663 7.118 1f].49 8.161 8.511 7.8217 12.10 IOi 01S1 998 833 865 894 929 900 928 929 899 926 641 871 13718 I MEAN I 56.6 S9.1 59.7 2.8 65.3 72.3 7;9.2 78.2 '4.1 6?.? 61.1 (7.2 66.1 8 CD I 6.-201,1S2 b. 767 6.433 7.542 7.272.3D0 7.004 b.931 8.496 6.294 6.503 6.197 10;b04 [TOT Osl 938 932 87 895 979 900 929 928 892 927 845 873 13728..,...........,.,......,,,,,,,,..,.... o..,,.. * *,.....,..,,.,., *.. *.... l MrAN I 1].2 58.1 58.6 '7.3 60.2 65.9 11.4?x.9 9.13 El.? 56.8 53.2 6(.8,1-291.0 I 5.724 5.672 4.830 5.756 5.418 6.251 5.700 5.500 6.927 5.392 6.119 5.962 8.671 TOT OHS 896 913 853 835 777 750 718 761 648 723 818 865 9556 I MEAN I 6.6 58.1 88.6 62.8 651 72. 78.5 78.2 74.9 69.1 62.1 57.6 66.4 ALE I SD I 8.3ob 8.970 8.451 9.599 9.267 10.325 10.b11 9.893 1.970 9.688 9.531 9.128 12.3 5 HOURS 81 01 O1 I '4S 3 490? 526d 5380 5639 S458 56w1 5621 '312 S446 4970 5178 64359,........,.,.,.,....,...............,,,...,,.oo...,,,,,,,,.,,.....,.,.,........,.,........
GLOBAL CLZMATOLOG BRANCH det-aul TEMP ratures DFG F FROM M A4' AND STANDARD DEVIATIONS USAFETAC HOURLY 3BSERAAIIONS AIR WEATHER SERVICE/MAC STATION NUMBER: 722P86 STATION NAME: VAN NUYS CA P I-0C OF RECORD: 99-8 LS' I I I MEAN I '49.1 44.6 45.A 48.6 52.6 55.8 60.2 61.14 59.3 51.6 49.0 44.7 544.5 03-051 50 I 5.335 4.717 3.341 4.0DB 4.168 3.670 3.403 3.440 '.797 5.71 5.354 4.731 7.343 wio? OS I a 2R 31 36 79 63 75 8 2 79 4 15 5F4 AN 4 ; '44. 4.. 0. 5......... ;6.7... ;5:.... 66-08! so I 5.3 5. 33 4.677 4.433 4.1?4 3.567 3.159 3.817 5.IR3 5.295 5.550 '4.967 9.57 IToT 0O 51 45 7 457 4sa 499 46A 434 457 443 449 527 3'7 434 646, I MEAN I 48.6 49.5, 51.S 94.5 59.D 62.9 66.4 67.6 54.9 5A.5 52.5 '49.2 56.7 U9-11! so I 5.22 4.812 4.369 4.424 8.586 3.714 3.JB5 3.771 5.u72 4.515 4.822 4.470 B.1 4? 1TO ARS 5$4 502 440 54 416 356 370 375 466 569 420 53 5532 12-1"! S13 I 5.108 4.931 4.675 4.728 4.753 3.946 3.083 3.615 5.019 4.805 5. 0 65 4.95 7.03 110T 0851 562 529 525 578 490 460 481 486 529 623 484 563 617 I MEAN I 51.0 52.4 53.6 56.4 61.4 65.2 67.1. 65.9 60.b 54.6 51.2 59.4 15-17l SD I 5.187 5.047 4.71 '4.628 4.592 3.519 3.348 3.864 5.167 4.981 5.245 4.4!? 1.13 l1ot OS 548 54 481 522 423 361 368 394 444 619 459 594 718 I MEAN I 48.2 89.9 51.1 53.6 58.4 62.3 65.3 66.3 63.' 57.5 52.1 48.5 55.1 19-20! S? I 5192 4.954 4.758 4.222 4.386 3.287 2.966 3.669 4..5 4.867 5.494 4.q39 7.t,4 ITOT CR51 536 533 483 523 419 360 372 381 4i1 617 41b 559 b3.,..,..,.,,,...,,,.....,,,,,,.,,.,.,,,..,,,.,.... o,..,,....,..,,,,. o,... : I MEAN i 46.1 47.7 48.9 51.6 56.1 54.8 63.5 64.8 62.1 55.6 SJ.0 46.3 55.8 21-231 SO 1 4.973 4.9)9q 4.391 3.762 3.999 z.843 2.554 3.302 5,192 4.795 5.538 4.795 7.6' ITOT OSI 508 441 45S 458 292 240 252 269 302 417 393 548 4bI5 M EAN I 48.0... 49.5 ;: - - -. ; 51.0.; :.... 53.4., ; : ;....;;:; 98.5. 62.3 65.5.. ;; 6 6.o... 6.60"...... 57.9,,, 52.2,... 48.3...... 55.9.... ALL I 50 I 5.912 5.698 5.233 5.0l 9.242 4.500 3.945 4.5,4 5.98 5.622 5.872 5.537 8.397 'oupsitot ORsi 3153 3034 2913 3140 2587 274 2375 2431 2433 3439 2524 3213 37886..4.........,.,.,.,...,.,....,.........................
