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1 AD-AI N! ACAA F~~AL MEW YONRK li 061SE O FM MRHS V or 1/4 SURAC IE*11R03..(U)A1 RREAOIIL TTPUTAL FLI OHS CUE CIT A. 3e L!1 UNCLASSIFIED U94MtAC'-B / 2 MIL

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3 00 In towet~ OPERATING LOCATION - A USAFETAC Air Weather Service (MAC) REVISED UNIFORM SUMMARY OF -~ SURFACE WEATHER OBSERVATIONS RLE Fit. NIAGARA FALLS IAP NY MSC # N W ELEV:590 FT KLAG "Approved for public release; Distribution Is Unlimited." I PARTS A - F HOURS SUMMARIZED: LST PERIOD OF RECORD: HOURLY OBSERVATIONS: JUL 77 - JUN 87 SUMMARY OF DAY DATA; JUN 51 - JUL 60 OCT 61 - JUL 64 NOV 68 - JUN 87 FEDERAL BUILDING DLET E ASHEVILLE, N.C C- CT 198?

4 INIMD APP-OWAL ST3T USAJ'TAC/DS-87/062 NIAGARA FALLS IAP NY (RUSSWO) Oct 1987, is approved for public release. There is no objection to unlimited distribution of this document to the public at large, or by the Defense Technical Information Center (DTIC) to the National Technical Information Service (NTIS). This document has been revieved and is approved for publication. FOR THE COMMANDER SALTE S an Tn Scientific and Technical Information Program Manager

5 REPORT POCIDUEATIO PAG la. Report Security Classification: UN $ASSIFIED 3. Distribution/Availability of Report: Approved for public release; Distribution unlimited. 4. Performing OrSanization Report Number: USAFETAC/DS-87/ Nonitoring Organization Report Number: USAFETAC/DS-87/062. 6a. Nse of Performing Orgnization: USAFETAC/OL-A 6b. Office symbol: 6c. Udress: Federal Building, Asheville, NC Title: (RUSSWO) Niagara Falls IAP NY 12 Personal Author(s): 13a Type of Report: Data Summary 13b TIm Covered: Jun 51-Jul 60; Oct 61-Jul 64; Nov 68-Jun Date of Report: Oct Page Count: supplementary Notation: 17 COSMTI Codes: Field--04, Group--02 i8 Subject Term: *climatology; *weather; meteorological conditions; winds; precipitation; temperature; visibility; barometric pressure; relative humidity; sky cover; psychrometric data; ceiling; Revised Uniform Summary of Surface Weather Observations (RUSSWO); Niagara Falls lap NY; New York; USNY Abstract: six-part statistical data summary of surface weather observations for: Niagara Falls IAP NY. Summary consists of: PART A, Weather Conditions and Atmospheric Phenomena; PART 3, Precipitation; PART C, Surface Winds; PART D, Ceiling and Visibility; PART E, Psychrometric Summaries; PART F, Pressure Summaries. See USAFRTAC/TN- 83/001 (ADA132186), An Aid for Using the Revised Uniform Summary of Surface Weather Observations (RUSSWO) for complete description of contents and instructions for use Ketribatiom/Availability of Abstract: Same as report. 21 Abstraet Security Classification: UNCLASSIFIRD. 22a Em of losapemble UdIvdeel: Marianne L. Cavanaugh 22b Itelmt (616) c Office syml: USA1KTAC/LDD Is N 1473 t3~assivm 1I Um I

6 DUPAR18M OF THE AIX FC9 USAF ENVIRONMENTAL TECHNICAL APPLICATIONS CENTER (MAC) SCOTT AIR FORCE BASE, ILLINOIS FROM: LDD (Mrs Cavanaugh AUTOVON ) 26 Oct 1987 SUBJECT: TO: Input Documents DTIC-FDAC The enclosed reports are submitted for input into the DTIC system: (RUSSWO) NIAGARA FALLS IAP NY (RUSSWO) GRAFENWOHR AAF GERMANY USAFETAC/DS-87/062 USAFETAC/DS-87/063 MARIANNE L. CAVANAUGH Librarian 2 ATCH: AS SHOWN

7 Accesi.; For NJTIS CpA&I, D)TIC..!%B J *Stf;.*'.I :It Dist I1 UU111O ISSIsSS SSSSSS M W00 m mana uu uu ssss s sss s SSS M M 0000 a man i u SIS SIS Ss SS W 0 00 ERU US W IsS S S s u M 0 00: toih no uu UW S SI um MU o magmnrm viiu ss issm 00 a0 ORNMORN v AE NSAFLS SAP vu PERIOD or RECORS: l 4 Ou*%Su IUNzCD& LIT[ NOUSLY OBSERVAT ZeuSt JUL I? - JUN 37 IUNAS OF CAT 0*1Mg JUN S1 - JUL 60, OCT 61 JUL G4, NOV 0 JUN 61 MEN CONVERSION LOT 10 GMT$ #S ( DATE M UDCUS 30 SEP At

8 OL-AlusaFeTaclosClaMS REVISED UNIFORM SUMMARY OF SURFACE uuwehe OBSERVATIONS SHREVILLE WC HOURLY OBSRV*IIONSi ALL RECORD O4RHECORD SPECIAL OBSERVTIONS RECORDED ON IE AWS FORMS 10110A AT SCHEDULED HOURLY E WALS. SUMMARY OF GAT CAT& IDILY OBSERVAUIONSI: DATA COMPILED FROM ALL AVAILABLE OBSERVATIONS WHICH INCLUDES HOURLY OBSERVATIONS AND BAIL? MA RECORDED IN COLUMNS 66-T3, &US FORMS 10t10A. * DESCRIPTION OF SUMARIESS POIRECIM EACH PART Of THE RUSSus IS A BRIEF DISCUSSION OF THE SUMMARY INCLUDING MNKICOF PRESENTATION. STANDARD 3-1HO0R TIME BROUPS3 INt ALL. SUMMARIES SHOWING DIURNAL. VARIAIIONS, WE SUMMARIZE DATA USING THE * FOL~jIO CRST -HOUR TIME PtR1005 IN LOCAL STANDARD TIME: , , , DO-IlOD. A20 0 S1700oD * LIT. FOR A BETAILED DESCRIPT ION OF EACH SUMMARY WITH EXAMPLES AND EXERCISES ON ITS USAGE, SEE USAfETAC/TNA8301, 'AH AID FOR U31NS THE REVISED UNIFORM SUMMARY Of SURFACE MEATIER OBSERVATIONS" grusswo1. THE TABKE or CONTENTS STATION HISTORY At WEATHER CONDITIONS AND ATMOSPHERIC PHENOMENA SUMMARIES Is PRECIPITATION, SNOWFALL* AND SNOW DEPTH SUMMARIES!PART C: SURFACE MIND SUMMARIES 4 PART 0: CEILING VENSIVS VISIBILITY AND SAY COVER SUMMARIES 4 PART to TEMPERATURE AMl RELATIVE HUMIDITY SUMMARIES PART F: PRESSURE SUMPARRES AMSMSC NUMBERS TNIS NUMBER IS THE AIR WEATHER SERVICE MASTER STATION CATALOG NUMBER. THIS MNMBE IS COPPRISCO OF THE NN* NUMBE WItTHE4 ADDTION IF A SUFFIX 1O THROUSH 91. IN CASES MIERE THERE IS NO DESIGNATEDO MNSUMBER, A NUMBER IS CRIATES IN AGREEMENT WITH WHO RULES PLUS A SIXTH THESE NUMBERS ARE ALSO REFERRED TO AS DATSAV OR USAFETAC NUMBERS WHICH UNIQUELY IDENTIFY MORE TPAN REPORTING STATIONS WORLD MIVE. 4 pol vi p"----..

9 7=U27-1M43706 ym V"S3 7W A STATION LOCATION ANDINSTRUMENTATION HISTORY V~ ~~~ U in~m Lwow iru Lt( I iuj ms~ NLPUNY Ar am51 MWr54 N v " guw r Aug oab 4 Sm A? 21 Oct61 use 62 Sm V m A? gmn 63 Jan 62 Sm 8mm su a? ftb 62 Jul 63 Sm am som am 5-31 Fm?an AVwu oat6 Ju m su 25 2 V - I" _&_M h_ am 64 wn mmmvw m 1r of ion 71 innts 82 8uo 2 3rn 520li 24o 2 wi 54V lean 3om La bal 12.5 AUK aua KAM~ mm 3 AM 55 lestei am V easef barn egmum- s S 4 mw 56 toos6 Oa to ot 00 ept*eaw Ur am 0 ft S ms, 55 Istm 200 ft ad an 404rn of AH/U0- FA ft to WON, *a ". my. 6 1*00 m60fth $a ofe- Sm Sm smn kj~ ~ ~ _ 1~-j

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11 OE11E CO010 AND0 ATOSPIOEMIC C PEEN SUMPARIES I2. DATA WEATHER CONDITIOUS sumait 1. A PERCENTAGE FREOUENCT OCCURRENCE SUMMARY Of VARIOUS ATMOSPHERIC PHENOMENA AND OBSTRUCTIONS TO VISION. BASED ON HOURLY OBSERVATIONS. 3. SUMMARIZED BY T14E STAUSDARD 3-HOUR TIME GRO0UPS BY MONTH, MONTHLY AND ANNUALLY IALL YEARS COMBINEDI. ATMOSPHERIC PHENOMENA SUMMARY I.A PERCENTAGE FREQUENCY Of DAYS SUMMARY OF VARIOUS ATMOSPHERIC PHENOMENA AND OBSTRUCTIONS D VsION. 2. DATA BASED ON SUMMARY OF DAY DATA. 3. SUMMARIZED BY MONTF WITH ALL HOURS &NO ALL WEARS COMBINEO., "!DEFINITIONS 3 THUNOERSTORNS: ALL REPORTED THUNDERSTORMS. TORNADOES AND NATERSPOUTS. RAIN AND/OR DRIZZLE: ALL REPORTED RAIN AND OR DRIZZLE FALLING TO THE GROUND BUT NOT FREEZING. FREEZING RAIN ANDOJDR FREEZING DRIZZLE ISLAZE)s ALL REPORTED FREEZING RAIN OR FREEZING DRIZZLE. SNO ANOIR SLEET. SNOW INCLLGING SNOW PELLETS AND GRAINS, ICE CRYSTALS AND PELLETS. AND/OR SLEET lice PELLEISI. NAI L ALL REPORTED HAIL. ALL PRECIPITATION, THIS CATGOR4Y INCLUDES ALL OBSERVATIONS REPORTING PRECIPITATION. BECAUSE MORE THAN ONE TYPE Of PRECIPITATION MAY APPEAR IN A SINGLE OBSERVATION, THE SUM OF TME PERCENTASES IN THE INDIVIDUAL COLUMNS MAY EXCEED THE PERCENTAGES IN THIS COLUMN. FOG: ALL REPORTED FOS. ICE FOG AND $ROUND FOG. SMOKE S NOIO NAZEs ALL REPORTED SMOKE, HAZE AN ANY CONNINATION TtEREOF.1 ()VISIBILITY BLOWING SlCiw ALL REPORIEB BLOWING SNOWS INCLUDING DRIFTING WHEN REPORTED. DUST ANIOR SANO ALL REPORTED DUST, SAND. BLOVING DUST, SLOWING SAND AND ANT COMBINATION TPEREOF. Sft ATMOSPHERIC PFE[OMENA SUMMARY #OAYS WITHI INCLUDES ONLY THOSE REPORTS WHEN THE PHENOMENA LESS TFAN S i g MILES 4I000 METERSl. ALL OBSTRUCTIONS TO VISION$ INCLUDES ALL REPORTS OF OBSTRUCTIONS TO VISION IFOG THRU DUSTISANDI ANl BLOVING SPRAY. BECAUSE MORE THAN ONE PHENOMENA PER OBSERVATION NAY OCCUR, THE SUN OF THE IOIVIDUAL COLUMNS MAY EXCEED INIS COLUMN. * i.. "': IA + +,. _., *.,*" + %,:. 91,*.. N."'! +.**,.,, +. py, ' "

12 1. A VALUE IN THE TABLES OF ".0" INDICATES LESS THAN.051 OCCURREN4CE WF4CH IS USUALLY ONLY ONE OCCURRENCE 2. METAN STATIONS IBEEINNINS IN JAN AND SYNOPTIC REPORTING STATIONS RECORDED ON THE AUS FORMS 10/10A AND TRANSMITTED LONOLINE ONLY THE HIGHEST ORDER OF ATMOSPHERIC PHENOMENA OBSERVED. BEGINNING IN JAK METAN STATIONS RECORDED ALL OESERVED PH4ENOMENA SUT CONTINUED TO TRANSMIT ONLY THE HIGHEST ORDER. FOR EdAPPLE, If THE OBSERVATION CONTAINED RaIN, FOG AND SMOKE, ALL THREE WILL APPEAR on T HE A US FORMS 101 IDA, EUT ONLY THE RAIN WAS TRANSMITTED LONGLINE. THEREFORE ONLY THE RAIN APPEARS IN OUR EATA EASE FOR HOURLY SUMMARIZATION. THIS PRACTICE EFFECTS THE PERCENTAGES IN THE TABLES. -I 'vl -- domma.

13 i - -, I!, GLOAL CLIMATOLOGY BRANCH USAFETAC AIR WFATHFR SERVICE/MAC PERCENTAGE FREQUENCY OF OCCURRENCE OF NEATHE" CONDITIONS FROM HOURLY ObSERVATIONS STATION NVLVER: 725"b7 STATIO NAME: NIAGARA FALLS TAP kv PERIOD OF RECORD, 78-8? MONTI.: jan RAIN FRZING SNOW I OdS S4OKE DUST % Os$ HOURS I TSTMS C/OR RAIN E/OR HAIL IITF FOG C/OR BLOWING EOR,,LBSI TOTAL 2ILSTI ORIZZLL g/op SLEET PRArIP HAZE SNOW SAND 10 OBS I DRIZZLE VISION cc-02 6.,e S c3-cs S ; !0, C st s.1 T.s 33.s %5,.S ,4! Lou % I o ;1o I TOTALS I %.v iA STATION NUMPLR: STATICK NAMEs NIAGARA FALLS TAP NY PERIOD OF RECORD: MONTH : FEB I Rath FAING $ tnr 08S SMOKE DUST I OBS HOURS I TSTS &/OR RAIN LION HAIL WITH FOG C/OR SLOWING I/OR U/CBS1 TOTAL ILS1 I r-rizll OCR SLEET PRtCIP HAZE SNOW SAND 10 Ob I DRIZZLE VISION Z-r2 6.b.S 32.6? S 5.0 ;1os 86 L.-r$ b.l.a q? C6-C8 7.3 J.s i Cq-l ' % I?,,.1 29.? 36.b S*.! l63. 1S ; (.18--C 7.6,? 23.z S.2 ; I,.6 13.t 2.6 6i.S T.JOVALS 1, T..2 IT * 4t is.s I.. ee ee le e o oo e 'A l,..,

14 GLUAL CLIMATOLOGY BRANCH PERCENTAGL FRECUrNCv Of OCCURRENCE OF keatfer CONDITIONS LSIDETAC FRO" IOURLY ObSLRVATIONS, AIR WEATIEp SERVICEfMAC 4 STATION NUPPEP: STATION NAME: NIAGARP FALLS TAP NY PERIOD OF RECORD: 78-a7 MONTH: MAR... I. IOURS ISTMS MAIN rrzing SNOW I OBS S.OKE DUST % OS &/OR RAIN /OR 6AIL Wit l FOG &/OR BLOWING &/OR MICBST TOTAL ILST) DRIZZLE 6LOR SLEET PRECIP HAZE SNOW SAND 10 OBS DRIZZLE VISION... ;j-dz,,, T C 07-OS " E9.Z 930 r.-ll,2 8.L I 9.; , 3 10, ' q-o S Z T... OTALS... I.1 9! ,6 1S t7.s i: E0.A 1440 STATION NIIMBTER: STATION NAME: NIAGARA FALLS lap NY PERIOD OF RECORD: MONTH: APR... I RAIN FRZING SNOW % OBS SMOKE OUST % Os IOUDS I TSTMS 91OR RAIN C/ON lail WITI FOG 6/OR BLOWING &/OR W/CBST TOTAL ILSTI I DRIZZLL /OP SLEET PRECIP PAZE SNOW SAND 10 OBS i DRIZZLE VISION....4 lb O6.-, I-A IS , I ? a.-23 I,. 1, TOTALS 13o.1 S II I;.- -.,...,

15 ulobal CLIMATOLOGY BRANCH *': SAFEIAC AIR WEAT EI SERVICE/MAC PLRCE14TAGE FREOUENCY or OCCURRENCE or WLATI-EP CONDITION FROM HOURLY TUSLRVATIONS " TATION Nt'ECR: STATIEN NAME, NIAGARA FALLS IAP NY PERIOD OF RECORD: MONTI-: MAY... ; R AIN FRZIJG SNOA S OBS S..ONE ut 8.OUrS I TSTMS CIOR RAIN &/OR FAIL WIM- FOG /OR BLOWING E/OR A/CBST TOTAL ILS71 j DRIZZLL C/OR SLEET PRECIP HAZE SNOM SAND 10 Ds DRIZZLE VISION I-.4 9.V UT-C '6-flA c , C ! I.C S TOALS.7 l) T440,TAWIeh NUPJBTR: STATICN NAME: NIAGARA FALLS IAP NY PERIOD OF RECORD: MONTH: JUN I RAZN rrzing SNOW I OiS S"ORE DUST % 08S VUURS TSTMS L/OR RAIN C/OR PAIL WITH FOG C/OR BLOWING C/OR A/COST TOTAL (LST) I DRIZZLt C/OR SLEET "RECIP FAZE SNOW SAND 10 0es DRIZZLE VISION n.-cz I.u (.3-OS i t..-ru.6 7.L ?U '.9-I I ; I'-14 I.A I au I.F 7.j o n TOTALS L 1l ;

16 (i.oaal CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURREJCE OF EATPER CONDITIONS LSAFEIAC FRON NOURLY OASCRVATIONS. AIR 4EATI-ER SERVICEIH&C STATION NUMBER: STATION NAME: NIAGARA FALLS IAP NY PEPIOD OF RECORD: MONTH= JUL I RAIN FRZING SNOW I OAS S-OKE DUST I ass FOURS TSTS &/OR RAIt &/OR AlL WIl FOG lor BLOWING IGR T.OTAL 15(LSTI DRIZZLL C/OR SLEET PRECIP PAZE SNOW SAND 10 08S DRIZZLE VISION c.0 6., !C!-O5 2,7 1i S 930 Z6-PA.6 5.b ul-ik S S I i I b TCTALS is STATION NUrlJEP: STATICN NAME: NIAGARA FALLS IAP NYI PERIOD OF RECORD: MONTH: AU. I RAIN FRZIP;G SNOW I O6s SPOKE DUST 2 OBS FOLPS J TSTMS &/OR RAIN C/OR P'AIL WITH FoG C/OR BLOWING C/OR 8l65 TOTAL ILSTI I DRIZZLE C/OR SLEET PRELIP VAZE SNOW SAND TO 0Ss OPIZZLE VISION... -'-! ?.a 7C ri-cs 2.8 7, 7.5? ;8.2 93U I ? Cl-Il ? l-l b.8 5.5?2.0 i ? b ; ;9.8 93, zi-2 I k TCTALS b.1 IS.L 16.9?.6 7t1C k -4,.',op " ',

17 GLOTIAL CLIMATOLOGY BRANCO' PERCENTACE FREQUENCY OF OCCUPRENCE OF EATPfEP CONOITIONS usafetac FROM HOURLY OSERVATIONS AIR 6EATHR service/mac STATION NUHOR: 7252o7 STATICN NAME: NIAGARA FALLS lap NY PERIOD OF RECORD: MONTH* SEP... HOURS RAIN VRZ1NO SNOW ;;ss4... I OpS S OKL DUST Nouns ISTMS &/OR RAIN &/OR HAIL WITH FOG EIOR BLOWIN G 9/OR W/CBS1 TIAL (LSTI DRIZZLL &/OR SLEET PRECIP PAZE SNOW SAND 10 CBS DRIZZLE VISION CC CS-OS i ;2.9 9oo c.6*-ce L l'11 l.c 7.a * 1O : * TOTALS ;2.U STATION NUMBER: 7?2s.87 STATICN NAME: NIAGARA FALLS ZAP NY PERIOD OF RECORD:?7-86 MONTV: OCT... RAIN FRZING SNOW I OHS SMOKE OUST 1 O8s HOUrS I TSTMS C/OR RAIN C/OR HAIL WITH FOG &/OR BLOWING 9/OR /?W0ST TOTAL ILST) I DRIZZLE &OP SLEET PRECIP HAZE SNOW SAND 10 OS DRILZLE VISION o d IS.3.8 IS.? ''-0% I.* L I i Z I-1 I * 9.9 * I IU I-20.z I1.h il.b.4 I mm TOTALS.? F4. C C......,.._ ,.....e S e *... eeoc...,,,co )/.

18 GLOBAL CLIMATOLOGV BRINC4 USAFETAC AIR WEATI-E SERVICE/PAC PRCLNTAGE FRECUEtjCT or OCCURRENCE OF WEAIHER CONDITIONS rhom gourly ObSERVATIONs STT06NME:?Sb TTO4NAME: NIAGARA FALLS IAP NV PERIOD Or RECOPD: MONTHt NOV RAIN FRZING sno% D 0ES SPOKE DuSt O Des FOURS TSTMS &/OR RIN LI/OR HAIL WITH FO C/OR BLOWING &/OR W/OST TOTAL ILSTi I ORIZZLL L/OR SLEET PRECIP HAZE SNOW SAND 10 Des I OPIZZLE VISION tc-c2 18I.C f!-'s C0 rb-rb Soo L'-1I ; ip S T TOTALS ?f b TArID T NLP3k: STATION NAME. NIAGARA FALLS lap NV PERIOD OF RECORD: 7?-66 "ONTO: DEC... IRAIN rrzing SNOb, I OnS SPOKE DUST x 08$ HOURS TSTMS L/OR RAIl CiOR HAIL Ails, FOG /ORn BLOdING &/OR 11/b6 TOTAL A ILSTI GRIZZLE L/Op SLEET PRECIP HAZE SNOW SAND 10 Os.!DRIZZLE VISION :2-f '.?-C I Ia ! ('8 I , ; E.1 I !v ; ,28I , $ % i ;-2C.1 IC ! b "1-23 i.d I T$, I,3 :5 8: TT" l 1, bL 16,U, m'

19 GLObAL CLIPAIOLOG IRANCI- P[RCEkTAGL FRELLENv Of OCCLPMRLCE Of weaithep CONDITIONS usaftac FRO" FOUQLV ObSERVA1TONS AIR EAIH[pI SrR 9 1CLIHAC STATION NUPIAR9 I5267 SIATIC* NANE: NIAGARA FALLS 1IA MY PERIOD OF RECORD: 71-a7 6ONT$-: ALL MAIN 61 iruf 5NOW OHS SNORE OjLSI 4 08 HNnUaS TSTMS 0 RAIN* COR HAIL WITH FOG 9/Op glowing i/0 MIS? TOTAL ILSTI DRIZZLL C/1R SLEET ParCIP HAZE S NOW SAND 10 0es DRIZZLE VISION JAl' ALL iso.g 1"3 is3*1 6s.0 1.lis is.8 76sis FE E S PAP I* IS.6 2is i0.8 T10 Apt, ?.? s 7200 "AV S is0 JUN b ; S JUL 1.6 S.) S 16.3 i AU11 I.? IS.% 7I.b SEP , V ?.a.2.0?200 0C I 12,; t.L 2.9 * NOt ? 23.A 1S s DLEC u lil ; TOTALS ; ' I "S.,. :".

20 I L GLOBAL CLIPATOLOGY BRANC1- PERCENTIE OF DAYS ITO' VPRIOUS ATMOSPF'RIC PHENOPENA US ArT AC FROP DAILY OBSERVATIONS AIR,E[l4.R SERVICE/P.AC STAT10N NUMBER: STATION NAME: NIAGARA FALLS IAP t,1v PERIOD OF RECORD: $1-64. bk-87 MONTI.: ALL RAIP FRZING( SNOW % 08S.sOKE OL;ST % OBS I TSTNS L/OR RAIN L&OR HAIL WITH FOG &/OR SLONIN G &/OR Vig(8S7 TOTAL emy li. DRIZZLL &/OR SLEEi PRECIP HAZE SNOM SAND 10 OBS I RIWZLE VISION... JAN rep I oz.( 51.1 S MAR n ( APR 9.6 S i.5 t AV 10.9 S S t JUN a "a (o.% 942 JUL V AUG S SEP a90 OCT (S.6 9C2 NOV? t DEC.9 3b ns I q "i I " i~ L "! :i 4 ;

21 pp praa p:ppppppp AAALA RMRRRRA T1IIW ~ ls** pp pp amaa A an A R R TT Be Be pp p aa s A R" R 11TT5 pp1:aaaa A ARl TI emsi ess PP AS a AR A II S I

22 P, FEUC PRECIPITATISN, SNOWUALL AN0 SNOW DEPTH SUNNMAIES "' Pf *N&f FRIOUECV OF NVARIOUS SILT ANOUNTS OF PRECIPITATION ISNOMFALL *N(THESE SUNHARIES DERIV? FOPM SUMMARY OF DAY DATA. AND SNOW DfPTH1 SUMMANIES:.1 DATA IS SUPHAUIZED NONTHLY AND ANNUALLY WITH ALL YEARS COMBINED., OSPLAYCO ARga PERCENT O r DAYs VITH REASURAILE &NOUNS, A PERCENT OF DAYS WITH NO AMOUNTS, TRACES, GIVEN ANOUNTSt,1" PEANSo GREATEST AROUNIS ANS LEAST AMOUNTS ITNE STATISTICAL VALUES AE NOT INCLUDED IN THE SNOW DEPTV SUNARI BECAUSE OF THEIR DOUBTFUL AIN LINITED VALUES.. ALSO PROVICEO ARE THE OBSEiVATION COUNTS. A VALUE OF *.0" 1N THESE TlALES INDICA US LESS THAN.OS% WHICH USUALLY 1NO1CAIES ONLY ONE OCCURRENCE., EXWYSEE DAILY APUNITS OF PRECIPITATION ISNOWALL AND SNOW KPTHS SUMARIES DATA DEIIVED F,O" SUtNARY or O DATA PRESENTED AMC THE ltrinen DAILY ANOUNTS Of PRECIPITATION SNOWFALL AND SNOW DEPTH BY INDIVIDUAL MONICA AND YEAR. ALSO PRESENTED ARE THE EANS, STANDARO DEVIATIONS AND TOTAL OSERVATIONS COUNTS. AN ASTERISI " " PRINTED I THE TABLES INDICATES THAT THE 9LTEEPlE VALUE FOR THAT YEAR AN DENIVES FON AN INCOMPLETE NORTH CAI LEAST ONE DAY OF 14 NORTH IS PISSNiWS. W1001 A *OI PAS VALID OtEVAIIOUNS REPORTED OUT N0 OCCUOIENCES, Ifis ARE DISPLAYED IW THE TlALESt ETREPE OAILV PRECIPITATIONs ".00" ANALS UNOW FOR TPE PONT IHIIROTS- ETtllEPC DAILY SNOWF.Lt ".0" EOUALS NONE FOR THE NORUTH ITE0N1T, ENTEPE DAILY SNOW SEPTH, "0" ElUALS NONE FOR THE NOTH IWSHOLE INCKSI NORTH TOTAL NOWYNLI APSINS OF PRECIPITATION AD SNOWFALL SUNMAIES OATA 1111V FOGD SUNARY OF ol DATA. DATA PRESENTED DV YEAS Am NONT. ALSO PRESENTED ARE TE NEANS, STANDARD DEVIATIONS AND TOTAL ORSERWVATON CoUTS'. AN ASTERISK "a" IN 1t TLES INDICATES TPAT ONE o "ot OAS WER[ NISSINT FO TPU SORTV. NO OCCRRENCES Fee nthe PaNTH AnE INDICATiE DY ZERSS. if TE ANOUNT IS A TRACE9 THEN "TRACE, IS PRINTED IN Tle TABLES.L STATISTICAL VALUES SO NOT INCLUDE MEASUMENTS FRO INCOPOLETE MONTHS.

23 IL...LOAt CLIMIIOLOGY BRANCO. PERCENTAGE FR[0UrNCY OF OCCUPRENCE OF PRECXPITATION US AT Cl AC FROM SUIPAQV OF OAY ATA AIR W[AwER SERvICCIPAC STATION NUMBERI STATION NAMhE NIAGARA FALLS TAP NY PERIOO OF RECORD: S1-64, 6*-I7 AMOUNTS IN INCHES I I I.521.o6I s I i.al 2.1 I Sj.c I OVER j I oaysl TOTAL, OMfMLV AMOUNTS I I I 1 O0 T0I 'o I to I To I 10 I 1 0 I 10 I T I, 1 HI ONIT - I NONE TRAC'.Cj I. OSI.1l O S n O I PEAS I 0BS I " I I I I I I IS I I I I I MIS I I MAN GREAIEST LEASI mjan 10.6 J.:l % s01 i I.22 re Z 1 27.A017., I S 5.51 I I I 8#015 I 2.33 %.5% s6 -aq 3G.c ZS.11 S.1.I1, At s I I API S IOS I I I SI 1.* 1 I I7I930 2,'l 0,1? 1.0.A I blcl I , 9161 ;.Is JU, I.0 5I I I 5 I III JUL S !* 1.6 1, S TRACE I I S I I 5 I IIIIII * AUG S S S I I, I I I I 5 5 5IIII 'rp r S.e I s6l S.85 S. I ?1 I S I I I I I I I 5 I I S III I acc I r %.65 S.31 S %.% I5 5 5 IIIS J S OV t I i 9.91 I I I IISII toll S OLC I1.2 I 27.C AI10.S S.9 i S 1.7% 1.09 ANN I I I I "I ,, -

24 GO 1. CLMAIOLOIT BRANCH LXTRELN VALUES Of PRECIPITATION USAF(IAC IFRO DAILY CBSER 8 3ONS) AIR14 WE114(8 SfVICEINAC STATION NI'PER6: SlATION NAI1 NIAGARA FALLS lap NV PERI0 Of RECOPD SI ' ; ; HOUR AMOUNTSIN 1CHES IN." -P-a-N-I -0..S. ALL YEAR 1 JAR Fl i 4"A APR %AT JU4 JUL AUG 'SP OCT NOV LEC NONITS... :;... SZ 51"I I ,11 1:5S.53,SS.59.9S " * : Sj 3.3 I.o T ,SS 3.3 ss o ,SS Z Z ,52 so.76 *9.15.6% i * , *.80 *RACE s% I b S % # I 1.20, c o, b *So ' S q.9S s J%.0S.98 I.U ?s. b*z s 1.bO A75 vs i S , S ;? b ?.601 b1..bs &lb.7s I.7C ?.i,ST SI to *SS s5.?? S S I S.10 3*C NOE * 4IASLD ON LESS I18N FULL 0N1TS CONTINUED ON kex1 PAGE......, -,..1

25 .1 64 AnAL CLIMIATOLOGY BANMCH EXT PI.L VALUES OF PqECIPITATION USAFET AC IFROP DlAILY OBSERVATIONSS AIR WtATiEN SERVICE/IAL STATION NUMqPEP: S IAT ION NAMES NIAGARA FALLS TAP MY ~ PEPIOO Of RECORD: SI-64, ES-8? II HOUR AMOUNT!, INi INCHES I.I-Ohk-TF S AL L VEAP I JAN FEB "An APR "AV JUN JUL AUG SEP OCT NO V EEC RNWI. es ? loll e6. as ss q? s6 I.E! to.31!3! *5v9.* bl TOTAL () be S NOTE SIBASEO 0N LESS THAN8 FULL "ONINS1 -k AL

26 '*'. GL_ AL CLIMAIOLOSGV OAICP NUN7PLY PRECIPITATION usafltac Ilo MLATHERI IrROM DAILY OBSERVATIONS) SENVICrfMAC... :" "... ';.. ;... STATION NUMEKu: STATION NAMSla IAGARA FALLS ap NT PERIOD OF RECORO: LB-B7 TOTAL NOILVPPECIPITATION IN, -",,0.N-T-H-S- INC1S ALL Yt*8 I JA# FEB MAR APR MAY JUN JUL AUG SEP Oct Nov LEC MOLTH ; ::; U J i l1.8% ss3 Z.27 1.$ S SS c SS S *1 5s!: : % 3S * : I 6a UI S S lq I.5r z S s o2.65 OTR7AC ' I % S ' S *.97 1lo S : Z.b% b S b S * S SI S S.Os % c S OS %.1s q.76 a s S 4.3 S ' i S il NOT E ON LE$S WTAN FI'LL MONfI-Sl CONTINUED ON 106EX PAGEo o-,i4~. IS

27 GIOSAL CLINATOLOSY WRNC LSAF I I c AIR hgat.[ SEP ICEI~a MOdTI-ly PRE CIP ITAII10N IFPOM DAIL V ObSE RV TI IYS3 STATION WUNP:~ 72S267 STATION NAME: w1i(.ara FALLS RAP hy PERIOD Of RECORD: kbsg? A 7.16 TOTAL HONTl-t PRECIPITATION IN INCH4ES FEBAPR Pho T-H-s- ALL... o...o...o...o...o q

28 GLOBAL CLIPATOLOGY BRANCH US AF E TAC AIR *EAIHER SERVICEIMAC PERCENTAGE FPEOUENCV OF OCCURNENC[ OF SNOWFALL FROM SUPPARY CF OAY DATA STATION NLIP8ER: STATION NAME: 41AGARA FALLS lap NY PCPIOD OF RECORD: 51-64, b AMOUNIS IN I4CHES I I C.1 I S1 Z.5 I 3.s #.5 I 6.5 I 10.5 I I OVER 1 2 DAYSI TOTALI PONTHLY ANOUNTS I TOI lo0 T To T I To TO I TO To I To I To I I W1TH I MOI.T NONE ITRACCI C I 3.6 I I IS.6 I 25.6 I 50.H 5.6 I E MEAS I OBS I I Ii I I I I I I I I I I ANTS I I MEAN GREATEST LEAST I I I I I I I JAN i 16.1 i ? E I I I I I I I I I I I I III FEB I 2S f.e I I I ~I I I I I I I I III I PAP I f I I I I I I I I I I I I I I I I S IC 11.: TRAcE I I I I PAT TRACE.6.0 I I I JUN 1I CI I I J L i I I 1 I I I Ini.O I I I SEP I OI TRACE TRACE.0 I I I I II I Oct : ii I I I I I I I I I NuV S t TRACE I I I I I I I I I I I I I DEC S S.71 2.SI , I I I I I I I I III I I I I A,1 I l.61.5 I.3 I I I 16.9 I 1g966l 67.S -!L %' \' %.A

29 GLOBAL CLIMAIOLOGV PRANCF' EXTRLPE VALUES OF SNOWFALL USAFETAC IFROM DAILY ORSERvATIONSI AIR WEATHER SERVICEfMAC STATION NUMBER: STATION NAME: NIAGARA FALLS IAP NY PERIOD OF RECORD: (8-87 i : ' T...I NC E 26, VODR AMOUNTS IN INCI-ES -M-O-N-T---S YEAP JAN FEB MAR ApR MAY JUN JUL AUG SEP OCT NOV EC MONTHS s5 I *.a.c C.I TRACE TRACE * ! * D !'.1 S.j 8.8 *.1 * TRACF ss I 2.? TRACE S6 I * TRACE.C.0.0 TRACE *0 TRACE se ; TRACE TRACE *, *.o.0.0 *.0 * Z.8 63 * * : *,0 68 * TRACE U b , TRACE , I ! ,C.0.0 *0.0 TRACE TRACE TRACE S S I TRACE TRACE 6.9 E TRACE TRACE 1.2 f c I.S TRACE.0.0.C.0 TRACE 4.2 E A? TRACE TRACE! so TRACE I TRACE TRACE P R3! TRACE TRACE ALL NOTE * IeASE0 ON LESS THAN FULL MONTHS) CONTINUED ON fext PAGE _.,,,..

30 ILI GLOBAL CLIMATOLOGY BRANCH EXTREME VALUES OF SNOWFALL USAFETAC IFROM OAILY OBSERVATIONS) AIR WFATHER SERVIC/MAC, STATION4 NUMBER: STATION NAME: NIAGARA FALLS TAP NY PERIOD OF RECORD: 51-64, " " i HOUR AMOUNTS IN INCHESAL S-iON-T -H-S- ALL YEAR I JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV EEC MONTI-S a4 I TRACE I , "36 I r I PLAN I UO.00 TRACE j 7.51 S.D. I COO L4S TOTAL O05 I 949 8Q q NOTE S (BASED ON LESS T-AN FULL MONTPSI

31 blopal CLIMAIOLOGY PRANCH MONTHLY SNOWFALL. USAFEIAC (FRC DAILY OBSERVATIONSI AIR weather SERVICE/MAC * STATION NUMBER: STATION NAME: NIANARA FALLS TAP NT PERIOD OF RLCORO: 51-64, (8-b7 TOTAL MONTHLY SNOWFALL IN INCHES -M-O-N-T ALL YEAR JAN FE 1AR ApR MAY JUN JUL AUG SEP OCT NOV LEC MONTfS 1' 5 I *.n z TRACE 0 C.0.0 v0 TRACE *.b 14.8 * I1.3 Ilu. 2.7 * *5.8 S * TRACE ' *63.5 SS 1?.0 Q TRACE 6.1 2' * TRACE TRACE !'..P *0 TRACE 1.6 E E TRACE TRACE * *1!.3.C.0 '.7 *2.S 1.6 li.5 63 *17.7 s It.3 *0S '.0 6. e j TRACE lts C.0 TRACE 1.9 2E T 7 I 1.: , c I7 73?.9 II.j TRACE 3.S !.6 2' TRACE.0.c..0.o TRACE ZE b ,1 TRACE,a.0.C.0 TRACE ? *! P TRACE.0 *.0.0 TRACE e TRACE TRACE TRACE TRACE Ii.R 78.9 AO TRACE 3.3 2E.2 S TRALE c0.c.0..c TRACE.8 2C , ,0,0,0 V S * 63 I *r aace TR6CE NOTE S (TASED ON LESS THAN FULL MONTHS CONTINUED ON NEXT PAGE '. A(.. $

32 *GLOBAL CLIMATOLOGY PRANC' MONTF.LY SkOWF ALL *USAFETAC APROM DAILY OBSERVATIONAS) t.ir WtAt"ER SERVIEl/mC STATION NUMPEP: STATICN NAME: NIAGARA FALLS IAP NY PERIOD OF RECORD: SI-ta, es-a? TOTAL MUNTL SNOWFALL IN INC.ESv YEA JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV E~C MONTHS T 84 S.7 ZA RACI f TI5 3q a !.l * A3 8.6:..0.0 S.D. 10.C CO o TOTAL ai86 4Z9 89? $ NO0TE *IBASED ON LESS TIPAN FULL "ONRIPS)

33 UL3bAL CLIMA'OLOf, nrakc)- PNCENTAGE FPOCUENCV OF OCCUPRLNCE OF ShO)w DrPTP.jSAVI[AC FROM SUPPfAIY OF OAY DATP AIR WEAHEN SERVICEMAI STAT10 ki*plpz STAIIC. NAME: WJAGhRA FALLS TAP NY PFIO0O Of RICORD: 51-64, 6b OU ;;.. ;.N;... I I I I * I 31 I 69 I 61 I OVP I 6 98 A I 01 ALI 1OP-Ly AMOUNIS I I I I I 10 o I To I TO I 1o I 10 I g WITH I MCNTH I NONE TRAC,, I 1 I I 3 I 6 1 I 24 I 36 I 66 I b. I 120 I 120 I EAS, I 08 I i ia I I I I I I I I I I G E AS JAN I 1z.9 1,I I!I.2.z! i.11s I "01 I I I I I I I I I I I I IIII FES 1%o? ls,1i l.b : I PA S. 71C ? 9611 AP I , "A *I96 9I6.1 JUN I 968l JtL 1.0.C 9391 AUG 1LO0.I 8681 SO P I 8101 T 99.7 I I903I rov i I I.51 i 1 I I I I I I I I II I r zi $112.S I II.b C I 3. I I I I1... '.".'..' ) -..,,f. L /,L 6 T

34 ULObAL CLIPATOLOG 5RANCF rxt.e EH VALUES Or SNOW ULPTH LSAIETAC fpu'v9 UAILY OHSET;TVATUI AIR WEaTIER SERVrICEIPAC 7.7a10 PUVNLP: 7I$267 STATICN NAM[: NIAGARA FALLS IAP NT PERIOD OF RECORD: S-6. t8-b? OAILY SNOd DEPTI, IN INCPLS I -M-O.N-T -H-S- ALL VtAR JAN FEr PAR APR Ay JL JLL AL6 SEP OCT NOv EEC eotn T1 4 S *0 0 0 a r C * 0 0 U 0 0 TRACE a 0 0 a %9 5 IV 10 f S-S S If TRACE a ) a 0 0 C s TRACE a U S R 1 o V a 5 S TRACE so TRACE R R *0 1 e ( I U a C 0 a 3 10 * *3 b e * a a T RAcV n 0 2 S II?2 7 1 q 0 U C 0 TRACE TRACE A?., I is a 3 0 a TRACE a 0 TRACE I S To is TRACE TRACE a a I 6 5 TRACE C RI C 0 T TRACE , a is s 6 TRACE 0 0 n N01 E ibased ON LESS IVAN FULL NONTPS) CONTINUED ON A.cXI PAGE... i *1 4LL

35 GLOBAL CLINATOLOY BRANCH USAF TIC AIR WrAlf(R S(IVICEtWAC E TREI[E VALUES Of SNOW DEPTH 06" DAILY ObSE9WAJIOWSI STATICN NPBLP: STATION in : NIAGARA FALLS lap NY PERIOD OF RECORD: 51-s*, DAILY SNOW DEPTH IN INCHES -P1-O..N-T-H-S- ALL YEAR JAN FEB NAB APP "Ay JUN JUL AUG SEP OCT NOV LEC NONTHS ",, ;..;...;;"'.. ;,il o.."".".."' ; I to it I 7 5 a a a A9 Co.0' TRA.C ! D * bO Z,85? 3.&94 6o... 0 TOTAL ObS I (c 961 9q4 S39.68 Poo NOTE I 1IASEO ON LESS THAN FULL MONTHS' SI

36 pppppp AALA *SRER TITIIT YI PP PP AL A RU NE11C ppppppppp A: LA RRRRUR 1I cc PPPPPPPP siaaaallaa RUASERER TY cc pp ALAAA L MR R IT CC vp AI A A Re OR it cc cc PP a A an am TT CCCCCCCC pp AA A MR Re 71 CCCCCC C It

37 K -! SNFAC[ WIND SUMARIES ENTNEE VALUS Of PEAR MliOS DATA DElViE FISm SUNMAR OF DAY D1*. VALUES PRESENTED BY INDIVIDUAL MONTH AND YEAR WITH ALL TEARS CONINED. SP[EES PRESENTED IN NKNOTS. DIRECTIONS PRESENTED IN 16 COMPASS POINTS FROM BEGINNING OF PERIOD OF RECORD THROUG1h JUNE 19*6. COMMENCING duly 1968 DIRECTIONS PRESENTED IN TENS Of DEGREES. AN ASTERISN '*" IN THE TBLES INDICATES THAT THE VALUE IS BASED ON AN INCOMPLETE MONTH Of TRElE MISSIN G OAYS. OR MOR MEANS ANO STANDARO OEVIAIIONS PRESENTED DO NOT INCLUDE INCOMPLETE COMPUTE THESE STATISTICS AND INCOMPLETE MONTHS ARE NOT INCLUDED. ONTS. FOLE OR MORE MONTHS ARE NEEDES TO TABLES ALSO INCLUDE THE OBSERVATION COUNTS. BIVARIATE PERCENTAGE FREUENCT TABULATIONS OF SURFACE MINOS OATA DERIVED FROM HOURLY DATA. PRSENTED ARE THE PENCENIaSC FRA UENCV Or MIND DIRECTION TO 16 COMPASS POINTS, CALF $NO VARIABLE versus WC SP EED I NOtS IN INCREMENTS or BEAUFORT CLASSIFICATIONS. PERCENITAES ARE SHOWN BY BOTH DIRECTIONS AND SPEED, AND TN AODIION IH[ MEAN WINO SPEED IN FO EACH DIRECTION. DATA PRESENTED &V THE STiDAND 3-HOUR TIME GROUPS By MONTH, MONTHLY AND ANNUALLY IALL YEARS COMINED$.. A SEPARATE ANNUAL TABLE PRESENTS TH0E SaME BIVARIATE DISTRIBUTIONS WITP IMPOSED CEILINGIVISIBILITY LIMITATIONS, WIKN VISIBILITIS EQUAL TO OR GREATER THAN 1/2 MILES, THE CEILINGS ARE ZOO To io0 FEET ANOo when THE CEILING IS EOIAL TO U GREATER THAN ZOO FEET, THE VISIBILITIES ARE 1/2 THROUGH 2 1/2 MILES. A PERCENTAGE VALUE OF.C IN THESE TABLES INDICATES ONE OR MORE OCCURRENCES AMOUNTING TO LESS TPA U5S%. IIN L LL

38 7- GLACAL CLIMATOLOGY RR1kCH LIIRIRI VALUES CF SUwrAtL WINOs USAFL1AC (FROM DAILY ObS"VATI.S) AlR WLAIMFR 1r36 1[/AL STATlON NU 6LP: STATION NAME: *d AIARA FALLS lap NY PL 0 IOO OF RLCORO: S8-6% LbAiLY PEFm GUSTS IN ANOS! oes- ALL SVAr I.Iql El MARI APRI MA li JUN11 JULI AUGI SLPI O(l1 NOVI LLCI MONIFS s* I6 I i I I I I I I I I S40.131lm SDI 59 1 SW1 1 SSd %21 WSW 601 SW 391 WS1 341 W 01 *1* 661 SW 421 WSW 261 w bsw*s361 WSW 60 0 I W 411 Sw 371 s 361.sW 321 Sl 231 us. 31 6sw I I I 61 I I I I I I I I I ssw*33i SS 311 I SsI A 4S 62 $ si *4 I So *6qcI l 94.1 bsi 621 Sm32 3ZI J61 I 1 IS *I?WE ujt S 19I 6 I $St. 1 S6 lid *511 ISSdASlI b6* bli $So 1.9 w *291 W 0321 W 3SI 5 SRI S.SS36I 5W osli S 61D so *S6 66 I WsoSS I IS de6 1 WeS6i 1* 331 Sw 561 * 0621 WNW *%a.i I I I I I S.U. I I I I I I I I I I 6.;6Sl TO AL OS 1 1S11 lnl loci loci l9 I Z NCTIf * IBASED Oh LESS Tf-AN FULL MOdI $l S 4PASrO ON LESS TWA% FULL MONMS AldO *100 KNOT) L 6l ". A

39 blo:34l CLIPATOL06Y 59ANCF PE(CLkr$G( FeE(CCr or OCCUPRcNa or SURFACt WIND DIRECTION VERSUS WIND SJWEE.JSAFEI*C trow I 0 URLY OBSERVATIONS AIR..!AIHFP SIRVI'EI/AC NUPKI$t 7;i2t? STAIICAI NAME.!IAGARD FALLS TAP Nll PEO100 OF RECORD:?P-A7 MONTlP: JAN I'OUR3.ILSII: I h.kro SPEED IN KNOTS DIFECTION t, GE 56 YLIAL "EAN I r s G~ L. 3.? 2.! A. 2 $ !st " G. 3 S1. 9..p SR. 2.C s 12.0 Sw , b.? s S I1r ,.7.? 9.4 f~ ? c CAL" /1/.4 -: 4-

40 GLO:AL tlipavologv PRANCH PERCENTAGE FRLUENCY OF OCCUPRENCL OF SURFACE WIND DIRECTION V(RSUS WIND StEEU USAFETAC FRO- OLRLY OBSERVATIONS AIR.ATHER4 SrRVICEIqAC SIAION NUPER STAIICN NAME: l~pbapa FALLS IAP PY PERIOD OF PECORO: 1P-8 MONTH: JAN HOUR 5 1LST): 33l-0.OO I UWIND!PEED IN KNOTS IUJI'LCTION 1 _- 4-(, T-I ?P U o98-55 GE 56 T.,IAL MEAN * IuiRFjS1 I W IND '.3 i..1 1.o ,N(.*.9. I.I e. P1 IE ,2 9.7 r,e C c i.-" E I,., ,? ,S r-., C SSW c W, ,? , ; 2.7 1, * S0. 7(. 2. p I IO. ''.t , t,1, C "* yakniahir 9 I A TOTALS I!.I 1., Z z *TOTAL. NUi9lEQ OF 0'S'42A31ONS: qir

41 LO,AL CLINATOLOGY PRAJCH PERCNTI&GE FRECUENCY or OCCURREECL OF SURFACE WIND DIRECTION VERSUS WIND SPEEO USAFETAC FRO- OLRLY OBSERVATIONS AIR I.ATHER SERVICE/MAC STATION NUMITR:?25267 STATION NAME: NIAGARA FALLS TAP NV PE91O0 OF RECOPO: MONTH: JAN HOURSILSTI: t RIND SPEE IN KNOTS UIRECTIDOI C s GE 56 TCTAL FEAN 6OF6QL[S3 I 6 WIND N I *2, NNE I.9.2.., Ih NE % IC o.3 3,? 8.7 S6.,.6S ,5 F sr Sf.2.9 e C S I *S t* 2.f SS6 I Sa I , I.s ISA.1 f % 2.0.q.2 lb.3 14.C I Wk 1.? M i I #6 A,.4* a TOTAL?, '3o! TOTAL humfr,0 CF O!Sf8VA1IONS: 93b xl iit

42 S I ts 'iii ULC:,AL CLItPIOLOGI ('RATICH rlqccnta6r inc UCNCY Or OLCC:qRcNcr OF SURFACE WIND DIRECTIONS VERSUS WIND ST EEO jsat CFRO- FOtWtY OSRAIN AIR4 WEATHER SERV1C'E/9'dC STATInN NUMSEL: STAIICN NAME: NIAGARA FALLS 1 8 F NlY PERIOD OF RECORD: MONIR: JAN HoUgSiLSuI: 09L) IiINO!PEEO TN KNOTS UZPECTIu'4 I 23 N ) ,? 1-3 IN-NO 2 3 4I-NI be, 56 ICiAC MEAN I... *N I J * 5$"!TA I NE I.'*.O~.3OBE3.4TO j *N[ I.p E I.E I. 1.r L.6.~ ESE 1.1* I ~l~ VTTn A I ASlr UE{ LrlGg IAL SE I 1.9 ~ z Z/DO LOD SS I.T1.4 j SSW I N Ib ic i3.i1 45. p 2.r P. i W b.6 q Eli[* i5 0 02q~q.8L I i UNhv.a to.' N I 1. a fi. I.N 1.2 IA j2.s C A LM TOTALS IJ7 /I/ I //jjji/jji~~j/jj I// If///// I//////jl/// /f 1 /1/////, / /41/il 2p..e 37.t A.9!.g N 11.c TOJAL 0 1C.UNEQ I 930.F.I.1N.S

43 LLO:AL CLIFAIOLOGY PR CH PERCENTAGE FRE :)UENCY OF OCCURR!NCE OF SURFACE kind UTRECIION VERSUS WINO St EEO USAFEYAC FRO- 1OIILY OBSERVATIONS AIR i(aihtn SERVICE/MAC SIA11ON NUMHER: 72S287 STAIION NAME: NIAUARA FALLS IAP NY PEOIOD OF RECORD: MONTH: JA N HOURSILSTI: IwIN SPEED IN KNOTS DIPLCIutj I lb P GE 56 TcTAL MEAN IDUGOEESI I WIND... ;... N 3 a te N.1.1.N NE.Z..P F I, o 4 N R.4 V.7 fsf se ssr.2 I S 1 1.! 2.C 1.4.S S.2 1.e P SW, K Sw C N.9, l0.s C ln.c V. t I N hi. I l. i.p I N.:.I *N 1 l.1f VA6IAFLE I I ftals I J 10 1 A L hiimn OF OSERVA 1rI 1S : qo

44 ... S I I (.LCAL CLIPAIOLOGY t4rawjcn I'RCEI.7AGE FRELUENCY OF OCCURRENCE OF SURFACE WINDo DIRECTION FRosus WIND SUEED US AFElAC FPAO" V01419 OPSERVAIIONS AIR WEAIHEP SERVICE/MAC b(3l STATION 'U' CLXr- NUM-LP: ERNC 5[R~TG TOOG 7151,87 STA) ION NAME: NIAGARA F1[I FALLS C lap MY F UFC ID01[TO PEQ170 OF RECORD: FSU I S' tf WINDtC MONTH: JAN MOUMSfLSTI: 1S I WINE) SPEEn IN XNOyS 0 1PE C IIiN m 1-! ( ;, 7?'P-3! 34-4c S TOTAL PEAN. 1. C 1.3.O3.2 F L t.n.4 a NT r.4 H JNE O. T E se I...,..8.5 Sr F S 1.' 1.q.9, T 5-SS , 3 S.s Ws,.2 1. I 2.5 A ? i 1* NW C hn IO ,. 1 I. r CALV i I I f / I I t i I I I ////I/ 5.5 I/U/i IOTALS 1.' ! TOTAL NuM[LP OF 0;iSERVATIO*S: 9j L

45 K G LOJ'AL CLIMATOLOGT RANCH USAFEIAC 6IR.EAVHrp SERVICF/AC PERCEUTAGE FREQUENCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WINO SFEED FRO' POL'LV OBSERVATIONS STAICN NUMER: STATION NAME: NIAGARA FALLS lap NY PERIOD OF PECORO: MONTH: J&N HOURSILSTI: CO IIND SPEED IN KNOTS J ECTIIU 1-! it GE 56 ICIAL PEAN IUEbGREESI II WIND tne E. *9.1 * I.r E E SE SF 'sr S S.1.I s5u.i 1 2,' 2,..,6, Su.2 1.r I P S N hw "h.9, i.8, VARIAPLE I 1(IILS I ! 3! r O.9 TOML NUMBLR OF OSERVAIIONS: A -L.-

46 113j.AL CLIMATOLOGY QPAi4Clt PLIPLENTAGE FE'U..LNCY OF OCCU4RENCL OF SURFACE WID DIRECTION VERSUS WINI SIf.O usaretac FQOM OL'8LV OBSFRVAYIONS AIR LATH[1 SERVICL/MAC 5TATIC% NEt/UL: 7,5287 STATIN NAML: NJIAGARA FALLS TOP NY PRE100 Of RICOPD: MONTH: JA N HOURSILSII: ZIJn-ZiO I WIND SF7E IN KNOTS O'rClTIo N I-! A ?7 2P-33 3A-AC Al-A7 A8-55 GE 56 TOOL MEAN I DE GLrS 1 W IND.~~..., =..,; ;...,... I INN ".1.2".2.; c r -..,.4.NE E".4 3.C 2.e 2. D , SE A s S.-.6 l.a 5.6 S I., e.1 I l, Sw.I.A 2.3 P.4.9." S A * ,L U3jh: I S~ NW I P. 2, S.1 I0.9 CL./ 1./ 1.3 J/ VAIAI t TOTALS 95., , AL NUIBEP Of OfSERVA ItONS: 930

47 ULOFAL CLIVATOLOGY BRANCH PLRCLhTAGE FPL.UENCY OF CCCUPRENCE OF SURFACE WIND CIRECTION VERSUS WIND STEED USAFElAC FRO FOLRLY OBSERVATIONS AIR WfAfHRP SERVICE/MAC STATION NIMTE: AIION NAME& NIAGARA FALLS IAP NV3 PERIOD OF RECOP: MONTH: JAN HOURSILSTI: ALL I SPEEO IN KNOTS Elr3LCIIC I b P GE 56 TLIAL MEAN iucu 1 LrS 5 I I WIND K Z NNE.1.6.4, Nf,1.0. 3, [NE q L. 2, ' I SE.'.o C SE c SSE I..P.6 7! S 0. j F SSW.1,R S..1 1, Sw P ,I n.2 2ZC.O q I.p r., ,N , VA kiab L r CAL III TOIALS ! b T1AL NURPLE CF O'SURVAIIONS: 7440 IL " P

48 .LOLAL CLI"ATOLOGY PRANCH PL$ZCEFTACL FI EhXECY OF OCCURRE.CL OF SURFACE WIND OIRECTION VERSUS WIND SFEELU USAFETAC FRO- VOl'RLv OFSRVAIIONS AIR wratine SRVICEIMAC SIAI1CN NUFIEP: 7??67 SIAIIOK NAME: NIAGARA FALLS IJ NTy PLPIOD OF PLCORO: 7-87 MONTH: PEF HOURSILSTI: 0000-OiOO I wind SPEED IN KNOTS - CIPECTION I - ' F-33 3F-NO 41-t GE 56 TGTAL MEAN IODEI [ESI I W MIND I.1 1.' 2.' ID.I.fr,.7 1.' %F, , fne , L f St S.C A[ I.8 6.N SSE.7.2,I S, A. 8.2 SS *1 2.A 3.r,", S I, 1. ' A ASW I.1 N ll9 w..( ^ WNW.N ? 6.9 N..4 I.4. I t, NW 1 * l.t.2,.6. VfRIABLF * CAL 8.6 1/./ TOIALS I.* ' O IOTL NUMCER OF OISERVATIONS: 8N6 ji

49 CLOLAL HLIMATLUGT BRANCH us A FITAC AI. deather SERVICE/MAC PE.CE TA E FF..UECY OF O,.CURRENCE OF SURFACE WIND DIRECTION VERSUS WINO SFEEO FROM "OLLY OBSERVATIONS STA10f. NUPILR: 152a7 STATICN NAME: PJIACAPf FALLS TAP NY PEPIOD OF RECOPO: ONTH: FEB HOURSfLST1: CO0-O0OG I- INU SPEED TN KNOTS L, IPECTION U ,2-2 1 " SS GE 56 TOTAL MEAN 40t bqefs1 I W IND " I *9 1.t I -NF.2.F NE.4 *K.9.m "NE I. i E a.r f SE r b I.7 1. r ssr S e S*w S14 T 1. p 4.F :SI r ,.; i0.5., S NJ4 1.4.P N ? t , " VtRTAPL r I :! t CA L4 / /I /// IjI //111///I/j /lii/////ji/ I/JIj/I/1I/UIIt/j//I/ ill TOTALS I C L1.1 2S.; TOTAL NUMV71. OF ORSERVAIONS: P76. L - - *--* ,4...