GLOBAL CLIMAITLOY BRANE& DEs-POINI T[M'ERATURES DEG FROM MEANS AND STANUARD DEVIATIONS LSAFETAC HJUPLY IBSE9VAIIONS AIR WEATPER SERVICE/MAC STATION NUMEP: 7Z2886 STATION NAME: VA4 NUYS CA PE100 OF PECORD: R3-AT ;00;51 STATS I JAN FEA MAO APR MAT JUN JUL AUG JET NOV "P DEC ANEf LST I I... IL AN....? 27.3 3"6 6.0 53.6 54.2 1.4 54.0 57.4 7.1 6. 9.9 51. 03-),]5 so I 7.822 4.236 5.38 5.34A 4..751 4,750 4.670 4.416 5.094 8.639 7.84 7.b39 A.92? 1Tor$s 1 8 1 36 79 63 75 RI 92 70 4 15 54 06-031 to I 1.6,17 9.456 7.099 7.472 5.733 5.129 3.800 4.236 5.609 9216 9.553 7.453 11,2 1 llt OBS 451 457 456 499 468 434 457 4N 3 49 527 337 414 5 46... A 'N..:..; l :..: 4 :..;:..;:...'..8..49. 1.::..i!8. l.... i.. L9~11f SD I I0.7p*5 9.597 9.010 7.195 6.671 4.311 4.532 5.310 6.166 9.542 10.179 8.47 2 11.374 I TOT OBSI 524 502 480 524 416 356 370 375 466, 69 470 530 I ~. MEA. 31. 4..3..3 53. S67 51. 54. 4.3.... 46. 1-141 S) I II.13 9.32 8.40b 8.639 6.391 6.318 6.168 6.636 6.174 10.184 10.64S 9.573 11.12 ITOT OBS 567 524 525 57R 440 460 481 496 579 b23 484 S63 6 327 I fln I 34.1 40.1 43.3" 45.2 52.4 56.5 56.6 54.2 66.6 49.5 43.1 7A.A 41.5 15-17l ST I 11.245 9.969 8.57J V.204 6.521 5.341 6.375 7.142 7. 36 10.2,2 10.p73 9.90 11. 431 ITOT ORSI 543 q 34 481 522 423 361 364 494 444 619 450 664 ;71... G21...;;i;...;;i I*: ;N*' *' :... ;;Z... ;; [... ;i ;.......... :; ;... 18-201 S 1.694 10. 39 1 8.462 7.681 6.234 4.774 5.57T 6.384 6. 92f 9.833 11.075 9.193 b.246 ITOT OS 51 6 S3 4133 523 419 360 372 341 491 611 436 559 667r I 3.1 EA I 43 ~ 431 6. 1. 5. 5.2 5. 57.4 44. 43.5 344 4t,5 21-31 51t I 11.435 10. 127 7.957 6.667 6.158 37884 '.564 5.0!3 6.02 49549 23 9.215 11.254 ToT o61 504 4A1 455 4 292 240 752 269 3)2 417 393 5A 4615 ALL I SO I 11.180 9,867 8.78 7.787 6.299 5.152 5.327 5.)23 o.s85 9.196 10.591 9.241 11.398 HOURSI TOT VSI 31S3 1004 2913 3140 7581 2274 2375 '431 2633 439 2S4 7213-8R6........, *,,.,..........,,.........,..,.....,,..,..,....,,........,.......,..,,,..... -J
GLOBAL CLIMAIOLOGN 887NCH LLIMULATIVF PE4CENTAGE FPOQUENCY OF OCCURRENCE RELATIVE IUMIDITY USAFETAC F PM (40UPLY OBSFV T IONS AIR WEATFER SERVICEIMAC STATION NLMFER: 722886 SIATION NAME: VAN NUYS CA PEP1OU' OF PECOPD: 91--7 MOND : JAN.....,.............,..,.,,,..,.,.....,....,,,.,......,..,,,............................. MONIHI HOURS I rpercentage FqLQUEN:T or RLATIVE HUMIDITY GRE&TEE THAN I MEAN t TOALI I LST) I... IRELATIVE I NUM I I I lt?% 301 Not SOt 602 701 801 901 IHUMIOIFYI OHS I............,.,... I.,,.....,,..,.,.......,,,...,...,........ I I JAN I DD-02 I I I T-e5 I1 13.11-4.4 94.4 SP.9 83.3 72.? 55.6 44.4 5., 72.11 IE 6 -C8 I 99. I Q 85.! 77.7 70.5 63.? 48.1 39.4 2*. 60.9 4S7 IO-Ill 99.4 9.6 77. 62.2p 49.6 398.T 30tj.n 1 7.2 4. ET.' 02 1 "?-14 9.S 74.9 60.5 46. 6 86.5 23. 7 17.0o 6.2 4. 41.' 75I 1 4. 9. 7 51.5 S0. 9 40.0 27. c 10. 6.6 b. 4 4. ' ITOTA21 I 9.j '2.0 75.4 61.0 51.7 42.4 33.8 17.9 6T.2 ST.? 11 I i i S 998. 4 1.r, S.T 7 6.4 5 5.n8 48. 3 3. 6 2. u.9 I. 55.? I.... do.
0j A L AC LI'ATCLVCy Q96 H CUMULATIVE PEVCENTAGE F. QIJ7r.CV O O C E',CC VCAT I3t Ft,.,: IIY IrAFETAC FP01 0UtRLY ORSERVAT 1.NS AlT I teati- P SERVIA f:/mrc OTAJI"N 1,C2S5 STT AtMPEL [ON NAME: VAN- NUYS CA 03 irco3": P1.1 1-nl MO, 11 16 I PEr.ATAGE FEEQLN. DF RELATI VE FLI I IA[Y R, A TL Tp I L I(CV..... C VE I'A II '14 r 1 4 UM1ITT 9' Q 2." A.? 71.64 64. 5T.6 39. 4. T' C - V -7 92.V p a. 738.1 68.1 57.5 49.3 7'. V.? 51-11 1!l7.. '.7,I). 63., 53.6 3I.? 37.1 2.3 1." 55. II-" I,.. of-. 467. I 35.3 25.3 L7. 6 9. f,.. VS. I 9.R I-I MT. I 61.2 sl.c 39.3 28.3 19.2 9. 1 4.4.". T 4'~ :9. 8 7 6 q.~ 56.51 46. 9 3 6.2 2A.T1 7. 7T? C I A- 7 99.4 f6.7 8.2 7.8 56.5 57.5 4 6.8 34.3 1'.? 6.2 41 I0 ITA L 99. 93. 8A.7 61,. 1 57. 4 7.7 37.7 25.6 1 3.2 '. 7336.