50 GLO -A CLIPAIOLUGY VRA'4CH PERCENTAGE FREQUE.NCY OF OCCL'RRE(NE OF SIRFACE WINU DIRECTION VERSUS W-140 SfED LSAFI AC FPO- FOtQLY OBSEPVATIONS AIR E(ATHER SERVICE/MAC STATION NUMRLR: STAITON NAME: NIAGARA FALLS IAF NY PEolOD OF PECOPO: 7P-87 MONTH: FEB HOUq slsti: 06JO-080) I - WIND SPEED IN KNOTS v ILC 11N f ?-21 2t-3S 34-4O %e-55 GE 56 T(IAL MEAN IOr GRE I I % WINO 1%,f * SNr..6.I NE.2 1, LNC ? C.7 2.q FS LE [ f.t s S I.4 4..r 1.1. ' !sw.;? sw ,.S I.' ~ P " I GW 'r 7.9 N I *3 10,9 N.N4.!.9 1.! * V8TT 1AR]L I * CALM /// // //iuiuu// /////i / I/ 6.3 1/I// It TALS I 5.7 2c.7 Z ,1 1 ldc,0 8.5 TOTAL NUIPIPEO OF OrSERVATIONS: '4, /L.. t-

51 - I LUJAL CLIPATOLO&V fl2aa CH PEPCEI.TAGE FI (.U.NCV Of OLCUQ9(NC" OF SURFICE WINO DIkCTION VFR5US WING SF EEO jrr s Ac Roo -'OLRLY OISFRVATION% AIR EfAlHrp SLRVIC/4C/. staiicn NUPnLP: 7I52l $TAlION NAML: NI*G(RP FALLS TAP NY PEolOli OF RECORD: MOiNTH: rfe HOURs(LSTI: 0900O I INO SPEU IN KN015 UI31LCT1IN b 7-IC' ? 2P-3L AC 56 T(TAL L4AN 4 RErFS) I 9 WIND f. NE.7 8 I.q 9.6 %E:. 2.C rj..6 "l I. 2.2 S re I SL ' ss w , SS.,,f ' l C Vw I l' ,.651 5%w.1 q.s,,444 I N,N z s... VAPA4L I I 1 f lls 2.7. s.p ( TOTAL NupfiE r of OISERVAIIONS: I6

52 6LOkAL CLIPAlOL06T RNA CH PLPC[tA6C FRLUlC OF OCCURRENCE OF SURQFCE WIND DIRECTION V(RSUS WND S#EEO USSETCIA FRO- 11OLWLY OBSERVATIONS AIR WfATHEP S[RV]CE/[AC STATION NUIPILP: SYA2ICN NAME: NIAGARA FALLS ZAP f'v PERIOD OF RECOPD: '-Rp7 MONTH: FIB NOURsILSII: ,00 I IhO9 SP[EO IN KNOTS 01(C1IUN 1 l j P s GE Sb TLTAL MEAN 40FES 2 WIND N!I 1.l O,.5 1.1, , ifs,' I.I I p It S 1.1 I.q.1 t, 9-2 I.' S I , A 929 I ? r.: sw : t. z 1.? v P16, ~ ' S ' VAWIARLE C ALe lm/l /I/ /I Z. 7 litisld S101*6L$ % 3! L kuml[" OF O"SrRVA1I0S: 896.._ L.,

53 -e -- blotial CLIMATOLOGY BRANCH PERCENTAGE FRLEUENCY OF OCCU9RVNE UF SURFACE WiND DIRECTION VERSUS WIND SILED USAFETAC FRO" FOIRL OPSERVATIONS AIR 4EATHEP SERVIC!/MJAC STATION NUMPLP: 7:zs? 5 TCION NAME: NIAGARA FALLS IAr NY PE(?IOD OF RECORD: 7'-87 " MONTH: FEL NOURsILSTI: I wlnn SPEETT IN KNOTS DIECTI0 I 1-3 N-b 7-1D P-33 N-0 NI-N? NR-S5 GE 56 T(7I PAAL ME- IUE REESD I MIND N%. 1.' SZ 8.3 mc f 8' Nt ,O.p 1., N ES. K1a ~ se I C * E N S f.I '56,q 2.r. 1,8 6.6 S4 I P ,5 S.q 3.2 E.& 3.n d,., I.s NN I 1 *..1 N. C c No I L A L' TOTALS I. 1.e ,. I o.6... TOlL humeq 07 OtSERYATIOtIS: 046 [. i I

54 GLJeAL CLI"AIOLObV 816AJEH usaf IAC AIR 4EAlHEP SERVICE:I/MC PLPCErTAG[ FVLZUEtJNCY OF OCCU REN.CE OF SURFACE WIND OIRECTION VERSUS WINO SEED FROM FO.RLV OPSERVATIONS 1ST1ICN hp16,ec.: 727 STAIICK NAMLI NIAGARA FALLS lar tnt PE[IOD OF RECORD: MONTH: FEB HOURS(LsTP: 180-C I WIND 5PVED TN KNOTS DIF'ECl1(' I!-I 4-c 7-1c P O GE r;6 T.TAL MEAN *- 0tr TrSl JI I WINO h.' t.6 4.S 9.2 *~ NF * NE 1. S a?.i FNE c.q a F* I, SE *p * * b r.6 5, S * I".5 1.! Sw. I % W A' I N4W hu I I LAW~~~~~ ~ TOTALS I C TOTAL furp6l OF O"SERVAIIONS: P46 L ' Ag

55 " t5lj.al CL1PtAOLO.V RRH CIH PERCENIAGE FPCU[hCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WINO SFEED usafetac FROM lot'rit OPSEPVAI1ON% AIR 61.ATHER SERVICCEiP4AC STATION NUMIJTF: 7-52,A7 SAT ION NAME: NIAbARA FALLS TAP NI PERIOD OF RECORD: A-87 MONTH: FEB HOURSILSTI: 210C-2300 WIND SPEE. IN ANOTS bit'ec3ion I i I GE 56 ItiAL MEAN OEIDEREESI WIND N I. l.q I NNr,1.2, h[ E1.2, ? r't r 1.4t, C! L 7. I 3.R 2.6,4 ln4 P.5 I SE.7 Z.c S.4 SE..2.F Sir s I I S,. I V.$ 10.6 u, ,. 1.5.? I.2 2.S s.' S.C knw. 2.1 * s tl,, Nd TOTALS I 8*' ' " IO1AL NUMELO'. OF D' SVRIVAIIONS: Pe.6 IA

56 r. 6LLOJ AL CLIATOLOf 8RA,CH PLRCEITYGE FRE AUNCY or OCCijRRENC OF SURFACE WINU DIRECTION VFRSUS 6lO SF EEO USDrLTAC. FRO' VOLNLY OPSFRVATIONS AIR WrATHER S[RVICIMAC 4TAVI, TN kumelf?: 7:5261 STATICN NAME: NIAGARA ralls tar in PEDI00 OF RCORD: M13NTH: FE5 HOURSILST): ALL , I wi~ln SPEED TN KNOIS0it [ I I CTI' O I ? d-55 GE S6 1TAL "AN t LrGrL F SI I W 4IN0.%. I.' NT a. I hf.1.p... ' f.r I.S 1.'. I.P I C E.6 :.7 3.! j 9.6 ".9 SE I " s,i * '--F I.I G, * S W , S. I 1.1 4, '.0 IZ-0. 65* I.. 1.r 3.7 b.- 1.5,1,! 1Y Y I j1.). I6 1.'! 2. r,.3 S T.- I f) Ia, *. ~~~~I TOTALS.r 2 ' z lc lofal N3)MP[J OF O"SFRVAIIONS: 6768 J L

57 F..LOt:AL CLIFAT'OLO6Y PRAI;CH 'LRCENIAGE FRE UENCY OF OCCURRENrE OF SURFACE WINu UIRECTION VERSUS WINE StEEO JSArETAC FRO9 -OLRLY OPSFRVATIONS AIR 6rATHLP SERVICEIMAC STAIICIJ NUP'rtF: STAI ION NAME: NIAGRA FALLS IAP 14Y PEPIOD OF PLCORO: 75-A7 MONTH:,AR HOURSILST): OOGO I WINE 2 SPEED 2 IN KNOTS Olf-ECTIUNJ 1 1-! A GE S6 rtyal MEAN A IOFL'ZEESl I t WINO... I, I;., r L." 3*o I Sf S.5.5< 'S5.1,S S S I.1 1.' 2,5 I S, 'S$w.W 2,C 3.? 2, L 2; G ' b I.. T I D I f. N ? vlriabl- ' TOTALS S p t t.umpf_ rf 0 SERVAtI ONS: q3c

58 GLJLAL CLI"ATnLOi.9 B1A!CH PERCENTAGE FREQUENCY Or OCCU~RRENCE OF SURFACE WINO DIRECTION VERSUS WIND STEED USAFEAC FRO- PIORLY OBSERVATIONS AIRS WfATH[R StElACE/PIAC STATION NUMPEP: STATION NAME: NIAGARA FALLS lap NY PERIOD OF RECORD: TAl-I? MONTH: tmar HOURSILSTI: I WIND SP(EED IN KMNOTS DIQECTIbN 1-3 N-b GE S6 TOTLE MEAN IDLt'QFSI I WIND M.9 7.1!.NF I..P.1 2~ 3.5?. N1.4 1M D 8.2 'NE I 1 l S F J." M St3. I s~ sr , ~I L CF I l WN s ?7.1 6.A 8.3 Is.4 2.r 1.? M sw I0.M 9.1 S I S jj.s 1.q C L,NW I *M 4.p Nw~.M one I. ],9 1,5 1 5, 7. ln4 I q L CAL. 7.7 I//i TOTALS,I6.7 7.R 28.S TOTAL NUMtL#? CF O'SERVAT10II5: RIO L

59 GLOtvAL CLIrA1,LOoY PRAPNCH PEPCNTAGE FRL(LUICY Of OCCUqRENCE OF SURFACE dind UIRECTION VERSUS WIND SFEEO USAFEIAC FROM tot'rly OBSERVATIONS AIR 'ATHER SEPVICL/MAL STATION NUFt'LR: 7,5287 STAYICN NAME: IAGAR4 FALLS TAP Y P[EPIO0 OF RECORD: 7P-87 MONTH: MAR HOURSILSTI: C I. INO SPEEP TN KNOTS DI0LCI&t4I ; 11-1" " u1-h7 68-SS GE 56 TtAL PEAN ftjeglrs) I 6IND W I~~~I pnr C r I r -E I. z. [I L.' S. [ ,2 sr.' Fr I * ~ Sr. i,5.3, ~ 2' ; S$. o., C. S~4 I. Z6 3.f IS.4 1.I 2.r I.n * ' N, I N'.. 7 [ ' I. [.3.' VJAPZAqL! CA I TOTALS I 6.? ? S [... TOTAL NUPIPEQ OF C['SERVATIONS.: 930

60 GLuOAL CLIIATOLOGY 3FA'JCH USAiETAC AIR WLATHEP SERVICZ/PAC PEPCEIIAGE FRELUECY OF OCCUPRENCE OF SURFACE WIND DIRECTION VERSUS WIND SFEEO FPO- V'ORLY OSERVAIIONS STATION NUM4LQ: 7;5287 STATICN NAME: NIAGARA FALLK lap NY PEPIOD OF RECORD: 7F-87 MONTH: MAR HOURSILSTI: I INr SPEED IN KNOTS VIPEC ' o GE Sb ITIAL MEAN ltees)i % WIND....* N Ir Nt.2.9 1, f1e E ' 3.1.3,14 1 c.c ISE i SE1, I.? b.9 S R St..1, S ,I Sd.2 1.c q I, S. 1.2, ? I. p 2.G 2.7 n N., *Q ,' N ALS I 2.' c.q lo ' lgial NUMPLP CF 1 m O 'SENVAT1OIJS: 930 -

61 ULO,At CLIPA7OLOGY H3ANCH PLRCENAGE FF[ cincy OF OCCURRNCE OF SUrFACE WI(4 CIRECTION VERSUS WINO SFEED USAFETAC FRO FOLRLY O1SERVA7IONS AIR.FATHER SERVICE/AC SIATION NUMPED: 7?528; STATION NAME: NIAGARA FALLS lap NY PE-1OO OF RECORD:?P-87 MnNTH: MAR HOURSILSTI: 12C I WIND SPEEO IN KNOTS LIFECllT4 I c 11-It P F, GE 56 1(TAL MEAN LDEGREES' I % IND I, I,6,E " NIdE If, 2 NI: I, 13 2.r rl.! L IC.7 FSt,..S 1.I I.? z ~.S I. 5 * I, ? 9.5 3S I. 2.0 I o SW. 3.o ) WSW , U i~ W, I (.0 Z.f a ,1.3 ( , V? RIAFLFI... IL IATALS - Il.c ( ot' TOTAL Pt,PP(Q OF oiservarions: 94C _.-.

62 F- GLOBAL climatlogv BRANCH Pf.CENTAGL FR(COULtCY OF OCCUPRE,C[ OF SURFACE WIND DIRECTION VERSUS WIND SPEEDt USAFETAC FPOM OLRLY OtSFRVATIONS IR.fATHE? SFRVICrE/rAC STAIICN NUPRER: 7,"5287 STAI ION NAME: NIAGARA FALLS IA, NY PLPIOD OF PECORD: 78-l7 MONTH: MAR HOURSALST): I WIND SPCE'r IN KNOTS UIIECIION b t GE 56 TTAL MEAN IOEb[EESI S x WIND N 1. 3.C 0.C 5.4 R.2 N N. 1.c NF.p 3.C F NE a L. 1.S 2.E FSE,1.8 * S F io.8,5 F 1.2,9 1.2 ii.. S, $$W SSw. 3.9 b WSW,. E 2.9 S , W 0 l.a , NW.? r A 1O.8 ;NLW..2 1.r ArRIARLI' I TOTALS I I.z *, TOIAL NuMP9?" Of O"SERVAtIONS: 9Y j.

63 *1w CLJJfJAL [LIPAIOLOGY FRArCH USAFETAC PERCENIAGE FRELUENCY OF OCCURRENCE QF SURFACE WIND DIRECIION VERSUS WINO SFEED FRO- POLRL OBSERVAIIONS AIR WEATHfR SERVICE/MAL STAIJCN NUMPEP: STATION NAME: PJIAGARP FALLS IAP NY PEPIOD M ONTH: OF MAR RECORD: HOURSILSTI: 78-A7 18U(!-2000 I WINr) PEED IN KNOTS DI'ECTIG4 I C ,F GE Sb TOTAL MEAN IDEb EFSI I W INO N I 1,' " 'NF * ? 7E t HE N S, [SE.! , *[ * S r, I,.4, S * SS., Sw S WS I.? I 2.R 4. 1., wl Nd* 2.p N % , VARIA(LV. TCIALS I, ,c P I...I 1UO.o TO IJAL htl.niae Of O'SERVA11ONS: Q3C

64 K GLOBAL CLI'ATOLOGY PRANCH USAFLTAC AIR '.EATHER SERVICE/IAC PERCENIAGE FECUL. CY OF OCCURRENCE UF SURFACE WIND DIRECTION VERSUS WIND SPEED FROM POLRLY OBSERNATIONS STATION NUMRER: 7252b7 STATION NAME: NIAGARP FALLS TAP NY PEPIOD OF RECORD: IR-87 MONTH: MAR HOURSILST): WIND SPEED TN KNOTS DIPECTION I 1-! It GE 56 ThAL MEAN IOF GRE FS I % WIND.5.P 'E.P h7 I IC PIE.5 Z.* E [ SE I [ I C f Sr S I SS,, IS ,,S I * T,1 IO.A 1D. wn. q,' 2.2,C N;.1 t.t 1.P 2.? O.6 N 1. ia r V PMIAPLE I I TOTALS I p ,.7, TOTAL NUM1. 0 OF OPSEHVATI0NS: &eadl

65 -i GLOtAL CLIPAIOLOGO BRANCH PERCENIAGE FREGUEFJCY OF OCCURRENCE OF SURFACL WIND UIRECIION VERSUS WIND SF11 USAFYAC FROM POERLY OBSERVATIONS AIR 6EATHER SERVICE/MAC STAIctN NUM4EP: 7752b7 STAIION NAME: NIAGARA FALLS IAP NY PERIOD OF RECORD: 7R-97 MONTH: MAR HOURSILSY): ALL... WIND SPEEo IN KNOTS UI[CIOj C ZE-33 34' GE 56 ILIAL MEAN IDE~bPE.S) 2 I WIND.... I.4 1I s 8.2 f. N NF Z F,5 q i L rse, lr.., S[ ' cse, S S. 2.0 c k. S SW I I, 4.? , hsw.2 1.' A I , hw NW C * t1 I ' vartarle ICIALS I C 31. L 6.f l TOTAL NUMtER P'F O' SERVATIOOJS: 799C L

66 F :TAI1:N :ULP: GL~>AL CL1M TOLOr PHAJCH PERCE.1A E F RPlA NCY OF OCCLP FNCE OF SURF AE E NO IRECTION VERSUS wlno Sft EO F 0 FOLHLY OBS RVA110N USAFETAC AIR bfathlr.ervice/mac 7ZSZ87 SIAT CN NAME: NIAbAPA FALLS IAP Pl' PERIOO or (ORO: 7-8R7 hsnth: M APR HoUpSILSt ' ' CI CC C b I-IV 1-1c ,7 2P GE 56 ( TAL MEDNAN." f E b;e1 S I I WIND, NE I.P 1.I KL q [I I...I E SE SL St..3 1.C.7 I g q s SF r W q Lo.I WNW., In,. Nd. 1.' S yaaflli CAL" I 66/1 TOTAL$ 7 3. c 9O.Or I. s qc TAL NU193LR OF OtSEkVA1 O'S*S ouc 1 7. L 1

67 GLOBAL CLIPATOLOGV BkANCH PLRLEI.YAGE FP[^UENCY OF OCCURRENCE OF SURFACE WINO DIRECTION VERSUS WINO S;(tD US AFTAC FRO" POLULy ObSFIVATIONS AtR 9FATHrR StRVICEttAC STA7ION NUMRLP: 7-52b? SIA ICN NAME: NIAGARA FALLS IAP NV PEIOD OF RECORD: 7R-87 MONTH: APR NOURsILSrI: I wind SPEED TN KNOTS C 'r[ecion C '27 2F Q GE 56 TCTAL MEAN t IOEGEFSI I WIND S.7 3p I.? NE* Nr , 1.0.C ur: E r I.SL S I st *11 1~ ~ S. 2.p I c S, W ASd. e 2.q *I ,2,A * 6W I N.: c S N1W N VARIAPLE I CALM I//,i/III7j/,,,/,, ///1/'/,I/, 9.7 ililil IOTALS I S.? (... TOTAL NUMPLP Of O'SFRVATIONS: 900..? L,*

68 GLOAL CLIP&IOLOGV 3RA.iCH PLRCENTAGE FRL(L~hCY OF OccUQRRCE or SURFACE WIND DIRECTION VERSUS WIND STFEO USAFETAC FQO- POI'9LY OOSERVATION AIR.FATHEI SERVICE/MAC SIAIICN NUIFTR: STATION NAME: NIAGARA FALLS IAP NY PE*IOD OF RECORD: MfNTH: APR HOURSILSTI: WIND SPFED TN KNOTS DIVECIllm I 1-! 4-b P P-55 GE 56 TITAL MEAN 2 (IE E S I x WIND ],I lne 1! E z I0.6 EI.L, t ; 2' z I FSE., I.' S S , S , S' Q.C ts i 1.E $,, 7. 3 II.S.2 1 C K,1 1., f..i,1.1 2.r.2 S.2 IO.C. inj,?. 1, I... 4P IAbL( CAL- III///II/ 11/ II 1111/1/1Ilp/lp /M IIlll WOTALS I Z TOTAL NUMBER Of OSERVAIIONS: 9; L S.- '..-

69 KI GLOBAL CLIPATOLOGY PRA-4CH PERCENTAGE FREQUENCY OF OCCURRENCE OF SUPFACE WIND DIRECTION VERSUS MIND SPEED usare AC FRO? 'OURL OBSERVATIONS AIR W[ATNER SERVICEI4AC STATION NUPMEP: STATION NAME: NIAGARA FALLS TA P NY PEPIOD OF RECORD: MONTH: APR HOURS(LS1): 0900-IIOC I WIND SPEED IN KNOTS OIr'ECTTo I 1-3 K-6 7-ie Z-27 2P O S-SS GE 56 TETAL PNEA IOE.PLESI % WIND N,.: Z 9. 1 % hu.9.4 *N NE c 12.4 I NE op C t (I S S I q, I.2 I , K S r.2 59 ic.4 S t1.4 1.K I K K vs61, R.!.2,' I S N.,1,6 3.! 3.' N, , VANtIAPLE TOTALS I., It 33.? 38. N 7.' 1,' ~L TOTAL t.u F'LR OF OOSERVATIONS: L. (

70 r L;LAL L.IITVLOGV RANCH PL3.[EN.TVI[ FPE '.UCtCY OF OCCUPRFNCE OF SURFACE WIND DIRECTION VERSUS WIN0 SE[O USLEG AC FRU '-OLkiY O9SrRVOTIONS AIV,[ATHt6 SCVICEIF'aC ST011. tu1ptlf;: 7'52 7 SAT ICIJ NAME: Pll1GAR0 FILLS lap P-y PLMOO OF PECOPD: MONTH: APP NOURSUL$3: 12CO-1'00. I.... Itlo P[ I KNOTS o0reciti I : (1 11-lb R t GE 56 T(1*1 I'EAN (ElUE.I...NO... Nr 1, IE, I C.4, L I LSL.I : t9 1' S Sn 1[.2 56 I ,5A,"' 3.4 5, , Z. 7.7 " C I.2 3.; ' ~,I I.? t,,,7,(.(, ,2 P L 6 7'3 3.,'. I. 1. I j.f C... CALL... TOIAL t.upq'er pr OrS3HVAIO : Cj' ~L

71 ULU': AL CLIPATOLI,GY rvanchl PLPCEI.AAGE F PE.UE LCY OF OCCURR Efir of SURFACE WIND DIRECTION VERSUS WINO SFEEO UAP1.AC FRO- OtRLY OSFRVAAIONS AIR WEATHER SLRVICE/M4C Sitl]Cfj N12mQL": 1-5ZEl STATION. NAMiL NIAGARI, FALLS TAP N~Y PEPIOD OF RECORD: 79-A? MONTH4: APR HOURSILSAD: ISC I WINDf SPEEn IN KNOTS * JITECIIU4 1 4-F, Z e-s5 GE( S. TcTAL PIE AN * I cge fs 1 2 WIND f I S 'SF ZE : rt2 I. 2.7 c ? 3. R I 1!.e * a I 1.! S Q*5. z5.1' P' 10.6 I I ~2.C' ~IA I12 2.? So I. p ' CAL / A1 Nut-1, I OF O SERVAIONS QC

72 GLORAL CLIIATOL~bY BRANCtI PERCENTAGE FRLUENCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS IN0 SPEED USAFETAC FROM FOLRLY OPSERVAIIONS AIR weathep SERVICE/AC STATION NUMRLR: SIAIION NAME: NIAGARA FALLS TAP NY PERIOD OF RECORD: 7p-A? MONTH: APR HOURILSI : WIND0 SPEED IN KNOTS IPECTIXIN! P GE 5b TETAL MEAN UF rs) % WIND...! 2 I.P 1, lint V I 1.9 * N , ENE I L I.C '.6 N.? D-3 IEE.L. FP IS : SC.1.9, S I Z.q C.Sd r a.7 2. cs4 A S I ' WNW NA ,a : VAIIABLr I TOTALS I?.C ! R.' 4.i t0 JAL NUMIBER or 0OPSERVA 71 OlS: 9072 IL i..

73 ii " _ "GLOL CLIPIATOLCGY RANCH PERCEAAGE FPLCUENCY OF OCrURRENrE Of SUPFaCE WIND DIRECTION VERSUS WIN0 SLED USAFETAC FPO- POLRLY OBSERVATIONS AIR ;EATHFR SERVICE/-AC STATICN rijmper: 7,5267 SIATION NAME: NIAGARA FALLS lap NY PE.RIOD OF RECOR: _ONTH: APP HOURSILS1: I WNO SPEEI? h KNOTS l IOCTN I P o 1l- 7 N8-55 GE 56 TOTAL PEAi, AIDEGREESI I I WIND LN I *" 1.7 N 19I~ l.'q 1.0q , %E1 A NE, 2.C f NE. 1.8 l S.3 10.N L ' ,6 f! SF 2. C sr ?. 7.SE.3 "P S..A 1. 3 R.6 6.A SS I 3,e " 6.4 S q 2.C.1, 1.2 A.C Sw ? io.s w'., ,.7,3 7.? N I, , N '..N* ? AATALTI TOTALS I lt' 3.0C.St " A TOTAL NUMHLQ OF O!SERVATIO4S: 903 " - -

74 rloeal CLIPSIOLOGY BRACN USAFETAC AIR ;EATHFr SERVICE/MAC PERCENTAGE FQEQUENCY or OCCURRE4CE OF SURFACE WINO DIRECTION VERSUS WIND SFEEU FROM tollv OBSERVATIONS STATION NUMSLR: 7^5267 STATION NAME: NIAGARA FALLS lap NY PEPIOD OF ricoro: MONT": APR MOURsILSTI: ALL.1NO SPEED IN knots OI9ECIIU I Z? p S GE 56 T(TAL MEAN IUfbQL, SI % WIND... N fnr,1 q he I1 tl , L ? v.4 f5e.2 I. 1.1.P SF I.2..7.c 'S.' S I.' 2.? C I n S..' Z Z $w ' I ',6,3,0, I Nw N.. I ?.?.4 *',r VARIABLE I TOTALS I.~ S ID0.0a TOTAL NUMBER~ OF O-SER RAtIONS: 712wU L CtL; ]q IIII

75 GL3eACLIM'ATOLOGY PEAp 4 CH PLRL(r.IAG( FML alncy or OCCURR!NCE OF SURFACE WIND GIRECIION VERSUS WIND SICED USAF 7 C EPO- POLRLY ORSfR8ATIONS 19 raiiher SERVICEiMAC STATION NUMUEP: 72S287 STATION NAME: N1AGARI FALLS lap NY PE0lfl Or FECOFPr: 7r8.81 MONTH: pay HOUpSCISII: GO0c IiNO SPEED IN KNOTS DIFECIION b ,9-S GE 56 I(3A1 MEAN (Of IEFESI I S WIND... %r NE I o th 1E E a..6 6.C r E ~ ~ y I sce I.~ S S. 1 1.? s3s; I.6 S. 3 ' SI I.9 4.s * n' I I.e 2." q4 I~ h I t 'l.IABLEI CPL" il im1 / l // it I //// IrlALS IOVAL rum8ep3 F O 1 SrPVAT OS: 930

76 DLOCAL CLXI'II6OLOG6 PrCH PERC:ErIAGE FREQUENCY Of OCCUlRNCE OF SURFACE 61f OW'IN C'ICTON VERSUS WIN O SPEED USAFLTAC FRO- -OLRLY ObSFRVATIEONS AI RrATHEP SrRVICE/fPlC STATIVN NUMPLR: 7?5287 STTION NAME: NIAGIRA FALLS IiA NY PERIOD OF RECOPD: IP-S7 MONTH: pay NOURsILSTI: (3 SPEED IN KNOT0S "lplcluo4 I 1-4-b 7-IC 11-It ?-Z $? fla-55 GE 56 (AL MEAN IUFIIR.ES I I WIND *s :NE I 1.. C~ ,! 1, ftne lt c L Z S5,. ; r ,8 $1.4 1.C " SE," 1.6.3, S.4 3., 3.3,f ks ' SW , ,5w 1.1., Y.5,. 6.' 4 2.2, Wa, I. 2? ,0 N,1 1.2 I , "'w , C VPI.TAPL CALP ~ j/~,#,jj///.#// IIjj/IjJ/I/jh/I//jIj/~j/jjt/ / ,6 19. i.9. I U I IOAL umpl. or O'SE I AIIONS: 93C

77 FJ -'ii (ilpal CLIATOLOGY ERANCH USAFETAC AIR WEATHEP srnvice/mac PEOCEi.TAGE FPEfRENCY or OCCURRFNCE OF SURFACE WINO DIRECTION VERSUS WIND SFEED FPO- VOtRLY ORSERVAVIONS STATION NUMBEP: 7'5267 S T uos NAME: NIAGARA falls ZAP PIT PEQIOO OF RECORD: 7p-87 MONTH: 1AY HOUqsILST): oino SPEED TN KNOTS DIrECTION I ,7 2P-33 IN-ND 41-4? GE 56 TETAL MEAN SlbUESPEES I I WIND N 1 2.' FIN1. 1.' NE.? F L C fse I I.C..s Sr.' 1,? S.4 S I ') p. 55-,1 q, 4.? S..* S S I.? I, lta %NW I.5 2.C.V.143 a. c FIN~ I C VIADLE I IDIALS I 4:.4'. 35.? T.4 TOMA rf.u48l" OP 0'StkVATIONS: 93-i ~L

78 IM F ULO.AL CL110lCLOv SRANCH PERC t.taoe FIELUENCV Or OCCUPRFN(t. OF SURFACE WIND DIRECTION VERSUS WINO STEED USAFfIAC FPOM OLRL OPSERVATIONS AT1 WIATIHER SER1V4IfEMC STATInt. NUmER: 7152b7 STAIECN NAME: NIAGARA FALLS lap!iv PElIOO OF PECOPO: 7P-87 MOFITH: F"AV HOURsILSTI: I wind SPEEn IN KNOTS * lect ON 1 1-! Il-Ih N1-N7 NA-55 GE 56 T7(AL MEAN It[4, EE I 8 WIND... N I~ 11 I* P ! N l.1 * r tr I * C I1 I I I. Y s,.6.o st s -t 3.7 i ssd.) I 1..7 N S6.,4 J.F qn. 7.r I., I e!.2 1* I r. w " II INN //.1/ ICTALS I 2 3.k z TOTAL NUMPEr or O 0 SfMVATIO-JS: 931 il if

79 ' L.... IIt GLUjAL CLIPITOLCDGT RIWNCH PERCENTAGE FRECUENCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SFEED USAFE7AC FROQ4 O1HLy OBSERVATIONS AIR WE3ATHEfR SEPVICE/MAC STATIrN NUMIILP: 7252s7 STATICN NAME: NIAbA A FALLS ISP NT PERIOD OF PLCOPO: 7A-87 MONTH: MAY HOURsiLSTI: 12CO-1400 winor SPEE TN KNOTS CIPECTIo i I- 4-b -! F GE 56 FETAL MEAN (DE,IEESI I WIND N "N NE I I i * i0.4 L I.? 3.6 f o. tsr 1.5,1.9 A.0 Ic.-? 'SL.".1.P I S S,.4 t.8 S-,,. IC I q W, ,.C 8.3 1, N W I,., 1.' ?.S 9.4 PNw e.g C... A - I. /.*F IClALS I Id.? , r.' 1.2 IuO.O _... TOTAL IuPr~tD OF O'SLRVATIONS: 3['1 ~L

80 ELCJ AL CLIPIAICLOGY CkNCI PLPCI1lAE FPL :UE6Y OF OCCUR NCE OF SURF CE WIND DIRECTION VERSUS WIND SI [ED VSAfI?!WC FNhM VOENLy 04SIRVA1I0NI AIR h'ainep SEP AICf/PAC SIAl7e. NUIYLR: 7Z52d7 SIIICIh NAME: FJIA(,APO FALLS lap fly PEPIOD Of recopd: MR'NTH: MAY HOUR 5 ILSI: I wind SPEEDIR N snols OI1-LCTIOd '.7 '6-55 1,E 56 1(TAL MEAN 4rF6O9ErSt a WIND I. I1.' C P.RE I ~ &LI. 3.3.R rp.e ! 6. r.2?.a 10.' L C~ 3.4 q.3 St.?.. q2 7.0 sl I*.2 6.S 5 ~ r iU I 3.6 ".p w. ri~ b 1.9 i W 3.! I 1 I. 1.9 I. S h. z Z. r ,4hN. I I0 I LS 1 h., ?.' TOTAL hiltfit' OF O'5rNVATIeN!., : in

81 GLOu*L CLIP*IOLOGY BRANCH PEPLINIAGC FPCINCV OF OCCUNRrNCE OF SUPFACE WIND DIRECTION VERSUS WIND STEEO USAF IAC Fla- POIRLY OBSFRVAIODNS ALP A THfR SFRvirCA:( S1IT IN NUPPI : STAIICN NAME: NIAGARA FALLS IAP Ny PEPlOD OF FLC0PD: 7-87 MONTH: MAY HOURS 6 LSI): CO ; I WhINE) 5jPtEo IN4 KNOTS LIEC.ICI I i ir * 'P4-S5 GE 56 I3TAL HEAN I L G[FS I WIND N.. 2.r 3( N ?7 hr Thu,I q ' *= 9.C A. 3 I , 2 f~ 1c. I.Z. -5.'1 6.2 I 1.r * ! 3.! 8.' 31, P $S. S Sw I US. I.. 1! I.., kw2q. s ' j.r TOTALS I, j C. 1.6, ao,3 j T01AL %UmqP cf O*I(RVATI?.S: 9IL

82 I.I GLOUAL CLIPAILLOG, elanch USAFrTAC AIR WIATHEA SERVICE/MAC PERCI.1AGE FR[.L E6CY OF OCCUPR'6CE UF SURFACO WINO DIR[CIION VFRSUS 61NO SF([D FPO' FVOIRLY ORSFRVAIONS SliAIC41 NUMI 9 : 7?5267 SIATION NAMr: N1GArA ralls TAP NY3 PEPIOD OF PECORO: MONTH: MAY HOURSILSII: 213O-2300 I.IND SPEED IN KNOTS *Ib1(CI!(,4 t IL Z-27?P GE 56 ICTAL PEAk IOF(IEEE I WIND... K N.. 3 P. sp 1.6 S. 7 I -, I 1.PO [.9 I l.b?.* I!5 I...F SE St ? 6.9 I, ? '. 1! * ? 1 1d. S. ~ ! I ' Z 2.9 %.3.' NW.i r I 2.rAq I01OL5 I.1,1. 1. '. 1. Ov. a &OrAL NU 0 OF O 9 SEVATIIOS: 93C L

83 "LO.BAL CLImAIOLUG IRANCH PLPCEhTAGE FPEUFNCY OF OLCUPA'r'CE OF SURFACE WIN40 DIRECIION VERSUS WIND SFEED usaf.tac FP" FOI'WiL' orsravations AIR ofathfr SFcICIMA. SIAIICI NUM"EP: SIATION NAME: N4AbArg FALLS TAP NY P.QIOD OF PLCOPO: MONTH:.AT HOURsIL$1I: ILL I WIFIND!7PCE' YN KNOTS LT'ILCTION I II '-6 1-1C I- It, GE 96 TOIAL PEAN IUfG"?LtS3 I W ID1O i e r ,S t r I,P C t, ri~ I f ~ C L IL Z. 7 3.C 1.r I SE I a F. 1.t.7? ! ~SyJ I I f, 04~ S %W.4 2.0r 3.2 ' a, PAW I I 5.S 9. hw.; ' ' VA6aIAILE I/L 4.I111,T OTALS, I s :9.. 3.,7 : C TOTAL 1, 0"Plfo OF O'$SEROATIOM,': 144,

84 rlot-al CLIfAl10LOG PAtNCH PERCEN1AGE FRELULINCY Of OCCUQPrt.CL OF SURFACE WINU UcRfCTIoN VERSUS WIND SfEED USAFITAC FPO' FOI trlv OPSFRVAI ONS AIR 6,1A T14rP SERVICE/MAL SIATICF. NUMnLC: STA*ICN NAHF: NIAGARA FALLS har "y PQ100 OF PECOPO: t411H: JUN HOUQSILS I: I WINO SPEilt TN 04JOTS OIrECTluN I iC ZP O GE 56 T( TAL PEAN 16 G.3;, ES I WIND t. I I 5.0 s.,5!9.l.4.'", IF..' s.4 I1.1 I [." S.i 5.8 r,[,, S, S.. r.,e sw R 3,c b.6 s, b,.5 2.s 3.r 1. c IA I.6 2.2?.3 6b.' 7. 3,,,j 1. r 7,r I *1 1. 1, C vei~h~tr 9 ICIYLS I! ,,10.0 :), 6.1 toial rf.ublq or OtSEPVAI 1N f: Q9u L... N

85 ULUdAL CLIMAIOLOUY?A!'jCH usafetac Air wefatil[p SEPvICE/MAC PLRCE;.TAGr FpEiUtr,Cy OF OCCUpPFt,CE or SURFACE w1nd DIRECTION VERSUS WIND SIEE( FPO- IOLHLY ORSFRVA7IONS SItlIC. NUP13LP: 7,-,2d7 SI ATION NAME: NIAGARA FALLS IAP NY P 0PIOD OF RECOPD: M ONTH: JUt, HOUpsfL;I: G L I NO SPEE7) IN KNO0TS oilfect]o'i I 3-T lb 'P b GE 56 TLTAL MEAN Ifl (,. SE S) It WIND N, S. 5*9 "'NIE I. 1 I 1. ( C 1F I' t NE L rr I.i SE I, s S ' * SW I, S0 W , I i C e.6 I, I,...'4 2. r q N N "I I. C CALS I.' 2. b Do TOTAL NUMr fr OF OrSE4VAIIUNS: quo

86 F- GLGkAL CLIVATCLOGY PhAraCH LR LEI.TAG r FPEQUE-iCY or OCCUPRENCE OF SUPFACE WIND DIRECTION VERSUS WIND SPEED USAFETAC FRO' OLWLY OHSrRVATION ;, AIR WEATHER SERVICE/MAC STATICN NUMPLP: 7Z2527 SIAIICN NAME: NIAGARA FALLS TAP NY PECIOD OF LCOPO: MONTH: jutj HOURsILST): I 6IND SPEED TNI KNOTS DC)rLC7IN ku 11-Ic " 2F e-55 IE 56 liial MEAN IDELRE!S I S WINU... " *' ' b NE I.1.4, f. r., ' F, s se S. 6. I , 4.4 4,,,9 1c.? I, ] SW NO I t, ; N. I.' VIAIA9LE CALM 6.'// /i///////// ///i//i/i/ii// ii//i/ / iij///ij///i/i/, //////l/ iii/i/i/ 6.. j//// I ILS L.7 I 6 29" ' ' TAL NUMP!ER CF O SCRVATIONS : 9.0 ~L

87 GLOjiAL CLIMATOLOY ShANCH USAFETAC AIR wfather SR8ICE/FIAC PERCLIAGE FRLIUENCY OF OCCURRFNCE Of SURFACE WIND DIREC7ION VERSUS WIND SFEED FROM IULRLY OBSERVATIONS STATION NUMBER: SIAl ION NAME: NIAGARA FALLS ZAF %Y period OF RECORD: MONTH: JU N HOURS(LST): 09GO-IIU0... I wind SPEEn IN KNOTS DIEOCIION t IC 11-It ,? GE 56 TCYAL MEAN I O E I WIND :?.u. 7.q NNE I e.3 N',E1.1 1.F : LNE I. 1r c S L, ISE.1.R S. I C SM I.2 1.! 3.9, SW. 2.r p SI c IC.2 551, 2. 7 & io.c I.2" rw I N, e.7 9.m w I l P l.p.7 3.!* 8.7 VTRIA7LF I CALM,,j j/////i////#///ii///i/// d//# ///I// //III//d//// d/i t//// /////I/itit 1.1 li/#i#1 TOTALS I 2,2 2,.I , JO TIAIL NIMPF OF O'SENVAlIONS: 903 ~L... r -l - -

88 C.,07AL LlI0ilOtOb6Y 6CA:CH PtQCEr.TAGE FREUFNCy OF OCCUPRENe.E OF SURFACE WINO DIRECTION VERSUS WIND SFEED LSAE1AC FRO- FOLRLY OBSERVATIONS Al f A THER Sf.PVICE/loAC STATION NU-L, 7.52b7 STATION NAME: NIAGARlA FALLS TA N1 PEDIOD or RECORD: 7R-87 MONTH: JUN HOURS(LST): I windl SPEEII IN KNOT.S UIPILCII C 7-10 li-ic Z 2 -,, D GE 56 TOTAL MEAN Ibl DE E S I I % * WIND N S I.Nl NuL.4 I.E fnr. I.E *9 9*9 E rse., I r ts I.1.7' S I , 5.2 8,9 k-s% S.0 I lec. A.? I I I 1." k.no 1.? io., N m. I u '1,. to , CALM ot/ / ot / or / /,o /.o,, or1 0. /$/1/// TOTALS I 1,s 1' L llimef OF O0FRVAT1OIS: L

89 F GLtJAI CLIMAIOLOUY PRANCH PERC N AGE FPELUNCY OF OCCURREN E OF SURFACE WINO DIRECTION VERSUS 6IND SI'(Ei USAFETAC FrO0 6I1RL OPSrRVATIONS AIR WEATHER SERVICE/toAC STATIC NUMPER: STATION NAME: NTAGRh FALLS ZaP Ny PLPIOD OF RECORD: 7R-87 MONTH: JUq HOURSLST): I I1ND splie IN KNOTS CIPECTIoN I i A-55 GE 56 TIIAL MEAN I ' b" E S) I I WIND... NNE , he I 1 c * [ E cf [SE.: sr E SEf..1.1, S.± SS r IO.C ' ) 11.1 ISA,7 3.' r I, 1.! I.7 NS.f C Nt 1f' q.7 11.'. rne I 1 1 c , V,IABLE I TOIAL % l.'s S.7 a b lo.' [1AL NtMPLQ CF O'SFRVATIONS: 1;30 _i L

90 S -- F-- GLOdAL rlipatcl0ty PIANCH PLPCENTAC( FELUEN:Y OF OCcU'RnNC[ OF SURFACE WIND DIRECTION VERSUS WINO STEED USAFETAC FROM FOLRL OPSERVATIONS Al WEATHER SERVICE/MAC STAIIC1. NUM1LE: 7:52b7 STAIION NAME: NIAGARA FALLS TAP 5 y PEQIOJ or P1OPO: 7P-87 MnNTH: JUN HOUq 5 ILSTI: wi idn 5PE~n fn KNOTS UIvEClut4 I U 11-It P C GE 56 T(TAL MEAN IODr(,bESI I % WIND f, 1.j Td..1 1.' 2.1, ',3 7.1 ur Q.:j ' 1.8 FE L o C c I SE, ; 'ST r S.I k r I.c W I.u 3p WSW I ' I.' I1, N I 1 1.c 2., 1..4, 'N C... VARIARLE I- * CALM j////i//i//i/i/ /i///////i////j//i////////// Z.1 /t//m TOTALS I ( 1.6,! 10O TOTAL 0U8PL CF O SERVAIIONS: A98 ~L

91 r EL36AL CL1IPIOLOGY ERAiCH PERCENTAGE FREC ENCY OF OLCU('RPNe.E OF SURFACE WIND DIRECTION VERSUS WIND SFEED USAF. AC Ff'O'" 'OLRLY ORSFRVATIONS AlP WrATHCR SERVIC[/MAC STATICN NUMi9E): 7'5267 STAIION NAME: NAARP FALLS TAP NY PERIOD OF RECOPO: 3q-87 I No srtcno IN KN OTS MONTH: JU N HOUpsILSIS : blpe (, N ti I P e-55 G1E 56 1(1AL MEAN IDFoE.) % WIND.... *3 j.s F:.L I F A. I.4. j.y SE 5 1 I.7 1 2, 6.1 SEA I : I ~ I *~ A 6.4 S, i. " S r 6.f I w.7 2., ? I, ; N W; * rb I a , V, A 11A ' 1 L r I01AL I 6.r ,.;O AL NUMPETI OF OPSfRJAII tis:.p7

92 LL3iAL CLIPOATCLOGY P9ANCH PLPCENIAGL r;[euency GF OCCUrRsNrt,F SURFACE W11JU DIRECT ION VERSUS WIND SPEED USAFETAC FROM F'ONLYL ORSFRVAIOONS AIR AEAlHER SERVICE/PC STAIICN NLPI91P: STATION AME : NIAGARt ALLS ZAP F1 PERIOD or RLCORD: 1F-87 t MONTH: JU N HOURS(LS7)* ALL I WIND SPEED TN 840T5 UIPECI1ON I P1 2P C GE 56 T(IAL MEAN If.7 9 E E I I IND.... I I.C NNE N I a8.4 FNE E I.4 2.EC l.a e C St5[.S SE,..p S5.1 I. 5.9 I.'.p S I P z I$ S. 3.1 b.7 6.c.4, WW.4 2.c 3.t 3.E.4.1.o I t., Nb I * ?7 9.8 N c.2, tv CARLt' ;/i///jj//iii//iiii/i/ m /I / I////ii//l/i/iiIi/i 5. li/ IDIALS 4,7 Z6 7 3,i ,q 1O00. a. I )1 NUM!!ER OF O SERVA32OT.S: 1195 JL

93 t.. 6LOAL LIFPATCLOGY RRANCH PF(PC[I.7tAGE FRE UFKCY OF OCCURRENCE OF SUPFACE WIND DIRECTION VERSUS WIND SfEEO USAFEIAC FROUM OLkLV OhSE66*11ONC AIR WEATHER SERVICE/MAC STA1ION NUMLP: 7'5287 %TAXIN N NA4E NIAGA64 FALLS IAP t:y PL1O0 OF RE.COPU MONIH: JUL HOURS(LSTI: WjIND SPEED 163 KNOTS uir"ci](,n I-Y 4 -; 7-IC i ?-55 io 56 TuTAL MEAN 10 fures) I t WIND , N. I KE E L S L, I I r.l S '8 S i.4 7.o rs I I i.' sw t I,c '? ,N, , r~ T I. 2.6, C I. VlfNIAILE I 01ALS I. 1 4, ' TOTAL FUHPLQ OF O SFVAI1 NS: 9 32 L

94 GLJ:-AL CLIPAIOLOGT ERANCH PERCENTAGE FRLCUENCY OF OCCURRFNCE OF SUQFACE WIND DIRECTION VERSUS WIND SPEED USAFEIAC FRO4Q FOLRL OBSERVATIONS AIR ratlif4 SERIiFIMAC STATION NUMHER: STATION NAME: NIAGARA FALLS TAr NY PEoIOD OF RLCORD: 77-A6 MONTH: JUL HOURsILSTI: I IND SPEED TN KNOTS DIrECTIO4 I Il-lb P O GE 56 TETAL ME AN IDE G'S I t WING... it I S*. NE I NE.1 j tf N S.5 1 1,2 2.C I c S.9 So 2I ts S SS,2.: 4.2 I. f c 51.4 S.c 5. ' SA I.5.r 2,p S I,' 4.2 1,,1.1 6.C N.i,.1. * 1* P." N I,.1 I.q (ALM / ////////////////////////////////// //// /// 12.7 /l///// TOTALS I 7.5 q4, 2b TOTAL N LLR Ct OSPVA71NS: q!0

95 U, LIAL CLIPATOL0(V IPAI.CH PERCENTIAGE FRLCUENCY OF OCCUTRENt.E OF SURFACE WIND DIRFCION VERSUS WINID StEED POU'0LY OBSIRVATIONS usafltacfrom AIR WFATHER SRVICM/MAC STATION NUP-i," 7 I87 STAT ICN NAML: tfiagara FALLS IAP t.1 PEPIOD OF RECORs: < STAIONNUMPVAIoTH: JUL 4OUpSIEST): L16CO-CSO SW I N D S P E E D I N K N O T S... S 5 6 T T E A -p UIECIION I Z 1 1lb P "? TrIAL PIN 2 tul... oz.esi I ~WN N. 2.r '.{.3j, '.NE I r, I.1,q ).( I + * F f SE S. 1.' :Sr "! SS.T S. I B.C '.SW r 2.. S,' N. l , Nh I+ 3K. I ' it P KiT LET I f I 6OALS 3Z TOTAL NUM9E'l OF OSERVITION-: 93 JJ L

96 F GLOL CLIMAIOLQGY PRACN1 OZRCPE/,AGE FPEOLENCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SFEED USAF[TAC FR0'4 POtRL OS RVAIONS AIR WhtAIHER SERVICE/IAC STA1ION NUMPER: 7-5,67 STATION NAME: NIAGARA FALLS la f:y PZ10 OF ALCOPD: 77-R6 MONTH: JUL HOURsILSTI: 09UJ I W1,,l.PEED IN KNO7S DIRECII I I1-lb P qe-55 GE 56 TTIL MEAN 'OE GrL f S1 % W IND......,.,...,,...,...,..,,,.,,,,,,.,,.,.,,,,,,,,. e.,,,,,, P.,.., 2., 'INE I s.7 Nt I Z.R 7.6 PIE.9.9, L.,. I fs st F1., SE.! r ,1 1.! S. p 3.A I.Z , sw S. I F w 2 1.' N, ,, I F VANIASkL I InL8tS., 21.r , IOIAL %UMFfR OF OPSE Vl A1flNS: 0930 L i,

97 b LUtAL CLIPAOLOGY 9PAjjCH PEPCLI.TAG( FRL.LENCY OF OC(CLPRNX1 OF SUPFACE W1.O UIRECIION VFRSUS WIND SFEE USAFEIAC 6r9o PO0uLY OPFrVATO AIR UFATHLP SFPVlrCC/AC STA8C11. NU4PIl: 752b7 5 1AT]C NAPE: NIA6ARA FALLS 1AP ' *. PEPIOD OF PECOPO: MONTH: JUL HOUpS(Ls11: 12U;O IND PEI TN KNOTS OL i[tiac I I-3 4-C 7-l' P U GE 56 T(TAL PAN * rr GrEE SI I WIND S I 1.L 2.7 *L PtN I, I.1.' : I. I.t L.1...T ! srs I * j.r r S L q 6.1 S I.i A ' 22.? 11.8 v, C.3.I I q. 6.9 lc.c 1I , Q.9 N. I VARIAbLE I TOrALS I ! * AL htl~p[ OF OnSERVATIO : 3-rL

98 1G,,A CLI"P73TLOG v BIRANCH PLPCCI.7AGE fpequehcy OF OCLU'lRENCE OF SURFACE WIND DIRECTION VERSUS WINO SF EtO USAFRTAC FROM POLNLY OBSERVATIONS AIR i.faiher SERVICE/MAC 51AIIC NUIAR: STATICN NAML: N355,4A FALLS IAP I;Y PLnIOO OF PECORD: NO 6 SP(Efl IN K(OTS MONTH: JU L HOURSILS71: 1S vifeciiopj I lt-l, F C E-55 GE 6 T(,TAL MEAN ( 0E ES I I IND N S I.CIF I.11 1.?, c h L.r.' ION, SI S.6 I., I.1 *' 1.' s C.4 SW Q 12.C I S,51, , A A I1.0 1,9 1.' I,.,,n 1.4 7,7.2 5.i I.S I.. F. 4.P ,', '.5,I 1-.' 55I. 3A9L r ) I OyTAL NI-ML I 13 OF 5I 't VA IIONS: 73E) -jml lll -

99 AD-All' 573E VORX E fo UWR UNCLASSIFIED

100 01-26 IU 2=2

101 *USAFETAC GLOFAL CLIPATOLOGV BRANCH PERCENTAGr FRECULFICY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEED FROW lotlv OBSERVATIONS AIR WEATHER SERVICEjNAC STATION NUMBER:?25287 STATION NAMHE: NIAGARA FALLS TAP WT PEPIOD OF RECORD: MONTH: JUL HOUBsILSTI: I WIND SPEED TN KNOTS *DIPEC71ON GE 56 TETAL MEAN ' 0 ER r 58 1 % MIND N I I.E NC I Zc ~N E I o1 *E * SE I..T ss 8.3. a 6.4 SSE5 I 1.P s S b SIN I~ E SM C I WSW S 9.7 I W N I..8 2o6 1.p 6.S e.5 NW ' N I.1 2.? ' * VARIASLE * CALM //f/iii /I /IJ/////I// 11ii/ I// ji///i/// l/ll.lli/llil//lli 1.5 jli TOTALS I f 49.? 17.p IIOTAL KUMMER CF OdR5ERVAIIO8ISt 330 A

102 GL OE4AL CLIMATOLOGY PRANCH PERCCNTAGE FREQUJENCY Of OCCURRtENCE OF SURFACE WIND DIRECTION VVRSUS WIND SICEO USAFE TAC FROM?VOLRLY OBSERVA71ONS AIR? weather SERVICEf"AC STATION NUMBER: STATI0N NAME: NIAGARA FALLS TAP NY MNH U ORESI I 11NO SPEED IN KNOTS * IDIPECI1ON t ze-li ? GE ? MEAN IOE6EVS I WINO... %. 1 * G.c ti NE I.2 I *Nr l.r *r,. NE. Z.C E I s 5.0 st I SSE I S I i.7.' SSW ~W I ? WSW I S E WW R NJ I i.t S %hw I. 1.! TOTAL NU"RER Of OPSERAlIONS:2 930 y 0e 4,p

103 GLOBAL CLIVATOLOGY BRANCH PERCENTAGE FPE(.ULNCV OF OCCURRENCE OF SUPFACE WdIND DIRECTION VERSUS MIND SFEEO USAFETAC FROP FPOVRLY OBSERVATIONS AIR WEATHER SERVICE/MAC STATION NUMBER: STATION NAME: NIAGARA FALLS IAP NY PEPIOD Of RECOROt 7?-Bb MONT,,: JUL HOURSALSyl. ALL WIND SPEED IN KNOTS oirectto It GE 56 TCTAL MA IDEGRErSI % WIND NINE I. *e NE I.2.0 I.E ENE. 1. '.6.12.S 'IE.2 1.? s *.9 SS I S SW, I. 3.9 a.p SW F A I.4 2.c S.9 s.c WN1 I v.s MWU I PNN I.1 1.5i TOTALS I ' TOTAL NIPMSLD OF OPSERVATIONS: 79910

104 blonal CLIPATDLOGY 96614CM PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WIND 0DIREC10ON VERSUS WI1ND SFEE0 USAFEiAC FROM IV0LRLY OBSERVATIONS AIR WEATHE4R SERVICE/NAC STATION NUP"CR: 7252a7 SIATICh NAKES NIAGARA FALLS lap NY PERIOD OF : MONTH: AUG "OURS(LSTI: DV'ECIONWIND SPEED IN KNOTS DPC IO If -7 4-b?-in D *a855 GE 56 TCTAL MEAN &E :o~ :.3 ~ NE E S.S 's Pir I L Nst *. 1.2.;3 6.6 hu.6. 2.C W ?iq thsw CAL I.#/ I. Il il0.0 mil1/1/11.2/1/11/ il 4111 WICIL d.8 S I61*1 RuSOIP OF09SSCOVATIONSS 930 _7711

105 GLOBAL CLIPAIOLOGY SRA.Ch PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SIECO US AEr AC FROM I"0LRLV 013SERVATIONS ( AIR WEATHER SERVICE/MAC STATION NUPRER: STATION NAME. NIAGIARA FALLS IAP NY PERIOD OF RECORD: 77-6 MONTH: AUG HOUOISILSTI: 03000OSOO... I WIND SPEED IN ANOTS 0 IIECIOCN I ? i s6-is GE S6 TOTAL MEAN IOFGRE E SI I IN J re JE E I.( ? r SE I * SE I S I. 3.c S.I OA S.9 s 3: SW I.3 3.C 3.4.4? Sw ? Au 3.e 3.2 * NNW I CARLE Is4 111 TOTALS I 13.4 ## ! TOTAL NU)MtlE Of O"SERVATIONSt

106 GLOBAL CLIIPITOLOGY BRA~dCH PECETAGE FRECUENCY OF OCtURRENCE Of SURFACE WID DIRECTION VERSUS WIND SPEED usaictac AIR WEATHER SERVICEIPAC FROP I 4 OIVLY OBhSERVATIONS ij 51111C NUPRER: STATION NAME: NIAGARA FALLS IAP NY PERIOD OF RECoO: IhIN SPED N KOTSMONTH: AUG MOURS(LSTI; DIRECTION I ? GE 56 TCTAL MEAN -*4 DESREESI % W IND I. $1 2.c C NNE I *! pir f M : E ! re i. 9 SE b 2.c SSE I S ! SSW S ~.3... VARIABLEI TOTALS 8*Y roial NUMOER Of SPSERVAIIOFISS 91c X 1

107 GLOBAL CLIPATOLOGY BRANCH PERCENTAGE FRECUENCY OF OCCUPRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEED AIR 6EATHER SCRVIEIAC [,STATICU NUPRED: STATION NAME: NIAbARA FALLS TAP NY PEDIOD OF RECORD: DEGRES1 1M PJEMONTH: AUG HOURSILSTI: 09CO-1100 N I.' Z.r S I.M S 7.2 j PC B.0 INE I E t7sc SE ~ ssr I ~ S el SSW I SIP C WSW I W -.3 I WNW ? Nu c N4NW I VARIABLE CALM I,/,I/II////,///I,/ /i//i//j/iii/ ii/i/iii /// / 2.0 Mill TOTALS IND TOTAL NUMBER Of OPSERVATIONS: 030 4'3 kal

108 GLOfAL CLIIAOLOGY eranch USFEI AC AXR dra IER SERVIrE/MAC PERCENTAGE FRLQUENCY OF OCCURRENCE OF SURFACE WIO DIRECTION VERSUS WINO SPEED FRO" VOtRLV OBSrRvATiONS STATION NUMRLP: STAVION NAME: NIAGARA FALLS ]AP NV2 PERIOD OF RECORD: MONTH: AUG HOURSILSTI: IIN0 SPEED IN KNOTS DIRECTION I F SS GE 56 T(TAL MEAN IoE GR rs I % WINO ;:... A, N.E HE, ,5 he I C '4 tne fi. *A C ESE,.-, SE S SSE S.4 SS.v C S SSW sit, WSW.3 1.! %.S.s ! I'N I NW RN I VARIABLE I TIALS I 2,8 la.p R 2.? TOIAL 14UNPER Of OPSERVAIIONS: 930

109 ]lk '1 GLOBAL CLIMATOLOGY BRANCH PERCENTAGE rrlcljcncy OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEED US AFEr AC FRO" POULY OBSERVAIIO14S AIR WEATHER SR~VICE/MAC STATION NUMBER: STATION NAME.I NIAG.ARA FALLS TAP NY PERIOD OF RECOPD: MONTH: AUG HOUpSILSI): I WIND SPEED tn K14OTS DIPLCIION c s GE 56 Tr TAL MEAN IDEGREES1 2 W IND I I oC 8.3 Go2 PINE I NC I * C r:.r I ) L sr SSE I I I s.o S S r" SW c WSW I N I. g.-p9 2.C v Nd A A NNW VANJAIILE CALM 6I 1 //11 IOVALS I, ! ME T OF - 9 f... o...

110 GLOBAL CLIMATOLOGY PRArICH USAFETAC AIR 'ifatheo SERVICE/MAC PERCENTAGE FREvUEICY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS MIND SFEED FROM POLRLY OBSERVATIONS STATION NUMPER: 7zS287 STAIION NAME: NIAI.ARA FALLS XAP NY PEPIOD OF PECRO: MONTH: AUG HOURS(LSTI: I hi1nd SPEED IN KNOTS DIRECTION A % GE 56 TOTAL MEAN IDEGPEESJ M IND N.2.I NNE " NE ENIE 1, E, s ESE S S.L.6 B SSE I C S.3 5.,2.1.P SW ? 7.7 SS. IC o ks1w r d.3 3* UNW.1 1.C 1.8 i.c NW I.c W CALM // / / / II///iI/I/iiI/Ii 2.6 II/Ill TOTALS.5 ' S... TOTAL NUMnI OF OPSERVATIONiS: 930 (.... :L

111 GLOBjAL CLIVATOLOGY RACIIH USAFEIAC AIR -FATHEr SERVICEIMAC PERCENTAGE FRLQUEIJCY OF OCCURREN.E OF SURFACE WIND UIRECION VERSUS WINo SFEEO FRO" FO1RLY OM6EROAIIONS STATION NUMBER: STATION NAME: NIAGARA FALLS ZAP NiY PEDIOD OF RECORD: MONTH: AUG HOURSILSI): I WIND SPEED IN KNOTS EIPCIoM I lU P GE 56 TETAL MEAN -EGrGPEES? 2 WINO, 3 1, "N.}'N[ E:.2.5 es.e1. 7, 2 Kr.2, ,0 6,6 E NF I E 3 -? FS I".e r sr.4 a S. 8.0 ' SS a SW.2.7 e 7.c I S WS R.8 1,r s.5?.8 4 I,.8 2p. 2.e F T L ~N1.7 3,8.,1 7.6, MVARTARIL! ''!CALM /j // // / j// / 8.8l 01/1//1...?D IALS 0,.7. %C7 35, We, TOTAL NUMSER OF OrSERVATIONS: 93C (

112 GLOE.AL CLIMATOL06Y PRArICIO USAFETAC AIR 4FATHER SERVICE/MAC PERCENTAGE F9ECUENCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEED FROM PO(RLY OBSERVATIONS STAICN NUv-3LV: 72S287 STATICN NAME: NIAGARA FALLS IAP NY PEPIOD OF RLCORO: MONTK: AUG HOURSILSII: ALL... I IND SPECO IN KNOTS r C drciion I : P-33 IN-NC NI-Ni NR-ss GE 56 TTAL MEAN I UJfiRLESI WIND NNE n NL.' 1.' FNE I, 2.C I I *, 2.( S.s 6.1!SE, Z Sr I,U 1.1.6,1' IS I c S ,N SS c SW 2.p N w Si. I N. 2.7, ,. Si , NW.2 1, S 8.6 TOTALS.1, NV 1 It. S TOMt e e huipi4to ~ e Of * e 0DSERVATIONS: *e e * o * e e 7440 e ~ ~ ~ e e* * e ee * o e oe e ~~~'7e e e~o e ee * e e~~~~

113 GLOLAL CLIMATOLOGY BRANCH PERCLNTAGE FPEQUENCY UF OCCURREhCE OF SURFACE WIND DIRECTION VERSUS WIND SPEED USAFETAC FROP OLNLY OBSERVATIONS AIR WEA7HrP SERVICE/MAC STATION NUMQEF STATION NAME. NIAGARA FALLS IAP NY PEPIOU OF RECORD: MONTH: SEP HOURsILSTI: I N0 TPEEO TN KNOTS UIPECTIUN 1-3 V-6 7-IC P V0 V1-17 V8-SS GE 56 TCTAL MEAN foe6iersi I % WIND... N. 2.; 2.C *jnr N I.9 1., 1.C.Z 3.V 5.7 r NE 1.: c.V E ESE. 3.!.V V SE SSE S q.' S.! S.2 I 2.Q 2.9 i.e c SW V.6 1.s WSW " I.V S C C ;w I.6 1.V 1.9.V V t V 4.6 ta;?.v VCRIABLE I CALM / ///i/i/i/ /i//i/ //,/I // ///i il1111 ///i/i//t////i totals I 36 '.(, f TOTAL NIMIMEP OF O-SERVATIONS: 900 A.... "..

114 GLOBAL CLIPATCLOGY 3RAfjCH PERCENTAGE FRLUEF.NCY OF OCCURRENCE OF SURFPCE WIND DIRECTION VERSUS WIND SPEED USAFEIAC FROM OLWLY OPSERVATIONS AIR WEATHER SlRVICElHAC STATION NUMH8R: STATION NAME: NIAGARA FALLS TAP N;Y PERIOD OF RLCORD: MONTH: SEP NOURSILSTI: : WjIND SPEED TN KNOTS DIRECTION I A GE Sb TCTAL HEAN I DE GRES I WIND N S NNE.2 1.! NE I.a N q E, ES" SE S.1 SSE I S- 2 S I 1.! e SSW SW,. 2 z vsw ? "Y knw NW I.2 1.' vpnw I.3 * ~ VANJABEC* I... CAL" $ # J# / # / 13.3 //1/// TOTALS I J2.0 I IOTAL NUNE'R OF OPSrRVAIIONS: 900 *N A6 L --

115 GLOBAL CLIPATOLOGY L'RANCH PERCLNTAGE FREGIJENCV OF OCCURRENCE OF SURPFACE WINDo DIRtECTION VERSUS WIND STEED ujsa'fltac FROM I'OURL't OBSERVATIONS AIR IiCAINER SERVICEIMAC fli STATION NUMBER. 7Z228 STATION NAME: NIAGARA FALLS IAP NY PERIOD OF RECORD: MONTH: SEP 14OURSILSTI: WIND SPEED IN KNOTS DIPECTIoN ?-IV~ %8-S5 GE S6 TOTAL MEAN IDEGREESI I % WIND NNE I ?.1 S RC v F SNE. 1 l E I E C SE I SE S. 4SSE I s -1 S0 4..C SSW ,.R,13.6 1,1 ].$ *. i M&a I i F NW I ?.7. Rm I VARIABLE * TO1ALS. 32.( TOTAL NUMBER CF OPSERWATIONS: i * k *l I I 1, C o": *1 1,1 l* e 3 6 7,.

116 GLOBAL CLIMAIOLOGV BRANCH USAFEIAC AIR WEATHER SERVICEIMAC PERCENTAGE FRECUENCY Of OCCURRENCE OF SURFACE WIND DIRECTION VERSUS MIND STEED FRO" POLRLV OBSERVATIONS STATIO. NUPBER: STATION NAME: NIAGARA FALLS IAP NY PERIOD OF RECORD: :1 MONTH: SEP HOUasILSTI: 09U-1100 WIND SPEED IN KNOTS DIRECTION IDrbREES I 1 I 1-3 N e8-5 33N-No 4I-N N6-SS GE 56 TtTAL % PEAN 1NNE MIND......,. i"' "; I.S.1 N.2 9.C.1.N.9 1.C NE f 1.? " FNE E. 2.1l FrSE.*.q ? SE SSE I N ,c I S SSW sw II' 11.1 WSW.2 1.N W I * %NW I Nb I, NNW i.r N * VARIAGLE I CALM 2.9 /it/// TOTALS q C / TOTAL NUMEER OF OPSERVATIONS: 900 -J p,

117 GLOqiAL us FAric CLIPAIOLOGY BRANCH AIR WfAVI1E P SERVICEIMAC PERCENuTAGE FRE2UrNCY OF OCCURRENCE FRO" 11OL'RLY OF SURFACE OBSERVATIONS WINID DIRECTION VERSUS IdiNo SPIED STATION NUNPER. 77S287 STAION NAME: NIAGARA FALLS IAP NT PEIlOD OF RECORD: MONTH: SEP HOURSILSTI: IWIND SPEED IN KNOTS oipectiom I e ? %-SS GE 56 TOTAL MEAN O(Gl[rS) I I VND ;;...;... A S SNr I.E S NE I ? A,1 rhr I.! I fse. *.6 *6 lq 6.6 st S.8!sr.2 1.r * ,. F S 9 1* *2 Sw.Z ,8 10" 1 w.1. S IS.8 l1.? Sl.7 I.C F , N Io. NW f;h66.p 2.2 I.E VARIABLE I 1OFALS I ,6t TIAL NUMBER or OPSERVATIONS: 90C

118 GLO AL CLIMAIDLO6 BRANCH US AlET AC AIR WEATHER SERVICEIMAC PI.RCENTAGE FRECUENCY OF OCCURRENCE Of SURFACE WIND DIRECTION VERSUS MINO SPEEO FROM IO.RLY OBSERVATIONS STATION NUMBER: STATION NAMES NIAGARA FALLS TAP NY PEQIOD Of RECORD: MONTH: SEP NOURSILSTI: isu-ito... I WIND SPEED IN KNOTS DIPECIION I ZP S5 GE 56 TCTAL MEAN (DEGREESP I % WIND... h, Nf.2 1.! a.j I. NL C 8.6 a.2 NEK; E,? fse SE EE ,SSW Sv.* ,8 3.SW I I bnwd r RU I ?.INW S.C... VARIABLEI CAllLM (3ll J TIALS I p TOTAL NUMOER Of OSCRVATIONS: 9,o IL - 2~VT

119 GLOBAL CLIMATOLOGY BRANCH UbSAFErTA AIR heather SERVICE/MAC PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE MIND DIRECTION VERSUS WIND SPEED FROM ' F'OVRLY OBSERVATIONS STATION NUMBEP STAlICN NAME: NIAGARA FALLS ljp NY PERIOD OF RLCORO: 77-Sb MONTH: SEP HOURSILSTI: I jjin0 SPEED IN KNtOTS DOLECTION ' GE 56 TOTAL MEAN ID(EGa[[SI 2 W IND N.7 3.! NNE I NE i.2 4.r # 6.3 Ehr V L.2 3.-, C c ESE,. I.C SE SSE,1,7.4, , 2. S, $SW t, Sw WW S I.2 2.C WNW a.0.ny c.1 3.6?.% NJ I S.7... VARIABLE i ~CALM /I / 1.41 Ilt i.*1 t., I I/ / I I /., I/ 11/,#/ i 1 2.9IIIIi, TOTALS I '.1 8,7 $F. 15.-; TOTAL NUMBER OF OESERVATIONS: Oi 0 L

120 L4LOAL Us USF 7C CLIFAIOLOGY SRANCH PERCENTAGE FIREVLENC, OF OCCURRENCE FROM* V-OURLY OF SURFACE OBSERVATIONS WIND DIRECTION VERSUS WIND SfEED '. AIR WEATHER SERVICE/MAC STATION NUMBER: STATION ANM: NIAGARA FALLS lap My PERIOD OF RECORD: MONTH: SEP HOU 5 silsti: e oe WIND SPEED IN KNOTS IIRECTION o 48-s5 GE 56 TOTAL MEAN fulgrees) I WINO b.67 3.L ONNE I he..* ENE *., SE E SSE I SI E S.C S.8 b.* SSWI.1 2.C b 3 # WSW I , , 7.8 AW S.0 Nh Ii~~~CL iii l I!!11! } ii 1 ll!i I I it III I. I I. I 1t It I!!II I II I ii I I / I I I I il Ii I /I I I Il I/ I! I 0. /1/ 101AL %UMBER OF OFSERVAIIONS:

121 GLOrAL CLIMATOLOGY BRANCH PERCENTAGE FREUEtNCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SFEED USAFETAC FROM POLRLV ORSERVATIONS AIR WEATHER SERVICE/MAC STATION NUMBER: STATION NAME; NIAGARA FALLS ZAP Ny FErIOD OF RECORD: MONTH: SEP HOURSILSTI: ALL... WIND SPEED IN KNOTS OIPECTIGN R SS GE 56 TCTAL MEAN DCOG[ESI I WIND N I.5 z2 2.5.( NNE. 1.! NE * E NE I * L.7! *A rse I e.2 3.z 5.9 (,3 1.4 to s C ISE.4 1.? ,7 S r S p 4., SW S M.W l.a W I. 2.q , C Nu IN, ,O, VAQIAFILr CAL" // // / // /// /// // / 6.11 /1/// TOTALS 59 29, , TOIAL NUMBER OF OSrfRVATIONS: 72uO 4 ml -bp

122 G LOVAL CLIPATOLOGY HRAtNCH PERCEI.TAGE FRECUENCY OF OCCURRE9NCE OF SURFACE WIND0 DIRECTION VERSUS WIND STEED USAF EAC FROM POVRLY OBSERVATIONS AIR WiEATHER SERVICE/MAC STATION NUM'EP: STATION NAME: NIAGARA FALLS TAP NV PEPIOD OF RECORD: MONTH: OCT HOURSILST: WIND SPEED IN KNOTS DIPECTION I b ZE GE 56 TOTAL MEAN I UE GRE ES 5 WIND... ~.s 7o 2 1.'i I.NU.3 i.i.1.z NE I.; EI I 1.6 b ESE I.c 5.1 S.3 SE ' I S.6 2.? R.4 SS S.1.C SW I 1~ Usk, ,1 2.; W-NW. 2.C S.? 8. 7I 1 I.' r Otf VARIABLE I CALlP //i m //I/i/i/ //i/1/ /il///// 7.0 ////I/ totals 7 Ps c. TOTAL NIUMBER OF OSlrVAlwOtnS: 930 L...

123 GLOBAL CLIA70ILOGY PRAN4CH PERCENTAGE FRECULNCY Or OCCURRFNCE Of SURFACE WIND DIRECTION VERSUS MIND SF LED USAFEI AC FROM 11OURLY 09SERVATIONS STATION. NUMBER: 7752b? STATION NAME: NIAGARA FALLS IAP NV PERIOD Or RECORD: MONTH: OCT HOURS(LSTI: WIND SPEED TN KNOTS UIPECIOt I In T ND N SS GE 56 TOTAL MEAN 2 IDEGRESI I WIND... II, N.9 6.S L d I.3..3, ke I 3.p I N t * S.N '1.5 E ? f" SE I ? SF IC B s se.n 1.,., S.p 5.3 i.p rs N S W I e 3.! S. I.5.r S S. 2 3.r , hwn I Ct N.2 I.E ' I "...V TOtALS I r I IOTAL NUMBER OF O.SERVAIIONS: 93a!' -'N

124 CLO 1 3AL CLIPAIDLOGT BRANCH PLRCE14TAGE FREQUENCY Of OCCUIRRENE OF SURFACE WIND DIRECTION VERSUS WIN1D SFEEO USAFETAC FPO" FOLRLT ORStRVATIONS AIR - A HEF srgvicc/mac SlINNUMPLR: STATION NAME: NIAGARA FALLS TAFPT PI:IO?FPOD 7-86 MONTH: OCT HOURSALSTI: I1ND SPEED TN KNOTS UIILCIIN 1 -! P GE 56 TOTAL MEAN (ObREESI 2 WIND : P"! INE I 1 1.'.6.? 2.6 6,]. 4 'E INr E " 1, f SL I.5 4.? S r ? E, 3 1. s S ) s.2? I Sw.1 1.p JSt S.1 l.r, I"N , NW ~. 1.3.A t I.Er VAR IAJBLE.ICALM / jj//// /j /j//j/j/i/j///jl/jjj//jj//j///s / //// 8.9 jioll TOTALS L TO AL NUMBER PF OSFRVATIOAS: 930 NL

125 GLO AL CLIrATOLOGY BRmt.CH PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEED USAFETAC FRO" 'OLNLT OBS'RVATIONS - AIR ;EATNEP SERVICE/MAC STAION NUER: 72S267 SIATIC% NAMES I1AGARA FALLS lap NV PERIOD or RECORD: MONTH: OCT HOURSILSTI: I WIND 1 SPEED IN KNOTS OIFICT1.O I C ZF GE 56 TOTAL MEAN IU:.-PEESl t MIWND E U 1z Sf I S SSWb C$L 2.2 /11/ Iw ISw !3.5 S I I.t NI ".E I. I,Z 9 q, , * VAPIABLEI T totals I 2. 3 l TOTAL kuffpep Of OC.SfRVAIIONSs %ji'

126 (LO.AL CLIVAIOLO6Y BRANCH PLPCFNTAGE FPECUENCY OF OCCUPRFH( OF SUOFACE WINO DIRECTION VERSUS WIND SPEEU USAFETAC FROM VO1LV OBS RVATIONS STA1ION NUMBER: SIAI1CN NAME: NIAbAFA FALLS TAP la PLPIOO OF RECORD: MONTH: OCT HOURS(LST): 12U WIN SPEED IN KNOTS DIFECIIUN I C GE 5b TTAL MEAN IDEC.I#EESI W BIND...., ;: F. *2 2.3 l.t *9 *Nl o , PIE.1 I.t F, t 1.q " SE 1o" *SL.' SSF I *.* 1., s!S-,., j1,s Sw, , C,. 4.5W c R I VNW *. I "NA CALM I /i/i /l/iiil/i/ i/ UhI /j /Ij,/,/i/i// j/i/lu/i.9 1///// TOTALS ib.i %... STOTAL NUFBLR OF OOSERVATIO4S: 930 o.,,,l. ~~( - i_----

127 p V. LOUAL CLIMATOLOGY BRANCH PERCENTAGE FPEVUENCY OF OCCURRENCE OF SURFACE kind DIRECTION VERSUS WIND SPEED USAFUlAC FROM OURL OPSFRVAIIONS AIR WEATHER SERVIC:/MNC STATION tuplp: STATION NAME: NIAGARA FALLS IAP NY KNOTS OC OU: MONTH: OCT HOURsILS7): I kindspeed IN KNOTS DIPECION I! C P GE 56 TOTAL MEAN IoFGRCESI I I WIND I,; PNN ' NE I I FNE I R.C E C rs..n q S! I* r S.2 I ss T I. I I. 9 VS. *C ; wn.w NW F I.e A.5 N. 1.' * VPNIAPLE CALM //// / / ////// Im/ 1//1 / /////////1/// lltti ililp/// //1// 1////.9 t1/ TCTAL$ I I.4 21.' J IOTAL NWIPES OF O~srh VA TI0NS: 93u

128 11 GLJuAL CLIPATOLoGY PRANCH USAFETAC AIR WEATHER SERVICE/MAC PEPCENTAGE FREUUENCY OF OCCUPRENCE OF SURFACE WINO DIRECTION VERSUS WIND SFEED FRO- VOLkLy OBSERVATIONS SIAIICN NUVILP: SIAIION NAME: NIAGARA FALLS lap Nv PEPIOD OF RECORO: MONTH: OCT HOUpSLSTI: 1RO U SPEED TN KNOTS ODIECION I I E 56 T(TAL MEAN 4 0 ( GF'EES t 2 WINO -t,*2 2*r NE.5 I NE I.: LEr I ! e.9 7.C I5L S1.2 1.! SF I C S.* 3.C L S I s SW sy l.4 ' lo.4 v NW 2 I.C E.2.S ?jW S 10.9 f Nt w f1.1 OITALS 71 I IotAIL hugfeer or OSERVAIONS: 930 p. * mv

129 GLOLAL CLIFMATOLOby BRANCH USAFCTAC AIR WEATHrR SERVICEIKAC PERCENTAGF FREUENCY Or OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SIED FROP VOtRLY OBSFRVATIONS STAlICt. NUPRLR: STATION NAME; NIAGARA FALLS TAP NT PEPIOD OF RLCORD : MONTH: OCT HOURSILS11: IND SPEED TN KNOTS * DIPECTION I Zp 'l GE 56 ITAL MEAN I DE GrEE S I S WIND ; N o * IoC 57 7 N.NE.z NE E L I.C f SE,* S ",l IS[ S.9 2.? CS'A I, q us I , I W Nw , I.- TOTALS I 6. 2P.U 36.e A TOTAL NUMBER OF OSERVATIOIfS: 050 (/ ',.

130 f blobal CLIFATOLOGV PRI.E PERCENIAGE FRECUENCY OF OCCURRENCE OF SURFACE WINDW 3IPECTION VERSUS WIND SF-ED USAF[TAC FROP IJOLRLY OBSERVATIONS AIR WEATHER SERVICE/MAC.iAllCN NUMnER: 7252b7 STATICN NAME: NIAGARA FALLS TiP MY PERIOD Of PECOPO: MONTH: OCT HOURSELSI : ALL.... WIND SP&EED IN KNOTS DIRECTIoN I R l8-55 GE 56 ICTAL MEAN ()EGREES) % WIND NE ! S I NE et 9.b 6.8 ISr I ol sr s.5 2.? I ' Sw V I.S ,.6.3.n W. I q N.1 I 1.' lo.c Nd 42 1 I t.2.' h.i I.C 1.7.p I ALS I : TOTAL hu8elq OF OOSEFVATIONS: 7440 J L T,.....6, :-

131 * i blomea rlima'olog e.a*ich PERCEhTAGE FREC6F..NE OF OCCURRENCL OF SURFACE WIND DIRECTION VERSUS WIND SFEED US FETIC FPO-.OLRLV OPSERVATIONS AIR,tA THEP SERVIE[,4NC!l.IAvL NUMRLR: SlIAlICN NAME: NlAGARt FALLS TAP NV PERIOD OF RECORO: MONTH: NOV HOURSLSIS: I N( SPEED IN KNOTS CitEciIlN I 1-3,-6 7-1c P GE 56 ICIAL 1AN, t0e GPEFS I t WIND 2* S NrNF &r,)...a.1 17 S.9 F,( h l.4 S E 1. 1, T.3 I SE,4 2.') o SI t.2 1.' S So..q o.c SP. I IO.S WSW I !.c ".q i.2.1 2r lvnw S' I I q.? % N4e I ' VI.NIANLE I CALP I/I/I/IdS/ S.6 /t1111/ TOTALS I ?.4, TOJAL NU38( OF OnSERVATXONS:

132 GCLO;AL CLIMAIOLOGV MRANCH PLRCCITAG[ FRLOLTI1CY or OCCURRENCE OF SURFACE WIN DIRECTION VERSUS WI4D SFIED vsaf etiac FRO" VOLNLV OBSERVAIMONS AIR AiTHER SERVICEIMAC STAICN NUM3FR: STaliCk NAHE: NIAGARA FALLS lap PIT PERIOD OF PLCORD: It"NTW: NOV HOUw 1 4L513: Ds,...*...'...; I..Itd SPEED IN DIPEC1I 0 1-i C GE 56 ICTAL MEAN IDEGREESI g WIND I. ~ 1.1 1I. Z N{ NF SE S Z *6II. 5.6 I.C ,- S! p l $ ~. 2.r 2.3?.c., 6.9 I.1 h w C Lf. MNW *///I I t/ l I?/Il,[ 7 1. /. 1.7 /o./ It/i//p/II 4IIIifItIIIIIIIIIm011ItItII1 6.1, , VAr I AWLF -OVAS I '.b ).9 0C.0 S., IaTAL 4UMBER OF OP.tRVA1IO1S1 9o17 7 L *t

133 bloill CLI ATOLOGY PRAICH PERCEN1tGE fre;ul.cv Of OCCURI;R'dCC OF SURFACE WIND OlECTION VERSUS WIND STEED USrFEAC FROM fot'ly OSERVATI1ONS AIR WEATHER SERVICE /AC siai C' IUPBLR S1AT1IO NAME: N6bARA FALLS TAP NY PE"i00 OF RECORD: MONTH NOV HOURs.StI: ~~~~~ ; WINED SPrED $ UIPE[C110N I P a8-55 GE S6 TlTL HEIN (DrGOLES? 2 WINDO N D 8 2* O t. NrV fle I C c L,1! t. rsr IC I.1 1.8? ? * IC.? S.6 Z q 9.1 -!sw ? I I,5w ,. 9.6 Ic6.,t t ' I t.3 S N. t kw.1 1! " vat IA8AL: I TOTALS I 8 2, C.1 ~ W..OOC 6.6 TOTAL KUHREI C1F 0'SERVAIIONSz,jc II

134 GLOo L CLIPAIOLOG? BRAiCH USAFCTAC AIR WATH~dER SERVICE/MAC PER(LNTAGL rrecuikcy OF OCCURRE14CE OF SURFACE WIND DIRECTION VrRSUS WIND SPEED FO0" FOt'NLV OBSERVITIONS STA1IICN NUA4EP:??5267 SIAT10N NAME: AIAGAR. FALLS TAP NY PE0IO0 OF PECORD: MONTH: NOV HOURS LSIA: ' I hind SPEED TN KNOTS 01ZEClION I! " #1-? I8-5 GE 56 ICTAL PEAN,OEb Ers, I :NO %. 1.1! S* NE. I.c ! hr ? 9.C I o4[ I S E ].2 9., E E L ' S $t.1 * ?.? h, SS ", Sw. ' ;.6? I. Su.7.? 2.3$ ' P., ! ' WNW I.2 i.r ? ? I-S *. ATAL CAM3.2 io.6l 101LS I 2.6 Is. 33.C I TOTAL NUMLPl Of OFSErVAIONS: 9J1.'.. " " '... i

135 -LO-6L CLIPIIOLOGY PRA'%CH PERCENTAGE FNE 'clncy Of OCCUURErc OF SURFACE WIND DIRECTION VERSUS IND ST(E USAF[ IAC FRO- 6OtRLY OPSERVATIONS r. A1?.rATNE SERVICCIMDC s1*cn NUonLp: 75z87 StAIteN NAME: NiAGoRA FALLS IAP KY PEIO0 Of RECOPO: WIND 5Pr~n TN KNOTS MONTH: NOV HOURstLSII: 12CO-1400 UIPECTIv% I 11 %-6 7-1c "-27 ZP-3S 36-4O SS GE 56 TOTAL MEAN 4DrOf ES I IT WIND NNE N 1 1.q ?2 hr r h r, ,7 E C.1 1,I r SE I I Sr ,6 SS( * S I1' " io.s SSW I $.1 1.f, *5, ,Z 2.1, C 6, t l * o Z ) 6.9 1o5 * CAL., I 2.13 m/ill JOIALS I 1 1Z % % c. 3.3 i., '.(... TOTAL NUMBIR OF O'SERVAIOINS: 9UG,,. m -'

136 GLCLSL CLIPIJOL0G? PRAPNCH PEQCED3AG[ FREQUEhCY OF OCCURRENCE OF SURFACE WIND UIRECTION VERSUS 1NO i -EED USAFEIAC FROM PlOERi. ONSERVATIONS AIR.tAINFR SERVICEMiAC $TA13CP NU"4LR: SIATICN NIE: N1168il FALLS 1#P NY PL&IOD OF RECORD. 77-8b MONTH: NOV H.0URSILSI3: WIND SPEED Itg KNOTS DPECrl 04'i b 1-IC F-33 3% GE 56 TcTAL MEAN (016G ( S1 1 2 WINO..1 3.? 2.3,4.1 6.? 7.1. I e.0 hl.,i.c L,., b 6.5 fsr..* ? SE..c S * t' 2. 6t. *? SS. I ? 7.2 I0.C S.! T S W. 2.2 S I " 3.2 P I -P, p q.3 10.R. I 1 2.' t.c L ' I i.2 R.? IIALS I i0. 39.t *AL kumme CF oisfrvai ans: 9qC (L - 2'&,;, A

137 GLOHAL CLIPATOLOGY BRA14CH USAF1 AC AIR dwfathir S[RVICCIMAC PE[C[tTAGE FRLLQUNCV OF OCCURRENCE OF SURFACE WIND UIRECTION VERSUS WIND SFEEO FTO' IOIRLY OBSE0VATIONS STATION NU1"IL8: 7?52#? SIMWION NAME: NIAGARA FALLS TAP %I PERIOD OF RECORD: MONTH: NOV HOURSILSTI: L14NI WIND SPEED IN KNOTS DIPLC,I 1-! , , GE S6 T(TAL PEAN 4. I I 'NE I.: SUGLS WIND NE" ENE I.f L ISL v * St,,c *,' sr,. 1." ? 8. S 22.f !Swd 1. a S So, , S'd I 1.q * I.." , id * 1 * ,' C ala ,. I *O J. 14.? 10.6 VANJABLr IIALS I p i 3.4,, TOTAL kunrep OF OPSERVATIONS: 900 L , _ f

138 I... GLOBAL CLIPAIOL ty PHANCH PLPCttAG rek CNCY OF OCCUPREf.CE UF SURFICE din' DIRECTION VERSUS INO SFEED USAFETAC F9O POL'RLy OPStRVATIONS.w MLAIHNE SFRVICE/4AL STAIICN NUMILR: SIATICh NAME: N]AGPfA FALLS lap NY PEPIOD OF PECORD: MONTH: NOV HOUpsILSTI: MIND SPES IN KNOTS U"EnC1ILN t 1-1t It-It GE 56 1ETAL MEAN 11 UPES I I t WIND N r" 6, NE I 1.'.? NE r E 6.e S I SE S SSW I.E Sw I., a LsA e. 1.? 2. 2.q f 6.? WNW ? 1. o NW VARIABILEI... :: :.. :..... CaL" # / / / 3.2 li//il : TOtALS I!,? 21.' ='S1 3, C 0 IORAL tiumes o OOPSFRVAtION : 9u0.. L : 'S ,4~ S

139 b GLOIAL CLIP'AIOLOGY BRANCH PERCEt.TAGE FRCOLCNCV Ov OCCURR!NrE OF SURFACE WIND DIR[CTION VERSUS WIND SPEED USAFETAC FRO- -OURLY OBSERVATIONS AIR %FATHER SERVICE/MAC STATIOn NUM3ER: STATION NAME : NIAGARA ralls IAF NY PECIOD OF RECORD: 77-l6 MONTH: NOV HOURSILSII: ALL I 6dND SPEED IN KNOTS DIrECTIIN I 1-3 ' F '68-55 GE S6 1(1*1 6PEAN IDEGREESS I MI~ND f NNE 1..P NE *tt.e.3 *.p r E.5 3.C 3.6 Z.C IfAH[ FSE Fi# I -f~. p 1R /RA SE.1 A.? DId C I.3.-P l7-1.a lq? q-s [S T N.7.3 n Q S I.1 1., Z P4.1.rc US u W L 12.2 Id Z Q b v fw S NW i S VARIABL17 CALM S-..-." S jjJ/P11II/i ii/di/ii i //j/jjj llmi/ ///j111/// m #II//////III I.#j// 1// TOTALS I , 100.0?.5 TOTAL pu"pcr 0$ OeSERVATIONS: 1200 rs[.,,;,3.. "'2,)? q..

140 GLOrAL CLIMATOLOGY I,9ANCH PIERCEhTAE FRECUENCY OF OCCURRENC'L OF SURFACL WINO fiecton VERSUS WIND StEED USAFETAC FqOm 'OLRLY OPSERVATIONS AIR wfaihef StRVICE/MAC STATION NUP'.EP: 725ZB7 STATION NAME: NIAGAIFA FALLS IAP NY rpr'lo OF PECORD: MONTH: DEC HOURS(Ls 5 I: OOC-020c... WIND SPEED IN KNOTS LIPECTION I P GE 56 TOTAL MEAN (CEGrTEEDS) x WIND *1.6 * 1.~ 7.9 NE I.~ 1.0, 1. 7 TT. 1.7 *, R I.1 l. l S S., S I., U I,5D "S I '.9 R r 9." ' C.G 3.5, , ".1 1.' ' V? 4 1ARLF 10 1 ALS I ' C.' E TOTAL NmiMPIT' OF 0-SrR RATIONS: airl AtL

141 GLOAL CLIMATOLOGY PRANCH usafetac AIR WEATHE SERVICE/HAC PLPCEhI. GE FRELUENCY OF OCCURRENCE OF SURFACE WIN0 DIRECTION VERSUS WINO SPEED FROM POLRLY OPSERVATIONS STATIC. NUMILR: 725,87 STATION NAME: NIA(,ARA FALLS TAP NY PLOIOD OF RECORD: MONTH: DEC HOURS(LST]: WIND SPEED TN KNOTS 0 If!LCIoN I 1-T 4-b ZI P GE 56 TLTAL MEAN IFirEESI % WIND... N 2.r a.i N;NE, q 1.2 F. 2 " NE " r, L ' p c I S E.S.S 2.7 S sr Ksr S.] :, P.3 e.1. 4 I5. 1 (11~ 2.' I,' S I.p , 3.' 7.4 I '.1 7 I7? ~44 I.c ?,..?, 1.7 I.l VARIA'L I.O. I...' TOtAL NUMI'L' CF OISEVA71 DS: L

142 GLOB3AL CLIMATOLOGY qranch PERCENTAGE FPLCUENCY OF OCCURRENCE OF SURFACE WIND DIREC71ON VFRSU$ WIND SPEED USAFETAC FRO" POLRLY 09SERVATIONS ',! AIR EATHEF SERVICEIMRC "I TATICN NU Fq :?8-7 STATION NAME: NIAGARA FALLS TAP NY PERIOD OF RECORD: 77-8b MONT": DEC HOURS(LSTI: U en knd 1.2.' ,8 CFCIN P E 6 T L MA N 2,5 2. 1, [ l $e 1l, 1.6, 6.1 ', 32 2 ~ P86.6,..2 '..! 1, 49.V L e I.C?. 1 SE c N6 I,' '.M 9. V1A6L. r TOTALS I.? q. n 1. 3Ot.o TOTAL NUmpM' of orservations: g? 9 IL 6%

143 010. AL CLIPATOLULT. PRI114CH PERCENTAGE F RE ;UENCY or or curr NcE or SURFACE WIND DIRECTION VERSUS WdIND St EEO USAFETAC FROM I9OtRLY OBSERVATIONS AT;? keair SERVICO.'MAC STATIC!. NUPlIR: 7'5281 iv STATION NAME. t#lagara FALLS TAP NV PEDIOD Or RECORD: MONTH: DEC HOURSELSTI: JIN4O SPEED TN KNOTS L I 1 if ECTI Ic , GE 56 TOTAL MEAN Nt I 1.3.s S I ! F I~2. r I5 St I., W s~ ~.1 *~ * !SE ~S 7.0 S I 1 1.q ~s. I tri S.,.4 1.c E IS P a] bath( SERICEIA 4 AlgA 1 s K. I fi NI,l W ~ VfR1ABL CALM I j 1 jjiijji////j/~jj//ii./i/ji/~i~j//i~iiii/~~/ 2.6 ji/li TCTALS I 2.4 1?.( i! TOUTAL kumfe4 Or OPORRvATITNS: 9530 JL

144 GL3DAL CLIVATOLOGY BRANCH PRCEI.1AGE FREQUENCY OF OCCUPREN E OF SUPFACE WIND DIRECTION VERSUS WIND SP-EED USAFEIAC FROM IJOL'RLY OBSERVATIONS AIR WEATHER SERVICr/MAC. STlATCR NUMIPR: 72528? STATICN NAIE: 11AGAA FALLS ZAP NV PE&,IODI OF RECORD: 77-8t, MONTH: DEC HOUpsILSII: I WIND SPEE) It, KNOTS CI CLCfO 1N "-6 7-A Z ' GE 56 TfAL MEAN 10 Uk ; L F S I W.IND h *8 1.2 i.r NN %E..3.T NE I., F L r SE,.,1.8 2.n 7.3 SF SSE I s.? 2,C 3.S SS. 1., E *w C ,3 WW. 1.1, 6.! I.2.; 8.2 IC L0.f 13.7 e.t I, , Nhd E CALM lji//i////i////// //////ii///////////i///i/i/ii /ju//uj//jjj /jji / ji/j//j/i 1.0 ///i... TO tals 5 1.4l., IT.OT1L *0 A** * N, ***, **f* 0*L-51'R *0F.**, * A*T,*.*0 P S, *4. G** *. **... ** *.. ** * * * * * * * *e** e * * * * ee * * e e * ee * ~ e NtLIE OF O--RVA-IO-S: -AM L.

145 GLOAAL CLIIAIOLOGY!3RACH USAFETAC AT w[ IATHP SERVICE/MAC PERCENTAGE FPELUfNCY OF OCCuPRrhcE OF SURFACE WIlOD DIRECTION VERSUS WIND STEED FRO- 6'Ot.(LV OBSERVATIONS STAIC NUM9ER: 7:5267 STATION 40M[: NIAGtQ# FALLS JAr My PERIOD OF PCORD: MONTH: DEC HOUps(LSI): ISDO-17OO I WIND SPEED IN KNOTS LIP C1ItN I I-I ' ? f8-55 GE 56 TcTAL MEAAN lurgrees! I % WIND NNE r N I.I IC I.X.E LiN E, q ,4 F SE I C 4.6 7?9 'S I1.6 P , I. r.p 3.c.6 b.c 11.3 Sw E '. Sw f r WNW I , %4 1. r q NNW..p CALM # / 1.7//// I M/lt IIALS : ' 3b ' C TOTAL NUNBER OF OFSERVATIONS: 9JL --- -, L

146 f.lo:,al CLIPAICLOGY PRANCH PEfLEg.160L FRECUIENCY Of OCCVRRftCE OF SURFACE WINU. DIRECTION VERSUS WlIND SfCLIJ JSAFETAC FRO" POLWLY OPSERVAY10NS AIii,FATHER SERVI(CE/MIC STATION NUM9ILR: 715,17 STATION NAME: NIAGARA5 FALLS TAP hs PE91OD OF FLCOPO: MO'NTH: DEC NOUqsEStI: 1PO I blp.1 2 SPEED) 2 IN KNOTS rjifecti~or u P c ' GE 56 TiTL MEAN 60t0 9 LES1I % WI114 K. I Q ~. '1. 63 ERiE I ?.6 NiL I. f I L s rr % sr I sr.: S ~ SS Sw I l 12.8 I " Z.s 4.,.14 1.' h c N CAM I,,u,I /ii I//uI II I /I/I/i pi//ii/i/iiipi/i/jij/ij/jj I//jjI/Uj/ 3.? ill//1 TOIALS 7.7 2L.! TOTAL NUMPIS aof01 OS E AV A I104S: 93C j - L

147 GLO-,AL CLIPMAIOLOtY PRA-ACH PERCENTIAGE FRLGLLNCY OF OCCURRENICE Of SUPFACE WIND) DIRECTIONd VERSUS WIND SFEED USAFEAC IRG LILY ORSERVATIONS AIR WEATHER SERVICEIK4AC STATION NIJMIEl: STATION NAME: NIAGARA FALLS IAP NV PEP100 OF RECORD: 7-86 MONTI4Z DEC MOU~sILSTI: I WIlND SPEEnTh TN 401 DIPLC11fn I-jr e ? GE 56 TOTIAL MEAN 10E'E S I I I WIND N ~ I ~4.? 7.9 'N I * NE.. ~.~ NE i~ S 6.6 E.1 3 r. 2.it 2. S tsr. 1.q Iu 1.4 z2.8 2.G 7.5 i. S I S I I I.9 Sv ? I S I. A S 4.c VNA I..p S N ~ 1 I ~ S '.3 I TOTALS I : 24.' L.# 9. Z.S.2 a TOTAL h18 PEP CF OPSERVAIIO.S: 930 YL.