GLObAL CLIMATOLOGY qranch CUMULATIVF PLCE'TAGE F REQUNCY OF OCCURRENCE RELATIVE HUMIDITY USAFLTAC FROM IOURLY OBSERVATIONS AIR SEATHIR SERVICE/MAC STATION NUMLBE: 7?28R STAION NA-E: VAN NLYS [A PLAInS OF RECORD: 81-87 MONTP: MAR MONIPI I-OURS I ERCrNTA5[ FREOUFNZI OF RELATIVE HUMIDITY GREATER THAN MEAN I TOTAL I I (LST) I... IRELATIVEI NUR I I TA I,%?Lt P - 1 50t 601 70% 301 Rt t IHUMIDIIYI 08S I... *,...,*...... *,...,.,,..... *. *,*,*... *,... *,.,..,,.... I I MAR I 00-C? I I I0-d 3 -. 100.1 IJ.C 100' 0 100.0 93.S 9. 71.0 19.4 83.2 31 -PP I Io,. 100.0 98R.3 96. 1 90.2 81. 7r.7 54.4 27.3 77.8. 45 (19-I I 130, 1 7.' 87.7 17. T 62.9 49. 3." 17.7 7. 59.3 4RC - I 17.0 0 3.. T6.9 60.4 44.8 29.3 14.05 8..9 48.5 525 IS- IT Ij.j '.t 77.9 6.2 49.9 32.5 15.2 7.5 2.3 53.1 481 18-0)U I1. 97.9 89.9 77.2 64.6 51.3 36.0 14.5 0.s 59.4 483 21-2! 130.0 1g0. 1 95.2 89.0 74.1 64.7 53.8 37. 0.2 68.2 455 TOTALS I IO.T 97.3 89.4 80.6 69.5 57. 44.9 30.1 '.8 63.8 2913....... @ do
GL1OBAL CLIMATOLOGYT HRHNCH C UMU1 ATIVWE P[?C E NT AG[ F RE QUENCY OF 7CCoU9 5 ',U' QLAT Idv. LjJ3 USAT-ETAC FROM 40LRLT O8SfPVATI0NS5 AIR WATHER 9R8V1C1/M9C STATION NUMPEP:?;22886 STATION 4ARE: VA4 NUYS CA 1"ILI OF 'IFcip5 6I1O 808161~~~~~~ R.A. A08 N.[C973.qOC.F.EL.IV.[ib.V.8AC.67. I ILSI!...IEA! I8 APR I00-U132 2105I 10. 1023.0 110rli.2 107.0 97.2 86.1 86.1 72.. 461. H.7 31 I 26-Ug 1000 97. 98.2 91.4 83. 4 374.3 I 66.7 4'. 1. 72. ~ I59-11 I Jn.0 94.5 83.21 69.7 56.7 44.3 25.r 8.R9 1.1 54.1 5' 112-14 99.7 9 7. 4 30.6 58Q. 9 88.6 2 3.5 q.2.~ I I.4 49 57' 1 5-1 7 I 99.9 86.6 70.93 60.1 9 8.7 28. 9.8 46.9 f.! 66.7 522 I18-20 1 3 96.C 88.3 71.4 63.7 52.q 32.7 12.4 '.6 97.8 57 I21-213 10. r) 7 96.7 98R. 2 7.9 68.8 61.6 3.1 1I. 69.9 45cl9 11035 T I 9q.9 96.5 89.6 7 7. 4 6 7. 5 58.1 8 1.3 21.~ 7 6,.9b1.84 3 140
6L tial CLIMTICLOU,1 I *N CH CUMULLATIVL PLICENTAGE FPEQU"N Y OF OCCUPIENC[ PELATIVE 'UMI3]TY USrALTAC F M 40ULY 08SFRVTnN S AIR FAI44 SFAVICL/mAL S TATION NIL fy: 72298 H S T AT IN 8kF: VAl NILYS CAA P"10 OF R[CORD: B1-86 PONfl : MAT NI I PERCTNTAG[ reouen:, or fllative HUMIDI7Y RFAlE R THAN I MEAN I TOTAL I TLST) I IRELATIVEI NUT I I tt 2it 36% 42% 503 603 ij% 833 T o t IHUMIOITYI OdS.........,. *...............................,.*,,.,.,.................................................. I I '(. I 1 D r3., 1 00.9 10,. 96.2 93.7 88.6 77.2. 4.' 95.9 79 116- re I [I." 998.q q *. 5 96.8 92.1 85.5 7 7.8 56. 6 21. 18.9 '465 19-11 13 0 Oj.9 92.5 82.? 70.2 49. 3 23.9 6., 58.2 '416 l-1 4 10.0 95.7 89.2 76.1 59.6 23.5 6.1 1.2.2 51.3 49C 15-17 I 1 3. I a5[ 87.9 11.9 52.7 20.3 '4..3.9 49.1 923 1-2) I12.n 97.9 91.0} 86.8 75.9 59.9 28.4 7.9.7 60.9 910 21-23 I 100. J12.2 97.6 92.% 81.7 81.7 64.7 29.R 6.P 72.2 292 ITOTALS I 1'3.; g8.7 94.4 86.6 76.3 58.5 42.0 25.7 65.5 65.2 2587... 4k
GLObAL CLIMAVTOLOGY BRANCH CUMULATIAE PERCENTAGE FREQIJCNCY OP OCCLJRQENCE RELATVIE H-UMIDITY USAFLTAC FROM 4ILY OBSERVATION4S A IR ilavhfr SERAICE/RAC STATION NUMPLR: 722486 STATION NAME: VAN NUYS CA PEnjOO OF PLCORO: RI-9s M019: JUNS ROTjIORM PERCENTAGE F8E0LLN:R OF RELAT IVE BL'RT0TTY GREA TER THt EAN I R T A L I LSII I...IRELATIEI NUM I lot i 20% 3,3? 401 S10t 60t 7g1 R0t 90 [HUMIDITYRI OAT JUN I I UG0-U2I I n-c' 1:3-1:10.1 190.0 98.4 9R.'4 R6.R 96.R 85.7 4C.' 57.8 6! I 0-30 998.8 98.8 88.2 83.5 85.4 81.2 AI.6 50.1 10.7 89.2-414 I P-Il I 130c.0 88.3 85.5 91.3 83.6 51.3 27.0 5.6.R 61.2 I,1 12-14 998.1 93.9 8.6 77.6 51.3 21.1 48.8.9 '48.17 453 1 IS-17 193.3 84.5 85.9 72. 3 51.0 22.? 3.9.3 R.89 361 18I-23 I Ij).0 97.2 82.8 81.0 78.9 60.6 3o.0 6.1 F9 61.3 3l 21-2 3 I 100.0 1 00.0 97r. 5 86.3 983.3 87.5 671.8 29.6 rp 74.6( 24 JITOTALS 1 98.8 qj..s 94.2 88.7 78.4 62.4 44.6 26.7 111.0) 66.1 2274
(LOUAL CLIMATOLOG'Y A NCH LUMULATIVE PE8OEnTAGE FPEQU-NCY OF OCCURRENCE RELATIE HUMIDITY USAFETAr FROM 4OUMLY OBSERVATIONS AIR WEATHER SFR'ICE/MAC STATION NLE Q: 77 9 9 01TAY4 NAME: Y414 NLIS CA PER0 OF RECORD: 81-Sb AO'JT- : JUL MONT i-osrs I TEACE4TSDT FEQULN:Y OF RELATIVE HUMIDITY GREATER THAN - A TTAL I (LSTA I...IM(LATISEI MUM I I jot % 30 401 SOt 601 7ot Rot 90T IHUMIDISI 05 I................................... JUL i 3-u2 r P3-OS 1 jo.0 170.0 97.1 91T. 96.0 90. 84.0 52.7 AM.1 81.1 1 SP-Cp 100.9 q9s. 98.7 97.4 93.0 83.4 61.2 40.5 9.8 14. 4 57 09-11 I 130.0 9b.9 41.6 76.5 573 35.1 15.4 5.9 1.1 53.9 37V 12-14 99.q 2,. 14.8 50. T Z4.5 9.q 1.0 41 o.9 491 I5-17 l0.") 91.( I 4. 11.7 11.7.7? 2.2 9.7 5b4 Id-2f l 100.0 Y p -. 86.6 73.9 52.7 28.5 12.1 3.2.5 50.9 31 21-23 IoO. '49.4 95.6 91.7 81.3 65.1 39.7 18.7 1.9 64.9 2 2 TOTALS I10,1 9b- 4 183 76.1 60.4 45. 7 31. I 8,8 57. 1 211S,..,...................,,,,.,,..,.*........... -,....,-............................ 0