148 ]Vl -LUbAL climhtology PRANCH USAFETAC AIR -. FAHR SERVICE/MAC PERCEkTAGE FREQUENCY or OCCURRENCE OF SURFACE WIND DIRECTION VERSUS BIND $FE(D FROM FOLRLy OBSFRVATIONS STATION NUPRLR: 1,5287 STATION NDE: NIAGARA FALLS TAP 's PERIOD OF FECORD: IONTH: DEC HOURS(LS)I: ALL I"1ND SPEED IN NOTS! IPECIION 1! P GE S6 TLTAL MEAN.DEvEtrSs I % WIND NNE.1 *.6 * ' C FKE, ,..1.3.j f.5 2.! c.2 P r SE s r , SE, , 2.9?.2 S zt! W I,I 1,! 1.9,. 6.I S :S1.WS Z..? c.9! ? 5 It i C 3.6 I. 651, 1.s 1.! il, '?I*L(I V?* R I AR L E ' CAL" / * // / / #/ / 2.7 ISl TOSL 1 Z.4 Z1, 2 2E J? O.4 '( TOTAL NUMBER OF OrSERVATIONS:?39 _. 4', ; l o A.,

149 .I---- tlajal CLIPAIqLOGV RANCH usaietac AIR WEATHER SLRVICE/MlA' PERCLkIAr FL EZANCY OF OCCURRENCE OF SURFAC( WID DIRECTION VtRSUS 6IND SFE[L FPO- VOtRLY OPS[RVATIONS STATION NUO40ER: 72528? STAION IIM: NIAGARA FALLS SaP NY PAIOD OF PCORO: 77-e7 MONTH: ALL HOURS(ELSI: ALL I wind SPEV[ IN KNOTS oi1'ectiu [6I 7-C c ?-21 Z 2 -Z 7 V L il-t7 49-5s 6E Sb I(TAL "EAN td1(-"e!sl It WIND c.1 *? 7.7 PN.2, ' NE.2 1*'r 1*'.1 *l.1." 3.3 P. 3 t NE S.1 8.C t,5 S 2,A *s SE.$.6, I,.* , E.E ".*.0 *2,.9, a,9 UNS! I a 2.r, S R.2 S.C '.p C I M 2.2 4( 4. 5 R9.3-9 r q.o I.* 3.2 ' r0., 22.- a ~ '4.' I 2 1.! *N ,.3 n0 r f INN * CALM ii./i~/~i~i /p~i UI~ I 06///I fl TOTALS I C J *TOTAL 'NMPE CF O"SrRVA1tT'dS: A7642

150 GLO :DL CLIPSTOLOGY FIRA-jCH PEPCL AG( ORE.UENCYV OF 0CCUPRENCE OF SURFACE DIRECiON IO VERSUS WIND SP(EE USArEIAC FRO" POL1Lv OPSRVAIONS AIR4 heainhr S1RVICE/HM4C STAhION fillmrep: 1Z2827 5TATI ON NAMtE: NIAGARA FALLS lap 'IV PEPIOO Or PLCOPO: 77-A, S MONTH: ALL HOURSILS1I: ALL... 2 r" ;'Ii0 rl T, T' ; ;... L ~ I IL, I0 '' CEILINGDS 2C' TG 1400 PLE b.17f VISIBILIIILS 10l PILE OR POPEf AND 404 CEILIIGS 2n0 FEtT OR MORE WITH VISIBILTIES l? MILES wlso SPE$D" IN KNOTS DJEC1i ON I I-! s GE 56 T 8L MEAN I ur GQEE st W IND 0... *N j NP. *O s* lo.s. tf,[ L F SE?.1 I I.E.. Z S.F. 3,c s9.1.1, ,1 1.9,, FSW, I I2., 1.,I, S , o ? W, I, I.1. S, 5. t 1.2, ,C.'. I ' 3,3.,..4,2 9.9 II.C I., 1.2 I1. 2',,r h h4nw.w c,- 1.p 2...C *VORIAPLE I TOTLS " 3 1. q 7 1 h.2. DO r, UPl' OP O:'.rvI49A10.S: 33991?... - A

151 ppppp,p~ppl A:. A RRRRR TY TIIII1 T0DD000D0 PPPPPPPPP AA A RRRRRRRRR TI1 DO00000 ppp PP L L RR R TT DO DO0 ppppp AAl:AAAA RR IT 00 0 :P A A L AAA OR PP I I Do 00 PP A LA PR R TY 00DDD 00 PPAA AA OR OR TT

152 77--'U -_ CEILING VERSUS VISIBILITY AND SKY COVER SUMMARIES CEILING VERSUS VISIBILITY SUMMARY THIS SUMMARY IS A IIRVARIATE FREQUENCY DISTRIBUTION BY CLASSES OF CEILING FROM "a" THROUGH EQUAL To or GREATER THAN 20,000 FEET AND AS A SEPARATE CLASS -NO CEILING'. VERSUS VISIBILITY IN 16 CLASSES FRCR ZERO TFRoUGH EQUAL TO OR GREATER THAN 10 MILES. DATA DERIVED FROM HOURLY OBSERVATIONS. FREQUENCY DISTRIBUTION PRESENTED BY THE STANDARD i-nour TIME GROUPS BY MONTH, MONTHLY AND ANNUALLY IALL YEARS COMBINEDI. NOTES: BEGINNING IN 1966, "ETAR STATIONS REPORTED VISIBILITIES TO 6 MILES ANO GREATER THAN 6 MILES. THEREFORE T0E COLUMN FOR VISIBILITIES EQUAL T' OR GREATER THAN 10 MILES APPEAR BLANK. AS A RULE, AIRWAYS STATIONS NORMALLY REPORT VISIBILITIES TO 6 MILES AND T OR GREATER. HOWEVER SOME STATIONS REPORT HIGHER VALUES. THEREFORE, THE 10 MILE VISIBILITY COLUMN SOMETIMES CONTAIN SMALL PERCENTAGE VALUES. HOWEVER. THESE VALUES ARE OF LITTLE MEANING AND SHOULD BE DISREGARDED. FOR METAR CIVILIAN STATIONS REPORTING "CAVOK", ALL CEILINGS ABOVE 5000 FEET WERE SUPPESSED TO SOCO FEET. THEREFORE, NO PERCENT VALUES APPEAR ABOVE 5000 FEET. I- SKY COVER SUMMARY PRESENTS PERCENTAGES OF SKY COVER IN EITHER IOTHS OF COVERAGE OR "AIRWAYS CLASSIFICATIONS". DATA SUMMARIZED BY THE STANDARD 3-HOUR TIME GROUPS BY MONTH. MONTHLY AND ANNUALLY lall YEARS COMBINED). ALSO PRESENTED ARE MEAN SKY COVERS. FOR AIRWAY STATIONS, THE CONVERSION FROM THE AIRWAYS DESIGNATIONS TO IOTHS FOR PRESENTATION ARE: CLEAR 0110 SCATTERED 3110 BROKEN OVERCAST OBSCURED 10/10 L. S.i'

153 P GLAAL CLIMAIOLOGY BRANCO- PEsCENTI.E RE(EUENCY OF OCCURQENCE OF CEILINIG VrRSUS VISIBILITY LS 8 FEIIA FROM HOURLY PBSERVATIOtJS AiP a0at -ER SERVICE/MAC STATION 14UMBER: STATION NAME: NI*GAPA FALLS lap NY PEIOU OF RECURD: MONTH: J8, HOUqsIL T3: I N GE GF GE GF GE GE GE GE GE GE GE GE GE GE GE GE FEET I 1C /2 1 1/4 1 '/4 5/ a 4 " CEIL i q 'IJE.0 15., 19.C ,L GE 18701,1 16.? LOI 1.? P L.C 2L.0 2q ?t n.3 2r O t, 6E Itrcri 16.' C.0 Z.C E E ICI 'G.C e 21.C (,E I-JLnl IF! c '2.u :.% LE 9rLC1 I-.- Z ? E 8ZCI GE 7 0 o 2r c ;.E 6r A : GE 5-CO1 Z b.7 2h C CIE 4 LC 27.?!1.7 1? c Lr C CC1 29., L ! f. 3!i.CI 71., 37.8 o r001 3S b q e I.[ 25' z r. ' GE, -GoI 46.F 59.z E.6 6.,2 b9.b Q.1 b F IF F C I!' or %';.5 t '.t , C ,E 101 l5.2 ( be If CC L A I.E curi!i q.U 84.4 P R G.E p80l 1.'. ( * P A. q E 7tlI ' b.7 A9.2 8Q t C 1t '52.! (-A.0 72.q n6.b LE sce l 52.3 f8.j d , l a.4 ' e , IE! 'ri s.3 ' s r8.6 Q2.1 ),4.1 9S.6 q % q (IE ;27 CI?.' ' ' C b ,E I I!,?.! d.3. ".e t 57. o A q ,L ( S s.q TOTAL lp.iipip OF O'SERVATIO.! 17!

154 K 6LOBAL CLIIOATPLOGV PRANCH PENCEN4TC INEQUENLY Of OCCUWPECE OF CEILING VERSUS VISIBILITY USAFETAC FROM 606LY ObSLRWAI ONS AIR.EA71rP SEVICEIMAC TAICN NUMPER: 7152b7 STATION NAME: PtIAGARA FALLS ZAP Ny PCPIO0 OF RECORD: MCNTH: JAN HOURSILS11: CEILING VISIBlILITY IN 5TATUTE "ILES III I GE GE GE GE GE,E GE GE GE GE re GE GE GE GE GE FEET I / /, 1 1/4 1 '/4 5/ /4 0 ;.0 C[IL I 17.1!d.l ) UE 1-1a P 2L.9 21.c 21.c 21.c LE 1 7C. l ' 21.r LE I -D IF).6 '0.1 20o z E 14'0Cj 18.7 z E If L, I U be 0!:3CC 2C !.z GE 9"col Z S r 6"0 I GE 7P.,0l 72.q P C Or 610C0I ? J I.E 57f:0 I 24.( (A 4';. 26.? U.6!0.9! GE 47,rI 2F. ' ! $E 3 'i P.2! E 3 Q E 2 Li 39.6 * E 5Z b 52.7 S GF 2tC3I b c 67.0 f L.E 19C C UC I GE 1:1C C CIE I1.1 I A P GE '3oI S-.( A P $3. 0 4) SE f ur P1.4 e b(., P e6.e AE 7ol 1.0 P C '.9 P2.G L.E 611 S2.0 2.S5 71.! , ' LE s0il r AE 4rrI ' A ia GE '10I ,57 71., 7t.7 PI.P F5.2 9r." 94.1 vs LE '13i 51. P ? 81.9 k. 4 'n GE ICl 51., (, r. 7 4' (..! ,E (S I 2. % Q '..' o TAL NUMrLP PF 0 SERV8TIONS: 53 L.4

155 F GLOBAL CLIPATOLOGY RAtCr PERCLNTAGE FRLQLENCY OF OCCL'QEKCL OF CFILING VERSUS VISIBILITY LSAFETAC FROM I-OU"LY OBSERVATIUNS AI.VHEp E SERVICE/FA0 STATION NlIPi4LP: 7ZS287 STATICN NAME: N ia AP ALLS 1AP NY PPIOU OF PECOPO: MONTH: JAN POURSILSTI: CE IL1': VISIrILITY IN STATIJTE MILES IN GL b GE GE GE GE GE GE GE GE GE 0E GE GE GE GE FEET I 1c /4 1 X/4 5/8 1/2 '/16 1/ ,0 CrIL I 16. I.C IV LE, ? ,F T7S 5O c , A Ii Lo n Gr I CC IR1. 19.V UE ! 22.! I Cc c I ' S 9%iI 'V c S 8CCI 21.! , t1j 21., b S (.1 6ro 22.P e F Ir l 2' UE 4! ?.7 3Q r ,[ ' !? FIE PI 24.!? ' S U 37.C S ' UE 3fCC1 31.1! ! , :,E 2'C:I :s * GE 2-L71 47.' L CE I1 J f b LE 1'2( 1 4T.! L.' ?4.! 74.' I 12L0I 44.1 r ).5 7! F ue I- ' P A5.I 8S E ''Ct1 4'%.? 60.C o2 ' P ie F02 14.! Lc 7L31 C I ! "9, c Pl1 LO 4C P '.! r'10.7 6K; F p ,0 'l1 4 t,.3 tj.v b3b j. It.L if C 4.(I it 'R or 1I- 4.4 ':.9 67.; t S LE r 4.4 c" pt F IOC.0 TOIAL t.ump Fr OF O:fR VATIOs : 030,d,..

156 CLOBAL CLIMATOLOGY ORAC PEkCLNTAGE FsEQUENiCY OF OCCURDEKLE OF CEILING vfrsvs VISIBILITY usafetac FROM HOURLY OBSEQVATONS AJA 6tA1HE 5ERVICE/MC STATION NUMTLR: STATIc'N NAME: NIAGARA FALLS IAP NY PEOIOD OF RECORD: MONTH: JAN HOURSILSII: CO CE ILIN6 VISIRILITY IN STATUTF MILES IN I E G GE G GE GE GE Gr GE GE GE GE Gr GE GE GE FEET I1c / / 1 3/ '/16 1/ NO CEIL :c b r U.9 ur 2000c A [t C '., te 1 WGO 19.e e GE 14! 0r IN. u br 12r1o2 21.C GE ' C be 90C31 21.t? E.; GE 6C Z GE 720C 23.2? T0., n GE 500c 24.u G ! S E SC GE 81212L " u ue 4220 I C :t ' E 3 CD 26.9! l n GE 1L0; 'S ,l S3.5 5' UE b 48.2! GE 1S e ? jr l ,E 123g R GE 1%C sg LE sir b b 83.9 o P je Ft.0 3t GE 700!6.6 s G E P CE 6 C 36.6 C.q E q je P GE 4 c L 58.2 l qr CE!C I U C.u (.E C)I 3F 'C.L GE 1,01 3(.6 r1., 5q ud.o 65.4 R '3.7 9f b ,E , V ['. L IOTAL NPPQ OF O"SERVATIONS: 933

157 il36al CLIATOLOb 4RHANCH usafliac AIR uiatisfp SERV1CLIMAC PENCENTNGE FREGUENCY OF OCCURDEiCE or CrILING VERSUS VISIBILITY rgom HOUOLY CbSERV8TONS STI11ON Nt'P-E: 7;5?87 STA11CN NAME: NIAGARI FALLS 3AP N;Y PEQIOD OF RECORO: IONT: JAN FOURSILSTI: 12C0-1'00 CE IL11.G VISIP IL7Y IN STAIuir MILLS IN I re GE GE lae GE (E GE GE (,L GE GE G[ GE GE GE GE FEE r Ir c -i / /2 1 1/4 1 3,4 5/ / NO CEilL 1 17.v 7J S E!CrvCI b A I a UP " re 166t;7 21,8 5: : * I.E ' 0CI 22.( L A ,1.E 12C' rc 10cr.0I 24. I Z ;C E 901UI ZZ S 30.5 lo.s E 81 CO 25.f, ! GE?r nl 2S.P ' L (E 6ru 1l 26.1 ' ,E 't C ! , ,E 4'-3d1 27. A ' !, GE 4'.C 28.5! p ZE.9 39.C )!9.c 3* GE 3' lu c C C I.E 3CUCI tl F.2 4q F 23Ci 3S E S C S A.E Z-JC1 38.E 3.4 S U ue l62l b3.3 6C LE 1 c ' ' C E 'j ac R I.E jr LO 4 1. r b c , ' CE -CO be 'LPI P1.7 R4.9 q7.2 37, ".R 91.u i4l 7C01 41'. ' ? E c.2 q2.u LE 6a E F3.1, d GE E.,I P GE Q 4i Q UE ' R fig GE 7I 41. S s , IE 1I , d OU.0 bi 'i 41." 07.a , tota NUMFILP (IF O(SERVAVEOflS: 93 _Ai

158 GL~bAI. CLI"AICLOGV PRANCH PENCLNIALE fereluet4c3f OF OCC #1606 OF tetime.b VERSUS VISIBILITY usafe7ac FROM P.OUR 1 Y ObSER4ATIONs AIR WEATHER SERYICE/MAC STAT1ON NUPB8817 1S7F7 S741ICN4 NAME: NIAGARA FALLS 380 NY PEPICO CF RECORD:?8-67 MONTI1-: JAN I-OURSILSTP: CEIL1P.G, VISIFILITY IN STATUTE MILES II I01 GE GE of GE LE G E G E GE GE GL. GE G E GE GE G E FET 1 1" 6 S ,' /4 1 3/4 5/6 112 S/16 1/ IL ;-0 CL I : Z S S GE 2(XUP0 2, C '.1 25-F k S.8 L.E 18'GC z 23.? uc ! b U C 26.3 j C : E 14C ~7.1? GE1~ S S GE irccoo C.4!L In S LE 9rL n. l 7(l n GE bco ?!C !2.? (.E loccl P ' ue b[ O ' , S 34.6 ' GE 5, -LI 2E b GE 4'LC 3 C. 4? ? ' Is I5q q GE 4 r00 I In G.E ' %.41 f * E 3 00I C S LE 20071! U C ) 58.0 *GE S j P GE IFL31 44.r C n.? t,.% 70.4 ut a :8 71.:0 7!:.4 75.: ' :2 77~ G re 1720 C R t t (' 1020 I 4S. ' l is4.4 '9.1 b6.0 P S R UE 1;0 4'nlo A * G E s S z 44.0 M * E 7 L F q tic AUc i t b T ] 95.4 SLOI g T: ;2:.7 a : I 95.:3 96: * E 41 C ~ : LI~E l10 I 4 4*? % F s !iE 7 c P Z )3.7I be 10 Go45".5 S ' ,1.4 ' ,E f, C P1 p )S* i A14 UHRE9 OF OPLER VAEIONS: q31' - A

159 pt GLOLAL CLIMATOLOGY BRANCH usarlt AC PENCLNIA. FPE(UENCY OF OCCUPPENCE OF CEILING VERSUS VISIBILITY FROM FOUPLY 06SLPVATIONS AIR I.LaT [R SERVICE/PAC ;!STATION tnumper STATION NAME. NIAGAnAJ FALLS TAP NY PERI0OD OF RLCORO: MONT.: ja N IOURs(LSTI: C[XL~r G ISIPILIT9 IN STATUTE MILES, IN G U GE G[ f. F UE GE G L G r GE GE G E GE GE GE GE GE ' FLLT Z 1 1/ / /16 1/4 0 ;.0 CEIL I 19.P ! AE 3tt03 2i.r z 24.2? E 18r r l , be 16rfnl p Gt 14-Cnl i1.( '.I r GE ! b , oe I floi GE 9rci 2 2.' ) 2q GE arcr, 21, a te 7UC L E 63;i ! u, 5-Ccc 30.f.! , LE 4' LI 3!. 3! ! ! (,E 4rC 1C 35.2! C (,C 3.Gf: S S S5S 45.5 s.5 (,E 3rP 41.' SL.S 50.A E E 2' 1:3 4!. 937 b q IC, C.3 6E 2t, (: E IE I CC 5,.7 f3.a & 77.; I- 1L t S b IE I 'L" U P P UE lf O] A LE 00 I 5. P C f 82.6 e d7.3 A R8.b E Icn 56.7 (9.C PC L b n G' 7c f.3 ( P C l, E 6.,I 5, A 8C ' be 33I 56.1 ( , F * S LE 4UA c.8 P5.2 a U Gt!il1, P0. 2 R b.9 97.% (,E 'L! ci f. i, It., h ,o GE L 1 S O ?b L E ')I tf.' I 8.9 P f qb.c Q TOTAL 5M18L? OF OLSERVATINS: 931; il,,, "''

160 CLOCAL LSAF ET ac CLIMATOLOGY ORANC' PEKCENTAGE FREQUENCY FROM OF OCC1IROE&CE lfourly O6SERVATIONS;:': of CEILING YERtUS VISIBILITY ST7ION NUPPER: STATION NAME: NIAGARA FALLS lap PY PEPIOD OF RECORD: MONTH: JAN HOURSILSTI: LE ILI'4G VISIVILITI IN STATUTF FILES 1 N ft CL GE GE ce GE be GE GE GE GE GE GE GE GE FEEI I I r 6 5 9? /9 1 3/4 5/8 1/2 5/lb 1/ CE L IT.9 1P, UE. OcOI n U E 18CDO 17.! r.2 Z D GE 162fl C C U.E 147GOI C C "E IZ2COI ue :or2cl E Sr G E 8rLl ,; UE 7-C)I f.9a.s *E 6rG z L.E SOUG z;.9 3.1L ! S 32.C ! E 952CC 2q.2! h % S S E 4luoJ 31." ' e !8.5 3q, E 3S ! ,t sroo 3qt , S n G.9 GE 2 CC r GE 2' l1 49., A S "E IP.0 5I q '.? GE IrLoI S C te t.3 60, GE 54UI0.6,88.2C h C b (' :,lr I El F86.b a Z SE L L OI , bq P EA 7CoI s.1 C b 80.2 F9.3 PC.7 b ;,r fe t,!l. 1 f f, " s E to ? L 10.9 q S " u E CC c L " s.9 9C 'UGI V0.9 R ' LE :0Gl S... I f ms ? ,E lil ',I.s v h; s 99.7 E -l P L 9i. 7 9? TOTAL NhUHFEq OF 0"SCRVATIONS: qo '5L

161 LOAL CLIOMAGLOG PRANCH PEi-CENIAG[ FFEQUENCY OF OCCUPPENCE OF CEILING veksus VISIBILITY usarliac FROM OU9LV 5R E VATTONS AIR liatief SERVICEMAC. 5TATION NUM3EP: STATON NAME: NIAGARA FALLS IAP NV PEPIOO OF RECOPO: MONTH: JAN HOURSILSII: ALL CEILING VISIPILITY IN STATLT MILES FEL I GE I.E GE GE GE CE GE GE GE 6E GE GE GE GE GE GE 1n / / /2 5/16 1/4 0 NO CE L I 7.n C C C.8 2r U GE zcrcrii lp.7 71., ;2, ,? LE I ac 0o 1qA , F ,9 2Z CE I6rcl 1q.1 21, Z9 23., ? ,3 i UE 14CCC Z Z3, 4 23,S 23.5 Z UE 121 r, 6 73, " U E IGC CU I., , k , GE 9'C C S,F SICCI R LE 7"ZO 24. f! 7:3 2 a 0 28,q. 2fi,:9 29:C 29:C 2 9: :1 29: :2 2 9: ' GE 3rCl 4, s L.E 5CLOI C , C ,E 2' COI E I9I 29.7!4.3 35' b GE 31'CC ! E 3tooL 39. ( e LGE 2' ;J.7.,C s * *E 2 C b (EE Ln 47.9 '2.3 61, , C I.E ? E 12V I7.r.. (1 6S.4 7C a4.3 I.co6 1. 4L b., 6 7.U e P GE 9L V , 77 8f. 7.2 e e,3 6 q o * E - D &Z,4 8S P M " (r C 62.4 bp.! , b go.,! bE h. U 41.0, A P , E -[ L:; 1, 4911 fib 64., 74.S tl, P LE %L F R i n., , b : S 97.7 E.!L r, P3. 4 J' ' ~ o.. 97.v GE Z V!1 41.( ( n.6 s i GE IGI 0.r t2.7 6A,! 74.8 FiP FS S te o -. r (2.7 6P a1.6 F, ( TOTL hum [t! Of Oi:rRVir]OJ5: 7440 %L..-4

162 btl'ual CLIrAtOLOGV BRANC- PNCEtNTAGL f1eil[ency OF OCCU~RPEPEE OF CrILING FRSUS VISIBILITY USAFETAC FROM FOUPLY 0 SEPVAtONS. AIR,EAIHE SFRVICCIIAC '?TA31CO NUV'ER: ATION NAME[: 1ALARA FALLS IAW NV9 pep1oo OF QECORD: MONTf-: FEB FOURSILSTI: CE IL IG ,LTY IN 5NTATl6 MILES i. IN GE 6[ E E GE GE LE ElE re GL GE GE GE GE GE GE GE FEET 1' /4 1 3/4 5/8 112 r116 1/4 0 NO CEIL ! 1G g r E) t. GE Z lbcci LLC C 0.9,9 3,. 32.0! !3.o C 3!.7 33.T 53,e !9.0?4.0 E GbE C I! 14 1 ol 32:2 32: 3! ? 33 34: ie 143'0( ,L0 2? D. ' !5.6 3, ! (.E I.E 930[ VC1 i '.9 35., ?L6 ' , : S E 1.E 7 CL01 LOI !7.C! ).5 8C Q.S 4n G (,E 6cZ') 3Z.6? C. d Q.8 l E 5' Or, 33.9?9.1 4r Z I.! " E 4CO ! Z F R I,.L0J 3qo s FO.2 5 % ,E I S5. c C 5;.O QE 30C , (,E[ 2 L I 88.P! d E i i n F be 11,toJ I 1'LIJ E P E u 76.b eo.1 P e P.8 a * 9C E IE A1 C C " ,E 7cc " E ,C C GE (col e LE 'C " ) ' ur UC13 S7.V ! a Zq f.e '1 57. r ' GE 112c3 57.C al.6 84., q fie 10' : e1.6 e4.8 8P '.9 9F I. 3'I e,8. 4. A L % TOTAL NUM6" Of OSERVATONS: 96 kl I. 7 *

163 ELCBAL CLI810LCGV BRANC- USAFETAC AIR 4FATHFR S[RVICE/MAL PERCENTAGE FREGLENCY OF OCCLRENLL OF CEILING VFRSLS VISILILI1Y FROM FOUPLV OdSERVAITONS STATICN NUM4LR: STATION NAME: N185R8 FjLL5 TAP NY PLPIOO OF PLCORO: HONF-: FES PI OURSILSTI: 03CO-IS0 CEILI'J6 VISIFILIT9 IN STATUTr MILES IN I,E GF G GF GE (11 r1 GF GE GE GE GE GE GE GE GE FEET I IC / I 'll 518 1/2 ' ?1o CL 1 25.' 2G.4 29.U q UE 20020C 27.3 'u ! n ' E 18C ' GE 16r CC ?I ! E 14r l I 27.9 Z ! E L b ? E I cr J z9.1 ' ! ! E 9Cr ' CE arccl 32.7! ! ! LX 7"00 1! ". 4 3P CE 6C00 33.s C. L 4C.2 Nl.? N O.Z E 5'cc : (IF GE ? P CE 3rI2 4.F ' ; GE 3flI ' ,2 S be 2SX 44.7 ' CE '-ZC I SZ.7 J ' E I (,E Ircc ' F. I a c be 120' U ';E i:cr 5b. 7: n RA % CE qc P8.4 8A C 6r U A9.5 d G.1 GE 7c17 54.F G P4.6 d QC i GE CCGI s e ! U rc : 55.P CE 4CC I.5.Z i ' t:, '%0 5. P L ' C ? GE :n *'S h 3.t P.1 o *, CF C U e,. I d be ' ; , ' IOT1L KUMUEQ OF OqS'NVATIONS: 96 L

164 -u -- GLUIAL CLIMAIOLOGY BRANC PEkCENTAGE FHEGULNCY Of OCCURPENCE of CrILING VERSUS VISIBILITY USAF ti A C rwot4 HOURLY OBSERVATIONS AlR.EATHER SERVICEIMAC STATION NUMILP: 1iS287 S8T11Ch NAME: NIALARA FALLS ZAP Ny PE"100 OF RECORD: MONTH: FEB HOURSILSIT: CEILIIG V91U6ILY13 IN STATUTE ROLES IN I ', L. 00 GE GE GC GE Gf GL GE re GE GE G GE GE FLIT / /2 1 1/4 1 1,4 5/8 112 /16 1/ 0 NO CMi. I!.8 p ,8 Z C t ZL.LC ' Z5.8 "t.c b E 1rCUI 2%, l , 1&!(u I Z C , S 26.5 GE 1 co1 2:. I , t.7 7.U 27.c 27.c Z, IZVCC b k Z.c R ,E r CL r To IE 9,L 2 1.t L ' c.9 I.E.,' E 7CCI !! C F 6t C 26.8! S5.1 Is % S St L6 -.6! ' S N E 801 3:-. ' U ,.E 4'3 Z 30J fa IE 38.? r q S E 3rUrI ! P8. a F,.,2 oi 19.e t b ,E ;I Q r C [ 11 'r I %?.c!b.c 62.3 C r. b 7Z s E 150I G : c 8.j P *(E 1.LL)I 4(.S N. P r I-'tI 87.r (3.9 6q Ac P F rlli A7.8 8P It 2 ~ 7.! ( C '1.5 US-' 2 7. I ti 4.'aF G.1 7O 17l 87.0 A F n., o L L "! ' V E 87.! C ,, A I GE 8.1j h P ' 90; " Gi :00 C 87. (4.7? 1.Z c ' (F '2c f P q 91.P 9!.5 95, b S E ( ; " L 93.7 C , E I 8'. 3 "' i.3 o C 9! C TOTAL P.LPt FP (IF OPS[RVATIONS: 946 n... L

165 tf 6L0"AL CLIMAICLOGY PRANCH usafltac AlR 6EAT1Fp S(RVI1C/MAC PEKCE'41 GE FPEGULNLY Of OCCURD~t.CF Of CEILING vfrsus VISIelLITY FkOM HOURLY CO8LRVA8TON0 TA5T70N N8 Pn'R: S1ATIC NAME : NIA6ARA FALLS IAP NY PER10 OF RECORD: M21NTF : FES I'OURSILSTI: 09U0-110C LE ILIO.'b VISIRILIIY IN S1AUTE PILES I C. i GE GE_ Ut GE ut GE 6. GE GE r,( GE GE GE GE 61 F LE 1 i 6 t, 1 2 1/ / S/8 112 W/ c NO CEL I 10.? U?s5. 2s.. 7! C 26.c LE ,.7 2: U.0 3C.0 3U.0 E 18CL C G.6 3n.? LE Ibi-L L.0 3n.3 30.! ? ae 114 ' I 21.2 ' D.7 3v r ;, 12'!.01 Z' ! W LE 20r7O ?.? p , 8rL.l 23.q ' Y S S LE 8LG I 75.2! ( q '6.e C 37. u 'I 2.q '3.f '6.b b * t, 6F r q UF tr ! r , , 7 4' c' C i.8! C LE 14CCI 29.A ' R L' 3'! ([8 51.r C r 1'-CI!2.? S C b6, S ue ICC 4.,! E6.c U.5 S w Z6:Zci 3' , C d r UE J nl g! U.7 71.C ue ' CC 3q.! '3.7 6, ? F, ,E IC R.R , P1.14 q;.s ut "CG I 34.9 '4, f bc t s.,2 8'.5 P A UE ; 1! d4.3 ' T FC ' ( , " [ S d 7.' FA1 (C31 3q.2 ",s ( u E 'I pl b9.! ' * 11 :0!71.? !.o 7cL. I C q9. c 90.5 q , 3 ca 4q.2 s5.1 t.! U 2.3 P q C ,F 'DOC 3'.2 ' C '2.3 86,P UE 2 LC 3Q O.U , Q4.c b E S9.2 ' r c %U7148t OF 0 S711NS 8146

166 F GL00AL CLI84ICLOGY BRANCH PERCENTAGV FREQUENCY OF OCCUPDE'CL OF CEILING WrRSUS VISIBILITY isaeri A FROM I-OURLY 0 t SERVATTCNS Al, keathf SFRVIE/PAC,IAT CN 4eUP'.LR- 7'.S2b7 S&IACN HAVE: WIALARA FALLS I bpmy PEIO D OF RECORD: m0fl.n: FEP POUPSILSTI: NILN I VISIPILIT IN STATUTE MILES I N :,E GE GE Gr GE IE GL GE GE GE GE GE GE GE GE GE rlet 1 6 S I 1l,l2b /4 SIB NO CEIL I 7.r ZS.2 zs E L:(.GC :9.6 3O.4 '1.a 31.3! E lif Cf I, ! ! ! LE 16 0C I Z' ! :F Irc 2 t C ,S ,E 12! LC1 2.' ' LX ItE 7." LI 530:o 29.4 ' : c. 8 C 2.1! C E 7 0, 3cc! ' , GE fcc r!1. 3! C C GE Sr Col b 4, F *&r 4'uI1 s. 4J ? U S,7 4S ue 4r0C 34.f *E 3rrr t tj t0.9 S GE 3!rZ U 36.A c % GE 2'"C 3'.: 53.a c ue aco t E I'rco 1'. I - S C , E I1%' , Q i R GE 1 46.S t 44.3 a R ' E IC(c , r1.3 b c d ' GE elci 45.? f ' E 1Lbl 45.7 C3.Z ^ " GE 7;:f 4%.7 F c.7 P q P.4 89.S E (t0i 4S , 5u$0j '4.3.i?. 93.c i S.6 Gr C'I 41.t 63.: , E ',1 4 '. S ' ".L GE :r1 4S s V 4, S ' *. LE ICC hi,7 '5, L f, b '.' I I! ,8 ' TOIL NthPLFEa Cr O1SEVAIIONS: 46 L" a.

167 GLOPIAL CLTPRTOLOGY PR8'JCH PE(hENIAG FREQUENCY OF GCCURDENCE OF CEILING VERSUS VISIBILITY USAFETAC FROM OURLY ODSERVAIIONS AIR braier SFRRVICE/IAC STATION NUP1ER: 7 S5A87 ATAIION NAME: NIAGARA FALLS IAP t:' PER100 OF RECOPO: MONTF: FEB IOURO 5 LST: "...;... CE ILIG IN STATUTE MILES IN I rl GE GO GE GE be GE GE GE GE GE GE SE GE GE GE FEET I 1' /2 2 i / /16 t", 0 NO CEIL S , ' , GE 18"0f LE G6=LCI 25.S ! GE 14-Lu! 26.5! , ! ,E I ZC; ?2.4 3? n E lor'ch] GE 9rCCI 27.9? C ' GE 8C 0I 31.f , q c.r 7rool 31.-! U 4C L O GE b CO 32.6! C "E E v!.!?.q 4G SF 4rlC C 4.( E c ',.S U.8.E 3-C1 3.F ! LE 310l 42.1 ' S U S9.S S 59.5$9.. GE Zf L I q.2! t p s 66.5 te 2rc:I 4.8 E C E 1 Li C C 7P s 5 IrCC0 sc.p A 6.C S.7 PI.c 62.:' P GE l7l7i U T ,r 0 1r E ' GE qc: d8.8 R9.6 9n G.8 t..5 F01I T.C R SI f 7.C R q GE 62' L c '2.4 9! ,,E 'Cr be.? ' b GE 4on Rt , q LE ' R.6 Q GE 2 cl b L E I c I.? R2.7 F6. 4 b L CE ol ' P C a IO1L NUMO[P OF ooervaj1opis: 846 c.a

168 6LOto 8 L CLI11TCLOGY B48IJCO LS FtIAC AIR 6EAT1ER SERVICIPIAC PEWCLNIAGE FREQUENCY Of GCCllRQENCF OF CFILING 87RSUS VISIBILITY FROM HOURLY 085ERVATONS 6TATIC% NU8I'R: S11 IC14 tame: %16AfAA FALLS 1AP Sy PEPOD OF RLCORD: MONTH: FEB HOURS#LSTI: CE IL, V91516I111T IN Slluir MILES I, I r GI GE G GE 6E GE GE GE CfE GE GE GE 5E GE fe FEET I 1r 6 5 ' /2 1 1/4 1 7/4 5/ /4 0 NO CEIL ' ' *5 2C"uC j 35.r F (IE I8rso 25.? '4., c b ! E L 'C s.e !.c b 35.6 ' GE 14f-C i Y SF 12cc 31.3! S C uf igccdo 33.r Pi.1 4C.1 4C.7 43.q E 9r.Ol 33.f P Uf 81-5 C s GE 72Cr ; r~6rce t * u E ti c ci!q E A ilf 4SC;5 I 41.f ti.p r 52. C 32.u CX 4 CI 4?.t p L.2 S ! S ,E 3 0 il b S. 3 5g i., 37LCI ( !. n bite (,E ( ".C LE 2.ib1 S b.4 77.r , UE 1PL i ' IrCC ) I q R3.8 E 12d31 57.r 72.L ( GE 1.i:r I 57.P F o E ';LC ?.7 76,. PC P ,3. 7.b a t,2 P.b ,E PC2 S7.6 7Z C.7 b3.2.5.b e v9.7 9'.4 9fl* ql.u E 7( ,b b ( I GE 65L1I L P E "cc S7.P 73.c 77.3 R2. u e V p 9' Z ue a 'L;j L) E '34.C, 94.o ;,f 3 Lr 57?. ' p.3 91., ' GE? Z.3 o5.0 ^M.3.I.C b.- q m.3 Q E 5LO R2.3 hs.' 1-.3 I ? 6.U q7.0 ; L tge j s 7.8 P 3.e S.U w '3 91.' TOTAL hlwmp1p OF O'SrRVATION5: 946 I S_~

169 F,LuOAE CLIVA3OLOGY 9RINCH PERCE'4TAGE FRELUENCY OF OCCURRENCE OF cilin G VERSUS VISIBILITY USAFETAC F00 FOURLY OBSERVATIONS AIR w[atplt 5FRVICE/9MC - STATION NIIh3EG: STATION NAME: NIGARA FALLS IAP NY PEnIOo Or RLCORO: MCNTH: FEB HOURSILSTI: o0 CEILINGs v ISIr1LIT IN STATUTE MILES I I GE GE GE GE G. GE GE GE GE GE re GE GE GE CE GE FEET I ir C /4 1 7/ /2 5/16 1U4 0 %0 CEIL I 29. P ' , ' GE ! SE 1 2SC Z6.C ' UE ,7 ' U 33.p GE 14C25l 26.e! , * x2 I 2'.!! 't , (,E I ccuo e.e GE 9rC ' C r SE 81co1 32.9! ;E 7'.C0 13.3!9.6 4C.9 42.J A. ui'0 3'.f E ' q GE 4'-(I S1.R "I W"2!1 43.F C , GE 37'.'i 43. n E GE 30 c 1 4.s ' C GE 2'L1 8'.C F, S :7 5t.7 ' b I 1.j!4.5 ( L ) E CC 1 5.?" 7t: Ft q4.c E IZL C ! , r O I t E b o 90.0 GE ,S AG E ' "E ).5 64.f, " J., UL 7C !.5 77.j pt SbE I co C t ' *GE "' s ' GE 4 z I E6.' q ie 0I1L. '! F , ,r. Mp 5.S ' P ' GE 1L2 I --.- ' (,E 58.! F lotal NUMPEr OF C'SERVATIONS: 846 ~L 4

170 - - GLOBAL CLIPATCLOGV erancf LSAFEIAC AIR WEATHRC SERVICEIMAC PERCENTAG[ FRLCLEjCY OF OCCUHVAENCE OF CFILING VFRSUS VlSIelLITY FROM FIOULY OUSRVATONS STATION NUMEEP: 7i5287 STATIC% NAME: NIA6AR FALLS TAP NY PERIOD Of RECOPO: MONTI : FEB FOURS LSTI: ALL CE ILOIN VISIp1LITY It. STATUTE POILES 1! I GL UE GE GE GE GE re GE GE 6E GE GE GE GE GE GE FELT I C 6 5 '4 2 Z/ /2 1 1/4 1 J/4 5/8 1/2 5/16 1/ NrO CEIL I 23.C R.3 2b R L.E Jj~trI ! ) ue 18CC0 2S.4 '9.7 3g ! be I6 6c I5.s C E 14f'01 25.' c (,E ' C ie 1ar3oI b , ,[ S ,9 3? U L.E 8' C1 3 C. ' Y q , b60 32, i.q , r 4G be 6-00I U C c E S'C3 I! c , CO 8.0I LE 8q'32I 36.8 ' Q.9 50.o '1.0 R0.0 SC.1 Io -I 3 S 5, o be , S9.l b S i.e 2!, e.b b S , 2-L0Z 60.6 b q. 67.S r be ISL I 48 6l C b ;,F 1%.0 I.? ( F I, 170nI , O E 10o P GE IL ' s q sq." UE,nI, L b 86.5 Be c ,E 7C P I(; C 0c C.6 91.b b GE rl W #.5!,E 4 :Z I 's. 3 eq V E 3c r S q.3 95.b (,E 'CC I S c i ' ! Sb 1CoJ o Ps s.1 9A, be C o ! TOTAL NJMSOZ OF onservatioj-": 87b ~ ~.*.A

171 LLOAL CLIMATOLOGY PNANC1- PENCENTAGE FFE(UE.C OF OCCt'RENCE OF CEILING VERSUS VISIEILTY USAFEIAC FROM IOUPLY OdSERVAIIONs A I? WrATER SfRVl(7[I AC STATION NUMnL: 7.A287 STAIIN 4NAHE: NIAGARA FALLS IAP NY PELIO OF RLCORD: MONTH: MAP HOURSfLSTJ: 00OO VISIBILITY IN STAIUTE MILLS II. I CE 3E GE 6E GE G GL GEG O GE G GE GE GE 1El I4 5 ' t 1 1/4. 1,4' /16 1/' CEL I 36..6!9.6 ' C '1.5 ' '1.5 ' ' '1.6,f' 2L O0 3P. i '1.5.0 ' t 42.) '3.5 ' '3.7 '3.7 '3.7 I,.1.3 '.. '2.' '2.5 4E 28.O ' '3.7 '3.7 q3.7 '3.7 4E 16b 1 34.' ' ' C '.. 7 ' ' tie 14 O33 I!P.L: b L C 4'.C 4o.0 '..0 '.0 4'.1 '.'. 1 '' LE 1ZI 01 3q 7.3-j ' '.3.4 ' '.5.' '.5.' 4. '5.'. 5.5 ' s.5 (,E I 1 ( 3r0 I ,9 45. ' '.6. '.6.3 ' '6.3 '6.5 '6.5 '.6.5 '6.5 E 9'CO ' '114.3 '4.9 '5.53 ' 1.' S.9 ' '.6.7 '.6. 7 '6.8 '6.8 '6.8 '.6.8 I.E 8L ' ' '7.3 '.7. '7.6 ' '8.7 '.87 ' ' be 7r'Co1 a2. '.% '. 7.7 '.7.8 '..1 8.'. '9.1 ' '.9. '9.1 '9.2 '9,2 '9.2 ' '4.8 '..2 '9.0 '..' 1. ' SO.8 5r.pi C.E 51'!o AN S '..'. 5'.'. S'.' 5'6.' 5'.' 5'.5 S4'. 5 s'. S4..5 UE '.%C 4.2 'S SR.' b8.'. 58.' 5A.'. 58.' s. 58.5,E '.'OOI 5C.5 8.' C c ~.4 61.C '.0 ('4.2 b4.5 6S.' ? e.7 6S UE 3r Lo 5%., S CE.' 6' ,E C L S7.,7 C ,.2 74., , , LE -CC7 62.F b :,E IF.c c c L '. 87.'. 82.' 82.5 ' S 82.5 (,E ISL I '. A1U '.3 ' b ue 1:I. 1 I 1.F ' P7.o ' ,E ILLOI E P'. P q8.7 8q ' E 9L7 'J 1.,2 '7.' A'.8 '.,C 6s.8 R '. 89.' 89.' 89.'. 6.E '331? ' 84.S 66.'. " ' ' '. lie 7:1 b.4 78.' '2.' '..b '01 62.' , 85.5 f(r,.0 C , ? L J C62.' t ' '1.' S 9'. 5 I.E 4,j 62.'q b9.1 qo '.5 9' I '11 L.E 4. 78, ' '11.1 9! ' t ' "1.1 I ' b se 10I 57.q b.6 89.' ! u 99.' 99.7 i.e 1; ( F ! ' TOTAL %t.1pe r OF 07'Fr8vA7IOS: 030 L.

172 UGCLAL CLIMATOLOGY BRAN4CO. PEkCENIAGE FREGUENCY OF ucc1j33'ence OF CfILING vrrsus VISIBILITY usafeiac FRnM 9OUPLY OdSERVATTONS All? WEATKER SERVICEIMAC 1STA110 NUP7EP: 7212d7 STATION NAME: NIAGARA CALLS IAP NY PEolOO OF RECORD: MONTH: PAR HOURSILS;3: CE ItI. G VISIRILIT, IN SlATUYT MILES IN i 06 GE GE (E GL GE re GE GE GE CL GL GE GE GE GE FELT I 1r b / /8 1/2 9/16 1/4 C NO CEIL I 3L.P ' C. C E zccro i ut 18'L i 7. 7Y ? m WC 16cll Z ue 4CCo % A E 1 2c O , %.5 44.S GE 1CoI S S (E 90UI ' S.7 14S s.7 ue bc C E 7rCC b ,7 4 9 tcoi l S ".1 5O E G. r S G S E 45."2 49.v S E 4LLC1 Sr Sb S 6'.6 b1.c E 7 C7I 51.P U b4.? GE TrLCI 5! b q L E 2 El P t T be 2rLi3 Sc O PQ fe 1 -CC C u. i b1.5 ' R ,.E ILO1 60.q E3.a 84.3 S I5.7 as E 1'J S S4.3 Z5.2 b A?.% *;E t.c 87.4 Pa.3 dh.6 A8.7 8' P *ce 9L:' 61.' r R9.2 8I E f ? G * I.E 7"' 6A i.0 L I:E d F n F L 61.7 ' c.1 91.q q ,E or 0 (, j S.7 9L , % S 9S.S 95.6 (E 'or, : 9.2 *6.U 49.8 nc ( (I 2.'! z L ?.S 916 LE Tool I et. 9c.8 9? I'L 01 ( F6.U q.p ;, o IOTAL NLME or O 1SERVATIO5: 0r %L

173 6LObAL CLIMAIOLOGY BRANCH USA# ET AC AIR wlather SERV1CE/mC PERCENTAF FREQUENCY OF OCCURDENCE OF ceiling VFRSUS VISIFILITY raom HOUQLY ObSkRVATIONS 51AIION N'MELR: STATION NAME: NIAGAR4 FALLS IAP Ny PEPIOD OF RECOPD: MONTF: MAP 6ORSILSI CE IL I36 VISIBILITY IN SIAIUTE MILES 11. CE GE GE CC GE E GE G GE GE CE GE GE GE GE GE FEET IC z 1/ /2 1 1/4 1 /4 5/8 1/2 9/16 1/4 0 NO CElL I 26.2 T2.L ! S S.%.E ZCL3 I 2P.0! '8.0 3P E 1806 I?.* 0 ' U LE 16.CCl 22.8! C Gr 14'00Il 2q ! j Y8.2 3A? ue 12 G :IE ICr 31.6! S JE 9 o003 3:.C c ! V. 8rpi '3.9 ' S LE 7oCC I S 4S r03 3s c GE St0 3 S b GE 9t S , *( , i S e GE 3'71C S , *. 3COC bs C Z'CC 1 46., 6.7 bo be R C U *E IF L2 I 49.5 b.8 64.b C r.% R (,E 11c I. 9C P4,1 84. qs P ,. 17f So.s PI. 84.c q6.5 8e ,4 6E It1 [I A ,A PJ M E L. I n q GE FCCI 5-.6 ( % (,E G. 6f.1 6P FI.1? *9.C ' GE ( C~I06t q U GE r f pt c % S ,E.0 6I i.c, I.E 'l I Sq S.9 62.r ' E.C q E C!C 1 *5.6 C a?.r. t e p I L-1 5,t t ; q GE I 5', GG6 8.7 p 9q2. 93.? 9S CO.0... IOTAL NUMPFV OF O.SFRVATIO%.:

174 LLPHAL CLINAICLOGY BRANCH P3NCENIAGE FfEQUEJCY OF OCCIJBnEPCE OF CEILING VFRSUS VISI8LLITY USAFITAC FROM VOUILY ObSERVA9 IONS AIR 6.ATIHEp ERVICLMAC STATON NUVR[R: STOTIN NAME: NIAGARA FALLS IAP 14V PEIOD OF RECORO: "ONTOT,: MAR HOURSILSTD: CE IL If9. VISI ILITT ZN STATUTE MILES Iu GL GE GE GE GE GE GE GL GE GL fl GE GE GE GE GE FEET IC 6 5 4! 2 1/2? 1 112! '/16 11/' 0 NO CEIL I 3l.r!5.b , '.0.0 LE 200CJ1 31.q!8.7 '0.3 ' cb '2.9 'J.L '3.1 '3.1 q.3. ' e E 18C01 34.C.!B.b '0.'. '.. 4Z.2 ' '3.2 '3.2 4'. 3 '.3.3 '13.3 ' ,E !8.s '2.2 '2.1 ' '13.2 '43.3 ' '.3.'. 1 It 3.is. *- 1E.'1lflI 34.3 '9: d ' '3.7 %,.. ' ' ' r'001 Z '. 3.3 '. 4, 4..9 '.5.1 ' '..3 '5.3 '5.3 5.'. '.5.'. 4S..4. LE 10 i 36.t '1.6 '3.2 '.2.,9 'S. '5.8 '5.9 '.6.0 4(.o '6.1 '6.1 '6.1 '6.2 '6.2 '.6.2 (E 5r LEI 1!6. 1 '1.8 '.3.'. ' ,7 '6.l 'b. '.6.2 '6.2 '6.3 '6. 3 '6.3 '.6. '.6.5 '6.5 i,, 8r CC1 3.? '6.8 '7.3 ' '7.8 '7.8 '.. '.8.0 '8.0 '.8.1 ' G1?9.!.5.1 '7.1 '8.3 V) -,0 '.9. E '9.9 s3.l 50.1 c0. 1 5,.? UE 6C31 '., '.8.0 '.9.'. $.1 tc 51.6 S S S1.' 51.'. 51.'. uz SrCCa '.. 98.'. 0.C 51.' 52.6 b ' S 3. * ' S3.9 UE 4.%pI 1,.S , 5'.9 S5.6 SS SG.Z , S LE4 C' 1 Z. ' , 4,7 5'.S S5.9 ' ' * 3'Cn" 4., ' *6.6 SR.[ ' S , A 3CC 1 '.S.6 '.6 57.' S '. C 6.2 6'.' 6'.' 6.' 6% '..5 2[ 2ri ' u ' 6e ' (, 2"CCI 5C.1 61.L 65.' '.2 7S.' Il , a (-E C'., l.8 b3. E4. 0. R'.6 8,. I ' o 'IF IZL 52.'. C5.3 7!.1 75.' p 7.C 3.6 S 5.7 C6.6 d7.i ' :.*F Irc C b2.i p P9.L *,E ' 2; 1: b 61. S S 7., ' bf.3 37, f.' qo ;.E 731 S2.1 ( Z; 2.3? , i.3 t % 1' , 82.'. 16. b e '.2. 9A.f '.0 q' r' S2.S* b3.2 4h. L ' 9' LF lo _r S , E,. c.q ' 9% S 96.L '. 97.' i S a 3.' I.3 91,* 3.L S,3.'. 9., '. q ' 1,3 ;C.1 I'* - 61.f '7. 7 6;.'. Fb '.c F.* '. te I03 en,s b3.'. t.3 I1.' C 9'.9 9f.. 97.'. 99, , cs ' '. 44 N. 96.e 97.' TTL '.UMbL9 (F OPrRFV'.TI141 93,- ', e - ' ' ' '' e ' ' e~ee 9 ' 'ee 9,.