GLOBAL CLIMATOLOGY PRANCH CUMULATIVE PE9CETAGE FPLOUtNCY OF OCCUP9ENCE BELATIVC HUMIDITY USAFETAC FROM OL'RLY OBSERYA IONS AIR weatheb SfPVICE/MAC STAIION NUMRER: 722886 STATION NAME: VAN NUTS CA rv'l10 OF PCCO3: Al-M6 MONTH? FOURS? PERCENTASE FqEOLLN:, OF AELATIBE UMIDITY ORATE TFAJ I MEAN TOTAL I ILST I...... ELATIV "UM I I % 2C% Ut NOT 50 608 7t Bi% 0) IHUMII YI B' I..,,.....,,. o......,,.... *,,*, *,,.,,,.,....,..,...,.......... *... AUG I 3-G2 I I 0$-OS I 13.j1 103.0 100.3 10G.0 97.6 91.5 79.5 3.9 I. al I,6 I E6b-O I TO1 0.0 1O0,O.0 00.0 99.,8 96.8 88.5 72.2 48. l3 1T.. 1 4 C 9- I1 I100. 98.9 93.6 78.7 5B.4 35.2 15.2 4.5 I. f.., 77' I 12-14 1 99.9 92.2 78B. 50.2 23.9 V.? 2.7.p qi.? 49t I I 15-17 Ilo.0 93.7 14.9 43.9 20.6 7.9 1.0 2.' 319. 79 18-20C I0o.0 99.0 B9.5 72.4 54.1 33.3 14.4 5., 3 34112.1.... 2I 1-2 3I 10. 1013.0 98.9 91.4 91.0 66.2 47.2 20.4 1.1 6S.? 256 ITOTALS I I0.0 97.7 90.7 76.6 61.8 46.A 33.5 20.4 5. S9.)) 2531
GLOBAL CLIMATOLOGY BRANCH CUMULATIVf PEICETAGE FREQUNCY OF OCCuR91NC P -L ATIVE 9U.IIDITY USAFETAC FROM 40URL OR S VATIONS ALP WFATHEP SERVICEJMAC sr 7ION NUMBEP: 722R86 STAT I(N NIME: VAN NE YS CA 'E"IOO of -LC 3R: 80-qb -ON 1 SVP MO NI 'OURS I PLRCENTAE F3OEYENT, OF QELATIVE HUMIDIY GRATER TH NEAN I I total I ILSTI I.. RLATIVE I U44' l Z I I OZ d C, t~ IU Hum 1 I 0O I T~ YI Op I.I...,,... 0................................................,..................................... SEP I00-U02 03-0M 1o.o 10.T I2oc.0 1O1.0 130.0 97.5 86.6 6.6.4 83.1 3 I 6-04 I 1.0 0., 99. 98.8 95.7 88.3 76.5 4.? jb,? 78.5 489 I 9-l I 9.3 8.9 92.0 83.5 67.8 51.1 27.3.. [Q7 549. 466f I2-1 91, 95.3 81.3 6S.8 66.0 17.5 8.6 3.2.R.T 7 24 15-17 99.6 93.6 80.4 66.3 47.1 20.5 7.6 7.) 1.2 67.2 484 1 I-2tl 100.3 97.7 93.6 81.1 69.0 52.3 30.4 8.1 1.5 69.2 481 I1-2T 100.0 9q.7 97.4 93.0 81.8 72.2 S6.6 29.8 la 68.9 90 STO TA S 99.9 ) I 1 92.2 8 3. 72. 3 5?.1 8 1.9 2.1 7.7 b3.3....
, LOIIAL CLIMATOLOGY PAANCH CUMULATIVE PEICENTAGE FREQU-NCY Or OCCUTNENCE RELArIVL ID TCIT USAFATT APOM 4OUPLY O9SERVATIONS AIP ATIHE R SERVICL/AC STATION NJYmSLO: 7,Rb STA IION NA-E: VAN NUYS CA PInoC Cr LOCOPD: 4 0 -Sb SNT.: OCT I TLSTI I...........,....,, o... o o.,.... IV9ELSTISEI_... NU" I... o.. I I., Ic~t 201 301. '401 50t. 60?.. lot,. SO?.... '[I1 o.. IHLJMIOITTI..... 060.,............ OCT 00-62 I 'TC', 103.9 ~9.6 981.4 90. 0 87.1I 80.9) bs.6 55.7?%T 750.9 TIL ri-cs I TUO.C 97.9 92.A 86.7 80.3 72.5 61.3 41.1 11.7 73.9 27 I 29-11 99.8 33.8 78.2 65.b 53.4 38.3 23.6 8..1 52.1 6; I1-1 99.5 87.4 66.1 51.9 34.8 18.7 5.3 2.1.4 42.9 621 I15-17 99. 89. 3 71.9 5,.4 42.3 26.9 9.7 3.6 1.5 9.6 61 I18-20 130.0 96.1 86.2 74. 4 61.6 46. 33.9 13., 3.4 57.5 617 21-23 I 1 0.0 97.4 92.3 A3.5 72.4 60.? 51.3 T3.... 66.r) 417 TOTALS I O.9 94. 4 82.7 72.6 61.7 49.1 36.2 22.7 8.9 59.6 3439... I- c._
GLOBAL CLI"AT OLOGY RA NCH CUMJLATIVE PLTCENTAGO F PEUENCY OF OCCURRENCE RELATIVE HUMIDITY UShFElAC FROM IOURLY ORSFRVATIONS AIR WLATHCD SEAVICE/MAC STATION NL'mflT: 722FS S ITATION NANE: VAN NUIS CA F0A000 OF RECORO: 40-OS5 MONT? : NOV MONTI- HOURS I PE CCNTAG( FQL UENOY OF RELATIVE HUMIDITY GREATER THAN I EAN i TOT AL I (LOT) I... IFTELATIGI SJU I ]tt 2"01, 361 401 S0t 601 7o1 801 9461 IHU9IOITYI 085 NOV I- U V0E-C I3 I 1- F 101. 1030 130.0 100.0 100.0 O0.3 T5.0 75.J 5C. ' 85. 4 O- 0 I I l.1 97.0 92.9 86. 1 77.4 68.3 59.1 4..1 2f,.4 72.6 TI? n -11 I 01.2 91.4 81.2 70.0 54.5 41.1 33.6 16.2 7.4 S5.S 42 1-14 I 99.4 87.4 649.8F 54. 1 4 1.1 26.2 15.T7 6.6 4. 1 46.3 4$14 1 ]5-7 9.x 89.6 75.1 59.1 46. 2 35.1 22.2 8.7 4.2 49.8 45 I 14-2 P 1J01 92.4 7.2 76.9 65.1 51.4 N 1.5 25. 9.A 62. 4 A 21- I 1.1 0 n 95.4 90.6 83.5 75.1 6N.0 51.9 7.9 2?.4 67.M 397 ltotals I 9.R 7!.4 85.3 75.7 65.6 55.1 42.7 3.4 17.6 62.3?S24.
6L0HAIt CLIMAIOLOGY BRANCH CUMULATIVE PEITCE4TA6E FREQUONEY OF OCCU ENCE RELATIVL U010 11Y USAFETAC FROM -40URLYV OBSEAVATTONS AIR dtathep STI VICE/MAC STATION NUMLR: 7228 6 STAT1Oh NAME: VAN NUYS CA 'EUIOU OF PE.CORO: 91-Rb Mt'I 1T4 UT C...'.....................,.. ;..'..,..'......."..,...........:...2...... MONT if POURS I FLAZCEN1TAGE FRE OuEN2v OF RELAT I VE -trmio!i T Y SREA TLqI TI-RN I - -AN TOTI A L I ju I 00 3U% 400% 500 I 60%?(Jt Rot 9[ t 141IIT YI 08 OF C I DO- 0 2 I 0-0 r 101.1 102.0 IJ0.0 91.1 96.7 80.3 b0.0 40D.31 21). r! 7!.9 15 I 06-O7 I10.0 99.4 93.5 8q.9 82.7 10.5 55.8 44.2 26.1 72.-1 34 04-I 122.1 97.4 84.9 10.z 53.0 38.1 21.5 14.3 7.? 54.9 3L I12-14 99.g 45. 63.8 43.5 30.2 21.i 11.5 6o. 1.6 42.S q63 I 15-IT 1 uo.3 68.p 68.8 51.2 35.1 23.4 16.1 7.1 45.4 564 I -2p Ijo.o 971 84.4 72.8 58.5 "2.6 30.1 17.9 6.1 56.6 050 21-2X I 13.3 94.7 90.0 41.0 70.3 55.9 43.6 2A.1 11o. 63.4 044 10 AL9 t 1T1.1 8 3.6 7 1. 1 59.5 417.4 32.9.6 1 1. 1 59.4 3 1 -...-
f O)JIL CLIMAIOLOGI tanch LUMULATIV r PEICENILAGE FRE OWNCY Or OCCURIEN- EELA IV UMIDIT USAIET A CQM 10CURLY O9SERVAIIONS AIR,3AT 9 P S[RVICE/!AC %TATION NL PER: 7229H6 5TATION NAME: VAN NLYS CA P l OL, 0 RCPD: 8(-R7 MOOT,-: ALL I I I.I.I.I.I.I.I.I.I.I.I.I.I.I.I.I.I.I.I..I.I.I.I.I.I.I.I.I.I.I.I... I.ELATIYEI NUr 1 p t 20 3~01 i 40 509 60 771 90% IHUM10T1Y OY S..,..,,.............,...,,...-...,............,.......,..,............................................. o... JAN ALL 9.4 1LC 76.9 65.4 55.9 4i.1 33.6 23.1 3." 5.1 0157 I I 99.2 91.0 717 69.1 7.7 47.7 37.7 25.6 13.7 5'.2 30Q 'AI Iue.0 3 949. 