175 -u - LOAL CLIMATOLOGY PRANCI. LIS8FETAC AIR w[ati-ek SERVICEIMAC PEICLNTAGE FREQUENCTY OF OCCURRENCE OF CFILING VERSUS VISIBILITY FROM I-CURLY 065ERVATIONS STAT16N NUPE[: STATION NAME: NIAGARA FALLS IAP NY PERIOD OF RECORO: MONTH: MAR HOURSILSI: CEILI!G VISIBILITY IN STATUTE MILES IN I GE Gr GE GE GE LE GE Gr GE (E r GE GE GE GE GE FEET I rp /4 1 3/4 5/8 112 s/lb NO CEIL I :.' , E Z0-nCDI '40.4 '4C.S 1 *1. r) '41.1 4I.1 ' z '41.2 ' ' ie 8rvo3j 3h C l b 41.6 ' l.b,'E 1I 00 I U.b '41.7 ' ' ' ' ,E 14r ') ' '42.6 '42.c 42.6 '42.6 '2.b 42.6 '42.6 ' 'E 12('01 3c ' '44.3 ' '44.3 '4'43 jr 1.rof)I 4,!. F S. ' S.. '45.4 ' ' Lr 901J ' ' ' ,E 47U:L 4Y ' '48.1 '48.2 '4.:2 4.3 '48.3 '48.3 ' ' '8.3,E 701 '5.4 ' '4.0 ' j '9.1 '9.1 '.l '49.1 u.e 6' Z0C ' S ' , 51CZl S i ,E '4. Lr G '4.'4 54.s 514.b %* S4.6 ' E irccl v.' J ss , b1 6E 3.CIC 4'.1 ; '8.7 Sp , *6 3'uci Sz s r 21LI ue 2C0J C O 79: I.E 18-! : ' r 1 coj R I.E 1IEI 6.r ' pb.3 b7.6 8a f u, I.CI as.? ' O.c qo C 9L1 6: C C r ' L.E 'il i GO.4 ' l ;.E 707 z 61.1r a Fe ' R ur c L7I 6c n e t ' t *. III b ' s 96.S 96.7 tx 4 c1 t'.f P C Q LE!7' L, v E j ".9F 94t ' I.E 2C 1 6'.r e7.? 9L, ? I.Q! I30 oc.c (7?6 d $ E r If1C 7,4.6 so.9 p L p othi, hip4m8e OF OSrRVATIONS: 93b..,,..,_... a - llil $ 4'

176 GL!!AL CLIP41OLOGY :!Rhfacp tsfetac AIR E8-CR SERVICEIMAC PEhCE47AGE FCELUENCY OF OCCIIRPENCE OF CEILING VERSUS VISIBILITY FROM HOUR Lv (ISEPIATIONS STAlION NUrirP: 7?5287 STATICN NAME. NIAGARL FALLS IAP MY PERIOD OF RECORD: 78-8? MONTH: MAR HOUPSILSTI: 150n-1700 LEIL1IkG VISIRILITY IN STATUTE MILES IN I GE GE cc GE GE GE CE GE GE GE GE GE GE GE GE GE FEET / / /2 '/16 1j9 0 NO CEIL I '2.6 ' S ue,oc? a : C :: 11: : o1 :4 1: : 10.: LE 1BJII l 37.!!9.S c b GE 16'U ! q 1.C C ;ie 14Lc'i PC ' #A 1".6 4E 12rcO q1.8 14z S GE I UncI j4.9 F a R GE 9 cc I (,E B-CCI P., c 4S A L.E 7CLIl A 'I f G ! S0.! SU Sc. 3 S ; E SC0'l 46.S U 0.7 Si.b 5.8 S1. c LE 4! 4g S S7.' $7.9 ';7., C.0 ' S E 3r L F , ut 4 nc: J ss.t A f LE 2!C I (,E 2, kr I t.b o7.3 P3., 83.p P P p3.9 *E ICP P , 1"cr U 79.6 ' b Fa.r G *! lf I ar c C.U q.? V CIGE it co ! Z GE ; G(o q LE.of,1 62.f As ,3 93.S IE 7LPI 62.1, b.b S.3 0S S.3 4E ri ( 2.t k s.b il S 0I E. * PS 'i U IFr 4C(' I ' I.E!r '7.L 81.9 b.0 9G of).l UE 7Lr P h S GE I.I I C ,p Q.f S i. ' o , (' % IOCO L NUMPI q OF CSEP TO JS: 9 U3.

177 LQ AL CLIMATOLOGY BR dch PEHCENTAGE FRLCUNc OF OCCUROENCE O F CFILING VERSUS VISIBILI., IJsFETAC FROM -OUOL ObSLRVATTONS AIR W8EAT-ER SERVICEIMAC STAION NLIM4P: 7'5287 STAIICN NME: NAGAA FALLS 1JP 6 PEp'O00 OF RLCORO: ',NTH MAP8 HOUR ILSTI: oQr 1E111.~b VISIPILITS IN MILES w IN I GE GE GE GE GE GE GE GE GE GE 6L GE GE GE GE G E FEET i I e /2 21 1/2 1 1/4 1 4/ 5/8 112 ri16 1/4 0 Nfl CEIL I! S S 34.5 ue rc! !9.t 4C ? (,E 180C 36.P C.b (,E 16-Co f "1.6 i.e 11UC I C 4z ' I.E 122'gjtI b4~ 42.S b ' E ! 44.S S S S.7 4S.? S A. 9c ugi 4C b U.E E FT 7.CI ? L " !r. hcci 43.p 48., U ! s0.3 sn S S.3 If 5t'JC0 4-.! '13.C R 94.e 54.8 S R S4.8.E 4 L C r S 54, (.E 4C'OI S' f).b ?.S b' A.E 3'1C , q 67.4 i,,p ors 6." C LU 2-1 Eq P P.2 70.? UEZ 212 C e t P E 2A.o I b51 A A5.4 ar.i "r I-.,C 64.V as Li 1,CC s b ir 1.0I L ,.6 ps.1 -E j q1 ' : s1 m4.6 9C.S ? ? , 1C C ;.q " ! o4, ,.2.7?;;C 64.7 P E b V LE to A z c.2 I5.4a 96.C ~ L, rf ! ] 3.c r a P "! b Q7 'CCI 64.? E !,I L ) S C 21.1 to.7 R ' ( A P )q IOO G OTAL N-MPLP Of O!'StVA8ICkS: 93c I 4 _"

178 GLOBAL CLI"AIOLOGv BRAN0C8 PERCENTAGE FREQUEJNCY OF OCCLHENCE OF CELOING VERSU5 VISIPILITY.SAFLIAC FRO 5-06QLY OESERVAlUNS0 A2R 1FAIHEI S[RVIC[IMAC STATIO7 1 NUIn[P: ST1IC NAME: %IAGANA FALLS IAP Ny PL'IO0 OF RECOPO: ONT: MAP OUR(1571: L(.L1.19 VISIPILITV IN STATUTr MILCS I 24 L GE re GE GL GE GL G GE GE GE 6 G GE GE 66E FEET I Ir i/ I 3/4 5/8 112 '/26 1/4 0 :,0 CEIL L s 37.8 '8.c !8.4 3" r,.e 2UVU:' C.9 # q 41.1 '.1.8 4? % (,E I of O C , % '$, I 6^L:" *,E 14'OO 37.8 a1.k ?.s 4k LI lrli 3q. II Z ' irc7 3, L E 9!G! ! S.6 14' S.b ie 8'0ZI S C 47.3 t S E 7, 0 I% 3.u 41.T 48.4 b.s 48.b 4b S S rx.1 4 r : b0.6 C SG.6 1,E SLI 4C.e GE I' 0I tn ' C ( S S b I.3 t,[ i:0ix1 &2.S t A 3 0 c 5. L 5.1 6S. 66. I b8.4 6A.4 64 A E J I si f t q q.s t E. 2'l C i IZ L # l9.al -r t,? C P A3.3 8.z P l , * 1'C Z,- (1.6 7.c 6. 8 P, #.4 d p c7 I.ni c.6.p p3.4 8S b7.7 f S8, 88.% A I' LWIt 6.6 h1.3 8.f C A C e 3 92.p '7. 8a9. 9 " ".o n ,[ 9J a 8 I. 2 I.. z.l s L': I7.2 1 " P9. 6 9'1. & 92.L V2 ;.3 92.c (: t.1 ' u 69.0 ', , 93.4 Q3j5' b a 4.6 s s6 q L. # V I&7 4LC1 (7?.2I ' " ;.5 lo6.7i 96.L. vf IF 0C ' , ? 98.2 ur 7 C I L b4b. 7. t % S L I.^I ff.i % v7.7, 1h.1 I ' ,E t 67.1, V Y * VAL KUPt1. OF O'SfRV871041: 930

179 6-L01AL CLIPATOLOGY l'r8idce PEhCENTAGC FFCOUEPJ.8 OF OCCURENCE OF CUIL14G VrRSLS VfISZILITY USAF6,AC FROM HOURLY C85E8V * AIR wfa1h6r SERVI.OE/,AC S7611(6 NUM1i'LR: 7'5?87 SIATICI NAME: NIAGARA FALLS I AP Ny PERIOD OF RECORD: MONHiII MAR HOURSILSTI 1 ALL 14 GL ot G GE 316 6E (It G GF 6L GE 6 E 6 GE GE GE G E FELlI Z & 1 3/4 5/ /4 a CEIL. 1!2.71 '5.t 36.2? r S' I~f'ijcl 36., ' ' s1.7 t !6.1 ' %U , 1(,f cr' (3.21 ' b 91.' t CI Z~ r 92. m ' tr17- Do7 ' j 3.U4-2 4 T.' # (,r I10r'Q'I 3.. A s ' S S.2 (11 q32ct 3q , !; S. 7 4c S GFE b-lc 4 r.~ b l o4:.- 9E F S9.6 4 SO C 10. S $1.1. I S r0.2,.i 1-1/ 9' 5 ' : :1 52.9A ,. 13.;s6 5; " E.,rl '6.U 57w E6 4 C-, 4.3 E5.9 C.1. 5, l ,F 3'.-1I W. 2 b6.9 b '.C S R b! (.1 ~. 3LL 2.6 ( q 65.b ( b Z'6 "L0 5I.# ( ?3. f f , 'C7I S t A a P2I Oi I.E 171, A a K c S 82.5 E2.5 ic I 1l '? 9* ob a6.$ 1'r A ? , 3. 1 Ps F z2 8' s $ i'e 6 Z,7;I t,. r al.7 1 s Q P6. 9 8".2 P ' uf 1 6%C e P ,.3 9r~ ? *,E : I I s,1 9. r * I. 7. I G 86.6 Fi j C z. 7 9' :IF f LI AS.94 i !.b '1 I t b E. A p P G[6 9.P " r a I.E t2 ( s 79.b ,1. C 9!., y G 2C!. 7 7% A q.z, ! ,.- ' S "T 2i I6.,' 4 ' F c ' , 'r I9 I, I'.b A3. g c q 3 3 gel j 97.1I R r.1 PIEI O 1 8vA I130%% 744

180 GL(L At CLIMATOLOGV 661NCH PEkCNTAbr FRGUE NLY OF U CCUROtE 3L OF CFILI NG VF1N31S VIS181LIV LSAFLIAC rpo" HOULY OdStLPVATO65 AIR 3fATFER SERVICE/MAL SY ATIch h1xiope: 7252?6 S T9IICN haa.[; NIAG161 FALLS 1Ap NV P1010O Of Q93oN0: Pnkll-t APRt OURS(LSTI: ,... CE ItI6 1 3SIIILITY 1I -;8u3 STAT 311!t 4 I C G[ GE bf 61 0F G6 E W E Gr G E 03 GE 6 6 GE FEIL I /8 1 31/ 58 1/2 ;fi6 1/4 a... No CEl I m? / 85.a t b CI S % ? h 41.R %1.8 ue *. ' a R ?.p LE I L' COI 4.7 F , ? LE I0 4Cr,~ ? L % ue?2-fl 85.0 %?.8 48.b c % q I Q LI 3IrC3I 86, 'o % " ;1. I S t1 9 tc S ! S1.5 S LE 08'LC : S * L, 1c 0 1 '., c S S6.1 S $,* *. 6-LCI W.8 IS S S b 57.6, S F 5!.CI 57.1 c b 63.U 63.3 t ?.E a5? s 10f.2 C C 68. C e E 6ct2.a, cii ?1. C j LE 3' L '?. 72.L S s.8 7s s.8 tb. 3:0 Ie R c U UE -L" 1 7!. 7 7A P3.9 8! (.C zp..j 13.9 ' ' b6.9 R , , IE F1.I y.? ,? L % m R IF LEllI I'F :.I.6 87.L I , I. LC 78...C ') Q2.1 9'.? 9Z b 1.E 8y3 7a., C.3, 93.6 ; C 93.0 % Li: am8.1 9c.6 9? s 5.% 9!.? ft9.6 9 S E 7 r 1%.! ' q.o S. a. 9' Io OR t ' ;. 9s.5" s6, L 'r i 8.' 1. a. g u.z 92.e 94.( '1.9 5'.9 "G P C 4I 1. 1 ' *b 4* 9.L %2.8q 8.2 is ' u.!.01i % tf ' ?.93 '5.1,6 Q.4 v6.p ,.E 1Ior I 78. '. 89.(, q2. '1.! S a8. 9R.p ,! 99 b ? 99.? 99.9 Li 1* 7e. -. b s9.1 C ' p q OTAL %L0.PL9 P.F UOSE&VAIOIS: 820 L

181 GLCOAL CLIPAICLOGV RRANC4 PEkCENIAG[ FFECUENCY OF OCCIPIIECE OF CrILING VrRSUS VISIBILITY USAF I TAC FRoM HOUQLY CUSLRV'ITONS AIR WEATHER SFRVICE/IAC STATIOh NUPISS: STATION NAPE: NIAGARA FALLS 3AR 67 PEPlOo OF R[CORD: 78-b? (I~t: VI1ILITY INi SIATUlE MILES 8ON71: APR I-OURSILSTI: V. I c3 GE GE GE GE (E GE GE GE GE GE GE GE GE GE GE FEET I 1 1/ 1 1/4 1 1/4 5/8 112 ;/ N0 CElL I 7.' ' q t 2.c cc I!1. p 43.? L S GE !' !.a 4S US.6 4' S.7 $1 E ci ;1 40. C 43.i %5.? ~ %' ? LE 3. I 4 2.' : 45.C % %5.~ 9 '5.9 a S t.e I.' L.6 46.e b a i.e 2cr1)4I 2.9 F * * R.4 4$ P.6 4P.6 %A % LE 4',1 I4% q I.3.z S0.3 SO LC S C.CI f S1.3 5i ,E 7.C I t2.s 57.7 Z.* t 3. C * IE 6' I ' 3.3 5,4.4 S $ ;$ CS.4 S5.4 5S.4 UE S-'ot I S'. 'a C.1 6n.3 f C.7 6r bo Lr 4'LCi, C ( IE %rcl 19.4 A L th. L 6R.? 68. 6] q ;(I 61.4 a J 71.4 ' '.? ' 3Cf' g s.7 7% 'E ? M.9.Z a an M GE 23. ( d OZ : '8. 14.: * :4, GE IF ( ! ce 1' C ,. L I.? M E I.L'1 73.I* 13. [ ' j. I [ IriI 7." r C 0.6 v L LE U 1 72.' ^ 0.*! 85.b A7.3 6.' ;'4, ' LE -,I- 77." ' L0.4 S 'Z.! 9' GE 7L"I 71.1 ' P8.7 9r.1 01.% ! q I.E e 87.! p5. 92.A '.6 y.'" 9 3. ' C * 9% I.E I L 47.2 P ' I 0, '.z %.6 'So6 9S E 'S 8?.t 90. ' I b l I.E - 'r 7. 7 ' G '4L 41 ' I te '5.; Z I,( lc1i 72.7 '5.l 87.4 'u S.1 '7.6 V ^ 9R.4 ' ?.7? b.3 l.4 'G. 1 s2. ' V L IOIAL kt6pfr Of OSIRWAT ON: qu0 U L

182 6LURAL CLIMAIDOG9 f'42nch PLkCtL!1l8bL TREQUEP-CY OF OCCUPPE NCE OF CFILING ErilSUS VISIBILITY USAFETAC FROM4 6 OUPLy ObS(9981?06'. Air SERVICE/IMAC STATION NUP'fLR: 70^5.8S STAY ION NAME11: FALLS I A NY PERIOD Of RELCORD: 7a APR I-OUqS(L9rl: CE ILI -i, VIII1L17Y1 IN STATUTE MILES Il E GE0 GE t07 G, E1 tl G E 05 E L G E re GE I GE GE G E EELT 1 It 3 2 1/Z /4 1 it4 5/8 1/2 '/Ib 1/ 4 0 W,7 CEI TE 34.' Z 39.r , 39.9 ' C.3 "U Ai0.4 E ':: CZ' ? i A C 44.1 U1 187C( , 42.1 % b X ,e LIEI (I 11,I7! r L.9 I~r, % ' " 4O. 3 4 ' %.4 4S.4 4'; b I. c2- '. 4"..2, b. L ? 4q F9.'I.3 4'. 40.L L 4 q.7 4S. 1 4q.2 41) d, '.C 4~ ? r l t. 4 5c , 50.6 ; t. 1 S r 7' i ' % 'J ; V i.7l44.' ra.c ' ' ( E' 47.4 ' , 56.4 E ! S S ; S9.1 1-f 41 11C 11.%, 44,.2 6Jb '.? 6!.A ! t '4U.L S '2l. c ( S.7I bs.7 6S b bb " 4S4.' f, 1.( 6 ' s7. 7 'b. 4 68A.6t f.e 5 'C-1 S o.? 70.b 71.t 'r, -I.2 ' uf -'.j t c.9 8,a t t 4 R A I f f O 71.b E C a A I5 -. ' 2r 74 f, z c Fl8.0 6F9 1.l t$ F2. I , C A As E 111J S.1 19.r2 43.Li F5.2 e7. 4 8s.4 8;.0 r 49.4 A I 9c ' L.8 UL '1L21 t J.'e FS.4 P7. I i.. 7 P C $ '' ' C,.2 8. a99.4 9P:.2 '0.6 9":9 921:0 91.: : '9. S~: sir ;4: 94. a ')1 L , bf.3r I Al ?.. Z, q 'r L-1 ('..r '6.1 07AL R. 3 IL R.3 Q14.7C ' 4cil 6!.r ? F1q. 4! ' " L. 94.z "r '2 6'. r a80.9 1" C C 'I ( , 1 C5.9 Bq.e '2. L q [ 1.I t' r d v L.p~ ;-G 9!. 94.% 94.3 Q s.0 :) 18.8 Vk ' C ' P pa.6 p I;. 9g.' q4. " on ? TO0AL. 131"19 CF 0' l3j4; 9

183 F GLOAL CLIMATOLOGY rranch FECE!JTAGE FRECUENCY OF OCCJRQENCE OF CEILING VERSUS VISIPILITv LSAFETAC FROM CUPLY ObSERVATION! A I R JATFFV SFRVIZE/MAC STATION fium[r: STATION NAME: NIAGPPA FALLS IA r.1 PERIOD OF PECORO: MONTH: APR HOUPSILSTI: CE 11lb VISIPILITY 1 N STATUTE MILES lij i 5 GE GE GF GE (,E GE GE GE GE GE GE GE G1 GE GE FEET I 1: L I 1/4 1 '/ $11b 1/ N O CEIL I q ) j 2CC , " CE loc I 64.C b UE 1b'C0I 4r.' 43.L !.4 ",3.9 4! GE l4ro1 41.C ' A F tf 12 :oi r 1 Cf'COI h.2 48.? LE 9nC 44.9 ' E B UE RICC r s r GE ' ' t GE 6ECCI 4e GE rlo ' ?V q.7 58.? GE 4';1:j 54.1 Q., ( b GE 47CI c.I CE 3 Ol 57.2 C b t ! C1 6C ' E 205L1 6! G * GE 200o ( P.X ' P3.2,E IFosI C P P r L P re P q Or GE 12LrI ot n C GE V G GE 9I 63. a R ' ' j (E Pol ; 3.6 ci " Q UE 70U 7c E Q GE fcr I ;. I. k Q GF CtC1 7!.2 ' i q 6, GE c ',2.1, 85.q 9v ' j q7.2 9' ,F U, QC Y , GE ;:CCI I ' P LIE 1Li O GF )i 71.2 U " P O IL %limteo F 1SEPVATIOTS: 9Lo...

184 blilal CLIMAIOLOGN brainch LSAFETAC AIR weatpep SERVICE/MAC PE4CENIAGE FRELUENCY OF OCCUiE ENCE OF CEILING VERSUS VISIBILITY FROM 80'PLY ObSLRVATIONS SAIIO0 NUM9iR: SIAIN NAME: NIAGARA FALLS IP NY PEPIOD OF RECORD: MONTH: APR HOURSILSYI: CEILIPG VISIP1LIT 1I STATLIO MILES I I ce GE GE GE GE CE GE GE GE GE GE GE GE GE GE GE EEC / /2 1 1/4 1 3/4 5/ / NO CLIL 3?.q u u.b n GE Z ,:r ! e , CE j6reo c GE 140QC " e 147.e UE IZ W ' b LE 1 CCO , GO 9(! S b 52.6 S GE 872I 509 ' , GE 72' r5, L ! UE 6, 0co S7. 7 ' S7.6 57,b 57.6 ' * C " C b &n I' 45(131 56, ; E , E 42u01 58.f , C b GE r.coi 61.( C b q E G (.F zc71 ce S C 2' CI 75.- p P Z R ue G R E EI ' P9.u 89.9 SC ' u LE 131,0I 3S 7 8b (E IG -G I 76.! S.0c S2.1 ' , : GE c a '3.7 9' CE 'a a r q Q * G 7G0 I 76.F r ; Q GE IcOl 76.,?#.Z I.1 ;3.u 94.3 '., ;6p6. C' t *G r1 76.' ' F "II76.9 A S ; ,. 3 '8.9 q~ I 'OCI 76.1 ' '7.L ,2 9Q E b q7.. 9!, ' * GE 10(x 76.c ' ' n.9 '9.2 9' ' * GE ' i.6 ' F.2 ' Y8.9 P q OTAL NUM, L' OF 0 SERVATIONS *L42

185 GLOBAL CLIMATOLOGY PRANC PE8EENTAGF FrEGL'ENCY OF OCCL'RT[EK OF CEILING YFRSUS VISIBILITY usafetac FROM I-OURLY OdSLRVAITONS AIp.JATHER SrRVICE/MAC ST AT1N IJUM9E: 7: STAT I Ct NAME : NIAGA A F ALLS IAT tiy PL IOD OF RECORO: MONTP: APR HOURS(LSTI: C ILINiG VISIRILITY IN STATtE PILES IN JGL GE GE GF GE GE GE Gr GE GE GE GE GE GE GE GE FEET i /2 1 1/4 1 '/4 5/8 1/2 /16 1/4 0 NO CEIL I!9.E ;I q 41.b b LE 2?CCj " GE 16-CC1 48.( 46.f 47. ' E IbCC' 4'.1 b.7 ' [ 1.0C3I ' E. 9 '4.4 48A A.4 48A ' LF 12'C0I q , 50.q A E 1: 0j g S UC 9' S L.E 8[CO ' C, L u I S. 4 ' (E 6'UC 56.2 ' S9.9 5q IE ?.R ( u GE 456' t1.1 t Lt ,F 4CC1 c2.' (b.5 6A.9 68.i q (E 3 C I.r GE ' U c.e g Ir Z r. 7?.F P2.6 t3.2 P ,rG. 76., ? I.E 1'' 76.7 ^#' ) I 77.' C , UE 1?, L q3.! 9T.! (.6 1, C 77. f A q b6 'LCI 77.7 ' q ' EU Is" 77.1 ' ,8.9 95, S ue 7L ' "L.2 96.q bf (-CO 77.9 e E r or 77.9 ' ;4.C 95.8 ' GE '' L GE 3Lr "7.7 9F (E E li 7 '. ' : f(. ICr ? q IO IE S U '.q TO IAL hm"e" CF UnS[VATIONS: 9uU".L

186 K GLrObAL CLIPAIOLUGY BpAnFC P[.C[NfArE FkFELENCY OF OCCL'REf.CE OF CrILING VFRSLVS VISIBILITY USAFEIAC FROM FOURL 05LRVATION5 AIR, F ATHER SERWICE/?'L STATI04 NUM4ER: STAI C NAM: NIACAA FALLS [AP f;y PERI00 OF RECORD: MONTF: APR OU9SILSTI: CEILI VISIPILirV IN srarutr MILES 11 I 2E OF Or GE GE GO OL GF GE SE SE GE GE GE GE GE FEE T 1 r /4 1 3/4 5/8 112 c/16 1/4 0 6O CEIL I 3S. 4Z: d U L 4,.C 42.C &E ZOUCC ! UE I.aE 171 4,2., GE IbCCI 4? e 46.R E 14C -_ u E.0 q.5 43.L A.C 4R CC 12CCO b 51.u I.Z ? 51.? g0. LE ! si S3.I be 9-C c2.2 5S, S be 8271 S_.c S.a GE 7cCC I d GE 6rUCI S CL n q GE 5CEO.t 57.9 f b S UE 4'.O 61.3 C t n (.E 4(cc C GE 3-L t U 77.n 77.U GE 3tcci ? P GE 2 2( " 83.6 P4.8 8" P e A GE 2' '4.7 R n U1.6 'E P5.b GE I Co 75.( P G I " Q q GE 1"' _ T CE ',CC ,.2 9S.6 9S I.E F CCI ' S ? GE 7 7S.6, d 94.C 15. G C GE ti 75.6 a8.1 9V Q GE ICLI 75.f A8.1 9? r ! 9q GE P t GE ( L.3 93.L , 92.8 ;8.; L Q.E C GE IL'I 75.6 I8.1 95*a c3.c Q i C[ ( ' L TOTAL NIJFpPD (F OSERV(A710T5: "."

187 GLOPAL CLIPATOLOGY RRANCP USA E7AC AIR.EATiHER SERVICE/MAC PEhCENTAGE FREQUENCY OF OCCURREN4CE OF CEILING VERSLS VISIBILXTY FROM HOUqLY OBSLVATIONS "STIN NU87LR: 7,5287 STATION NAME: NIAGARA FALLS IAP NY PERIOD OF RECORD: MnNTN: APR NOURSILSTI: c... CE ILIP1( VISIRILITY IN STAIUTE MILES In I (,E Gi. GE GE GE IE GE GE IL GE GE GE GE GE GE GE FELT I 1 b /2 2 I 1/2 1 1/4 1 /4 5/8 112 /16 1/ e NO CEIL b S o, 20:C10I G 49 R C q I.E 18CCI 4S. 47.C b.z A ue 16brCV q, I q R [ 14FC (, (.E ',E :0U 1 4P C S3.D IE 9(C " 53.4 W: b0c' E CE 7rCc t re br u0l S I.E s5un n GE 4,C" 'E 4L urc Z !.7 74.C C GE ' j L C ,E 1(OO C ( Vo, I 71.p s I.E :f C 73.6 F e 6, P JE 140C i :,f '1 'GO 75.! " ' - I :'C' b *r LC U C C g4.9 9' S !,E ps , ue # f S'C; 1 7' b G 97.2 ' GE 4LO 7S , ! 3 O, 7!.9 P c ' It no P Q C " 6E I lr R I U IE I 75." R 'J c I T018L N1MB[r OF O'SFRVAI0O'JS: 9j1 L

188 ulibal CLIMATOLOGY PRANCH USAFETAC AI3 AFATPEP SERVICE/MAC PENCENTA6E rikequency (jf occufrlnce OF CEILING VFRSUS VISIBILITY FROM HOURLY CUSERVAI1oNS SIA11N N1PPER: STATIN NAME: N1AGAA FALLS AP f.v PEDIOO OF RECORD: MONT-: APR POURSIL$T1: ALL CC IL t;g VISIILIIY IN STATUTE MILES IN CE GE GE LE GE be GE GE GE GE GE GE GL 6E GE GE FEET I, / j4 1 'l4 5/ / NO CElL 30.7 ' ' i be 2 ::C' 4 1.F b s 45.a 4S s E 18%0 I b LE 16C CC 42.Z U f LC 14" G C tc 1 'CC S t I CCOC I 4A !0. a S L 47.C C p 51.S S r~ 8c C ! b S $ GE 7' 17 5o S CE ' ! GE s11 CC 54.9! 9.d C b '-, k: 6F E 4"C1 60.C ! 6N.2 6F C UF 3 J3I 62.' , CE 3rC , LE 2L0. I 6P I E 2,'I 70.6 p A E j (E 1IG u 66.2 P R A CI C S.7 9, C 9C r;e 12L q UF l(.o e ' G.E I Li Q b LIE P O1 7' C b 93.! A GF 7 LO Z ' (.F flo 7!.7 Y u 92.e gs E,Z z e ',E : 73.3 P ' n CE 'LCI c P u. ' r 5, A "r ICC7I 73.3 " p b ri OTAL NUML OF OrISERVATIONS: 72,J

189 GLCBAL CLIMAIOLOY PkANCH USAFeTAC 18 0 FATHER SERVICE/MAC PE6CLNTAGE FR[CUETJCY OF OCCIIRDENCE OF CEILING VERSUS VISIBILITY FROM HOUqLY ObSLPVATION5 STaTION NUPER: STATION NAME: NIAGARA FALLS IAP 1Y P(D1OD OF RECORD: MONTP: "AV POURSILSTI: CILIG VISIBILITY IN SATUE MILLS I pi re GE GE 6E SE GE GE GE GE GE GE GE GE GE GL GE FEET 1.13 b 5 N /2 1 1/' 1 1/N 5/8 1/2 5/16 1/% NO CElL N.C! Z N.? 54N. 5N.2 S%.2 ILE xcvoo N S ue 16'CI 6:.1 'N S GE I bici Sc.1 T ! G.E 14CO 1 5C.N !G St F b GE 12-CC Z 56.8 S S S7.7 S EI 1CCUO S.r! U.1 6.N 6" C ze 9:31U C , r LE EC, P N a bn ,.8 6N.8 6N N.8 ue 7rj 5'. r N P be 6,Cc I 6,3.1 f6.1, G.E -uv b 72.n 7Z LIE 4sc5 f ue 830 6g N e r E PC{ I.L ' N N * E 3;,CC P3.L 63.8 r! A UE 2, GO N LE ZrCCI 76.2 P5.N Ea.? e do.? P IfE 1fi. I 76.S ' % C I ve 1 CC E5.E sc. C , IF I-LrI P ,E l AR.Z ; L.E C 76.' c.c 77.1 r Q GE 7 77.! T ql L li 31f1U 77. r ' ; w E -C0 7?.6 07.F t GE 4 77,r '9.c " v Q r GE 1/I 77. ^ 8.C S ue 7 I 77.' T'1.C 9i ' M E 1. l C ' 'I r 77."!'.c , Q8.5 9A loyal SIJMVE OF OSERVATION1: *;f I...

190 (.13AS CLIAI AOLOo9 9tCH PENCEN1AGE FRLQUENCY tr,ccu8 0 CNCE Of CEILING VERSUS VISIBILITY USAF AC FROM IOUT!Ly ObSERVATIONS V AIR 6EATIER SERVICE/FAC A STATION NUMPLR: 7'S2 7 STAT 10f. NAME:. NAGAR A F ALL S I AP NY PERIOD OF RECORD: MON4.: MAY FOUQsILSTI: ILI Ib I N U L GE G r GE (,E GE 5E GE G6 GE GE GE GE GE SE FEl I L I /4 58 1/2 S/16 1/ CEIL I 4C b R E '.UCr L L, bf 18"0c[ 4!.3 48.L b 5o.6,L EI l6fl' 1J C Sc.6 SC ie q , be 1,CUOI u Z, I Gc , M E 9:'C C S S IC 8",2c q C ,r 70C 1!2.5? F Lf 6rC1 I S n *E -. :i 54.0 ( P fl E 403I b S.9 7, L.E 4!CC 62.P IE 30G j CR I.E 3LC I P IE 2,:I S C b SC 2-z0l A Q8.3 8e I' 1CC P q8,9 8q '.5 ICO I q be 121r' I 7c. P p.o P ' LC C EA.b 90.F 91, F 002l R b 3E IF c31 7, P C 92.2 ' E 7, G * ' I,[ A h UE -'L U 89.1 rv , CE 4 L L L 94.3 n4.7 9, (,E CO P L.9 9l G 96.5 ' IC Z IE I L( m ui b AL NUP-Efu OF 0"SERVATONS: 930 I -

191 GLUbAL CLI.fTnLGGV MRANCP PkC6ENTAGE FRE6UENCY CF OCCURQENCE F CrILING vrrus VISIBILITY LSAFLIAC FPOM HOURLY C6 l[pattons A61.FAY6[P SERVICEIPAC GTAIION NJIPLP: STA XON N8ME: 9 IA6 FAILS lap 79 PEZIOD Of RECORD: MONTH: PAY HOURSILST: 06C.ObCO CEILl'su V1SIPILITY IN STATUTE MIL(S 14 1 CE (f GE GE GE IC GL G GL GE GE GE GE GE GE 6.E FEET 1 1r. 6 V 4 ' 2 1/2 Z /4 1!14 5/8 1/2 / 16 1/4 0.0 CEIL I ue ZL1GCI 34.A C.3 SI.C S te I atc3 3.S L t1, SE 16' oi -,- '% e ; S1.9 EC 14 L S2.2 F E 1ZCC b S LE ICLO).1 43.E ' W t ie 9C ! Z A b GE 8CCI S-.8 '8, l 63.[) ur 7ro 4, C C3.3 C b G 6r01l 4a.9 56.e , (,F S :, X IC 4' O s2.' 62.8 bb , q b.1 IC 4r~urI 53.' E4.C UC 3, L I s4.i C *. 3MCC be -So: I 56,r a ) C r R R U 88.1? ue ! C b P GC I5CC q C.9 :, 12[l : 5? E7. b q.6 9C SE roc A , ) CE 9CI A O P CC, C b6.6 R q t,e ,P n " C , * p GE ',.zi E 84.7 p ic 4 L 5." $ 'L.L3 91.Q q E[? , , A (,F 2L0 59.Q PS f! , ti I P ' GE LI., L6. 7 ql Q '...o ' OtL NUMPFP (IF Rv0O7: Q3E L

192 v GLO6AL CLI"ATILO.. BPAhCH PENCLNTAGE FPrUENCY OF OCCUQOEP:CL OF CFILING VERSUS VISIBILITY LAFET 1C FROM OURLY ObSERVJ01ONS AIR WEA3IFR 5EPvZEI19AC STATI1N NUM LR: 7:'!287 5TA71ICN NME: NIAGARA FALLS IAP NY PLPIOD OF RECOPO: MONTH: MAY HOURSILSTI: C Ci: ii! ivlsi Sla1U7E PjLE5 IN I rl be Gr GE GE LE G E GE GE GE GE GE GE GE GE E EE I I /4 1 1/4 5/ / ' '..' O I '...' NO CEIL R l.( 5C n Lr ZCCCOI LE 18301C 44.4 S b ! S IbCC0I S S C 14r.;o ' S uc 12rL3 47.r.3.( be ICC bo vc 1 in. 1 ' e 61.b E 8Cq '2.' ES LE 7",1 S C C tr n E 5u C U.S 71.t ,E 4' CC 56.P 66.q b ue 4 Lo 58.3 r R GE 3! Ic ,E 3C CCI 1L e1.s 81.5 IE 2LC0I Z q3.c Q P E 2-C n l c s P P P E 1*.cl a.c d7.7 q (,r I GLrI ;4.3 A " U.4 9. qo.4 9" * E IC"I 67.5 f 1.4 8E UI.b ' q E I( -i U " H GE %71 67.P c" E PLII 6e. r Q ( E 7LCI b.1 '2.5 d b qs S *F 0I.,4.1-2.b r 41.; ' LE G ? b 94.' be i '.-2 ( E q ir!.ni C i S C 2cc r n f0.0 ICO.O ,E Icnj 6P.4 ' z ' IJ0.0 1'0.U ti. 6-.Q 2.q IOTAL ntm.imep O# O.srpVAyiO;S: 93r" L_

193 F LLOAL CLI-0IOLOGY FRANC- P1kCENTOG8E 6[66t104LV -F OCCI'.nEtIL Of Cr LIS VURSUS VISIPILIl USLFETAC from -OUQLY rbsepv8iions Al. 6rA7K1(R SERVICU/MAC LTtIcIN 8Ii2'4Lg: 7.S287 STAT I PJAME: NIAGAkA FALLS I A FY PErIOU OF PLCORO: M0kTf. MAY IOUSILSTI: 1?G0-180C CE ILI'.6 VI1151L1T7 26 STATI?2 PItE. I %,L kir 1, L 0 0E GE t GE Gr ut GE YlE GE E GE 6 GE G E FEET I l r / I1J4 1 1/ 5/8 112 '/16 1/8 v N0 CElL F. 8#R. 3 4a ' I.E :CCo S ' ' , ,E 18f303 4P.9 ' S ? 58.7 ' UE Jbl6I ' " ' I, 18CGII 41.6 ' ' S S5.8 5%.Q 55.8 E 1,' I.0 I 5C SS- 5L.6 56.b "t.b b.b CE ILCII 9! re 9rCl j LLO I U A[ TL, F C (-5.6 b E V1G b GE 5rL0 59.r P p C.3 A[ 8 i t. 4T Ur C b , ,E 3' E 3CL0 6P R d G ' ' ? *3 8P.1 se P te Zt'G '. b 91." GE 1 5C'I 73.9 P ,E 1"1J Q qi ; 17C 78.P ' Y5.3 9S Us 1,. 74.e q L S.) 9t c CE 9L F.6.Z L 95.1,t.,2 97.' ? , FC P 6.3 9S r 7, b s.e f 1j 7f. I F.8!7. U c j S ' ; P R A6 4C3I ! E I.! "7.! 'i7.5 9p.9 78.; IE?L." : 759. ' q7.5 9 A ' ! '.6 '9.U ibr.0 i00.o 1o io0.a ,,E '1 75. " ? ' r 99.8 c9.9 lon.0 oo.u Il1.( ICO.G C.0... TOTAL t.i7k969 OF O',SERVA819'4: 43'

194 F 6LaJAL CLIP1';OLOGY 88ANC- PLkCLNTAGF FPEQUENCY OF OCCUR1ENCL Or CEILING VFHSUS VISIBILITY,SA f1 AC FROM HOURL Y OASEQVAITON5S 5 AIR.[A-[E S[RV /("MiC 'T*TAT.V NUIMLr: 7.75'07 STAT rn NAME: NIAGAR8 FALLS TAP KY PEPIOD OF RECOPD: MONITH: PAY HOuRS(LStl: 15C-1700 IL 111'b VISIBILITY 14 STATUTE MILES I,L GE Gr GE 11bE E GIL E rp L 6 L E IF GE GE GE G E FE.! I Ic / /2 1 1/4 1 3/4 5/ /16 1/ * *, NO C] L I 42.,' U ' '17.2 '1..2 ' '7.2 L.E,-C z I u7.' ' , ,E I 49';) , F 3,. IS3.5 S S ' !,f 1I4V 1 47,8 Z.3i 53.Z C 54.C N 0 S (E!4 1C-I 4f.7 ' S b 54.8 A ' C.a V,f I2LC I r. 'S T '7, uc IOt z 0 ' t L. 4 b b r UE 9,CZI t, ,j. 61.L , 'I 8~Cli sia.1 b ( re ;[ CO 1.4 6, U U X bcl7 50.n 6b I c P A GE 5"VI -.3 7r, " 40 I b E 4!CC i ) O i" e LE 3021 ( C C c U, CC l 7:. 9 -C.6 63.C F e a P Ps.5 Z, 2 3dI 77.4 " b o E Z'oJc 75.7 P ? Z "[ 11OJ I r CE I LO kd LE 171 I '; !,E 1:L P P 95. h ,.E A s ' (CE pc ' :0 96.r 96.C 9f, A ,1 6, C 7, I 77.i , , ur F di 77.1 P it CE '1, Q E 410I 77.1 P q (,E 3LO q "b c CE -L21I IOn.c O 20.0 ICOO (E 2L q ' Q9.9 10" o.0 1n" be : 97.4 ; q9.9 9Q on o.* Nt'PrEW or O;,sE8vA IoNs: 3.Lt

195 t7 LCAt CLIMATOLOGY!:PANC4 PrkC[tlIAG[ fre UENCY OF OCC'JR[fLCE Of CFILING VfRSUS VISIBILITY v5afetac FROM HOURLY PUSRVA7IONS AIN 6EAT1EP SE8JE/9AC STATION to'7plr: 772,67 STATI C. NAME: NIAG86A FALLS TAP NY PERIOD OF RLCOPD: MONTI-: MAY l-ours(lsti: CC IL16 VISIFILITY IN SIATUIE MILLS I'. i E1 GE GE Gf GE l GE GE GE GE GE GI GE GE GE GE FLLT 1 ti / 2 1 1/2 1 1/4 1 1/4 5/8 112 /16 1/4 0 NO CII 1 4?.:' H , , 9R 'Lu. n , S ! GO S " F t c ; ; ! [ 14CCI 8'.t ' S :' C E 1JrCCI S b ,E 9,CC I 5. I 53.l t2, IE P-7 C 5. 3., b 65.P 6b ur 7'3o l G 6e.1 (,1 6P ,, 6'CoI 5.? ( ' 7 L.3 7n.- 7c n [.Ll Il ,E 4 1tI f , 79.9 E C b2.u P I.E 4-c8E I.8 P P4.L 68.c 88.1 a ,E 3!Ll I b.i '1.L 83., " , e6.1 (se 3[ LC I 6'9 q 3.i A, P IF P:,.8 8P.5 9U Q ,L 2C 3 72.is ! s S s E l 1.I ' ! U re Lr'1 l 'v5.3 ' :,[ I:, L 7p S E i! LD , ' 'r q:'i 7,.7 'e o8.6 '5 5 y ,E 7or L p6, ue 70CI 7. 7 ' " q f E 6-.rl I'. 7 te.r 92.c c L.E 7', q , , A.6 9A o It.,iI72.' %8.; 95, R ,L E 1?7S ' "7.6 b r q I F ZL7 72.' '' Z ? ie 11I, " Q I '9.8 9Q u te ,1 f 17. d 9' o IU IOIAL hiimpfr OF O"'W8A71085: 93r L

196 GL0LAL CLIMP ICLOGY PRANCH isaf(7ac A1R WFATHEs SERV1IE/PlC PE.CENTAGL FREQUENCY OF OCCURPENCE GF CEILING VFRSuS VISIBILT1Y rom FOUP-LY rusepva3tons!ta11]on P.Ur.Pl: 7,5267 5TATIP: NAME: NIAGARA FALLS IAP NY PEPIOU OF 8/COPD: MONTI-: MAY $-OURS(LSI: CV " " V1S1 I'. I'LT Y I STATUTF"M 1 LES i I,L SF GE GE GE E G E G. f, E GE " c G E GE G[ GL GE FEEI I" t / /4 5/A 112,/ S , C ,. 2G2CCI L 57.0 r E 1LcI a: $7.5 1, ,7 57, ;'1 1e 0aI S:.' 56. Z q S S71.7.E 14'aC7I 5.A c , ' S 'E 12L; S ! (,r 171! c b3.c I. 9rc1,,.L ( S S i.f Y':' I 7. ( A ' CO1 50.? E p b q ('E 6.? 5o.C ( (95.b q fv.i *E S'05 I r7 fe 6,. 78.! ' (1, PI a t- CO 4rLC? P i,2.9 p!,c F ei *.! -' Ix ('C E7.4 ' P48.7 es p S.5 6'. p 6E 3r 'CC 7Z.U PS.7 b c P q p..,c -CC1 7'.. (0, q ' u0 Or: ' '9*0 90C ) a. 9/. d LF 1PC' 71, c U 9! '! I t ' , 'S v 9.. 1, ' , ? * V%.% o.. ue VLLI l P C.Z' '8.,E -Cn 78, d , 18.t) S '8.b 1 9C t. LE ' C 714. ', , t8,3 94.f. 94,h 98.9 '15.1 9, r[ 7C' ' J8 1., ". " E :c r S.7 'W,7 9(.1 9. )b..1-. (., ( ^17.L ', I 3' ~.' F 87Z i L ! V-.8 06' b 1X ') :5.8 "7.. "7.84-9'. -.1i 4*.'...9- 'C,L c I6,a 97.. ',7 9'.A f, ''.. ( * 00 I..? ,4 '1, ',7.6.P..' "9....,...I..., , IO AL H(JMnLg nf 0- Sf''/IAlION,: $

197 ad-ai &R Aj Ffi L M WAS a I UMCIASSIFIED U A'- am EM YONX RIEUIIRT061 WORRY OF 3/4 c luumm 39 V2 ML

198 1-0. I1-25 rf--7

199 GLOBAL CLIMATOLOGY PRANC- USAFEIC AIRl IE8ER SERVICEIPAC PEWCENTAIE FREQUENCY OF OCCURPENCE OF CEILING VERSUS VISIBILITY FROM HOURLY OisSERVATIotNS STATION NUNREP: 7252e7 STA11Ota NAME: NIAGARA FALLS ZAP NY PLqIOD OF RECORD: MONTH: MAY HOURSILSTI: ALL ~C1L1GG VIS;I1LITY IN STATUTE MiLES IN i GE GE GE GE GE GE GE Gr EL GE GE GE GE GE GE GE FEET I /2 z z 1/2 1 1/'1 1 3/4 SIB 112 sib /9 a NO CEIL '17.q ' E 20[)Uo 46.C , be ? " Z " be 160C00 ' S S GE 14'G0I S SS.C 5S.0 SS SS ,E 12C0I0 'q ,9 56., S S7.o GE b.0 6C GE 90CG C GE Arool 54.C Z GE 73C E Z E 5r0O Z E 45,U GE 94fL z1 3scc GE! ? 8C e r 2rCCI 68: e5:3 86:5 b GE 2LUg 7' e n GE p E 1 8 ZX 'F I2LCI V, ! r E ICCUI S s be '11Oj C GE mar' 71.8 qq.s F %.7 99.? 99.? AE # ro GE 6r8I 71.9 P9.9 d S S.? GE 9 cr 72.0 qs a G.E C ? 4.E 3cal 72.n % qs GE 2Cri 72.0 ps.3 89.!; i E "00l 72.0 e C q E I 77.r vs z , IOIAL humbep, V OISERVAIJONS: 7990 w..- '-:1'! *, li '-.

200 blubal CLIMATOLOGY BRANCH P~hCENIAGE FREQUENJCY OF OCCURPEJCE OF CEILING VERSUS VISIBILITY LSArEIAC FROM HOURLY OBSERVATIONS h NUMnEP: STA7ION NAME: NIAGARA FALLS lap NY1 PEQIODOf ovecopo: MONTH: JUN NOURSAISTI: CE IL1A:G VISIBILITY 1IN SIATUIC MILES IN IL GE 6 GE GE GE 6E GE GE GE GE GE GE GE GE GE GE FEE? T IC A /2 1 1/4 1 1/4 SIB 112 S/16 1/4 0 NQO CElL S.o i 57.0 S ' S E.E 2LF C c 59.:. -; C. 1 bo.3 ( b i.e lrc'il 49.2 S bc*c ec.1 rl6, GE 16C s br.1 6C n GiE 14ECOI 49.2! b C l F 12.-aO I51.7, C AS.? E 0OI As L E ic 9, C $'!ICI q'# I.E 71' ( r I.E 6(COI S ; GC StCCC C ? ue. 4OLOI 64-C SO.3 A AE 4C~v GE 3. Sz.D '4.A 85a ? ' (C 31LO E 2!CCI 69.0 ' U n ,E ZICI 'OI7. ei V GE IC~c 15.C 7.8 n.4 49.Z ? v5.7,f1ci72.r, P5.? U lb.c E Ifloa ' E *.e!s f) 1K E PC AC :.2 ps.q* C GE (C, 72.?.' " v ,:C :.% 9b C %C 77! P a ue ? s.9 qe.s A.E 201 C S ~E IMC 72.! 0b eq bf ' l ' TOTAL NuNpEp or 04srRvAtioust 900

201 !L i GLOAAL CLRIIAOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURPE[CE OF CEILING VERSUS VISIBILITY 4 usaf.tac FRO" touqlv OBSERVAlONS AIR WEATHER SERVICE/MAC STATION NUP!'LP: STATIC NAME. NIAGARA FALLS lap NY PEfIOD OF RECORD: MONTH: JUN HOURsILSTI: LEILING VISIBILITY IN Sl1T 1 RILES STO... 4LE I J C OL GE GE GE GE GE GE GE GE GE GE GE GE GE GE GE FEET I / I 1 4 1!il 5/8 1/2 S16 1.#% CLIL i j S SI.? E ^DDCOl Z 50.1 S1.6 5!.? $% S S4.4 S4*7 be lar S4.1 5l S Si.% 5.? b16b'zoj 42.4 l.cl 42,a : S18 S2 52:1 53,0 S3.q 5!.q 54,3 S.r Sq.* 5*4.3 Sq q S.:0 s4.6 5S,:0 S S4.6 S5.0 5o *9 5.3 I,[ 12robi 45.2 ' ,3 S?,l 57.6 ST R,3 S S8 3 S8.14 So.$ LiE ItCI 4? : GE 9,UCl L ! a $tial G b ? *E tul I 50.F , b E 6113C, 52.7 b4.l ?Q bc Src-03 s5.s D.U GE 4 c0i 58.1 el N.4 o, 4031 S , ? PO A 35,X, I G 3'UaC B GE 2, " P & % oe 20c0 6!.g 75.C *9.6 as.& &9.1 P bt 1po Is.% S 8S. ST b ? E 1r C t 120I 6s n # ; ir IriOi fir S C I.E PO l B : I'3S r 7Cc1 69. ' e *4.9 9S GE 6.01a D % I S1 c 6t ;.l S ? 9S % r bul '6.8 V (A $ rx %.q " C ( G al 6s , 6.C TOTAL %WMfitR Of 11SSEW110Is

202 GLOBAL RLI1OLOGY BRANCO, SA.EJAC AIR WEATHER SERVICEIMAC PEkCtNTAGE FRE(.IENCT OF OCCL'RDENCE OF CEILING VERSUS VISIFRILITV From IOURLY OBSERVATIONS STATION MUMMER: STATION NAMES NIAGARA FALLS TAP NV PEPIOD OF RECORD: 7i-8i MONTH:Z JUN POURSILSTP: $o8c... *NO CElL U 48.l S !, S? S2.6 S GE IbCCOl e b5.1 5S.9 S S G- 14.E INLO o S0.3 % c 57.1 S S GE 12L7G01162.P~ S S ? '.? E lurg0i ! G (E Sf2., S%. S b2.? S * ie 8co Si3 60.? ( s E 7Icco 45.p! c ( *GE 6pr.lI S Uj c LGE 5C!T~ 61.' C In,.$ *GE *99ul ! *GE do.: i &2:l 61: A.E 3LOI " G GE 3C001 S C, Z at 2'00I 561.A E ' SN1.? E :"Col % P ja E I lio -r s5.8 * % 16.3 & A *f.e 1L-Il P1.1 &6.D n C GE I I.E (A 3116C I A.1p R I :6 61 q P he * % I.E 1001 to.$ 70.2?1.: L.? L4g *CGl Sp.i %. a ;.6 9S.4 9S.6 9S uc!-ci ) Eug orcl j ? 95.9 V of I C01 S4SF?,j As.% 81.2 % b E ?1.3 s ' GE r so0?a :: kg ')I ( IAL hespes if *.'5gU6A11fSsa 9G0

203 GLOBAL CLI"AIOLOGY 6R4NCF PEkCLNIGE FREQUENCY of occurrenc Of CILIN6 VERSUS VISIILIT us AF r ITC FROi HOURLY ObSERVAIIONS &IQ ILAINER SRVIeE/MAC SAI1OS hupber: 7P5287 STATII1J NAME: NIAGARA FALLS IAP NY PEPIOD OF RECORD: MONTH: JUN HOURSKLSTI: *CEILING VSYL~ t ilt IE IN GE GE GE GE GE GE GL GE GE GE GE GE GE GE GE GE FEET In b b /2 1 1/% 1 1/8 S/6 1/2 5/16 1/8 0 4O CEIL 1 %1.q " S S S" g E 2orcGol wo8. SC.3 SZ S GE S * ' S'.r SO S b S ? ? (.E l1socol 4S.0 s 11 Sz S E 12-:o S5.1 S E S7.Z -7.* * #.E 9rGUl SO i S I.E O (( L ? i.e logos 2. # S I.E breo S!.? ? * GE so ti 8 G0J 56.? 67.a " E CO( :8 71:3 7S P E[ C ' G IE 3 lc, 6f , t.e 25!,Of 62.ej " M LE 200CI e S *7, s8 I.E;' L8*O *S * g8 68. G IE 15, : :, GE P Gr I S s s.% s. UE ' f WE ECoI S GE 7C0I 67.0 P $ $ ( f c e te knoi 87.1 m S M a 4 x ? 1 GE 3Cr ;, S.6 s7: 9p ?ccI q7 9.? Do 0 1o I0. D Ut l00t 67.1 a IC Ge Cl 'C I o... OIAL ku O0EP00e *65ooV8oo0e S0 8o L0 Job * *.,-...