8.6 69.5 57.1 NN., 31,.. 43.4 2913 APA 99.9 94.0 5.6 77.'. 67.S 5.. 41.3 25.9 I'). 61.N 34 M A I 9 4 9.. 6.6 76.3 56.5 42.0 25. T [9. 60.2 2043 J U N 9 9. ' 9 1.q '., 2 9 8. 7 9. 4. 4 4 4. 6 2 6. 7 1 '?. " 6 6. 1 1 23 JUL 13C.7 9s.' 8.0 76.1 60.' 4S.7 31.1 18.7 6.8 7, 237! AUG I I u.1 97-? 9.T 76.6 61.8 46.8 37.5 20.q 4.4 09.1 2431 SEP 9.q 47.7 92.2 81.9 72.3 57.1 41.q 4.1?,1 63.1 lq33 OC 1 9. q 94.4 2.7 72.6 61.7.9.1 36.2?2. 7. 0.6 3N30 409 I 9 R. 97.6 9.3 301.7 b5.6 50.4 42.7 30. 1 7.6 62.3 2026 0CC I I c.ri 35.4.3.6 11.3 59.5 47.. 34.9 22F,3 11.1 S.4 3213 ITOTALS. 99.8 90, 7.. 1 77. 65.0 52.! 6.7.247 1.1 6.' '1993.............
ULOEAAL CLIMAIOLOOGY 'RANCH STATION PRESSURE IN INCHES H3 FROM M7ANS AND STANOATD DEVIATIONS USAFLTA C HOUPL Y )BSERVAIONS AIR WEATHER SERVICE/MAC STA]ION NuMnER 7 22986 STATION NAME: VAN kfuts CA P Or (9IV RECORD: 7-97 1-L585! STATS I jar reo MAR APR MAY JUN JUL. 905 E,[ OCT "OR D72 AS.. I MEAN 91 I st I 110T OS I I SO I 7 so I 120.124.127.0q2.070 056.26G.Db2.075.077.1c9.1oi,I0 I DT ORSJ 310 292 31 300 3 10 299 71U 3 I 5")m) 3] 303 399,;, I MEAN I 29.947 29.212 29.166 29.146 79.394 29.087 '9.099 29.095 2'.t]97 29.152 29.209 29.246 3R.l'7 I I I 1191.120.12u.081.370.057.061.063.2 76 *o?.113 1-12.1 01 OHS I 310 2U92 ibl 3 0 310 30 310 310 1U 313 330 I1 3t2 IFA I29.19 9.16 2912 2911 7906 29.D6 2931 2.5V 2.4 9095 2913 2.12 IT I SO I 119.119.120,OR0.368 fs.5.06u.064.02%.076 P b 1.121 1101 01S 310 2-2 311u 32c0 31 300 310 310 Too 313 3r2 310 7sZ2,,,,,,,,,,,,,,,,,,,,,,,o,,,,,,,,...........,,,,o,,..,,,....... I n 12 3 210 29.391 29.74 79.37 29.029 2.31 29.03 2.4 2 6 2127-9.163 29.E 16 I I 111 177.11.111 1.090.D67.7j54.061.063.074.079.105.19.124 2 9 1c77 095l 31 292 4 31 o 310 300 310U 310 300 110 330 391 7b5 I9 13 17 11 PI 1 I *IORU.3f3.05S3.06 0363. 7 4 1 S.1024.10n9.15p I M7RN 1 29.,16 79.157 29.14b 29.099 79.096 29.076 29.075 29.328 29o02 29.099 29.176 29.13 29.096 110 To060l1 3 10 29 310 299 3 10 3oo 3 17 73 3103 ) 11 I 0.300 lb 7, S AI.0S5 I... 11.119.1.391.366.060.36..75.104.. 106 1707 ORS I 31L; 292 310 2t9 3J9 298 303 3c2 204 3''1 3 10 us7 I MEAN 1 29.,200 29.171l 29.133 29.114 79.368 29.062 29.067 29.360 2'1.3964 29.112 29.167 29.201 29.117 CLE I SO I.fa.122.123.09P5.071.059.066.369.DI.091.110.112 1110 i OURS 10 0Sl 1860 1692 196U I797 1959 1797 1951 199 1890 19S4 1903 1909 21962...,....................................,......
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