204 GLOBAL CLIMATOLOGY SRANCI PEkccmiAGr rrbeguencv Of OCCURREN.CE or CrILING Vr6SUS VISIBILITY U16FC16 FrOM HOURLY OwSLRVOIYONS AIR Nt6T"6f SERVICEIqAC STATION NUMBERs 72S267 STATION NAME a NIAGAYP F ALLS Ip P1Y PEPIOD Of RECOPO: 18-8? MONTH:.jul HoIJRS(LsIl: CEILING. VISIBILITY IN STATUTE MILEIS.1IN GE SE Or S GE GE l GE GE GE G.E GE GE GE GE GE GE FEET r 6 5 A 3 2 i / 21 3/4 SIB POO CEL SO.I S S SI.3 $1.3 S ,Crcel ft IAs.? sb S P ST.$ 57.6 S1.6 L.E 18lo7 a7* %.a 2 S6.a. 16.? Sl S7.9 S S ST (if lt~cl '2.3 S%.8 S'61 S a bl '. r, S.C 16.0 S so.n _ GE k~ricri 4A".? Sj S Spt 58.6 S6$S S886.6 So t.e I.Iouni 40.3 T c EL C C'.2 60.? ? 60.2 *# lu.c r 5j'I ? 62.? 63.6 C GE8 9c001 S % b bl E fg~i $6.1 6G Iur rr~l b5.2 E2.3 6S.% C ue6ocg 5b.2 fs n*9 7E ).9 M9 it%. 9 7C'.9 7r E O' 51, S S A1 61.1,1 1;.3 $ IJ T.C ??'Z ? 77.? Aj r cr *. & 7%.2 76.? ' A ItE MI 62.? ? a al.? 61.7 a ? 61.7 Gr3COI 66.' to r.e z.a~i so I.E 2-;C3g 73.1 a ? ?.A ur I '3.6 Plot, S2.1 ' q l IEPd 7. e E 12L' JIJ.2 66.? q ' Is f iccal ? i UC 1G q.8 7 5c too V7.0 M.3 98.b ?7 o GE?Coo f al~ or. 96q. 99.? ? 99.? ii f' c ? IE 5Ic0I 71.? ? q L- 44; GE (8 'o l q.6 IM0.0 10o. loo.v Mo (A " P " Gc 1011l 13.7 e luo.o 0~ t I.E Cl 1I.? I00.C Nt T0TAL IEN OF OPISWRATISNSs 9uI. H J

205 GLOPAL CLIMAIOLOGY BRANCH usar[,ac AIR W[A15(6 SERVICE/hAC PENCENTA6E FREQUENCY OF OCCUPPENCE OF CEILING VFRSUS VISIBILITY FROM HOURLY OBSERVITIONS SAI1Oh NIVPPER: STATION NAME: NIAGARA FALLS lap fly PEIOD OF RECORO: P0MW JUN pourslsti: ISOO1700 CEILING VISIPILITY IN STATUT7 MILES IN I GE 4E GE Gr GE (E GE GE GE GE GE GE GL GE GE GE FEET I IC L S / /4 1 W/4 S/S 112 S116 1/ 0 NO CIlL S G S E 2CCEC S ba s S lecol d S9.n S E 16:ClI 99.7 q S $9.3 S I.E 19t.2'!!,.e S5.3 S a LE 1ZCCI i 62.1 ( IE 1cc ( ;.[ 9 )OI 5q be 8-LO C I.C I. 71ar (6.1 7O.C ! 173.F * 6P0L 5*R Its ? f GE SLCI ,CL : P GE 4'C0I (.E 3SC31 68.P % A 3[El C ' (A 2!CRI Z.C o V: 4E( 21c ej S S A IP cf 7I.7 3e % : (la 14ca A P a Irca t C nz20 7!.% ' T T o.( It AE Ur( 7C q9.7 P " " o ? P (A cli 73.7 ' % Q6.4 9P." ' G G % 9.0 V9.G IE S.G E 99.G ri S i S.c 91.J " b 73.7!S.u % 980C ' IC TOIL k PE Of OS6vAl7on51 930, ; L L

206 *AIR I.LCLA. CLIM~ATOLOGiY BRANCH PENCENIAGE FAE(UENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITY USAFETAC FROM liouqly OBSERVATIONS deathier SERVICE/MAC * STATION NUMPER: 7,528? STATION NAME: NIAGARA FALLS ZAP NY PERIOD OF RECORD: 78-AT MONIII: JUN OOURS(LSTI: IN 1,EI GE GE GE GC GE S~E of GE GE GE GE GE GE GE I.E FEET Ill i6 5 ' /11 1 3/lI s/a 112 5/16 1/ NO CEIL ' ' ',. 5.3 SS. ] $ * IE 2CCOI1 119.C !8.6 SP.6 S LE 180CCI ' S S (-E ib-,of s1.e & t E 11'Cf ao L E IrIC IS. Lh 6S-" 65.C ; S * '* lo,'gi 5 %. 2 0C b i E 9rGGI S C b 'E droci SP. f 36 b E?(.C() 59.8 e NE brool (6.5 7' ?ol?ol 75.1"I?o S.1 sn8 Cr21( V S E 4 S - 6e. i F A13.6 8' P3.6 GE 1ri S.? Or.% Sis ' ? E 3f. 1I 68, ? 419.z *.E Cof! a Z ,.E 2s Co 73.5 F1.C ? A. 21C2 7C s U E IOL r ' :, 1'.c!Di 7i.r I.E I2CCl 11.0 ' s qb S (-E Ir'LolIt 13.1p a q7.j 97.1 G.E ' C I.E $Lei ~E V V ta 1-.r.171.4, I.E LCI 11.! P C i.e 1 C '?.r F) V ? se 'OCI 73.3 q v q I.E ;cgl 712.% IUG.n IE loci 73.5 rs.0 s go ICI tse it o, 9.u W%1.& % 1210.G ICIL, tgtal %UNPkv* Of GI M SEIVAlIoNSs 1198

207 ULUriAL CLIMATOLOGY BRANCH4 PERCENTAGE FREQUEN.CY OF OCCUROENCE OF CEILI-46 VFRSUS VISIBILITY LS&FEIAC. ROM HOUDLY OBSERVAIONS1 Aln birat6e% SERVICE/PAC STA1O~N NUPICER STATION NAME. NIAGARA FALLS lap NY PERIOD OF RECOPO: 78-81? Moody": JUN UOUPSfLSTl: CEILINGVISIBILITY IN STATUTE MILES Itl I GE GE GE GE GE GE GE GE GE GE GE GE GE GE GE GE reel T 1 6o / / SIB 112 S116 till 0 1i NO CEIL GE 2COOL3 I S ( % GE W001o Z: re 16CLOO Is ( L.E ! d * f.e I 2rO0I S6. Z ( A l be I e b E 9rj q C GE S(, GE icool ae brool q S (,E S-cIl wi ! # " G Sn66C S k & IE 90001l q S FIGE i * ( P i 89.u GE '0I S (A 2CO p a *' In.5 0S GE W.? V VS.7 VS. be 12 CroI Vc.9 qg.a ~ E V c &I lo cal 17.9 P % ( It 'CII?.!q ) 9S (11?G ' S fia 6L03 l1.p GEC F G *GE 900ol 71. * 6! GE 300Z ' S v9i (6! Z0I ' S , * * Oc , ? 99.6 go.? fit fi 11.3 F *3.1 U M 1 I Of 813SE898?IONhS8 897

208 GLnL.AL CLIMAIOLOGV B8?NCl PE.CENTAGE FRE(UENCY OF OCCUNREICE Of CEILING VERSUS VISIBILITY LSAFETAC FROM HOUPLY (IdiSRVATI.hS AIR EATEIIR SERVICE/MIC 7ST1TON NUPRLP: 7Z5267 STATION NAME: NIAGARA FALLS lap NY PERIOD OF RECORO: MONTH: jun HOURS(LSTIZ ALL CC IL ING VISIBLITY IN STATUTF MILES It. GE GE GE GE GE GF GE GE GE GE GE GE GE GE GE GE FCET I 1C / /4 S/ 112 5/16 1 / 0 N.O CEIL S3. V q GE D3CUI S S s8.0 $ EX.lCO I b SS-C c 5?.l R.3 S %16r'oI skz S6s $6.6 S.6 E 1.r fl u :,'.12C s.9 S C 62.t l E 131:00l S C.0 6S.0 6S S.1.E 91001!?2! S S S E 8ECCI 54.n el.5 66.S a.: 6b A LE IPn S , D.5 b* 6GC S S ? p 72.J GE 5SrjG S q Z S v I 60.6? , G S.,97 l C JCOt 63.3?J A Aq*G (.c 3re n 6s A P GE 2SLOI S., r, " GE 2erOr S 9C AE IFUi 67.S C GE i-c as S G t E 12: PO. $ S S S.2 9S.2 'c 1roL4 ' o S s. Tc.9 9S GE 9G G %S 95.! 9S.8 9S Z 96.2 (AE 8COI (6.6 82:6 66.S :6 q :5 9L I.E 73c 69.r *I Is q (It # CI 69fi. 1.S 86.7 q,j 96.3 ob z ,S ? ? G C cl 69.." GC * C! E!u 64.r *1.u % t S GE 2Ll1 69.1o 1.4 a?.u ? 99.6 q.6 $A! Icol SI.X C * 6! #.t. a7.r S V IIAL kn114. Of OmSE8VATIOSs 719! 4.

209 w.l088l CLIMATIOLOGY PRAN4CH PERENT'AGE raeiuencv OF OCCIJR 9 L41CE or CFILI'IG VERSUS VISIBILITY US8FLYAC FROM L9 ObSERVATIO4S AIR4 wra1#.ep SERVIEE/mAC STAT10ON 4UMERt? S:'s7 STAT10ON NAME: NIAGARA' FALLS TOP VVy PEPIOD Of RECORD: : JUL IOURSILS11: 00000D IA CEILING VISIBILITY IN~ STAITE PILES IN4 I E GE GE GE GE GE GE GE GE GE GE Gr G E GE be FEET I ILI 6. 4' 3 2 1/2 2 11/2 11/s 1 3/4 Sig 1/2 / NO CEIL S.4' s8.%' C E 23C01 $I.. S b b(--? :ClfO ' 22 6::%4 65.4' b p (.E 16I S E 14"3c.il 51.6 S ' ' 4E 12,00o S s L :' 69.4' ? E S ue roal I Sq, C ' '.! '.3 GE 6!01I 58.1 i S GIE 7- r E ?a.& GE 6('Cnj 54.9?-,.% 74' do.% 90.5 afy GE s' ll.$ 868 GE l'.l 6l.' 7S m (! $ ve 8E00l 6e.* P CA 31, S S GE G S bt ".9 as ' '.? E 2fCoI 6q.2 P qft.5 9s GE Im"Ol 68.8 P S fri~r b ? GE 1V00I 61.9 '3.2 $$ G.E 1' S I7.? &E tk P (,E R l ' S UE 7001 E9.1 P ' be (.,: *.J.", % e I- he OVI j GE IscoI t P (A ccc 9.1 'J S r s I.E 201 t t, S be I ' c 96.0 Y : 99.s (A ~ 69.1 *3.7 s6.? ' 97.4' ' S F 99.? 300.0ON TOTAL N098CR Of 0'SfRVATIONS$ 9SO

210 !'a-. GL33L CLIFATOLOGY BRANC' PEwCENYTIGE rreulncy OF OCCUROPCCE OF CEILING VERSUS VISIBILITY USAFETAC FROM F-OUPLY OBSERVATIONS AIR %taihe 8 strvjice/m6c p STATION NUPBER: 7Z52e7 STATICN NAME: NIAGARA FALLS TAP NY PEPIOD OF RECORD: MONTP: JUL POURSILSTI: 0300-OSO T CEILI'G VISIEILITY IN STATuTr MILES IN GE GE GE BE GE,E GE GE GE GE GE GE GE GE GE GE I FEET 1 6 S / /2 1 1/4 1 3/ /16 1/4 0 NO CEIL I!.7 8b k s.8 S S S6.1 IGE 2LCOOI S b I.E loc3i $ L.E IbVLCI , b, S 6E 1:lLOl 81.6 G.E 12CCI ] ile brd r ( P.O I.E 9U00O C GE 8' T1 ' c e E 7L4CI 4S.2 C LE b ! GE 5ri I -1. ( S.Z $0.0 ;ie 8'Znl $ R A GE l e u. 3%'1 S PO L b 30C3 5b z. 8.5, 86.: ba s V. Z!CI f ? 9j IE 2'C I S-41.1 ' Fe.8 91.E 92.C be S 79.S 88.8.G E !.c I!CoI n Gr 121I1 S.p L ! 9S GE 1320 smo C.q F qi.g GE " b9.; )1.G IE 6rJfl s5q P S S S be c 86.S S 96.6 GE 600! 0.f I.E ". SQ,*?S Z.O IE 8001 S7.c ; e6S be ECI OZ.% ? S GE ILOI V* GE 3I. I z 81.? P % p.0 Q6.5 9nn s q " (c "' 59.0 'S C*4 ; Q.* ( I01AL huhblq OF 01S1VATIOtlS 93C

211 I 7GL'WAL U41A TtkrENTa CL1M4IOLO)G'. LM LG fi,:4 F CENTACJ rhewuenlc90v O CC,'E'-CE OF CrILING VrRSUS VISIBILITY r~we,~f HOcU'PLY OEOS[PVAT ONS 117 LAIHL6 $ERV4Z1I68C!,TilIOP% NUp:qER: STATION NAME: NIAGARA FALL% IAP NY PERIO0 OF RECORD: MONTH: JUL HOURSILTI: 0 6 C '.. VISIPILITY IN STAIUTE MILES I I C. GE GE il ur b E 03 GE 1. GE GE GF GE GE GE GE 3001 Ir /4 1 7/4 S /I U... NO CElL I!1. ur , Z ' 'A(.CC ' S t r 331J :: :4 : S:7 t s.6 5-.F S8" E U1.( z S3., 55o Sa rtI L.! S p IZ'.l , S L[ 1CG , C ,E IJUJ 6S S "E A... p p 59.9 (-E 7..PJ S9.5 ' z C GE L 7,.!1q, C9.0C ,E 5 L I * ' r; b GE %' CI U b d ue 3 -E q- 1 i ',!CLCI 45* P GE 2- L R E b A1.5 8P L. co1 4." s C qo.o , 1F "I b '3, P QO a 1SII L F U.? t,e L A R , C (2.0, 71.3 s GE AD P (,F -12i 47.6 ( AC G. z ' G '.,j f %.2 9s.i ' GE (CCIa, 476 ' a n S.9 96.e *.< I47.6 6E!q e q I 47.6 ( , 41.4 e7.b A , 'o: A 14 b7.6 L 1 7 9!.P 7S C *it 1' '.*7 9! "1 99.? S LE I L I % 4( ' i C, I 47.f. f ' ,.7 93.q A S AL 6Nt F* A GF - SEt'VAI0.: '3L

212 E.LIJAL CLIMATOLOGY RRANCH PLNbCENYAGE FrE(.UENCY OF OCCURVENCE Of' CEILING VERSUS VISIBILITY US LIE 7AC FROM HOU'Y OBSERVATIONS AIR.EATI-EFZ SERVICEI1IAC STATION NMDEP: STAYICN NAME: NIAGAR A FALLS IAP NY PEPIOO OF RECORD: : JUL. I'OURSILSTI: 0900-IICO CE IIG VISJMILIIY IN SIATUYF MI1LLS IN IGE GE GE G E GE GE G L GE GE GE G E GE GE GE GE GE FEE' /4 SIB 112 5/ NO CLII c G.E zococi 4'! S Z S S8.7 ba.7 -;R.7 SP te 1iar0I b E C 59.C S I.E 16t; CI S % , f 14'coI S n GE 12' 01 Ill ? OCC01 4! t b I.E 900c # GE A'CrI GE iig ' a , 73.fl GE 6!'(J0I b LoE 5C GE it.ici T be 4, 0c 4R ! Z i 7Q.% GE 31 '0 I49.5 E y. 3 P Q GE 3CE021 sn.1 C I.E 25: b P P E "'L;01 52.S 70.; P P86 $ GE ' " R : GE 1"I UE 1.051l S q %.5 (,E 1loOCI 5-,.f 74.b AE 9601j , GE er(oi ) (;E C P G.E ( "6.5 9f4* Qfl.2 9q GE S.2 91, GE 47.39! q7.l b LE!Cll S5.? * q I.E?Lai j b q q9.9 10, I.E I co1 55.7? c(j* (,E S ' lon z TOTAL NUMPlEPF? or OSERVAION$S: 930

213 GLORAL CLIPrICLOGV RRANCH US AFLEAC Ali wrathep SERVICElAC PERCENTAGE rfeuet$c9 OF OCCuR7EKCE OF CILING VERSUS VISIBILITY FROM HOUPLY ndsl9e1vat08s STATiON NUFBER: STATION NAPE: NIAGA4 FALLS TAP NY PEPIO0 OF RECORD: ': JUL FOURSILSI: CE Lt.G VISICILITY IN SIATUTE MILES ln I GE GE GL GE GE GE GE Gf GE GL E GE GE GE GE 6 FEE: ir 6 5 al I? 1 1/4 1 '1/ /16 1/1 0 tit CEIL q ' be.cccl? GE ie-ccl 42.P, ST* $ GE 16CCCJ P GE 1f ! SP. R 58.8 S o e &E lzr CI L n GE liocc 4(6.! E E 9,,i " b S GE 8( C i ! E 7CC S ,*l 7r GE 6r Cc 5C UE n GE 41 GI n q UE.00O a.S 35371, 59*5 72., F R 82.8 A P F E 3',) P ! ie 21Col S qc6, 9C GE ZG61 sq.p9 bu S S , GE euo 60.1 l ' q (,E 1'l 61.1 R E GE 1c0!I U (, 9c ' E PL GE 7C1 (1.7 P v E &Cnni 61.7 ' q I ( q c I : q GE 11, ;e E.!E c p$ S ? LE?t S00o C 1" ' r* I q P I9. O c linj.c IflO.C IE.0 C C' t, I L i ju0 IUOc io. 30., C IOFAL NUMPEl OF OSFRVAYIO'!,S 931: 77

214 GLOITAL CLIMATOLOGY BRANdCH PENCENTAGE rrew)iency Of OCCURRDENCE Of CEILING VERSUS 5.SFElA V p -OURLY Ok AlA ii EaTIER SERVICE/PAC VISIBILITY STATION FUPIER: 7 '5267 STATION NAME: NIAbARA FALLS' 1AP NY PErIOD OF PECOPD: MOINTI-: JUL IHOURSOLS71: CEILIfi.j VISIPILITY IN STATUTE MILES IN GE or GE GE GE GE GE GE GE GL GE GE G E GE GE GE F EE T I /8 1!14 5/8 1/2 5/16 1./8 0 NO CEIL I q 2. Z 8 9.e i 54.7 " Sol S UE 2cri 8q GE 18^'0l 88.? C b GE 16rL '7.Q % 6Z.4 62.% b b cE I4r-CO 1.8 S E TI t L.E lrcc.ci f ' o GE 9i'cuI ; (,E 803I GE 70C11I z (,[ 6CLUC TA q iE SrCCU k u P I.E 8.15Q ~ !s G.E qc U F $ EE 3 u~0i ! s p8~s P G.E 3rccl 0' b ' AE 2'CCI ; q S 93.5, G.E 2r..fll % s G r 1900l fes.7 (.E 1POI)l 65.7 e r b R b b.8 6.E P (; S *I.E 1C*C0l b6.5 '2.3 68it Z 9b.1 88y s 98.S 98.S AE e C.2 98' GE ' P c GE 70nl 6.X F c qt ~ (E 6A I 66.s F b lif q ,,E clli 6,,.s F f 99.v 99.s S s 99.s 99.5 G;E 800c , sl G SF.!001 E ;1. C ,I 0,.fn , GE. 2L6 o 0.% '2.b 88.E ^C. V o0r ue C 'o " Lit CI 66.S *2.6 8A i8.0 S e V O 3om.3' 100.u 10, TOTAL IiMf908' O'SC6VATllONS: 930

215 *]) GLOBAL CLIMATOLOGY PCRANC6 PERCENTAGE ERLQUENc1 Of uccur"e C L 0 of CFILIG VERSUS VISIaLLIIY ts~rear F10M HOUPLY OSSRV*1106i% &IR WCA6R6 SE:NVICE/PA.C STAIICN NUPMB: 7727 STA11C6 ANAME: NIAGARA FALLS TAP 1,V PEPIOD O RECORD: HnNTH: JUL HOURSILSTI: 10O.2ooc... '0"* '"...L... CLELIG VISIPILIIY I% siatir MILES l 1 1.-E 6E GE GE Cr O GE G G GE IL ' GG G E GE GE 61 FELT I II 6 f y i /Z 1 1/9 1 " SB I/2./6 1/q 0 NO CtIL I 9..! be.10c ' C 6b E 1eCO 1.:2 '6., G S A 16 v ! b[ I. lgoi E ,$ b ) I ltll 1 $ z E I.0() ?7.1 L E 9 rf C S G??, , ?. & EI 87 CO 1 $ C , 80t. P bl 7' I 60.2 ( r B U E 6cc &l ? MS P ? ? 63.2.E,10. ti S.S F "'31 6E qr ci a e ' q E ' A s d 3SCh C S3.9 9b S (A 2L-1I 66.P 70.5 t9o% C c E 200I s c c Ur 16C V5.% ' ' LE 1%Cli 6b i C ' a ue I2cC 691.!C02 S.q qe.c P g8.% E 201l 69.9 pc % q. 96p. 98.S CE k.c q8.s 9R S cr 63fl1 t , 'A 7GCj 61.4 P P, AE ftcd t9.9 1C S U LE 'III 68.9 P S 93* f9, LE 9I.0i s b ? A( 3cr 6* % ?. 9%.t s *' be ZLCc 64.9 c S.L I A CA.% ' v c, IGn I ae t ba.i ' v ton.*. 1o.r I G" U toidl P.UMr-Ll Or Cf-.CkV6110PI5: sr.. -5L, o -

216 L21PAL CLI"JIOLOGY PRANCH PENCEN7GC F6CIUENLY Of OCCII6PENCE OF CrILING VrFSuS VISIBILITY usiafltac FROP OLI0Ly OUSERVAIIONS 5TATIO NU0RER: STAYICN NAM NIAG9 FALLS TAP NY PEPiO? OF RLCORD: MONTH: JUL HOURSILSTI: CC.. V, 91,1' ICS'.. 138V IN, T;r'';IL*......IL INJ GE GE GE GE GE (E GL GE GE GE r[ 6E GE GE GE 6["1" reet I Ic b / /2 1 1/ 1 3/6 sib 112 S/16 1/ 0 NO CLIL ( % r zocmi A8 1rlC : " 4r s ( ' ul( I1f6LI 55.6 l be lircls S0. 6b Z C 73.0C ' LC 1D('0l3 6C S ? * E 9rLD P M TS b.e 8tcc I b2.7 p * L.t v1' t; j :E 6rcl % x3.3 P e F I. 51'JI b ' P b f r ('GC 6R.2 1.C ,7 9.? t'c 35:0I 6,.! 1.3 6S ^, s Z.S 92.5 L.E!'CO 69.4.: C I. 2?CU t. 7 ' " r = ' ? * r 8.0 ' Z V R q6, , r ' s 93.3 S cc 10IcJ 71.6 's R (E 3rjGI 71.6 *!.S As A.L 0r3?1.( S 98.S 90.S s g(e q ? tr c U( 6..U o.Z 97, z % 99.6 be 1. I. 71.f 86. 9n." 9".q s C.[ % L P6.*u q6.q q s S E!r ' q k. a 7., 86.0C Ic G( Ic(J 11.6 P6. '; 90.6 q ? S 99.6 q9.q D ut P6.,: g0. 9% r0.0 1oo.o 300.o... TOTAL NUMORt1 OF ros0rvaions: v35 -Sr4

217 GLOBAL CLIMATOLOGY ('PANC6- P~kCEMIAGE FREQUENCY OF OCCimURPEK OF CFILING UrRSUS VlSloILzTY USAFEI AC FROM 603.LY 06S(RVAlIOI6 &IQ 81'ATHEP SERVIE/AC 57104FU7L:15281 S NAME: NIAGARA FALLS lap P.Y PERIOD Or REC0R0: MNT: JUL 0USLl: ALL I GE G GE 6. GE GF. L GE GE G G E E6 G E FEET S 2 1/ /is 1 54 f 5/ /16 1/4 a... NO CLIL b ' fl S E '.! S ? 61.3 f ) 62., 6Z % 6Z *.E 18n S Z 62.4 F, S L UE ItCOri 4r, c * A ,41 t & t I.E 12 CCI if s.0 66.C ixe i9.pt.8 63.F e r k.e 9C01 5.? ( Ir ?1.6 LE b'00i 5.0~ 63.E: , E 7-c2i -' b G* c8 60l' 5!.4 c5.0l , I.E SCOI So It so7 (It S j O p3 A CCI P $ E 3,L0 I S I.'! R E 'LOI 54) f G1.l r% S UE 2'CnI 6' f C c o E., 2 c I 61.3' ! GE 3q,(;[ ? ( ' t A0 V1 C q ".41 l s.7 9S %.7 9s.? GE 17CO I i ; LE 1' f e! &IC 9r(2 62.4i Q ,E OZI 2.S 7R C.? " b ? ue 7CO1 62: :,184. 9C: ;b: C LE(. t 0t' 62.; 'I ' ~rl,, 62.! a*j t f ? ite 4? t] s ' %, AE %oc : :993 9:: s9* ZG D I00 t2. 1S , 90.0r G ! 7q C 9' ! f s.0 'lf.9 9m.t0 q S WILL 0 61 me or 0i srruallo , " & d~fflr SRV] I L

218 z.l LLOOAL CLIMAIOLOGV PRANCI PEkCLNTAGE FREQUENCY OF OCCUROENCE OF CEILING VtRSUS VISIBILITY jsafetac rhom HOURLY OBSLRVATION5 AIR o.#nes. SERvItEIMAC!16AION NUP3ER: 72528? STATIcN NAME: NIAGAkA FALLS IAP NY peijom Of R COPO: Q(WT:H AUG HOURSILSI: CEILING VISSILITV IN SlATUTF "ILES IN I 5E ar G7 GE GE GE GE 61 GE GE GE BE BE GE 61 GE FEET Ic / I / Si 112 %/16 1/4 0 ho CEIL I el.f S SZ S S2.9 S2.9 S S2.9 6E 2OODi 01.1 O.5 52.S S S s6.3 S G.E 10GG0 i31 '3S * 5s $ '.1 I CoCJ '41.3 s3.6 SZ A.) 5 3 ss.9 S6.1, S LE 11CUl 43.S ' A.2 bs.1 SS S6.8 S S6.8 E 12rGtI 00.6 '2.4 S.S S SR S S S9.1..E 1 OCLr 07.1.s ELCI , So6 6S. 65,..E s'di 1 * n.i *( 7rc l, ?1.1 71:1.E 6.ot 53.Z E3.S Me ?.S O ,, sr 5C.I i!,. 1 S ? ? E 07.. oi '.6 69S. 72.p 7S s *.! 0LLSlj 71. I ql C E Pt Sl S g. o tq8l 88.S 8S.S ',E 3Co et Z 62.? 8i S 81T S S 8S. 68.S 88.S.E '5,7 ( C S P E 2-6fl ( P ,E 1 #.1.% Z.0 92.s S s ie Va.% : ;Ccl t2.1: ' !P 90 9S.2 9;.3 9S GE 1rI L:.r Z S ' SE L 6..r S C.6 #$.0 9S G h.s S 96.S 96.S 96.S.1?C-. (.?r? la*u S.4 96, 96,S * IX( fl0 i t2.r 's *c 913 9s*s f 'ECJ 62.r,? 8.9 i& i "JeS 9s.? 96.5 V ?.4 qt ,S 97, (.1 4on ,$ 91.4 "., VIS , 'A lorl 62.r A4, Qft, % z *is iq.? lie 7ceI t?.c % L C 'GE 30l 62.r?.$ I1 96.? 9.L c ( TOTAL NtUPpit Or ObSVIONS 0Sa --

219 CLOH8L CLI-AfOLOG' FQANCH PENCEIAT8CE FIJEGUE 99E Of OCCUR-PE.CE Of C3-ILING VASUS VISIBILITY 4USAFEIAC r RON HOURLY ObSERVA ITONS 3ta ,1(/MAC STTO 51*30. L8EP: NAME: IJIAGARA FALLS TAP '.7 PE"IO0 Of RECORD: Il-86 pow":13 AVG6 I-OLSiLSTI: CEILP-6V1!IPILITY IN. STATUTE MILES 114 GE GE1 GE GE 6 (A1 GE1 6t G 61 CE(I GE GE GE GE GE FEET I 1-9. S '1 1/2 1 1/4 1 3/4 5/8 1/2 W/IG li/t 0 ;JO0 CrIL I 3t.7 q3.u S f98.s 98.? 98.7 '.E dxec i1.b (.f WWI s.1 5!1.9! I : ,2.8a 57.9 S2.9 S (.z 1920! ; !, S S3.09 I.E S E SZ '.3.2 5!.s C 1 " LI %9.q 5 1.I 52.9 bq % SS *c ,If 10.0 '1.b 5".1 i ' '.4 6" ) ^ Sol.? * 61. l " S 62.5 A, ro Ino 64.n ' cf.! S :,E 7I., 7.9t 6! (' S 67.5 be ? 6E1 6, wr 1 97.'? b , 7.% 70.9i 73.S? It Sf3 5;- 9, I IT Y E q9 9' ( a ? ~( %C'.~i ;1.c S S!.t' C S br-l P2.S $ f.( 312"I ).9 03.r, a.$ 81S P z.e a ' Z a1.51 ' ! 86.L A rorl u. % LE 1 r,-.eli Sts.1 1.$ z 83.2 u,. 2 G % ix3 3'..21 t Pa.6 9C ' S ? ur 1or1fI IS b ? 93.S f o 87.6 SL.8& s '9.9 9 q. 9.z 9S.? 9S.5 VS.? O5.? X1 9CI S.4' Ps.? 19.. P n3.8a 93.: S S.2 9S.2 9S S.1 4c f1 7-* 55 1'? " E ;.94 9S S.7 9S ?.I S,.S 1!.g !.? ' VS.? 9S t1 '2321 SS.'? V41.9 9S.4 9' *% A G %~g' ' 93.2 Y3.4 99*5, 9S.3 9% EA t c.2 5.# 79, q.? 9S.9 $9..! 'r. c ('r '.31 S5.6 19s ! 96.h (.F S' t '0 r9. 9l.L v1. S *a.% E ILCI? q 97..r 917 q8., 90.% *.1 "". lq q ? as.., 90.S ISIAL htlv O CU 0' i: "itl IL....

220 IL-L CLIMIb0Lbv IICH PENCENTAGE F~tIJUECC OF OCCURPECC Of CEILING VERSUS VISIB1LIIV "s ifft A r8o 5814 OURL ObSEQ8AlIONS AIR d5athcrs ERVICE/PAC.TATION NLP14ER: 7.57A S 6AT114 NA*MC: NIAGARA FALLS IAP All P~qIODOf : M".NT6: AUG I-OUpSILSIO: E ILI.16 VISIEILIIV IN STATUTE "ILES 11, 't CE GE I.E GE GE GE Gf G.E GE GL BE GE BC GE BE FEET 11 t" /14 1 -/41 SIG 112 S116 1/6 0 N.o (Et.I?.9!2.b 36.6! % %.s f46.8 q4.7 i4 -Cr.I Z-. q % " *6 60. S S1.0.E ' S S0.2 %I.S O.S S0.6 60*R S1.0 (-E I f'cl '6.6 4n %b I.5 S0.6 S I.! 14"O i S1.3 S ~s s6..1 S.? S S2.2,,E I f'lgoi 33.3 IR.S , 68.9 S1.6 S $ Sit.& U.E 3.YCnl 1,.r ' ? S se S9.2 $ te '.-LCJ 34.? SS '.2 " S q CIE ""'CuI *I1 61:3 1,.2 bo.c S ? 61.9 A~ I"1')l 3E.4. 4b N.! S , A 6E0~ S 6c.4 ( t.c $1 LIC * 1 66i.1j s9.d R 70.t GC %g 01I 47, t lq %.8 16? A. #4r CC I 63.(, ?r.? C 3'CCI 41.! S I60b $ A.C cc00 I ' ' P so.$ 66.2 t4 ZI'.jI 661. S.q P9. 9 d z P f E :'Col ".; Z.j i 41.? s *.r '.rt i) 77.7 q * *.E 1, es s %.1 G 81., ? A l-l:vi $ft its.6 89.C'.. b ;.0 9S ? 93A It IA 1~ 41# , &C.9 qb.s 9C ? "O.L t, ii *1.,'I C ' ' S It 061; i1.l 91.P qs S * E ILk %F.1? ' A '06.n ? 96.s 96.8 *.I S ' I % S IA 4! V2..? Z ococ po ~9. 61, ?? 9 ' A.? 16.S r 44s.3 ' VS.? * C & I 6'.o 6p f 96.1 VS g 9. LI II s 66.j 16.1 P2.0 " " o.? %fti 6.? IA2.!! p? TOTAL IsumILp air O'SEPVAtjok6: 930L

221 *Lf&vAL CL!6A DLOG RR6NCP PERCENTAGE FREQUEICY Of GCCUMOIENCE OF CEILING VERSUS VISIBILITY LSAILTAC rnoh H0UQLY 031LPV0TIONS AIR irawiep SERVICEIP'AC STATION hup"ep: 7,S287 STATION NAME: %IAGAPA FALLS lap Ny PERIOD OF RECORO: 77-6 MONTH: AUG HGURSILS1I 1 O CEILING... VISIPILITY IN STATUI MILES IN I al GE GE GE GE 6E GE GE GE GE GE GE GE GE GE GE FEET I le b /; / 1 It/% S/8 1/2 S/16 1/q 0... NO CEIL b.c U i, 3 4Z s LE 2urcOi 'o p ! o ip IE 1 &'.13 3!?. f 1.3 q.c t q t 16-Lri! l E.5 48.! b GE ro S0.2 S0.2 'O S (.E 12-I3 35.P u e S2. i S2.9 c S S LE I C% S l S S37J E 9-C! 33.( S $ ur 8rc0 7s.c i SI,3 g'.1 6, ,.E 7L01 *-.7 't.1 3.3!.4) 6.6 ' (6t q E.f CrI C LE l 61.6 ' P E q 21l 4. b C c E 3'CI : % 76.9 'E 3C s E 69.6 F4i' f Pi A ( 2C1 5l.7 O.Z q Z.1 lp ( R8, Or I3OI C PS o.2 ' 'I 1:1lD 56.S s ) ,E I'Lrj , 87.l ;'E "Jc 56., '2., * * -.ozi 5s t NE 73C q7.3 9F ,LI! C 9.1 ' " t q5 tq.! 72.s l ja. ra.o x o0.o ioo o0,0 1(0.60oOO r looj SC.3 '".s 80.6 f F I lo GE S31 3% I03.0 i17.o io.0 ioo.u f L s In.C l'o.o IC GE - 5S It ! o) (O TOTAL ftuhpriq Of OIERVATINS: 95n -L I

222 ALnBAL LLIMAIOLUGV PkANCH usafetac AIR VEATI(R SERVICE/04AC PLkCENTAIGE rrquencv OF OCCUROE.CE of CEILING VERSUS VISIBILITY FROM 6OUQLY OBSERVATIONS 51YA810 NU"PEP: STAIICk NAME: NIaGARA FALLS IAP 14V ERI00 Of RLCOPO: 1T-6.5 MONTH: AUG HOURSILSTI: 120OO-I 0 CEILIIG VISIPILITY IN STATUTE MILES IN I fi GE GE ir GE GE GE GE GE GE 01 G GE E GE GE FEET I Jr f 5 A 2 1/ /A 1 3/A 568 1/2 16 I/A 0 NO CLIL I 1.!! b 39.1 A'41. 1 I, A.l I A40.1 '40.1 '34.1 '40.1 '40.1 6E 20COI '41.6 aq.c 04.8 q6.c 46.2 '46.2 ' , Al ' A 'E 1atOCi P50 '4.9 4A.3 AS.2 % '6.6 A E ' A ' u.e 167C '42.G 4A.A '45.3 '46.6 4L.? A. '46. at& ' '46.7 ' 46.7 '46.? '46.7 A6.7 '44.? AE 1A':OI 37. A3.A AS. '6.7 '4.c 8. Z 'C.2 "a Al.2 A8.2 A A8.2 i.e 12r1CI 3S ' I ! I S! S ix 2COOf '1.1 A992 6.'Z S:% b SS.b SS SS6 E 9!'U101 A.9 al 53.1 s , A A a S?*, A A 5.A 6.E dnl C A/ ; I.E 71l Al*.!3.2 s , :.S S 61.5 *.. 6C01 t ,9 61.A Z, (E SrO)I A(.I A A.2 6A.8 bs b AC ' A.A C 6P "E q1o 50.S n ? (E 5u1 56. r 6A I b je tli 56.C P2.4a 87. F F 82.4!,E /r1! P P R G.E 2'01 Ef' A g n ,E IP r') 6 ' PS E I S4.L % '4.? %.? 9A.7 9A A( l:1,01c 1.S P 's q6.0 9f..C te I, L.I (2.O A A P ,.E oo1 6?.? U t 04cn 0, S ' , s o S S 98.s 4 ce 7n Is r GE 6[ C le. 9P S 99.S s 99.$ 't ':'!l 62.2 p s ', ' I,[ 41UO S 98.6 q$, o IC : I' q S IrO.C O.0 100, A , " 1. I 96.5.b Nt, u.0 1, 0 I 20.0 ICO.0 * CE IrI 62.? ',. 86.b t "8.6 V ,0.0 1 *0. IO0U C :A 62.2 PO ;1.? % 99.e I0.o l01.0 I o.0... TOTAL NUNREP OF O'StPV%TIOIS: 00

223 1LUB8L CLIPAIOLOiV SRANC8 USAF EAC AIR *EATHER SERVICEIMAC PERCENTAGE FREGENCY Of OCCVRPECE OF CEILING VERSUS VISIBILITY FROM FOURLY OdSERVATIONS STATION hump(r: 7Z5287 STATION NAME: N11GARP FALLS IAP NY PoIGOO OF RECORO:?7-66 MONTH: AUG HOURSILST): IS ILI 6 VISIRILIT, IN STATUTE MILES IN I CL GE GE GE Gr GE GE GE GE GE GE GE GE St GE GE FEET I /2 I 1/4 1 1/4 5/8 112! N O CEIL $ 4*C P ('r?ic E b s6.c t,. ISrool 45.1 c S S S S S LE 16E Eirj 051 O.b S ! E !1.6 5S.5 S S b6e lrcal o 6C L bu.6 ( E 3I % b0s GE 9001 SO.P C E 8!Cal s?. 6c.s C O O.5 7oS A;E 7CtI s E i 6e ! ue SCC0 I 59.C c 7S E f, S 81.5 ' S S 51 10: t E 3t cr A (,E 3'LOI * r , C.E Z5.I 60.7 ' A A. acol 66.C 76.S S S S.2 ie i3e 's.3 9S S s.7 9S S.7.E G S.3 1& L.E 1 " S b I:ooI 66o7 R q CIE 9c ( 01 LC *, GE 701 (' S 97.1, bf b CC I 66. 0C 'A '.'I 68.7 * C S I.S S S.5 0Cr k 66.7 Z ' LE 'G C 66.7 q "66 v r.01 L6.7 p " ! I.E 1 IL I a qves c E i f TOTAL humotp or ovsp88at3o68 930

224 ULOBAL CLIMAIOLOGY BPAt.Cf- JSAVLTAC AI1R 6EATHER S[RV6ICE/AC FhcFtTAbr FREQUENCY OF OCCt'RPEfPCE OF CEILING VERSLS VISIBILITY rf0m HOUCZL. OBSERVATIONS STATION NUPPER: 7Z5287 STAT ION 1IJHE: N1A8(ARA FALLS IAP NY PE'TOO OF RECOPO: MONTH: AUG HOURS(LSTI: IO'-2000 LEILIP6 VISIPILITY IN STATUTE MILES IN I L GE GE GE GE 16t G L Gr GE GE SE GE GE GE GE GE FEE I 1' / $116 11/ N0 C[IL I 3l.C ;U.8 51.? Sj ,E r 0i b 57.c 59.7 L C ,E I8rc S (. 4 b0.q q FE 16'C.31 81, #. 6.Y i1.9.,I C c C E 1 -LC 45.7 SO d % 63.8 L07 1ZCOI s 60,3 6z.0 65s A5 I:,tulI 91. X E0 9CrI 51.q "r Sr : I S'.] S?6, (.0 7'13 l!4.7 s.5 ( s 16.P FP R A E 6L R C q o I.E -Ct 15, 7, e P4.4 8l.% C F " "r 8rL3l 6C B S R ,r 3,L' I % o9.7 91E. I 9? q 9n LfA 3rcit tl A q S I.E 2' C , q% f! 2C71 C2.e P S5 9S.5 9s.s 9S s.s E I-I JJ I t.1?s.l ao S u L E0 ll'l lb C v LE.' LCI L. It 7F Se S ? ,, OCetl (3.8 7J.7 8S Q S q LE 1; ui ( P.5 99.s S 98.5.E F Pl c 'A p LE 7cmi , b, 98.'9 9d q9.1.e f Eq 67! ' : 9.2 9q 'L"I (.E ".5 79.G '. 48: L 8S b. ( S t ' 1 6! t, S.7 9F L 99.S 97.C A. 7L.1 6. S 9j ! s d I %.7 OP.C 9S R9P IcO.O I63.S b o llo TOTAL hum r1 o.0 sr$va/ions 931 I.. L I 6

225 F.LV3AL CL!PAT(LOGY IFANCH PkCETrAOA fkfouency 4 OF OCCU6VENCE OF CEILING VFRSUS VISIBILITY JSAFETAC FROM IIOURLY nbservai3on.s,w.14*iati-erl SRVICE/MAC A ATI r( INL ''ER: 1757t7 STATIVN NAME: NIAGAFA FALLS AP :Y PERIO0 OF RECORD: MONI-: AUG OURSILS7I: V VISIILITY IEILIS:, IN SIAIU T,ILES I LL. LE Gr GF GE GE GE GE Gr SE GE re GE GE GE GE GE FEET I I l14 1 3/4 5/6 112 S/16 1/ jo CLU I, , s AC 2 l1 96., p S8,7 tp.o C I lec:i 96.r, ' C rl 4, t CL.9 b b l. 1. C1 4' L ? LE 120 l 9-.7 rh i S ,4 I.CrI I. ( , C ' te 90.01, 62.8 b E 3r. ( , , 7J 1 D F C 76.b A E L ue SVI!-.I t : L A , 1 'cc I E7.! C.3 6! E 4' 1.? 7! P ,f E2. 4 7!.7 79,7 F4.G 87.1 t r, S ' ' 81.5 F6 J C F. LU 6I.f * P6. 9" s 9T %,! 78.7 * A S I !.j Pk, A ' C) ( Z L A 1'(31 C,.? E 97.c s A ir 90i 65.7 qc.3 a5.2 C R L. ' IJI f:. r 2, LF 1 6,. *,b. 855 sc So P r 4' '1.L 85.9 Q b.8 9p C (6.3 P b a 9p.s * E ro (6.3 n , '; q8. a E. 6..r t,..! 1.. L &6U ; C 99.? 99.C , ;E LOI 66.3 P1.L 86., 81.,.,5.3 ' C 99.9 Q9.5 9q E L " C6.3 I kl 86.C Q C , E L I.L 86. " q7.( 9C.7 09.L IOG f,f III t6. y f c c A AL NtPEP OF UVS[PVATIC!4: 930 LL

226 * ulo3al CLIMATOLOGY 'RANCH PENCLt:IAGE FREQUENCY OF OCCUvE9CL OF CEILING VERSUS VISIBILITY 5AFE1At FROM HOURLY ObSERVATIONS A.1 6EATHFR SERVICE/144C STATION NLPREP: 7252b7 STATION NAME: JIAGARA FALLS IAP NY PERIOD OF RECORD: MONT,: AUG 'OURSILST): ALL ' L I1 P4, VISIPILITY IN STATUTF MILES I-'. I 5E GF G E GE GE GE GE GE GE GE GE GE GE GE GE GE FEET I IP b /2 2 1 l12 1 1/4 2 1/4 5/A 112 Si16 1/4 0 f.o CEIL I b R q LE 2rCCl 3.T "1.E c , E 18'ICrf ! f E 16"Lr e C LE 14'r 4j.! b 55, *5, S5.4 5l C 12oCi I [F I Jt Lr 44.4 s3.z 56.5 e U 62.s , E 9 J,! 4!.7 '4.4 57, ( GE 8',X 47.r E 6.e i (,E 7VkI ' b b ' C(CD Q ue 5^GGr I c ' f; I ',.2 64.u C :9 40Z ! ,2 do.4 R SE 3301 E5.2 6R A, 3 "! I 5C P R p7.3 IF l5''! b P A ' 89: ,E Zc C IrL IL P s ' ' 1 S. : q,: E 1 ; L 'I oU S ' E If C I S S ,E 9;i :I ' , F CC I P d A E Icrl S E go uie,."i ' q Q0.c Ie 5L.J P C n t.e Lc I , (.E!CI 5,.P 7S , ? E P Q , V9, ,F. 1 r a Is QR, , E I ' ,0 IOYAL KU[PLJ OF GPSENVAT2OfIS: 7440

227 LLOBAL CLIMATOLOGY :RANCH P[kCLtJTAGL FkEGUE9JCY (F OCCIPflPENCE OF CEILING V8RSUS VISIBILITY US AF 7LFROM #-OURLY OUsL.ITVPIONS AIR CrATHEZ SERVICEIHAC STATION 9UMER: STAITION NAML: 42AAPA FALLS 1AP NY P[02O0 Of RECORD: M0NTI-: SEP POURSILS I: OO CE ILIpS VISIPILIT IN STATUTE MILES T; I. I -. GE GE GE GE v GE G GE GE GE GE GE GE GE GE FElT Ic b /2 1 1/4 1 7/ /2 5/ %0 CElL i 9A G. C o (1.9 so, ZCCLGI A# 3.8A 5.3 s2.r S2. 5! S. S A P U S * UE 16 7 C3l 1 43.P 9c.5 52.C S2.4 5! q p UIE 14-C '11.? S UE 12-o 44.9! S S A. ICC] 47.4 i A re 9-I O 9a.8 '6.C 57.7!8.Z r UE Er'1, 3, C 62.U 62.C Z :,E 7-C (], o, 6CoO1 52." (Z *E rc02 S S fr 4SLI , 6b j c SE 91c10 Se.n A. 39-CoJ 6P b. 3C C R P9.G P E 279It1 1? SE?'OII 61.l GE S 1P,1 69.! 'S A[ IVCOI T (E 1:Lot 69.2 P I'. I'101 t6.9 ' ?,2.3 9! ,;E v L1 "CC 6.9 P C ',F 711" L 7.*C c 91.3 q LE f, ' i.8 'L1I s SE 9C 67.1: b C Z r.e I.'I 67.C :2., ? 'I,E -Zcr P (1E 1L c e 92.9 L A -i l7.r -2.L ' c IOG.0 * * * TOTAL NUMPI" Of O"SERVIIONS:

228 GLZIAL CLItATOLOGY BRANC- LsAF IAC AIR 6rAT-ER SERVICE/AC PERCENTAGE rrequency OF OCCUPPENCE OF CEILING VrRSUS VISIBILITY FROM HOURLY OBSERVATIONS STATION NUPRER: 7:5Z27 STATICN NAME: qiagaka FALLS I AP NY PERIOD OF RECORO: 77-8( t. MONTH: SEP HOURS(LSII: 0100.OSoO GE ILI%6 VISIPILITY IN STATUTE MILES 1. I GE G- GE GE SE GE GE G GE GE re GE GE GE GE FEET I In /4 1 5/8 I" / rjo CEIL ' U R q LF G: l C Z ,7b E 460co c ? ! 30E l : C 5.C c c I o I ! Z (,E 10( O D GE LE 18rOlI 9rcl 439.3!. 7 r7.9 '2. E ~ S2.C S, 2 70S # s8.3 GE 3'I S S $ S ,7. 79 : 6 50 : A 60:.,P : GE 1I.0I Tb Z E 5c C6.7 7o L [ L ( U , n *.E ? *,E 3$ E 3CU c GE 4r q , *7c GE 2' 1. C, l2.6 8SC F bsc Pa, I 8., 8,a.1 63, G,3 GE r.2 F3.4 85, a8s. B88,7 FIR,. 8, te GE I! b C E[ I.-C( , "C GE 7l ncrl 62. r P G ! !.? Q3, % ,% A ( C"I b6, R7,1 09,e ue?cc P7, , 94.c q, ,E b~ a o 2 93,3 94.q 99V46 94.e S,0,E 'LGl go.? q.7 96.u GE It CO pfi q. 2q~ ,7 9b-q 97.0 # ,2 97,61 91.% GE Z q C " l,e -L 62.,! P q4. 9" , $ 98.3 Q6.3 98,6 99.4,E 1rl q q4.4 9S d.fl GE e QP.2 9R IOTAL NUMBER OF ONSERVATIOtS: 9L( ] CL

229 0L2(AL CL1IPA3OL0(. PRAIJCH 6( F.E(.UENCY Of OCCURPENCE OF CEILING, VF8105 VISIBILITY LSA I fa t 7608 F01909 OL-SER981I66 AIR ER SERVICE/MAC STATI0N NU14'LP: 7287 $TAT 066 NAME: NIAGARA FALLS TAP NY PERIOD OF RECORD: PnNT16: SEP NOU8SILSI C60OsuC I N a 7 16c G E GE GE U. S. Gr GE GE GE G6 GE GE GE G E roll I ic C ,2 2/ /9 1 1, 5/ / CEIL. I.; %L '* %!'I3.R b 4%9.7 # A 20G01!7.' ' j.9 a # c l6"occ j2. r " ;? t 48a ~ q I.f :t!co 1! U "; c '49.3 ' t 99 U~ 14'.AI C.c ' f ' Q so.1 ufi: -,'-J!3.L S, C , S Ln 39. P , 98.d S q $'.? S3.7 S3.7 S ,F 9r2c 1 3, i S3.7 56is SS. a S.0 ss S5.6 L, 1-8r,,C 1 35,.% b % (A I'LV' C 58.1 F ,E (,' C' ! IE 4sriaic'i. 6. 1i b i , SC f n (5.1I 65.' E E. %-C s8.t c f ,Z' 31 ' 7I 9r 'f~ Srtrl ? ??.9 1P ,1 2' LrI * ,3 81.I *.E Z U R A tot I eo I s'.! 64e s R5.9 8'.? E0 U I J46. L,,.7 a R :! 1C"j S " ? UO Y' 01 I6.( f " t6.4i p (3.7 9n ,E *LZI ;6.51? U 63.0 ' C.1 9L (,E V L'! G a?.9a ? ' "r 7U: q A7. 9 9c.1 91.e 91.r 9Z c ,f t Ur ' " 92. A 93.0 '3.8 y" ! 't p P '. 6 e65. 9L (.E,.r 14,;r "c 51t ac pd. 8.0 'L ' s.7 96.r ' ,0 7C.C ' :. 9L p UE 3.1 5! K 'ZL S Q f.7 I p n (, ? T01AL %UPLE') OF 0'5%fkV61f06NS 430L

230 GL op0a t CLIP-4l1LOGY 96 8 dc6 P[RCEJIAE 1611,LEI1CV VF OCCL',vLt.CL OF Cf'ILIN. VERSUS VISIPI11I9 'S MVAC FR0M 60U"1..Sto V NS if11.!ai#hfr SERVZCE# M AC.3811(6 humllr: 7:52V, SIATION AME: NIAGARA FALLS lap fy PEVIODOF orecord: MONTP1. SEP I-OURSILSII: 09G0-110C... CEII- 1311S 35P1L111 IN SIATUIt MILES V. I 3 GE GE Gr GL1 GE GL GE GL GE S E GE GE GE GE G FEET I ir z 1/2 z 1 L12 1 1/6 1 t/4 j/8 1/ JQ /16 11/6 0 i60 CrlL I31.9? ; 4i Z.4!2croD b 4, l46.X 46.~ b ~tti B161t 34.r ? 66.2 of. 3 ob. U 6.* , I L 7 U 14.0 n u;.p s.3j b ,,( 1-4: OL % ! % E 1' e sj ? c '. I 3CCCII V.6' C 63." 53.1 S3.1 $3.~ 1 S.i ,E S ' lW 8 C:: 66 C 2c 63.6! b S SI.z 57. Z 51.22!,F 7r ZC 6. ~.9 S55.2 S.U 66Y.1 ' '.a 5p.9j a I." blc 63 a S sy2 S b.6 bj f SG 's-61 i.e fts00 I 69 '7.C S C 66.1 S b7 65:' f6.7 :': : C 6.7 be 4'CCI 664." 1 r f E. f P r 3,V 1J c C *,r 3UL 1 S L b 7S S. 5.9 UE 1'. C~ 1 $ C 60.C 6' LE i'z Lc * p A LE I 1'L b F4, F %6.7 ' j. V' CC I s". ' t7.14 6l ' e6.2 8.? 66.2 Lr 12co p i 9rl L L VC01 ('.1 76., 82.1 P ' ? z1 f-.e Q L., ; C 93.1 q % t,( f c'i 6r,.6 77.c v!.z : qf ue 7Qv I DS.31 9S., 6.Z 9S S.2 LE Co CI ? 6A.! r S LE. I i %b. 6 56f a?. 3 ' o21 6V'.? ] b F "6! j ? LE ^CCI f-l b b (.a d CE I LC 6%? u r 99.6# be r c1 f3'.? sit.( b OTAL IIUNALI Of 01SEIV61106$. 9L0

231 (LG;AA CLIIOAVOLOI, 15891'I'ICLNYDGE rk('.ue9cv OF OCCL'RRENLGI.OF CEILING versls VISISILITY.S* ILI C FROM HOUR LT 05R u A[9 R a1i"[ R5ER IcElmO8C 7, NUPPLP: 1,'5287 S TAT1C%. NAME: NIAGARA FALLS lap NY PEDIOD Or RECORD: MONTH* SEP HOUPSILSTI: rl 5 GE RI. GE GE GE GE GE 5 L GE SE G E GE GE GE 61 FEC I I c / /4 1 Tj% 5.8 1/2 '/16 1/ ,0 CEIL I3.V' p.b! qg ,F. 2 Cr L-, 33.t ) F ItE ICLcl , f 43.6, % ' ,E i#bl) 1 3! b '09.1 9& '#%.1 %'A i~r I arcc 1 3q b S *GE Iz'cuI b ( A I COCC I j. - ' Z 5,.2 so.(, 'u. a C.8. SO. a s0.$ * GE 9rLC'I J7 I-c S s '-1.6 S1.6 S C *',E 8 ' La 1! )2 49-4' S ' S LE 70'C S E6 55.0,5.2 5S 'S.2 55; GE L' en 41.E! su S S6.7 Sb ?.E 51'C31 49 E S C 6'J br * GE %1-23 ' AE 95(3 Lo17.9 C n S S s.7 6S.? 6S.7 LE 3' Lf) u ? GE 37. L' ?f.% " AC Z' UOI t'.( A e $ f ue t l.8a to ' 88.? 88.Z E 11- ZC 6 ' L C 9.0 P *'o GE 15un q) *ue V.??2.3 S7.7 9C.? ! #9, % % %. b. LE I C, ' (A 5(.6.,E L %b A $ c Q5.e b 9S A f-1, t6.9 P3.1, GE 7?Gal C6.7? ' 's CCI Lt..7 ' U ~ ~E.Lr c ? LE 41 L r ) *.( 16n L6. 7 PA... 9fl R GE,: !%0.C t0l.o ica.o I-E 1,CI 66.7 '9.c 9fl.3 ' S no.c 100Go I' A. t C , IT0.c ICt T0TAL NI.'P1PFR Or 1( : 9,t 'p

232 GLORAL CLIMAIOLOG- nranch PthCLNITAi FPI7UErCY OF OCCURPEKC OF CEILING VERSUS VISIBILITv USAF IAC r ReOm HUqLY CSC. RVAloNS AI WEATEQ SRVI/CE/8C T3I ON LP LR: 7.57b7 STATICc NJME: *AGAt FALLS LTp P;Y PE0100 OF RECORD: ON9: SEP OURSiLSTI: 1SU E1IG 'I"o ' ' goe m0 'I0 1LX '4 3189~01 ILS o ~oj 00''00 ''0 '0* IN G GE CIE 5 or G GE GE GE GL GE r GE GE E E GE FEL i - S 4 3 2h /2 1 1/4 I 5/4 5/ /16 1i/ 0 NIO CEIL I, r I p;.6 4, i 4q E. 14'S.CI 4' % c, o o l SO , S 51.4 c ur 17zrI 47.R r 10 IL S r.e S S S P C 67(.'JI 4 4.( 6.e bi b2.4 62'. 8 b b t *' 7riol 5r L % r.! 6rCi E, E Sr Ca E '.E %tli i Q U E 4C s n GE LE 3' LC C C 74.z F5.1 F L. E 2SCr 1 ( b n.7 8O I.E 20U'1I V( P9.8 ' a E: I P - 6R.7 a I.E $ q ue 17ur 1 67.A Z q IS a uc ic P3.2 b u Z 9b E GLI t.9 A ;3.2 d f GE R57 v) ' SI Z C Ps t SE CLO 70. r s E.E 'C Q ^ t n it b 31 7,.1 P S nt ('. 2ZoI 7a. I 4.C I E I 1 7C.1 '4.0 b LE II 77.1 '4.0 d lo.0 IC J TIAL NURLPOr 0 OnSERVAT ONS: 9.0 L

233 1LORAL CLIr401OL06T RRA-:CH PERCLP!IAbf. r.equency OF OCCU'&"ENci Of CrzILI'. vr'sus VISIOILITI VS:FET8C FROM HOURLY ONSLRV7IOS A I h r vner servicie/aj tim-lr: 71S' *I NiAcARA FALLS I* AP NY PE-100 OF RECORD: : SEP I-OU'.SILSII: LE IL ING visil'ilit IN. STATUTE MILES IN 3. 5E GE 6E GE I.E Cl Gr ULt GE GE GE GE GiE GE GE FEET I :" i , ; 1/6 1 3/6 5/ /16b NO 5 ElI. I 39.f I* % ' CE U~I 6'. '.6 ' ?.6 '2.17 5? S3.() F l6clfli 63.' ~* L,.Ll 1.u!"..I C % LE Itfli'0 I r J. 1 $ '. 51.'1 5 3 :6 5 3.'. 53. S S' 3.4 LE 1'.r z, 4.c cj.i 62.0 C3.0 S4.7 b' U SS I SS. ~S.1 ue 1021 C14' S3.6 5'..d 5b~t'6.6 6 se % * S j1 12'ccI 43.',! S u E 9CL 8 'I 5Ct.( C i ' Sccul I. I C bs.o b.? s t.e 7r1,cg ! ( D.-oi S El. ' bp.i E sre s 6? e b ?1.1 it *i.e '.- GIl S.? C ?%6.? ?76.2 I.E %-~7 L 1t7.4 E FIE ! AC q E. sroo ' s.8 66.' A ?.0.8 V!0" ' $ LE. Z2 CC A I.L j, 3'f f '7P.' ,[ Fl6 0I i. 6 ' S E I'! L 63q.7? a ' X i.? %.0,E 1,)"r 0 6).6 0, !.8a S.C 95.1 QS S LiE 3:I69.6 F ' C S.3 95.'. V I.E l67.t q! ?.'- Q3.9 q -, S.8 IS.& IS.* IS.* ItE 1LU u p6.% " GE fool fl.6 P%.C a E '(' ? c &CCI 63.t ? CE! oil 69.6 e q 'J ' ' G.E 7Ca1 69.t C (.b 9P qq *9.7 % I.E 2001 E9.(. 86.s '7.3 9G.4' ( ue C C.'.I 16.9 'L a (0.0 2GO TOTAL k06813 Or O-SfPVATI8.St 900

234 [-+U LLCdAL CLIMAIOLOGY PWANC1- PELfCIFITAE FRLE 6 UENCI OF OCCURQIICE OF CrILING 9FRSUS VI56LITY" S*AFLTAC F610 IOURL "dslrvajickso AIR bf AI'lLR (RVICE/PAC 7ATIOpN MiatPEL: 7'92h7 STATION NAME: NIAGARA FALLS IAP NY FP-11O Or 2 00: ONITH: SIP 64URSILSTI: U,, U ILI'. VISIBILITY IN 5TATUTE MILES IF. I CE 61 CE GE ( G[ G E G, G GE 1E GE GE G GE GE FE(E I 1r b S i 2 Ili / 5/8 112 /16 1/ C[IL I q8.6 9.b G c S2.1 Sz,.2.1 S2.2 S2.2 ur ezcdi.' ci.7 5J.1 2.6!3.9 V 'S S ? jarc I -s.! S1.1 S Ss.! S 9.6 9S.6 9S.7 SS.? LE 16-'fPl 15.4 Sc.b St.e !8.6 S.8 SS. 7 9S.? 5. 95%.1 S9.? A r I80L S.? II.1 I i T S6.c C ie l7r-i k. S t ' S.9 S ,., 130rc,0 (,r 9t1 %Q* I Se.L 99. S p; z.1 6G n.9 6i, E 8^U1i S ? 6C.? , t E1 I;.L 'r 6' LO , C b7.% 67.8 *r ti Le I,6 6I7 b? q ?1.% 1., tvj 6C ?S.O 7S S.2 7S.2,. ujr L.7 7'., ?p ,,' co Ac E (.r 3rG ,.3 62.v b.6 P P a '.J VoOI b ,.1 s '9.8 6".t 89.6 %9.? A ur Zor G. 8s A ti IUCI ) 8.1 P (Z ' c 93.r s0 91.~' ( n 2 01,9, V "r 13 n i.8 V q% S.0 q.0 9S.1 %%.1 0E Yc" t ! S.1 9S.1 L E I C 9S S.z 99.2 LE 12 6' ! s.4 0S.1 9s S.? S.6" Ll t ;] 69. ' S V LE '1?I t; r n' 08.c %. ql2i 69, %.1 9.' q.3 90.? ,9.9! I I t 9.1 '1.t q C.C 69.1 ' ; 't V r Y H r r Ito 18 p3. 6 e d? % 98.' ' ' TOTAL NUM14Lt O OP5RVA cL

235 '-L fa L CLIPIfA1OLOC., 78A46 F[HCE,1.L. FRLL[EP.LY CF OCCURRlENCE OF CEILING, VERSUS VISIBIL.ITY AC F k0om O0RLY 113 SLPV ATICPIS SAI 5521# PA NAME1 N1AGAq FALLS TAP NY PEIO0 OF RECOPO: :: Ir rc GLr. GE GE 2E G GE t G5 GE GE GE GE G NO CC IL I 36.C A$! %S 'ec b bI f.e -OCCOI 14J S 50.6 sf sc0.7 LE ISCOCI1 39.C s0.(. ST ! ".6 so C I ibr oj! B S ?.S ? r..1 S 5.? O17 So* C.9 v. i117l.t 139.8F 116* S 5I.S YI LE 12( S S S ut' ICCL!"I %3.1 t b S% , bS 6.5 S6.5 56i %.a Si ,E atoc? 13.8 '% b32? c?-cu r, ? il GE 6601 %46.2 1; l Lr# x s061 r,.6 a ' d 65s.. ( R ,C 1'I C b 68.3 C n * ' :GDI S4.r '4.4~ f ?? ?'.S S r 3,rZ s ') 7f ~ ,E ICC5 b S b0.c e1.z P GE5 ;'Lc I 66".8 as sl' s.3 8 P LE 2-C0oI (2.3 ' P P $ Q o.7 s E lc: : : :66 89.:6 89: C t S go E I; 0cI 6%6.r S 87.6 a C IE zccol (6.3 ' '2.1 ' t LE OL01 66.? 79., ' ~ ;.$ M P S.1 9S.?' t566 '.6 9S O s 95.6 rc '65l S N12.2 0% G ', b U* 61 1C 611.6!: ' q , IX :("It *I.; S3.6 gs is it! 6!l1 #4.6~ f 4.2 q3.5 9E.6 97T., 98., P '.6? ".S ! Ir Ira 89.6 e s ! i Cr " ip ! A86 66J6601 Of O"SrAVAIIiNi??CC

236 GLJOAL CLIMAIOLOGY 4kANC4 tsafetac I1R WEAT?P SERVICE/MAC PEkELNTAG( FEEUUENCY OF OCCuRPENCE OF CEILING VFRSUS VISIBILITY FROM IOURLY OASLAVATIONS STATCN NUMBLP: 7752L1 STATION NAME: NIAGARa FALLS IAP NY PERIO1 OF RECORD: MONTH: OCT HOURSILSTI: C LILIP.G VISIBILITY IN STATUTE MILES IN I GE GE GE GE GE GE GE GE GE GE GE GE GE GE GE GE LEE I 1i L S j /4 1 1/4 5/8 112 S/16 1/9 0 %0 CEIL I 2.2! ! ' '1.9 '1.' GE 200CO ' , IGE /Ol L !. ] "3.3 Go 1600uc 3b b , ue 14r ( C E '9.1 '19.1 '194 1 ' '16.3 4,r 12r CJl J, '12.3 ' '01. 6' '19.8 LE 10lCG 'C1.6 ' ' ' ' '7.3 ' '17.5 ie 9cC0I L " ,6. '1 6 '8.6 ' '18.. A bc0c 93.3 '7.5 9P ' sl ; IE 7( L- '1S sc.3 S Z E 6'o0 ' U S ' E S-rol ( Z t*ie 4!CO 59. t BC ' t UE is c % E 3'.Llo ?C E 2CC p, b6.I uf 2C00j b ' %,E 14Ll 79.S AZ n Z f 1SL u e E 12C S " ol GE ICC I E CoJ 7e , E 9L A9.6 87,1 8b.8 9C.P !.S 91.S G( 7OC 75.7 Pq , qq ,E C CC1 7T Z c 99.0C ' ue ".On S s ,E a T 7S.? ' %1.7 9z % AE 3.C 7S.7, GE 201l ? q up: 1.CI GE ni P loyal tiumli ef Or-SEPVATIO4S 2 930

237 -." _ II CLObAL CLIIMAIOLOY FRANCH AIR.EATHEP SERVICE/MAC PE[CE'1 AGE FREGU[NCY OF OCCU41P.CCE OF CrILING VERSUS VISIBILITY STATION NUMqLR& STATION NAME: NIAGARA FALLS ZAP NY PERIOD OF RECORD: MONTH: OCT HOURsILSTI: IN J -E GE GE GE GE GE GE GE GE GE Gr GE GE GE GE GE FEET I /4 5/8 1/2 s/16 1/14 0 '40 CCIL ! I.E 2vl! 1 35.s! tin b 41.S GE Lrnl i5, S '11.8 U C. 16brJi 35.5! ce i14,ci 35.9! b CE iir'oi 36.1!9.2 0.C 40.8 'At.% 4.b s S 142.S L.E 1 ro0l 3A.q q GE s b A.. 7CCOI %8. E 06COI i Q I.E 5Co Sq GE 14'OI 52.8 S E S E qcfuol IE 3!Ol C GE 3rd ? E 25C': !.O k F % E 2UC 72.5 F C S 87.7 [ 1p9ca 72.8 R R ? *.E jdjc 73.5 P P q CE 12nli 73.9 P P S GE 1' P '1.4 (, E 4G.I?4.2 e L G.E E.& f S u' % v LIE.LV LE Cl C R (,E 1o ' C 92.t S.6 GE lcd " At 20 L t *E 1o * L.E ni?*. ' TOTAL NUNPER OF O!SCRVATIONS: 930 r '9,

238 GL :WAL CLIMATOLOGY BRANCP PERCENTAGE FREQLENCY OF OCCURRENCE OF CEILING VERSLS VISIPILIT USAFEIAC AIR rfat"er SERVICE/MAC FROM FOUPLY OBSERVATIONS TATIOf. AUMHE:v7E:/:7 STAT10N NAME: NIAGARA FALLS TAP NT PEPIOD OF RECOPO: MONTF: OCT 1 OURSILST: OC LE IL I'.G VI$IPlLIT7 IF SIATUTr MILES IN G ol GE GE GE GL GE GE GE GE GE GE GE GE GE GE GE FEET I,, L !lQ 5/8 112 t/16 1/ CE L I 23.2! S ! L. 2:tCi C! b E 180CC I ' !E Z o LE 1 L o Ib!,.q S.,, !8, s 39.F %0, UE 1 4C 3-.' li it.4!8.& Q nd40.o 40.3 O.1 4O UE 12"J I1.4 ' !1 329.! C I '.C UD 3 3.P F ? q q] S 415.i 6E 9rcol 34.7! S E d r. C C I 35.P 4.c E 7lCC I 3S' n GE 6rou , SU.2 E $EC ' b p 4. 7 S.1 S q.ci 46.1 F b n.R I 4 rui 4.0 r j b !.E 3 GI 17.9 Q.9 6Z ue 3rCI C (E 2-.CI E 21 CI ao. 1 ' R H G.E I'..C I c b4.2 p.q p E 11ic 1.! o C 86.% A A b.3 i. I2C 1f R ' C 8A R orit S P2.2 6S n CE QCc P2.3 8S Z I. FC V 6, ' E 7L I ez.o ' I.E 6?I 6I F Fd.8 9C S U. 'I ,C *,E 4 "I AS.% r T.c q Q4.9 9-, S 'A zeci I A7.8,. 2.f S.1 OS GE 1cr ,5 80.! ql.3 92.q 94.Z IbE i5 6.S.7.3 A )js ' TOTAL 6.UM"Ll Of O'.ER : 430L

239 F PT]r LLE CLT"ATOLOLY n;wancv PEICL';TA(I Ff;EQUENCY OF OCCtIPEp4CL OF CEILING jeasl'5 VISIPILITY L& I. A ROM HOUPLY O SLPYATTONS [?=[=HFHSEPVI(E/MAC -IA T NO;c: ION N NAMEH'. NIAUARA FALLS IAP PEE00yFIRE/ MONTH: OCT HOURSILS3I: o... LEIL l' VISIPILITY IJ STATUTF MILES I I, L r GE 6E GE LE SE GE GE GE GE GE GE GE GE 6E FLLT I 1" /2 1 1/4 1 3/4 5/ /16 1/ '.3 CEIL I Z-1 ' S.4! (,E.u S" ' ! ' u ' ! l 4n r ll"col '. ' L q ,E i4'pl 3. 38, 3, ' LZI 3'.' f E, 120 c b b 46.6 "S Y, 4L 3 q P 6b.O 4A (1c - C b 5C.4 W.e L ,f 7'LI F (. L -LrI 4Z S C r %tu0c f 46.0 ' ! S ? ,E CL- 44,P '4.b 571 S9.6 b b S ' , c r :r(01 55." u ;.. CI sc.e EQ '. 3 7F 'r'i! bt P..6 P d I l I t f' P5.z R5, I I 65.4 '6.., 79.9 P94b I ps l[ S S J.5 ', E 4lc1I (E ' S 92.5 "IE 6A.6 78.C q t1 f P A?J I ( '3.7 91, , II ( i P ' ; L: i 1 6.? 78.t UE f'ci s ro t.. 7 id a b :;r f S ' I I 46.7 ' P , ? a pa e q TOTAL htreg 0F O4S(RVATIOdS: 933,

240 tlobal CLIMATOLOGY IPANCH usafeiac AI.IAT9EP.ERICE/HAC PEWCFNTACE FIECUENCY OF OCCJR89tCE OF OFILING 9RSUS VISIBILIT5 FROM HOURLY O6SLRVITTONS *. STAT1ON NLPIPER: STATICN NAME: NIA6ARA FALLS IAP NY PEDIO OF RECORO: 'ONTP: OCT 1OLSILSTI: 1200-I4C CEILI, VISIhILITV IN STATUTE MILES IN I GL GE GE GE GE GE GE Gr GE GE GE GE GE GE GE GE FEET IC I c! z !/4 5/ I4 0 I 0 CEIL 37. f 3.Z 3'.? ! r,e 2Or CJ 34.3!1.7 3P* !E LE 18'3CC !.3 3A ! I,?., S b 39, v.a E 14C GC 3! t., q q.9 -o A0 I (,[ I r cr Z ,A6 9CC S i(0 b3u q LO 77CCI C S * r 1Ccl U S D 52.C 52., E S ' '".CCI a.z 598.t l. I 6, S 60.5 b0.5 6).5,, 4r L21 S ; E , 64.G 64.C ,F 3'3n3I 57 t E0 3-0q1 t S E roi b Q b P s , P f R LE j9 ICCI 7!.E o S ,c Iraqi b ,3 (.E 12[ z uie ItICql 74.7 P , ',E 9Cr E ? E PCQl (. 7L P 's, Q5, ;,E Z ,6 ( (E CG1 7,2 67.c 88.e % ' 9t % re 41G-I 75. P7.L C Q GE?L ,-: 93,( n u E q9.b Cc I CC C ' JO,0 1o0.v IPO he ' 'b ' U VTAL NL'E86 CF OPSE'RVATIlNS: 933 JL - - -

241 LUAL CLIMA1OLOGY 8AJCI PE'CEPI1tAf. FREGLUENCY OF OCCURRENCE OF CEILING VRSUS VISIBILITY USAFE'AC FROM HOUILY CaSLRVAlICNS AIR.[ &THEP SfRVICE/MAC t.tat C NLIPCE: $T4101 NAME: NI8GPA FALLS ZAP NY PE0100 OF RECORD: NONT: OCT FOURSILSTI: CCILIPG VISrl T LITY 1N STATUTE MILES In GE GE GE GE GE GE GE GE GE GE CE GE GE GE GE fe FELT i :r /i 2 1 1/2 1 1/4 1 7/4 5p8 1/2 5/16 1/ CL1L c. C C 36.0 ' ! (,E :CCC1!b.7?R , r. ;6o:i C , b b 41.b 4l.b IE ' or 14'MUI :L ; : 44:.1 4., UE,r ! * (,I Cri1 '2.9 ' k. 1 4e R.2 4P ' 'A?'Z r ue Ar rc 47.5 C , !1 C 4A.* ! , uc 6tO0C S , ,C 5.E ' v5 5,1 9,1 b b E 4 t Cnl C, , E C ,E 47gC ',c ' R.7 7A , rrI01 71.! $ P3.9 8' C 2',j 7Is.3 P u 9b Ae A8, E 2'f CC 76.q F4.3 9*.4 ;1. 3 " Q1.9 91, i.e 1P P a c * 1' VCg 77.5 '.2 A b 41.9 '3. V 93.' e *. 127' 74.r P I.E IC'31 7.t P b '.. 5 ' S 95.5,,E I 71.1 ps Q S (,E P cti S b.2 Q b b b.2 be 7. C Q Y b E i lor 74s. P s LE C*:'I 7A.6 Pb. 89.' S? '.S ' S 98.5 LE co 7C.6 ' q Z I.E P.6 96.J S * g E ( Q6.r 89.5, V q9.b b ie IC1: ' , s.7 C V9." LE r , q.6 '8.4 9'.' TOTAL UMPEL OF OSRVAT10J: 93$I rl

242 blc9al CLIPAIOLOGY BRANCH FEICENTAL FSEGUENCY OF GCCLVRQESCE Or CEILIPIC VFRSUS VISIBILITY. * us'aftac FROM 4OUQLY ObSEVV41IUNS AIR WEATHER SERVICE/MAC StAl(t. NUMRLO: STATION NAME: NIAGAA FALLS TAP NY PEPIOD OF RECORD: 77-8f, 80611'? OCT IOURSILSTI: IMUO-l20 CE ILIr;G VISIB1ILITY IN STATUTE MILES IN I IL Gr GE GE GE ke GE Gr GE GE GE GE GE GE GE GE FE 6I /2 1 1/4 1 3/4 S' llb 1/ Cu. I A.5 3b s , E 2C'CDI ,3 3.; E 161:l0 I t IE 16'CC, 4C.3 43.Q t , ' 140q1l b.1.,E ICO , L ,U 1CC0 IE 4!4 46.b q qq, E 97C B o.G 5V fn to.o I LE 8 CI S ' V ' o 3 b4, , S * G t' Er CI 51. P = c ,E Lr CZ L.E 4' LC 6T p CE 4- L t ,.E 3rEI f m LE 31C0 I 13.C F! C A IE 2 CI F C R L.E 2( CI 78.! 6.3 8p.s " tuf 1r' L! 7R' C 93.2 q3.2 9! r:I 7q c.d 92.2 OZ CE Io01 7Q.9 q7,6 9^ b *. 1' I 74.9! ' S cr -[ q S S 95.S LE AC7* 79. C 18.L S S.8 r 7C l 7q.C -8.C * CE f CI c i 71.5 d , S * CE 4 r t CE r e b. t S fe :-I 1) ' S q.? ,o E 1 L P , * L 1.E !, 73.Z 95.1 O Q TOTAL NUMITEN OF OPSEAVATIONS: 930

243 F.. * 1,L1bA CLIMATOLOGY PRANCF- PEHCENTAG[ FIE(UENCY Of CCCURFLNCE of CFILIP46 VERSUS VISIBILITY tsafejac FROM HOUQLY CtSLRVaTIONS AIR.EAT#ER SERVICE/P&C 1TAIIt'f NU"2[0: 7:5267 5?A8137 NAME: N 4 1GAPA FALLS IAr NY PEQOO UF AECORD: MONTH: OCT FOURSILSTI: LrLIk VISIFILIT I. STATUTE MILLS If. I r.l GE GE be GE be GE GE GE GE ril GE GE GE GE r.e FEE? I IP /; '/9 518 I / J CL]L I 37.3 '9.b U a r 2, Z b * f C CC ' 1 Ul S '1 114' M h 4.p ks b.0 A1 Ir. l?.% e r I'GC b S., O, 5".I 5C O I.E 9-'Cri 4E' I.7, 'C') 4'F ! Q # r 7C-1I 4C.4! $ ! ' E S , F 6CC S1.7 sb q e ! LE.I- c 5 7.C (I c b C b4.c :.r 4.1 ( A b a F 4- CC : U I.E 3'rLC f A E.C C 78.C E PI Z Z RZ L 7s A3.9 u5.6 P6.6 b d A I.E 2' :C I 770r 6S C ' C c[ v CCI 73.1 P U ,r I S q.c 9L ' c if 1-0I : b I.E IV'C 75.5 P ' ,,r t.j I 7T,5!,6b 91,t ' S S IE %I1 7'.f ps.h as c f* I s q LE t ! 'b A E 4C 7-.8 F U 90.3 q I '4.F 'CoI 7l.8 49.i c t ur ;'L7 7-, P '9., 'r I.C' z u I.C 98.2 q L f?.8 P S q., R.6 98.? TOTAL %f1mdlp or o"ie8vavjanss 930 * e e e e e... e o L.

244 FF 6LI114AL CLI'ATCLOEiv PI?6NCH PEWCEN8AGE rre[uency OF OCCLrPLNOL OF Ct8L3NG VrHSUS VISIILITY LSAF IAC FROM 6OVQLY VbSLRAaIONS A0I-tI! soeylcti/n 6, S74T110 NUMrVEP: 7"52E7 51AT114N NAME: NIAGARA ralls IAP Vv PEPIOD OF RECOPO: MONIH: OCI HOURSILSTI: ALL... 1,...,1, _..._... ;; ';:....: CE IL IG V1$1rP1L1T' INJ STAILTr MILES if. GG GE 3 G GE LE GE GE GE GE C.E G E G GE GE GE FLEI I I/ 1 1/4 1!/4 5/ /16 1/ Oi 10n CEIL 1 22.( u 37.! R ,E 20CCC ! u Al E I1SC Z01 3 S.8 E 9.2 4S * A : 16".'I u , C8'a r *3 6E 1,L2I 3q b % # r 10 VGC t f E 9CCC A.2 8, *E r -1, R C " (,E 7 CI 48.6 ' , I.E L-, 4 E i S GE 5CiO! i.e 41 rc 54.8 (C.6 62.U b OE 80co f GE ,E LE 2! LJ1 6,, P3.u GE 2'01l P T te 1P.l PE G.E V P R r ' P ] i.e 'C!1 7!.9 ' , GE 9.I ' C C Ibr.r P3.9 b s 9'. t ,E 7, S9.b E C:)1 74. j.2 87.c P9.b , k.e '%7I 78.2 '8, " c V, P %.! C.J ( I.E p '8.0 9' GE 1A I 1.' ' S E [I 78.7 ' G.3 9'.2, TOAL 1611P4nER OF OSEhVAIO'.3 744C.a L

245 L.IV.0tA. ELIPAlOLObV PR6NC PENELNIAEG FRf[LENE# OF OCEU8ENLE OF CtIL14, VERSUS VISIbILIIT jsafetac ro FOUPLY OBSERVATIONS A1t.FATHEP 1 rrvice/0i'c STATIE NUP'LR: 7,5287 STATICN NAME: NTAGARP FALLS IAP NV PELQO OF PECOPO: MO4dT: NOV POUR'SILSTI: P, I L G E GE GE GE br r, GE G GE G GE GE E GE F l~l I if /4 1?19 S/8 112 s 16 I1/4 a twl C[IL : A q.3?9. c C f E[ 2:;fOr 3, 1, 9.3 ZQ X.e ! GE 18IC:1 27.Q?q !0.0 3C.6 IcL , E I6CC,, 27.' r LX , '1., [ 14r o 2Q.1 r ?c. 3,j.a , UE 12(Zr'I 29.1 ' ! ! E 1ir c 31.r ' ! rc! b b! 9'0C 3. 6!3.c 3-1.9?4.4 5., ' u. accc I 5.C '? !9.A Y N0.0.E 7'OCI!,.3!d, c p G E 6bfL1 37.C ' NZ GE.r ll 4?.? A.0 18, [ 4! S! Z %2.b 52.7 S2.Y E ol.ci N'.f, S te 3'IL S?.?!9.L r E Y Cfl C 66.1 f6.3 (& E 2r r' 61'. E9.3 7n C (1E 2Lf I c7.p 77.c P vt I Ln I a.2 79.) 41.1 e2.1 '1.b 03.r p A3.8 P! P I.E - Lr 7, E4.7 h ,E I'2.nl I 71. I I b., C ' ue I 1( 71.3 P ' le OuOL 71.4 P P ".7 90.d ,.9 IE 9C P2.1 8q , a ! ZIE 7Cn b 89.9 P s Y GE 6LO q J.p ur ' : 93, S GE '.l , I.E v L S E Z;r U ' (IE ICil 72.2 P J ' ' Ok. 7 9f.q l. ti k A ! ti ALUMA R CF 0 WSERVA TI VJS: "00

246 7 L3{iA[ CLIPATOLOGY PRAtJCI PEhCENTAtiE FkEIUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITY SAFETAC FROM F-OU"LY OBSERVAIIONS AIR wfathep SERVICE/H&C STATION. NUPREP: 7257,7 STATIO NAME: NIAGIA FALLS ZAP 1.1 period OF RECORD: 'ONI6: NOV POURsLSTI: CEILIPG VIS1PILIIS IN STATUTE MILES 1% 1 G E0 GE GE GE GE ut GE OF G GE GE GE E GE GE GE F TFEE I 17 & /4 1 31/ 5/8 1/2 ;/16 1/P 0 %, CElL 2,? f ;?: _8 'oi A [ 18 U.4.2 q ' Z ? F 1L, 29., r , p.o O.E *.6-j b.9 27.j , C LE I2: C b b 27.7 Z p ;,E 1 -.:c i 2( C?C C E f? 91cI 27.7!3.1 3i ! '1.a 32.r 32.; u cr bt; I 2.1 ' ' i I r 1 L 3'-2!5. z 35.d 35.8!5.9?c b. 6! E C' : 3.4.b b A i ,E 5! c ( 2,t ! q46.c E 4' fn SC.4 S.8 50.S 5.9 KO E 4C7 46.1! L S , Sc I-Q!116 ' b'. bc z r, 3i G (2.6 bq ( ? 67.2 LE 2.,l ?. 73.V C E 2' A I q.2" b1 81a.1I ' 61. ; 7.: f d2. A d " 6! ' %.6 1. r. " e A.2! b S ' 63.1 P4.2 as.3 P E 1' L2I 71." b 7.R P GE 'C; d F7.2 6.C Q.8 R E P CCI 73* 5.' 96.6 R5.d 67.1 '6.. 88Be El %.2 9f) D CE 7..' : : ii : I.E( F9.9 9".5 92.C oil ? A # LE '.6 ' p ,.E I( 'S.? 66.7 c, ;k " b0 2,r 72.6 F b F T LE I1LPI 7?.6 ' *0 96.C c jr ii A8.9 9M C q J TOTAL %JIPFr OF OSERVATIONS L0

247 L03AL CL]PAIOLOGY ARANCP PEkCINTAGI rpeluenc Or OCCUPPKC[ OF CELI% VFNSUS V1SIBILITY USAFETCC FkOm FOUPLY V'SUQVAITONI AIR LAtH[R SERVICE[PAC ST 61C11 NIJUM'L: 7152b7 STTIC% NAME: NIAGAP FALLs IAP NYs PE'IOU OF RECORD: MPNTH: NO HOURSILSII: *CEILI.C. V291r1L1T7 543 S1 8 IUT7 MILLS 154 I G 3E GE Gr GE LE GE GE (I GE GE GE G( GE G GE FCT I r b /c 2 1 l/z 1 1/8 1 '/ /2 /16 1/8 a NO CEIL I ,2 "4.4 e :,E :-PcfJ b ; d.1? 'A 1Sn S A 16-LOI Z2.F b b d.7 28.e GE 14"'Z ' ZR LE 12-Cd 24.r b " C E.f2 C' 2I2 ' , 32.C 32. c ' A[ 9rca0 '.C0? ! A. 4 ( 0 i 1:.4 ' :7 7: : r 7'CC ,4! '8.1 3p brocl 31.9! b b b.E SL ! l 3.4 4% SL S , S S S5.1 GEr 3'00 I S.0 S p S?.b S8o % S.3 I. r t ",P.2 6S bs % UE 2' L I!S. P i 71.U 71.6?.v a 2r11l ; : S.4 B. 80. L b0.4 o( q * '. 6zr.2.C A 78.3 c3.3 " *2.2 P Cr 1!21 t! P o R UE!3L ' P G K 1 CC ' Q E SCO I C r d a.r Puni t-4.? b 81.C C 9r GE P E flf A1 E : C S.2' 9, A 4O 1 64.C n L LE ' L 64.P c 92.8 ) S b.0 "r 6 1:.01 L4.P q7.4j A 96, R r 1 d 4.p ' ).V Q6.3 9b G L

248 GLt AL CLIP#TVLOCGV R:!ICH Ptb.CLNTA.E F8 [UENCY OF CCCIIR3CECL Of CEILrs VrRSUS VISIBILITY USAFE AIr FRCM HOUGLY ObSLRVBIONS A r 01A 11. 6VI r /, C TAI]CN N'PPLP: 775.? ST ION NAPE ;.AGARA FALLS ZAP NY PPI)OI or RECORD: PONT$: NOV FOVRSILSTI: U9C-.1o0 CE IL 1'. VISIRILITY I1 SIATUl MILES 1% I L G1 GE GE GE GE GE G bt L E,E.E GE GE GE GE rel 1 1 r L s /i /9 1 -/% 5/B 1/2 S/ NO CEIL I b C 23.C 23.L ('r zl LC f A[ I c ir 2S: 25 : b Z I c 27.C GE 1 % :7. n U6. z, a! 2L Z P ,.8 X LE 1.! c 'c.9 3 D ' ? LE IA 1'0I 25.C ' r T3.2 J ' ! E 9r r'i, Z!% T%.i q be ev'1 q.3 p !7.6! S 37.9 ' (A 7' 0;:I 31I 's ! U.2 L E 6' LC! ' C 9.8 "r.3 %96.6b 9 r 1.6 9).a % B 9.m E. cr ".0 92.U f T f 41./ 1!6.! 994.L 9. f! 97.2 q s." I f to8.9 9t L.E 47C I 9v.? P ! ; IE " Lr I 9.1 ; ' ) $7.8 S CA It l ' z o b be Z' I -. T! O E " I S6.2 t ? CE I :3lI I5. " S I9.% A.9 7' ':r I'=I S7.0 7C pi P i.e 17.i t A3.6 f P P u[ I' LI 5A.,? S.7 Pa b9.3 P P ,I.2 7.% 71q s6A '!. z U.6 $ P GE r b 79.3 P3.9 b *, j I r' s P"-,L , GE 1r;'l 73.6C e7.0 hy T ue 5-,' A ' q9 G Qs ". 6:' L As.6 P '.? Er L6 a.~ %.1 69.,7 9%~ S %.% ( E f c L 63.1 P6.1 I b9.2 L P P GE.2 L. ki a~. 06. I sj.e r 94.t , ).0 - Lr I L i U A L NUMi~P O "SrEV4AI I ONS ojo

249 U L.P AL CL IM A IOLD(.Y AR ANCH PERCEN386f FPELUENCY Or 6;CC39396.CE OF UI11314 VFRSUS VISIBILITY LSAF 7 a14fro I-0099 P'oSERVoTION. AI1R.3 033r14 Sf.RICE/I;AC STATION1 r.up!p: 7528'7 SlTTION NAME : NI FALLS TAP NY PE01IOO OF REC0ORD: 77-86, MONTI.-: NOV I-OURSI1533: o0r... *CE3I'Lf VISIFILII9 1IN STATUTE MILES *1.I N L 6r. 0 GE G E 6E G E G c G E GE G E 6 G GE G E G E FEET i r / /14 1 1/4 5/8 1iz '/16 1/ft 0... NO0 CEIL. I 1(; ? (,I -cror3 231.; jb t, 1ruci 2-.b 'S V ; 27.c 27.C 27.r z LE 16/ 221 2'.7 ' ' ie 14rC[0I 2! ?P.. 7 2p.a 28. e A I 12t~c LC.7 : ' F I2 or Ct ' P S.8 ' ke 9,-,fI : b ;:b , I !b'. ' ! S7' ' '.11. 3s.!!8.a A L.E bt'c I!1. P ' b if c L ' A.2 CCr( f ' L.E 4% If vi " A q, ; 21 4.' i E ',E 31;-I ',S. 2 5' sc A. 3ULC ' , ' S2-2!,.-. t b r (,E 7. C21 5 P.14 f8.9 7? ? ?77.6 L~ ' r1 1'.? , P E I!Ct, , R L( I c St a a?, ? ? 47.7 UE 11 :13 L2.ql P P A2 cr I1E63. C j ' ~LE I t t a % e7.q 9f. C 91' s, ? i.e?l!' I7.' $9. ( ' C I. lz ? G q'.6h 92.M ! % 76., " ',.L 4'iy.' E 4 j", 6' '. 71P s i 94E A 'E, ' '7.6 90, kt :, cl1 t'.6 77.: e ' q7.9 91, ' U6 3L2 6N.c 771. ; '.7 S , r ' 76.i s6.4 ' a8. z T0TAL I.UIPEP Or Op:.rIvAvt31sI t 'IL

250 6LL068L CLIPAlPL0&Y 09150I P(NCE?173G FRiEWUEtCY OF CUOtFPrENCE OF CEILING WFRSUS VISIBILITY USAF ti ac FROM HIILY PbSCRVATIOS Alf1;i.t76E srrvice/p-ac STTION. NUrEP: 775.fl7 STI P.k N.AME: NIACDPA FALLS IAF hy P Of : MO NIN: NOV HOURS(LSII: CE hip-b VIS1IlLI1YIN1 STAIUT 1 PILES 1% 1 GE 611 GL Gr GE FA GE UE3 GE Gf GE GE GE 51 GE GE *rlft / /4 1 3,p 5/8 112 S/16 11/4 0 fo0 CII I U ? ? *f,: C Z i h 31 3.f 3Z.8 M0.5 3P~ L.r e C ii J A 1 i:zt' 37.4.'0.1 JC.', ' % be 14[3072 2P ' ' *2 6E 12' 6n 1.9. r ' i2.9 Y! z (,te 12CCO , ' :.F 9 I.c 31.r! c 35.f 35.6 '5. 6 3c;.6 3S XS S (A 47 [7 1! R % ) !f 7-' ! ? C C0. 4r t 6'. co1 35. n ' L E I L0O ' %% ? E1 -I -r G 51.3 SI I.C 51.0 S *. 4C c ' S UE1 3' L ' q b5.6 ' Sm A 1 3( ! S.4 V CE1 -ZC ( TV. 3 1p : To.'$ zip 0015 c,1 I 1.' 11# i ? se Ip 'C t? c. 4 a 1.7 A1. c b3.c P L " I.E 11 cf' ( b A3. 3 b3.4 E a.7 vs.? *.1 127nI C.1 P ' Pa.% Pa i* IC r e !.d 4.0U f 96.q ,j 'l".q ,1 C-c1 t o' GEC '2: 64.5 A Be. 3 9:1.4 9.:! 92.G 92.2 '2.2 9? E is 64. F 76.6 a I. 3 '5.1 e5.e )I. i 9: a -oz ' 'A0 I. G a 94. z q CE '1 6rI 4.' c.; V V4.6 IS , b6.0 LE,11 %cc Cnj' 64.o J.7! 91) b 9s5.3 ' F b 96.2 '7. -b a E C L 97.6 ' A1 1/ ' 17.2 d2.1 46i I q Oa E 'I R ;.2 1 '." T3. LUMPEP OF 05tRV.% I ION$ 90

251 ;L2tAL CLImAT PLOGV Pk ANCH PENCE11AG FR(CUE NCY of OCC1IR( CL OF CEILI NG 8FSUS V IS IL 7V LSAF[TAC FROM FOLPLY ObSERV0TIONS A1 df AT1-Fr SlRvICE/MAC S81 A10. tupne7: V52r1 SIl101 NAh: '- NIGA&L F ALLS IAP IY PEI00 Of PEORD: MONTH: NOV HOURSILSTI: 18.jO-200C SCEIL10:6 VISIFILIv 16 SxTICtr VILLS it I (7 or GE GE GE GE GE G( 6f CE 6 G E ( GE GE G7 SLL1 I r ; 1/ /9 1 '1, 5/8 1/2 S/16 1/4 0,O CEXL I 26.F ;S Z te,cvooi 29.2 ' ! ,F' 18' CO C 1.: '2. z 32.Z ? , be 10o' 29.6 ' !Z i !z ff *9LC 2;.7 ' J , GE 12!01 3.' ' Z " d 33.9 ' b Lr 1l(r co 32.3 " L * E S;( 01.i '5.f 35.7 '3.b 35.9 It. C 36.' 36., 3b.c!b.C 36.f 36 U UE 9!2'li 39.1 r ! GE 7i rr 'o !-C 3q.1 38.C 38.0 I G :. 4 L I f.3! L C. L ".- IC.0 4r Lf 5,' 9.' : b:4 46.:4 b: : 'C ! ' ,. S :: S S5.7!% S S S5.6 GE J!C.4 1;, f. 6.1L b C :I Sr ,3.C S St 'c I f , 7z C Lr' c 7V. ' At.2 8' P o.3 UE It 2 I 12.' AC.3 81.r j A P1.7 8l r 11'3 1'.' L 6q G. G 87.C 87.2 b % A7.6.. I. Gr! 13. ' li.9 as.9 A9.2 89q. A LE I *'"I 7!.7? P b n.2 90p.1 9o.7 9( ic '11, 3.q al ' A7.b a.,. U, :. aci 79.1 r3.! 86.1 Rb.j I 9.9 ti , n2.1 9' f(r To V.6.. o2.% ' (If 6,01.' j C.9 i. 9! E (3 79. f ' ? 9' I.E ' q t q. u 9r ? , E Ice p ' e f 7 I9. f-.3 d ?.9 ', Ul1f 1.i 79.6 "J.3 7. t i St. e I 99. S-,I.g E. 'I 1.( ; Z V6 q e.9 9n TOTAL f.u092.7 OF 0 SrRVArfn34: Q 2(1 r,imi.,- d a m d n am m. ~m,,l

252 GLI.EL CLIPATOLOGY PRANC1 P8kcENTAGE FkrXrLNCY of CCCL'VR"ECE OF CIL14G VERSUS VISIBILITY LSF6TVC FPO 8OULY OUSLVATIOtjS- AIR.4UA1113 SFRVICEI/AC STATIO14 NUMLP: 7.Zt57 TAIIC NAML: PIVGAPt FALLS IAP NY PL1O0 OF RECORD: MONTH: NOV I-OUPSILSTI: E ICLIt., VISZPILITY IN STATUTF 1411S 1% Z L G" G GE 5E GE G L GE GL GL Gi E 6 E GE GE GE G[E FILT I q/ 'I S/8 1/2 b 1/ I CEIL 21.2! !1.. ' o ! r?'0 123.z 31.7! b q.8 34.B 34.q !'E 18' ugt ? ! '4,Q 39, E I ' h , ' C 35.C J E 19:,0?-.2 ' : ' ,t I. r ! ' b.0 Lr 10L3CI , i. 4'L P ' R be a 3" - 5.' o!A q *E 7'C ' if b5c 4 " ! E6 (0 91.! A6 9C,: 91.' 4'.' !2.c C 52.0?.C Lo 4. Z:: 03.6! *',,--r! 3.,q!7.9 5'.1 6o.1 (1.4 LL U C 'E 3, L e b5, '4 2r t0i E.6. 7G G 2'0C7 7:. 3 -,ft.j a q f Z.3 P L0 I PC 7., 79. al 81." 92.d a8 b ' P o ? *L I '1, L 62.! 89.2 I'l.I " Vs ;.8 85.b CC ,3 F a 6.u 87.1 q P P7.9 8P ? 88.2, Ic , ' e7.3 A9R.7 ' ' ur.7 3.! '2.1p E 9. 1 )c. U 9"! , r 73.3 * q.9 '1.6 9 " qz.3 9Z ? LE Q' 736 1:, ,! 91, "2.? W * , t T! go k e , ue '2 7-.7? f ;2. 7 $s9. 9." b f r..!e 73.9,14.2 8P E! 9." q A (, P 4. b8.2 % q '1. 9'.? B ,L _r 7. p 6.2 OR " '.1,* ,9 99.! 9,3 98, ( I 7!.P "9.z "'t , ' Z 99.6 of. 7'. N 9. d8 a q '.1 i 97-? '7.9 9e.1 99 b c 99.0L ? T0TAL NUJrKEP OF 0, : *** * ** * * ** ** * ** * * **** *** *** *** *** *** *** ***L*.

253 EL )I AL CLIt'TAOLO i F6%82 F(-CI TALL rtu(.ul(l of occuinw"..lf OF (FILING VERSUS VISIBILITY Ls A61 rc RO, IICC OUiLY nl SLDVTIONS AINs. [fh[f bfqslc[ A11/C 1TA31'!. PIU3 fr: S I5l S3TIICf NAME: 611 NAL6A A FALLS IA P?:v PErIOD OF PCORO MONTH: NOV HOURSILSTi: ILL.o , , o o., e.., CFIrL I VIsIr17Y IN SIATUIr M ILES I'. I GA 1 r bc I u[ E G 6L G I rl G E GE GE GE GE FLIT I IC u 1 2l 2 Z 11/2 11/4 1 '/4 5/ /16 1/4 0.,,..,,,,...,,,.,,,,,,,,.,.,...,o...,....0 CLI I f,.b 26.q C 'F -0'I I f. P l l i 3.c 7 29.' 29.6 e9.9 3O.C 3'.O 30.L ' C.3 29.L ? 2, o.C 0.3 '0. 1 3^ o AEI 4LJ.I 2!..!, 29.6 '0.U 3.? 3L.4 3C ,.7 3P ! ' '." ' ,! ' !r7'9 1.' ,, ' F 'q ,F 'r 3!c S ! ' Z I.3 '5.. 3!.t b S7'ct J ''.6 '7., 37.; '6.4 '1.0? ;.2!9.2 3q ! C' tc'i L j '..8 40c.9 S. r'.* q. '*.7 44q 'l7 44 t.7 s~ c,2 q., q 42.b! ' S '.1 4'.1 "-.6, t.c "t.. $C P.5 O so.7 O.8, 4'h 4,. r :, F 14.c S Ut 3'> I 4'.3 E5.C ' , ' q "E 11 fi ! U ,L.. 3 '!. b r0l. 1; 71.3! R LE LII, S.F 13.: L, 79. b 7?.9 Pa.1 I 0.2 PD A 1' I ' b'.3 I( *F lyi ' d 91.9 b3.c F fs.s S VS E P3.6.S t P P8.2.. t 67.4 '2.4 8' ' a , [-. f?.i 79, A ' nd G.1 -C.2 9' I f # 7.7 i9'. b * U9.1 '9.b 9Gc I.E 7,.- 1 (7, _. b.5 81.I L.b C 92.Z ' f '.I I7. 3?., ^ b3.7.i p.4 9'. " , ' b I 1) t , q.'. 9! S.9 9 AE "I , 'Sq %.b rl u b t;.i 2.3 h4.t % '-3.9 9, j 9q.7 98, 'r :." t '.1 '' '8.' 4l 99,, '7,o n8.3 9Q k!.,. fb , 9,.7 07.L 97.s 9A S bi0ll 'Irv's 0' 57I','A11C%. : 72. L

254 ULOPAL CLIMAIT(LOGY 6RANCH PEHCENIAGE FkELUENCY OF UCCII89EKCE OF CEILING VFRSUS VISIILITY usafe1ac FkCM HOUPLY 0BSERV8ITGNS AIR SEAIb-Ep SE8,JEIE".1STATI NLU'EP: 7; 2d7 SIAT1CN NAME: SIA66RI( FALLS IAP NY PC9I0O OF PECORO: MONTF-: DEC I-OURSILSTI: 0C CEIL 1,6 VISIVILITY IN STATUTE MILES r E GE GE G G GE I GE GE GE GE GE GE GE GE GE GE FEL I I~ 6r / /4 1 3/4 5/ /16 1/9 0 NO CEIL 1 21.? ' ' ? f5, 11.LU 22.2 P Z ,. t 25.9 Z FE I0cc) 22, U V SE 6[C C 26.C 26.0 C ,F 14' '.3 25, ?1.u UE 12 2 ; S.b ?L.f B ,r 17)rCO A C / Q E 9f' L ' 0 27 IE 3j :.3 3C ! , CE 7%2 z7.' l:.5 37.!C ! E (' L(;I 29.7 ' ' !2 7 3, , GE,( I 31.r ' '4.9 3t [ 4' r U S GE 4!JCI 37. v LF 3r'.l b GE 13C L " a GF 2h1XI 57." c.1 6t , GE 9 r,. S,. r '5, ; , GE 1,.- I 9.6 b.4 7t.5 73.c 7.Z S b ue lrlci (2.2 ' Pu P E,[ 12 GO (, ) 8C.2 P P P ,f I"lUI 6!.? l Pa.b R C 86.1 P ,E.'9I '3.P 15.b 79.' A I p UE "211E I'.P L P ' P ,. ' " Mg.7 9".O ,E c 4E P a u t.' P3.1 P6.1 ' E '.0 54.' C.4 ' ? , 'L- c P "P !.! tf P ', L-, i 4ns P k !.7 ' (,E r' (, ! 92.7 V3.7 q IC TOTAL 14UMbLq orf Wl5r6JATIONS: 030

255 I I AiL6AL CLIMRICLO,Y 37RANCH PE..CL!IlAoE rs(equency OF UCCURp'Et:CE OF CVILING VrRSUS VISIBILITY JSAFITAC FROM IOUPLY Alp'.IATH7L SFRVICE,1781 STATION NUM'.LP: N NAPE: 14AGAA FILLS TAP' NY P(8100 or' RECOPO: M0916- ('(C 6-00RS(LST) YEILI'.o *SLrIIT 16*I, S*ATUl F MILES U 0. OL GE f, GE a4 r L GF GL C5. GE L (b GE Gt GE G E FEELT I c' J/2 " 1i 1 I 1 /4 1 '/4 5/8 112 S/lIb 1/ IO7"(16 7vt(., 33 NO0 C'IIL I I.a c ' b b ' (E 1I co. 1.4 ; , 24-4.u ;!.0 2..t OE It! uc I,.( -,4.c * ' ? ~~~~~~~~ ! ( 44 " * E Zl.' ' $ 14. b t 11 Z I 1 27* 7, ip 4.9 2' L0r1 I".p J 2S. P,b b.7I 26.Y,6.b 26.a t.e 9 c' ba Z7. a ' ,,E ' ill.s? ?8.5-2' ?8.b ,,r 7r, I,. 1L L, 2q C UE 7' ZU ' N L.E 4'ror 3S1 ' m j.6 40o.u 4 f. 6 '.h 4:i v i.e 4 'or. 3".Z QS.C F t 473.% 'r -7 'r 4.9 asj. I 4O Q.? , tg 149. S ~E 3-CJ L S3. h 44.0 r " 1, LE Z ~ b1r s22 6.Z:2 '. 62: 62.9' Z S 62.:6 62.:6 62.: ( A. 1.c 71.# :1 G.E 1'[.l '9.4 ~ O , '' 631. p i C1.8 R IE 1 6(' 5!. t E 1.48 ~. - 4 h'.1 q ' R P44.7? 84.7 P44.9 A 7u. t64.1i 76.L !,4.L 89.6 Q * ' ' xi fu ra. o P.4.2!4.'.q 6.'t '61. 1 o i C -. 1 E4.7 ' V.9 1 L. % 4.'- "S.9 84.' r $ uc. ( I ; P3.' re "t 'LC 1C4. ' 1' A%4. Z o '.q If ;rj t I.! 3 4m.5 b61.3i P. 5 1.' ' , '40.6 E7. 4 b9& a qs f ( ' P's.6b S # U.5 C~ (4.6P S ( p".9. 7 ' E5 if..p AS.I f 9. 9'.I 94.c 94.' TOTAL. '73 f5 p A 477. f P 94.r %,

256 6L3,AL CLTMATnLUCY khanjch USAFEIAC AlP WEAIWEO SERVICE/'AC PEkCLNYAb[ feeluency C; OCCtINPENCE OF CILIfJG VVFRSUS VISILILITY FROM louply OoSLRUAT1ONS station NUMILR : STATION NAME: NIAGARA FALLS TAP %V PEVIOD OF RECORD: MCNIF: DEC I-OURsILSTI: 06U0-0800,,,,...,...,...o....,,...,.,...o...,..,.,.,...,.o...,. LEILI VISIPILITy IN STATUTF MILES Ir I CE GF GE GL re EE GE GF UL GE G GE GE GE GE GE FEEl I ' 3 2 1/ /2 1 1/4 1!/4 5/8 1/2 C/16 1/4 0 NrO CEIL r r[% C le'l,0l 1g UE 16-C1l b ? L6'I J : ?2. 222, LE I2LCr I 1. o n 23.h * (crcci z , GE 9 li 1.P *!.,E 8*ung 2.* ! L E 7!' G " n N.F 6L0CI -., 29. L , Y P~q C:i 2.1 '2.C! GF 4 l! !9.69 Q.6(,L.C % fl* L, F6Cc 3.' S ?.F ,! UF 3...;l IP , U ? UE 31.., r 6 51.Z [ I 5.2.? ! S E 2CC. 2 I t(. L IfE IP.,I 1. 3 ( be (11.8 V!.2 70.a C E I 32I t.E d I., 12.A6 1?.' r,.3 AL.b E 1, C ! P6.3 * P ue ' ' 1' RE P.2 86, p CE 8!l e. 0.,0 b , PR SE 7L-1 ', l.j P4.2 ts R88. I c.6 P q ,r ( S 78.6 R1.I c 68.b L 9,. ' C i.e l 'n t,. 76.b h6.7 8S ,.3 9, V, C S F6.6. b r q L ' F65. ' ' *6..,2 I' p2.3 d5.9 F7.9, 9r., IS LE 11 S e P2.3 h5.9 e7, 7.,2. 93.L 96. q O F 9 F7. S 927.' 9 3. L ' IOIAL RtIMIF9 CF Of SF10VATION' ~L '

257 ik GLL tal CLIMATOLOGY 8RANCF PL.CENTAGE FREQUENCY OF OCCURPENCE OF CEILING VERSUS VISIBILITY LSAFETA C FROM HOURLY ObS[RVATIONS AIR weati6r SERVICE/PAC 5191I0N NUP'LR: 7?5267 STATION NAME: NIAGARA FALLS TAP Ny PEPIOD OF RECORD: MONTH: DEC HOURSILSTI: CEILI"U VISIBILITY IN STATUTE MILES II I GL GE GE be GE GE GE GE GE GE re GE GE G[ GE GE Frui I 1c /4 1 /4 5/8 1#2 5/16 u4 0 NO CErL I ' h ,,E Z LCO G.4 2C. 7( it.b 20,t 2r C r f.e 101, L 21 :U 21: ZI , 21.4 GE 16'2"I E 14'LOI ? E I G'uI u 2.c' 23. C L E S E "[7c: (. b 26.F LE 8' L 2C o 29.' S D.1 3n ! UE PL b y E 6f C.5 31.S N E ".CII 2.' ' ( ! UE 4, (:7 3: i F (' F 90c0 37.? ' ). 4(G Gr 3-'07I! C S3f f! U ' R u[ 21.L I.4 ' b 56.2 Lc.h 57.! s8.9 GE 2!.) C p ( GE I :;11 9c.7? C 717! S 'A I' q O A6 122I.C P GE Q.1 L L b3.3 q.1 89.p 8.9 8S.1 R GE -"! '1.2 8! P ie 'LII P3.C C A ,E 7G0I 4. A P A8.6 91'* (A t , f ^ P s S GE ' F 6S Z.S 'F ', S U. 9..0l 9q p Q GE "n1 3.8 P 6E F!.6 an % , , R F 63b : 3.1 F5.6 8P GE 91.f 4I *1.7 " TOT41 11JMr6r OF 01S0RVAIION5: 93!"

258 3L'.uAL CLImAICLOG'V 2F8NCH LsAFLTAC AT#' 6fATFFP SERV]CE/MAC P[kCPJTAG0 F'E.UENCY OF OCCUPPENCE UF CEILING VERSUS VISIBILITY FROM FOU'LY 0USFPVAITONS $1IIN l H :7 7STATIOC;NeM:tXGR AL A PLPIOD OF PECORD: MONIM: DEC HOURStLSTI: 120D-140C CEILI:G" VISIFILITY I N SIATUTF MILUS Ir, I ol G' GE be GE GE GE GE GL GE GE GO GE GE GE GE FEET I Ir c /2 1 1/4 1 '/ /lb e.....' ' '..... ' NC LLIL I b , IP G E 2croul GE i 'C2I SI,: Ll Z.6.I V 22.P 22.0C 22.C be I E I'Uo C Z G ue 1o3cGI '.9 26.r GF 9 rzoo A JE 8:-CO I 27.P P U D GE 7 L: ' z 't ttcl 28.7!.b (,E -I0Of 31.1! ! (,E ' ? ' E 4 L(CI 38.'? !9.5 4C.1 IU C LIE 3'%r ' be 3T0 2.P q3.b A GE CrE(; t C E LO b S *I C9.6 7r E [ 1'Z' I q & E I. 1i 1 52.( E o3.1 8c L ue 1 2O1 52.q ( Z '2.5 7G..? ' A i.7 P GE ',;J 13.3 (.6 69.' ' P P6.3 P o.8 6 F de 'r 3' ? l C P7.7 8P R :. 7 4L GS , R U GE ftoi 53.4 (5-5 7n b1.1 I.c q GE ( t !,.3 f I.. It.GC n ! 95.7 te --v C 75.6 F,7.r L.3 8p7 Q S (If I1Z C2.2 'I( J.6 c 1. A 93. 9K te z or 51.4 # u s *I.8 A S 9S GE 2I 5t b b2.. b. S 8q P 13.3 q S GE, 3.8 (5.L 71. U L.5 8p.? 9u.t C.0... TOTAL JUuPPEp OF 0' ;frv0t. : 9P4 6.Jl i l i I

259 GLOAL CLI"AIDLOG PRANC PEkCENTAGE rreouency OF OCCCUO NCE OF CrILING VERSUS VISIBILITY USAFETAC FRoM I-OU"Ly OBSERVATIONS AIR.FA/ItrF SERV1CE/IMAC STAIION NUMDLP: STATICN NAME: 618AGARA FALLS TAP Ply PL'00 OF RECOROD: MONT : DEC POURS(LSTI: C; SIXIG VIFILIY IN SIATUTF MILES 1'. I OL GE GE GE GE GE GE GE GE GE rl GE GE GE GE GE FEEl 05 6 C /2 Ii 1 1 /,4 1 /U 5/*a / F-0 CEIL R.3 le , (E 2Ur0'1 19." 4-1 C C c 21.0 Z &,E 1 8 L2U2 Z0. 3., Z " GE 16CO i 2l. 7G.d ? E 14' C02 2I L Zi R GE 12- CfI 1,* e : C G D LE baoc Z u E grool 28.2 's [ ; b6.2 GE 6GcI S c , GE 7'L! I Z.' 28.b P LE 6roil C C Y r ',E ;C Cr.84 2., 31.!.o a ae ! ' GE ' ) ol.s f E L I :O S s 88.6 (.E!C LfC 4r,. 85.t SC. ',L R (ie 2. a. 0.2 : a n UE 2-Z: c fe.3 69.' F E IL;) 8.#, 7. c ai L GE I' :., S.q F 7! (.E 1. Lo1 5C.6 C3.Z Ia o c R P ' 1, ;.-1 l.q ' l ; s.7 F ? 8s,7 UE 1, S F I P ' A6. ie S ts ".48 G L 8F GE 7,; 55 7 G.E 77?,?.D 11.6 :6: h3:2 d8.9 86: e g~ gl 9: s 90.5 fje!" 2,.. t, ,3 4N. u a 6, I , 91,a , 92, 93.0 GO * I F'.2 ''.7 72.f 77.1 H b FIE rc1!.2 (S S L ' E!I1 11. F b E2.4 cg ti Q [ -c I ',..5.L S ? , Gf t?1 S2.2 V ? 7.7 t2.5 " l.8 03G 9-.? ? q8.5 99S 99.9 (,E I S.2 ' A5.7 8' v '8.S ()TfL t.l'82 CF O% C

260 F GLISAL CLI6AIOLOGY PP.NUuSAFEAC Ali d[ather SERVIE/MAC PLkCENIAUF FREUUENCY OF OCCIR8ENCE OF CFILING vfrs'5 VISIBILITY FROM HOURLY OBSEPFRYIONS STATION NU8LR: STATION NAME: NIAGARA FALLS IAP NY PE"IOD OF RECOPD: MONTH: DEC HOURS(LShI: II I I I S A U M... CE ILU GP VISIYLITY IN SA1U1F PILES I N OL GE GE GE2 GE UE GE GE 1,E G E GE GE GE GE GE GE FEET j v! Z /2 1 1/4 I!/ CI/b 1/ NO CEIL I 11.4 "1.L L P L GE 0P GE 18' 201 2C GE ib*032 : GE 14l *I I u7i , GE S u LE 9 C:)1 29.,P , L S6' LrE:I P 2S A LE 7r1 I... 1 ' ! I, GE 6-jouI 3 :.2 I ! ! E 33r 33.' I o GE 41'.CI' 3*.C c i P GE 4t C Z LE 35 ri " P C C01 4'. 1 ' C. S ;,L azrl 1.t 'A.4 5q GE 2' Ul I5.A C [ b Z q GE 1S3 5Y.7 7C C A A IL3 E C.f R ) q be 1, t. A r P2.7 8!.1 84.L au S ue 65 6.: 73.& % P E (t2c.4 '4.L t, 6!.7 '4.b o A GE 7 L1 ( R L ;,E (oi 62.' j C4.9 r _ * , ue I b i'6. h 9'. q Q 3.V q GE 41 C, 6., b5.6 h ! I 121,b P6. I C C01 ( % h 97.3 I uf I33 2.( I PI '.3 9Z.! ,. 9-.I ". ( c IO.0 TOTAt 5081R Of O" N5: 4Jr. a x

261 F 61084AL CLIMAIOLOUY V681 6 CH PEHCLTAE EREQUENCY OF OCCUR8ENCE OF CEILING VrRSUS VISIBILITY. USAFETEC FROM HOU"LY CSRVAT1ONS AIR.EAI4 1 SE[VICE/PAC SIAIION NLP3P: STATICN NAME: FJIAGAFA FALLS TAP NY PEV10G OF RLCOPO: N0t6: DEC IOLRSILSTI: CEILI %G VISI ILITY IN STATUTE MILES 1I I rt GE GL I[ GE GE GE GE GE GE GE GE GE GE GE GE FEET I n t / / /44 5/8 112 FI1 6 1/ NI CEIL I J'.r! 70., 21.2 Z ' Cr 2020JI P 22.8 l *E IAsC 21 = : Z8 22.P 22:a 22.E *E!u I : ? 22.7, p (E 14r I 1.. k P b LE lrci ! E WLiI Z E 9rc I a, Ua-i q F 7' L A A LE 6.2cc 24.r 29.( q 'L sc n u.3 r I C:71!2.4! * a ! E.rLli L h ! *E u! :) n ut b.5 ie 2 ;[ ' q q ! E 2znI 5 '.P ' R *t tcri t c L be 8LO (7.1 E ,r ; LE Ir 'Cr C F C.2,E 12Ct 1(7.2 ' P af 1rCI 6! b 79.5 f R R6.0 E 5!.? E o P ye '3i P.4 F A A F '5.8 7R.9 P c ' 68.i b q.I L[ L S 'I.9 8!.I 9R ' oe '2: 'j.7 45%9 b4.l c , ,E 4.il h6.3. b. 9n '3.c z (,t %C n 93.8 Q (A :..I (q P p' q.7 9s GE Il 6q P2.5 b7.1 Q q ' E b 7.2 E S.2 97.c 97, e......e... 1OA NUM 4 ET (IF 0,SFNVATIONS: q5 L

262 F. ULtbAL CLIMACLCGY BRANCH p:ueslf:re FP:UrCY OF OCCrfG0LPCE OF CEILIeG versus VISIBILITY USAFEIAC FOCM IOURLY NJSEPVAITUNS ATP 4.FATHEP SFPVICE/HAC TAI1(-N NUIHBLP: 7;5,'L7 S TATI'N T, AME: NIAGARA FALLS I AP KTv PEPIOD OF RECORD: MONTI-: DEC I-OUPS(LSTI: ALL , , CEILI',G VIPILIT 1 I NjLES I ',L :6 C GV 5 GE a [ Gr GI 6. E E GE GE 6E GE 1 E FEE I 6 5 e 3 2 1/ /2 1 1/4 1!/4 Si8 1/2,/16 1/1 L N.O CEIL C C n b 2:rCL.E " % ,, ' c ,. 22.d 2z '.8 22,8 22.a E6 lb:* ( 22.? 2. 8 Z2.Q 72. k!22.8 e 2., ff i4'2r 2!.P !LCI Z 21., I6 16CCCC 23.4 ; L.C " ? o 27.1 e '.? bE Pfr 1, b L % s , , 72rI ze S E brlc 7.' ! F Sf21 32.i ' ?46 4:9 05.L 35 : n.2 35: '6, 4, 'I 4' ' ,3 I , E 4:22j 0,r , ,9 4e.1 42.? '3: 1,I1-' f.11U b-~ ' b ut f, Ll 4'. 48i a il s I I , ,F 4.. rs,3 57.! , b m V " r C 5!.1 X t'.l 9.8 7C ,2, 1,4- ' t U 7,7 73.U E 11 CI ,9.' ' s CE I 2IL 57.5 ' * d P Ir, 5'.2 j.l 75.C ; ' E 43, 5.' , : '.1' 5' b fis p,4 8it '121 S. SJ , d9. 5 '9.1 8n t1c I ''.' f!.9 "L. L 87. pa q S S st- 5, ' l , u4 4 F3 5S, P ' S :,f ' 'i '7.E c 93,..I *',2. 5., ,h P0.7 bl ; q8.o I 1 5P.' P ' 'i Af j 93.9 q q TOTAL Nt'Mr[' OF O'SfVPil(IOr.S: 149C

263 UL5526 CLIMATOLOGY OPANCI- PEHCLNTAGE F.P'UE%5 Of OCCUPENCL F CCILING VFRSUS VISleILITv usafctac FROM CU4LY O45EPVATTON A83 wa7e $ERVICEII'4C r STA71ON U"fLP: 7'257 STAt I0N NAME: NIAGARA FALLS ZAP PIT P E IOD OF 'ECO: MINTH: ALL HOURSILSTI: ALL CE IL. V.tZ 15ILITY IN STATUTE MILES Tri I GL GE GE GE GE CE GE GC GE GE GE GL GE GE GE GE rl(e I I r 6 s /I l /4 1 3/4 5/8 112 S/lb 1/4 0 NO CEIL 3' E.4 t C U' C1 3 AS: P t 42.9R C 4 ' &3.1I E 16cc1 35.2! z.8 4! GE Itol 3!9.& UP 4Z7I :4 ' " : 'G14.: t :1 44. :1 44.:1 44. GE I A' f GE ICr %.b 47.u A * r 9'1,; q U. 5- t: , G W ! E L;. I 93.r 99. b C t ;5.o L E U L R : ' r te e o UE 4- Lni 5-.4 rs.6 E E S V! 3r :4 b :4 6h A *,1.! C G6 2' S-.1. f h Q.? LE. 7 : S P C (.E 197- f 1.' ' ;" " s.0 "S.L S 1' uj I t47.' '2.&( 5A.2 I pt. f C ' p p8a.17 ;' 1;' 67." , 93.8 b ' E I LI 6Z e7.9 V ,71 C'. I 'z " q 'V97 90) (;E 'I 6 G! ' p q ' GE 7C': 6! f9.2 P 1.c '4.n ue "r 1 6!. 77. b c g '-I co 63.' n t 9C ,E " z s 95.I *,l '. 1.' 77.u 82.2 P I6E 7211f II ' ') v7.7 - ' E I, 1 I'.' " L '7.8 9" JL LE. ' L t1.1 '7.8 9A O L.P 19. a OF 0 SVATI F.,S: 76-3 aaflmm ti " a L - - -

264 GLCAL CLIMAICLO6Y IjRANCTH LSAFETAC AIR WAIAI6R SERv3CEiPAC PFRCJTAG FRE6UENCY OF UCCURrENCE OF SKY COVER FROM tourly OBSERVATIONS STATICN NUIMALR: 75d7 STATION NAME: NIAGARA FALLS [AP NY PLO1 OF PECORD: MONTH: JAN... PERCENTAGE FREuLENCY OF IENTI-S O F TOA L SKY LOVER USI TOTAL (L513 I r MEAN O8s U-C, '!-CS S !- I? z I R ('.-I I b A q CTALS *TAIPIN NIII3LP: 75,k!7 STATION NAME: NIAbARA FALLS lap NY PEPIO0 OF RECORO: 7'-87 MONTH: FEE... FLRLNTAUE FREQUENCY OF TENTHS OF TOTAL SKY COVER icurs I 101AL (LSI MEAN OS... S 1.1L 17-4 I7? ("'-P s S5 Li-I1 I 1.2 IS.! :t.z Z %6 IM N ! 7.3 I cs.0? JCYTAS L A,-

265 F- -- GLOoAL CLTMATOLOGY HANCH PfrCNIAGE FREQuLNCy OF OCCURPENCE OF SAY COVER AISVEA AC prom HCUTLv c8slpvation E 4 Al;? 'LATFER SFRVILE/MAC STAlI N IL'P: STATIC NAME: NIAbAkA FALLS TAP NY PEPIOD OF RLCORD: 7-A7 PON%1U: P AR PERCENTAGE rregilcy OF TENTHS OF TOTAL SKY COVER -voups I TOIAL IEST) I C ' MEAN P. 4. I CT -rs u ! 21.3 t q 4.2 a ?L L.C ! ToTALS I.e Z StATIN NtlIqER: STATION NAME: NIAGARA FALLS TAP NY PERIOD OF RECORD: 7P-87 MONT: APP PERCENTAGE PREQUENCY nr TENTIFS OF TOTAL SKY COVER ACLPRS i TOTAL (LSTI MEAN Os 'S C3-rS la.* a3, (.-[)A 7.3 G.C b. 1.b lq * ' ;6.0 * a-2P I ol.1 1.s , ;I ' i

266 K GLJ5AL CLIMATOLOGY PRAICt- PERCLNTDG FREQULNCy OF OCCURRENCE OF SKY CORER usyfetac FROM FOUTLY OASERVATIONS AIR fat-fr SCRVICC/MAC STATIcfrS NUVIT(Q: 7 $2L7 STATION NAME: NIAGARA FALLS TAP 1.Y PEIOD OF PECOPO: MONTH: MAY o.o... ' ' o o... P[TCLNTAGE FREWUENCY OF rentfs OF TOTAL SKY COVER AOLPS I TOTAL ILSI) I U T 8 9 IC MEAN OS... -C2 23.u r ? u-:13.s 40.4 N I I I T3.q 37.C IT-2L 3.5 ', L '[ TOTALS $18IO NOUPER : STATICN NAME: NIAGAR FPALLS 1AP NY PERIOD OF RECORD: 7a-7 MONTH: JUN PENCENTAGE FREOLENCY OF TENTPS OF TOTAL SKY COVIR 1OU165 j TOTAL ItSt! I C EAN Obs I~' 31, Ll-nS 13.7 ' Lt -' 7.8 t b f';-i ! I, ' b.1 b ! b.7 89? (.L Ttl S I 9. '4.1 T ? _.

267 ULj4AL CCLIPAT(L v N1A4Cf Pk6CLnjTAUr FT1 Ut.ICy F OCCURRE NCE OF SKY COVER.S tf tia rh' f OU*LY (USEpATION 1'W. "su-l: I- :'o 7STATIC'% NAME; 't 11.C4k A F tll la t.y PErIOD OF RECORD! 77-Rb 0 FIONTI-: JUL I plrcf;itage rcultl CY OF TENTI-S OF TOTAL SKY COVER (LSI I 3 ' 6 7 A 9 17 MEAN OBS ;;...:;...;...'" v. -7 ' r I C 37.1 ' TOTAL -.4.j G " L. c I 1 z I F L FAI.5 z9., '-I Tilk, -,'..7 STfIIA FI-.TICT. CI NA7E: FALLS TAr NY PERIOD OF.ECORU: MONTH: AUG PLF CLNIGE FrEQuLF.Cy OF tlntis OF TOTAL SKY COVER 0 V61 : 1 TOTAL telst I A 9 10 MFAN 08S... ;... [ :.....; I9 ~ -k i r' 2.2.-!, ? I.1! a * '-i I 2.9 t_ S-14. b y ! I" I..! o ! :1,4 ' (1:1 I I.,, L

268 GL03AL CL1IA]OLOGY RhiNCH USAFL 1AC All b.atfer SERVICE/MC PERCENTAGE FREQULNCy nf OCCURRENCE OF SKY COVER FROM HOUrLY OBSEPVA TIONS STAlIC14 ut'"4er: 7ZS27 STAIICN NAME: N13AkA FALLS TAP NY PE100 OF RECORD: PONTI: SEP PERCLNTAGE FREQUENCY nf TENTHS OF TOTAL SKY COVER POUDS T 1OAL filst3 J I MEAN Os S-c EN-nV U 27.4 ' b 29.! ? Z.3 7. L It C.S 35.8 ' 'I- 6.0 'L , TCTALS STAIli0 NUPfEP: STATION NAME: NIAGARA FALLS IAP NY PEPIOD OF RECORD: MONT-: OCT... PFPCENTAGE FIE6UENCY nf TENTI-S OF TOTAL SKY COVER OLPS (LST) J PEAN O 6$ -C2 r S r c ,1 %S t' 6-n IF L'-II 3.5 c L S I ' 2% gag ?? TOTAt S ? ee ~ e ee ' e ee * e ~ e ~s~e

269 K UL81 CLIrATOLOGY PRANCH L'SAFLTaC Al1 *EATI-EFl SERVICC/rAC PERCLNTA&( FREQUEICY ')F OCCURRENCE OF SKY COVER FROM HOLYLY OUSERVATIONS STAJICN NUMPLR: STATION NAME: NIAGARA FALLS ZAP NY PEP!OQ OF RECORD: MONTH: NOV... p FCLNAGE FREwuLENCy OF TENTHS OF TOTAL SKY COVER FOUrS I TOTAL tlst) i C 1 2 I V 9 13 MEAN OBS L b-ns 1.9 le c-11 I 3 Is I? ' l? Y , n TOTALS I U S STAT(ION 140I01': 7,27 STATICN NAME: NIAGARA FALES IAP NY PETIO OF RECORD: MON1p: DEC... PPENYAGE FREUENCY of TENTFS OF TOTAL SKY COVER IOU(S I TOTAL ILIT) I : "E(AN I.S '6.? C'--c '6-cA I a I -l I I.3 14.L s " -! c I C s Z 1-2! I 2.7 It TOTAlSI 2.J 14. 1R L

270 ILALCLIMR1OLLI PRANC-F PRCINIAGE FkEQUENCY 0f OCCURRENCE OF SRI COVER JSAFETAC FROM &QUDiY ObSI9VA31095 I All, ufa1hli6 SIRflrE/MAC STTION1 NUP-ftR: STATIEP. NAME: NIAGARA FALLS lap NY PE-100 OF REORD: 77a PONIII? ALL$ PERCIAGF F'REAIIL'ICY Of ;ENTLS OF TOTAL SKY CORER IOUS EA 101*S L11 S I a, 7 a MA 8 JAI' ALL * j19 FC E r, j S APr ) MAY IV , * J1. 9.0! l *JUL g ' *Aur 7.6 ' ' s.j b OC' #3 R ? o NO a3. I L 23.2 ', zu LC I TOTALS I

271 PPP:Ppppp AAAAAAA% ARRARR TT1ITTLCC ECE pp p LA A A R 17 PP: pp A AA A Ri CE pppppppp AALAA A4RRRRAR 77 PP AAA LLA AR AREiCCE RPL R R IT pp AA EE LA R R 11CCCECC APL A AR RR IT EEEECECEC E--

272 K TEPPERATURE AND RELATIVE HUMIOITV SUMMARIES CUMULATIVE PERCENTAGE FREQUENCY OF OCCURRENCE OF DAILY MAXIMUM (HINIMUM AND MEANI TEMPERATURES DATA DERIVED FROM SUMMARY Of DAY DATA. PERCENTAGE TABULATIONS PRESENTED BY S-DEGREE FAHRENHEIT INCREMENTS PLUS THE MEAN, STANDARD DEV- IATIONS AND TOTAL OBSERVATION COUNT. THE MINIMUP TABLE ALSO INCLUDES A 33 FAHRENHEIT DEGREE INCREMENT. SINCE MANY STATIONSISITES DO NOT HAVE MAXIMUMMIKNIMUM THERMOMETERS, THESE TEMPERATURES WERE SELECTED BY SCANNING THE pourly OBSERVATIONS FOR ThE HIGHEST AND LOWEST VALUES. STATISTICS DO NOT INCLLDE INCOMPLETE MONTHS ITHOsE CONTAINING ASTERISKS). FOUR OR MORE COMPLETE MONTHS ARE REQUIRED FOR COMPUTATION AND DISPLAY Of STATISTICAL VALUES. EXTREME MAXIMUM AND MINIMUM VALUES DATA DERIVED FROM SUMMARY OF DAY DATA. PRESENTED ARE THE HIGHEST (LObEST) TEMPERATURE FOR TWE MONTH FOR EACP YEAR. ALSO PRESENTED ARE STATISTICAL VALUES WITP TIE SAME LIMITATIONS MENTIONED ABOVE. AN ASTERIST INDICATES AN INCOMPLETE MONTH. MEANS AND STANDARD DEVIATIONS FOR DRY BULB IWET BULB AND OE POINT TEMPERATURES DATA DERIVED FROM HOURLY OBSERVATIONS. DATA PRESENTED BY THE STANDARD 3-HOUR TIME GROUPS BY MONTH, MONTHLY AND ANNUALLY IALL YEARS COMBINIDl. PRESENTED ARE MEANS, STANDARD DEVIATION AND OBSERVATION COtNTS. CUMULATIVE PERCENTAGE FREQUENCY OF OCCURRENCE OF RELATIVE HUMIDITY DATA DERIVED FROM HOURLY OBSERVATIONS. SUMMARIZED BY THE STANOARD 3-HOUR TIME GROUPS BY MONTH, MONTHLY AND ANNUALLY (IALL YEARS COMBINEDI. PERCENTAGE VALUES PRESENTED IN 1D DEGREE INCREMENTS OF RELATIVE HUMIDITY. ALSO PRESENTED ARE THE MEAN VALUES ANO OBSERVATION COUNTS L

273 IS UL 04*aL CLIPAROLOGY RAANCH CLMLLAIIVL PERCENTAGE Of OCCL'RRLNCE OF PAXI'M TEMPERATLRES USAF17AC FROM $UMA Y OF DAY nata AIR FAIHFP FRLRVICE/pAC STATION fjumhep: ST A I j NAME: NIIArARA FAILS [ P Y PERIOD OF RECORD: 51-64, Itoplifl JI. FEB MAk APR MAY.4lrJ JLL A1 SEP OCt NOw DEC ANNUAL ul S.C CA ?, GE E81 I.e b.3 V Gf p A Qb o u b b ! GE s : i70.c 099 1c00 O1.A b !E CCI b IrC." q * GE , 'O.o e b66. u( 4 1 % '. U t 3 1! o.O 90.8! * 6,! L [.7p s bc ;c -4,3 A9.2 Q 8.5 1CO S GI 'l C il 1 I td.o Gf I -".b ( i L I 1C0.c ( C : P'RAN to *. I o.k J4 9.A K128L uv! 1 ' EC 'OU C865 I..o rl

274 GLUbAL CLIMATOLOGY RRANCH USAFjTAC AIR.FAT ER SERVICCIRAC CUMULATIVE PERCENTAGE OF OCCURRENCE OF MINIMUM IEMPERATURES FROM SUMMARY OF DAY DATA STATION NUPOLR: 7752R7 STAlIcN NAME: NIAGARA FALLS 1AP NY PERIOD OF RECORD: TI PIF)I J AN rce MAk ArR MAY JUN JUL A U. SEP OCT Now DEC ANNUAL... GE 7"1.5.Q, 7-1 i.u Z.7.17 GE 51 1.c 11.5! ll ( ! f 6.2?Z IC r s.* VA GE E7I , q bf s 15.U o UE b! L.[ S I00. C (r Z31 ( irc.0 Q b 63.5 GE 3C U, InO.o q LF, -m '7,-b 12.2 S G.0! I, bf Z' i )O.j t f,r ],I 6J S9.4q 98.4 fl GL I b C ' '.. j 9C.3 9* $ ;, E S (IE "~ T8.C b r F -1 5) C I[o i' -1'I ' GE - I l-q.u I d69 8,0!U S C TO1AL ORS 9 ' c V

275 K SLJEAL CLIMATOLOGY PRANCP- CUMULAIIVE PC CENTAGF Of OCCURrLNCE OF MEAN TE14PERATUR(S USAFETAC F901 5UM4ADY OF nay DATA AIR 4EATFER SRVOCE/MAC STAION NUP:fLP: I11U NAPIE: NIAGARA FALLS OAF NY PERIOD OF RECORD: TEMPfF)I JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNVAL... GE Ecl GE ? br SE ' l f? A3.0 99o St s a uf. 1, ni U Po.O (E Gr 8q' t , ro i b ; I- 3ZI 7.! C r LE,-I b t Ft b IO.b GE o ue SI E ; U.L 1 EC.o 99.9 VE I7.9 10C.0 iso *C ull -1-i 1r0,C I ' u I C Co 18.5?1 TOJL OPS I CC o IC865._...L_

276 GL OBAL CLIMATOLOGY BRANCH USAFLIAC AIR %EATHER SERVICE/MAC EXTREME VALUES Or MAVIMUP TLIPEBAIURE IFROM DAILY OBSErVATCNS) STATION NUPEP: STATION NAML: NIAGARA FALLS IAP NY PERIOD OF RECOPD: 5-b4, t8-a7 WHOLE DEGArES FAHRENHEIT ALL VfAP JAN FEB MAP APR MAY JUN JUL AUG SEp OC T NOV ILC "ONTIS I9.8 *as A '. 62 bi s p So A A' A! 96 Al b 57 9b % Ad h1 b3 7-0 d # AD b '.7 A a S5 '8 Ay A! b S 38 5 C b0 b 00 Al' a f ' z P 6 78 d2 62 b '6 08 rn 52 ' AS as ND ' A ? b7 b8 61 bb 79 S9 0 Z.1 'l9 e60 6' 60 (1 I.45 40~ ~ e 3 97 r A 63 '.9 3 6' 52 A dap I8 '57 SI b9 51 ' A a 2 a ' 6' ' ' P,2 85 on d8 Be 89 s B9 'I I ' ' '5 6' A b9 7P 75 as o b 9 7'9 5' 5' a ' 60 ' ' a. b t '!65 7' 8' a S9 ' ' ' z ' a8 87 al q I 5! 9A 59 7V C Z P 1 '9 6' 69 7' 81 ta ' ' 08 a so 45 6'. bu I Ao al '6 55 TV '6 9S NOTES IPASLD ON LESS TIAN FULL PONTPSI B (AT LEASI ONE OAT LESS THAN 2' 065) CONTINUEO ON 0,Ell PAGE...

277 GL113A. LIIPalIOGV "RANC (xtrpe VALUES OF MAXz-t' II'-PERAICNI US AF L A C AIR.FATHER 6Fr8ICE/MqAC 4180P4 O111 0bSERVA TUNtS I SIT11tN NUMI1LR: 7:5787 S5I110 NAME: NIAGARA* FAILS IAP NV PEOL00 Or PLCOITO: to-97 -M...N-T ---%- ALL V I4 JAN F EP MAR APR -!Ai JUN JUL AUG SEP OCT NOV LLC MORT.S 85 $ A9 AZ b ; Aa l QS aq 91 IA 99.9t A.6 86 ; S 91.2 S I. b- CO f.1! 3. 5Zn T TOTAL A S NOTES * IPASID ON LESS THAN FULL MONTHS) A 4I; LEAST 0N1 DJAY LESS TPAN

278 GLOBAL CLIMATOLOGY BRANCH EXTRIM VALUES Or MiNiMU TLMPERATURE usafetac IlRCM DAILY OBSLRVATIONSI AIR w[atg-(r!r8ic[imac *sat ini NLRLR: r3a ION NAME: NIAGARA FALLS IAP NY PERIOD OF RECORO: 51-64, ( WHOLE OLGREES FAHRENHEIT -M-0_N-T-H-S- ALL ItA8 R JAN FED MAP APR MAy JUN JUL AUG SEP OCT NOV E'CC MONTHS Nj I e S q b 48 S SL c i I a C i *60 * tj 3 -A -5 s * ob b e I c Al u I8 e a s I io I s z b s so c -5 I ) SS f, O I r I b NOllI E 45BA(D ON LrSS TI-AN FILL PONIl N (AT LEAST ONE OAY LAsS It-AN CONTINUED ON KEXT PAGE... L.

279 GLOBAL CLIMAIPLOGY BRANCH USAFETAC AIR UEATgPER SERVICEIMAC cxtprtc VALUES OF 41I'41Ut' TEMPERATURF IFROM DAILY OISERVATIONS3 STATION NUMTER: STAIICh NAME: NIAGARA FALLS IAP Ny PEP1OD OF RECORD: S-64. (6-67 WHOLF DEGREES FAHRENHEIT -M-O-N--l-S- ALL YEAR JAN FEB MAR APR MAy JUN JUL AUG SLP OCT NOV EEC MONT S * $ I -1) S ' o L t, *b I R I P!EAN I ' A !.s -4.5 s f % * S TOTAL OS I V NOTES * IPASLO ON LFSS THAN FULL MONTHSI I IAT LEAsI ONL DAv LESS THAN Z4 OBS L

280 LAL CLIVA'IOLO&Y Pk I.CH UPY-tUL IL'P[ERATURES UI6 F FOP rfans ANO 579AUAR DEVIATION$ tsaf(tac F(-L0 y ObSRVTIG5S AIR WrA7ICC SFPLCE/MAL *SiTlC NUMnLr: 72'527 Si)IAi, NAME: I I4AGAWL FALLS ZAP PIV PETIOU OF klcop : 77-b7 hoi,3si SiltS ja% FEfE 4AR APP -AV JUNl jul fug plp OCT NOV IC AN K L 1 T I I... IE A 1,z '' 'r. 6 f695.2 z.. 9 1; ; 9.8a 44.7 S L3-ri I c J C *lo1? Csi 929 r'3 AL 911C 930 C0 93r 93( S Ed 0 IL.b 6 8.b7 '# e ITO STe0 I , 951, 93; 1U 931, I 71'AN # ,,.9 0( ' b8 * E E Sr I O I.d C SIi C'"S I 42t ' c 930 9:, U I '(0 I o #6.4 7S '0.0 )9-11f S I I II ?7 a C.029 )ItO 0-"SI L V,: 93, goo I AN i o A8.8 S6.Q S' 1 9.4' S 11.75, 11.64J c.i c08 A b (6 1o1 01si 93L 84b 92b 91c 9!c b I -LAN I : Z.4 64.a A8.8 ' !n I 9. 3,0.84 U u.25 i , S67 9,6q I10 0r j c 9-C 930 9n Y I "189 '!.u 26.0! c'.6 T i.1 '2.3 O t I 1. '.. t 10.S, , V2 E u3 I1O1 0AS , C 93U c 93L I 'LAN b ( G U r il 9S, I 9.7!C 1u b o U7 S * q 10.22' ei'5i re 9U C97 97k ! "AN L. 4 2' (5.% 72.c 99g G ALL I I I,, 67' l;ws I (nt O-,SI 74i 675s ' ( ,, ', ~ ' e e L'e

281 ilal rlimatolo VR JCH CIT-bUL? TE"PER AIURES D[G F F(O4P MEANS AND STANDARD DEVIATIONS usr nitac,ut L Y 8EOVA O TIOJN AIR.IATHFI SFRVICL/PTC STAI*1 rjum'flf: 7-52a7 STAIIN NAME: N11EjRA FALLS TAP f:y PEqIOo or PECOPO: ~~~. ~~~~~~~~~~~~~~... * ~~~ ~ 2. ' t,2e C ' ; cc-b2 I s 9.6S b b ! ! TOT 8Sf 69,.4! J3 3fl 93C I ft16 I 0, u EC ? ; * -:15! 5 I 1U b ' P I lyt oirs 894 N SEN 931 9oO 9 5c 93C cu 927 I068. 'EA 5.t?I f ; I-"1 SO I P.0P7 b b C2 E1 051 ATE fit I "1.' (b.2 65." r '5.1.9-ill ' I 9.7E E I1ToT OllSI 9C , 9{U0 93L I P1P I 23.E b 55.U 6Z 'C l-14? " " 9. Lc 13.CC9 9.64c E.5C Cosl C u P I, 2LS L i ' i i7 sr 3 I 8 g i 8.E I OT C N,9 9..j ) PLAN M:E l b.. ' i ,1 SP I I2.29q b S T1 01,5? L 9 "12C 93C I "11f.N I I.'U IS li :1-231 sr I 9.77 IU , 7.7! ITUE os1 9C ' k i C 8R I PC7 A -' '. 4 C '6F,.7 C S '4.0 ALL I s5, I c 682b S C UPS110I E'2S 1 ' t ! !t

282 I- GLOAL CLIMAIOIOSY 9A65C- UE.-POI'AI TPtPLRATLRLS DEG F FROM MEANS AND STANDARO OCVLITIONS USAFETAC FOURL OBS[VA7IOft Ai[f.EA7KlP SARVlrE1MAC 5 1AT5710 NUVrLP: STATICN NAME: NIAGA a FALLS IAP NY PE1100 OF RECORD: I OLAN I " 3j.A F ' , -21 5) I is b6, L 7.22L ?., TO?,S, d p9 a I V^N '2.6 ' _S-51 So I 11,.5T o d , C9 Sl O3I C MEAN I C 23.b 34.0 r S.c CMI SO , * I TOT 015J L 9!c * "LAN I A.8 25.S (6.8 F : *.9-i:I SC I ? C S1301 OrtsI 97 P4 2 9Il 9cc S C I1G.45 I C? C *ITOT OPsI u 9c :,(,N I cz , " ".0 ' l SE' l I ? A OT 075? ". I "085 I 11, , ; LI S. J C0 I TOT OR s 9" n9 92c IC8... I -LAN 1 i 6.e 19.1I 2b t R ; q 21-,31 sr I C ; b! I101 OQsl C D o...,...oo...o...oo.o...o~...o......,......,... I "L^? I L ' ALL f SD I b d "a0(js5i101 05s? q 727b 7191) Q L.

283 (L3bAL CLIPAIOLOGY BRANC- CLMLLAIIVL PLP(ENYAGE FPLL'rtNCy OF OCCURECE RELATIVE HUID1TY usatriac FPOP I-OURLY UpFRVAIIONS AI1 wfayhiel SrRVICEIMAC 7 STATION NUMIALF: 7Z A1ION NAME; NIAGARA FALLS IAF 4Y P 100 O OF RECORD: 7q-87 MONPI: JAN MONT FI OURS I PERCFNTACE FREOUTFNCY or RELATIVE -IMTTIIY GREAIEP TVA- I MEAN I TOTAL I I (LST... IRELATIVEI NU1 I I 1L! C 3 L.4I 409 SG 60% 7"% 80l 902 IHUMIDITYI ObS I I I J AN I ru-c? loc. C.r? S S ! I LI I 1J'.'L iv U r I I I b-go I!00.q oc.C 98.1 S ! I I I (O cc-f.s-, I.9!, ,.4 17.,3 78.,1 904 IZ , 1oc.r E C b3., Z, O.C C " IGO c. I J.f P ,R ltls I.3 G.0 10C C L

284 bl ;6AL CLI AT OLOGV RIR3NCH C UIIJnTTVt FEPLENIAGL FPEQU NCY OF OCCUPRENCL PELATIVE HUMIDITY USAFE[AC FOM I-OURLY URSFRVTIONS AT R.[Ar)Ek SERVICE/M4, STAI(.N NUPIPLP: 7,'528 1 SAIION NAME: NIA(EF.G FALLS IAr P:v PEPIOD OF RLCORD: 7P-87 -ONTIP: FEB T tu, IE CE t ACt FRECU[NCV OF RLLATIVE.IPMIITY.GRFATER TIAN I MEAN I TOTpL ILSTI I o ,.,,....irilativ I NU" I ). 2C% 3,% 4Cl L ect 90% IprIDITYI 08 1 FLAI to-c2 I Ion. oc. 1.C 1C3. C ;'3-C5, 1-c.j if".! 10C.0 ice.c R q 7q n 6-CA 1 If. co. C q 9q b I9-11 I!n.o 10L.C ILL ' I-*.i 1jo.,r t) t I Do.z ICc.E e Sn.? t l-2 I,,.. 1OO0. 91, b? :1-2! 1o.L Ici.C L,.G IL. L 99.5,2.? ! I ICTALS I IC.? 122 *,C b L

285 IlLOUAL CLIPAICILOGY BA. CL'MLtLAlIVE PLRCENTAGE FFLCLENC9 OF OCCLPRENCE RELATIVE HUMIDITY USFETAC FPGM FOURLY OfSfPVATIONS AIR 4tAT1IF SERVU(EIHC 51ATIC humylt: 7U STATION NAME: NIA6ARA FALLS TAP NY PiEPO OF PLCO0: 7P-87 vonti: MAR VONl 1440o j I percfniae FRpCurrCy OF RELA7 IVE FItMIDITY GRrATEP T44N I MEAN IOTpL U (S! S I... IRELATIvE NUI I I I ZT Lt 3L% 40G C% 90t IHUMIDITYI I.At, I I L c.z 1 Cu.C a9p. 69.9) " C I I I 3-1:t ir.i,l1.. r 1UD C '6- A 13, 1E0.C 10.c [ I 9-11 I,.r a 100 9' i lilt q Ic* I0.C 9.,S R L t I S5-1 I I n. ) 13X0.7 M go.; 16-2" I. 100.C , I!LL.- 1C2.0 U.0 lo.r 96.1 a4.2 b2.c n On I : 10.0 q L

286 - - IJ AL CLIMATCLCG S AIJCH LUMULATIVL CEPCENTAE FFLOUEKCY CF OCCURRENCE RELATIVE HUMIDITY. AFLI C F!WoP OURLY 08E VAT IONS AIh.[aTFV SEVICE/FAC 51AIION NUMdLF : STATIOf NAME; NIAuARt FALLS TAP NY PEIOD OF 8EC08O: 7n-97 "ON.: APR ror.if HOURS I PERCENIAGL FRLCUENCy OF RELATIVE -UMIUITY ORFATER TAN I MEAN I 101L I.. I (L. I...IRELAI.I NUt. *I f ANR DO-C' I I 10.r CC P %6 C '3-25 I1 101 l.. C ; C I 6-L I Io.3 Ic.2 i00c. 9P ' E II 1 9-II I I 1. C y. ye L Ir-I 1,r R ?.' ! Iti-17 I 11C.? L lb-2 1,; ? C CL I ,n.: 1C.c ? ( I I I(-TtS 1 :. q* P b.5 719%... Li

287 F. bljbal CLIIATOLObY WAIJ-CF CUMLLATIV[ PERCENTAGL FrILOUE NCY OF OCCLIZRENCE RELATVE LHMIOIY JSAF tac FROV1FD OURLY ORCRVATIlNS AIR f ATHFR SFRVI(L/tMAC 'TATION NURLF: 7 52:7 STATICN NAME: NIAGA ralls IAP NY PEQIOD or RECORD: 7-87 MONTF : MAY MONTH; HOURS I PERCENTAGE FRIOLtCy OF RELA71YE 1UMIDITY GREATER TlAN I MEAN TOTAL ILSTI... IRELATIV IE NU I I JOI "Cl ]L,% 401. SO% ,C% ec% 903 JHUMIDITYJ OBS I. MAY LO-C I 1:0.3,:o.r IOC.O 9p b "3[C - c.n l A I -se 1 co.n I1f3.C S I 9-1! 1r, 'n ! af L I - I ICO.c 99 * S I I1] r E I 1a-27 1., b9.9 6P b I Ico. I 0 0.c z C L I T O rc.c q b %, L.

288 GLO3AL CLIMATCLOGY rrainch CUMUL i IV PEP(T A G6 IPLCQUr4CY OF OCCUq[RENC RELATIVE HUMIOITY LSAFLTAc rpo' Y OUPLY O! S[VATIONS :6p SCRVIC(/MAC STATION NtIMYEF: STATION NAME: JAGARA FALLS lar NY PC :IOU OF PECOAD: MONTp: JUN... M;O.1I liouws IEI PC CNTA GF W~tU EN V OF RELATIVE VUID Y GR FATER EVAN I MEAN I TOTAL I LSTI... IRELATIVFI NU ) c% 10 6c t o u 90% ptl"1flyi 06 1 JUN I I f'. F ICC.O r I 3-Z I 1,c. - Io cc c Ion. L b : - 1 c. 10 c c e L 'I9- I n.0 13U.C.9 94, 76. i S IS.A I z - 1 'o.',.r 98., A t ; I r6.3 7E.' L Isz 'co.ft 10.C 96 f 87P.6p P I21-2 Ioo I ITOTALS I c.: I

289 K GLJbAL CLIPATOLOb HFANC- LUPLLAIVA PERLEPOAGL FO1L'NCY OF OCCL'PRENCE RELATIVE HUMIDITY r USALITAC Th0M -OURLY O'STRVATIONS AIR.FATHER SFRVIfC/MAC STATION NUP;LP: STATION NAME: NIAGAkA FALLS IAP NT PERIOD OF PECORD: "WIT F-: JUL "... MONt HOOPS I PETCrNTAGL rp[qu2tnc or ELATIV HIOIIY GREAIE U-AN I MEAN I 1O1L I (L511 I... IRELATIVEI NUP I I I ILT 2c 3L% 4C C% 6 0? 7 z HUMI I I I JLL I "IL-(' I CC.2 cu.c ICO.0 10 f, p t. I I -S cc r I O C , 9,) I :6-14 I, IC0, : I IS I I I, I r 99.F I I I' n I,.- 17 I U:!.n 111C ' 4e t I 6- z I o:1 11". c 48.9q 9G. 7 6R ? A t t2-2 1 I j...c I cc h O)ALS c. L I '0. 9q (" L

290 I-U GLOJAL CLI"AIOIOGY SPANCH CUMULAIIVE PLREENIAGL FFL.OUENCY OF OCCUPRENCE RELATIVE HUMIDITY t, USAFLTAC FPOM HOURLY OFSERVATIONS AIR i.atper SERVICE/MOC STATION NUMPEP: 7'5267 STATION NAME: NIAGARA FALLS IAP :V PERIOD OF RECORD: MON7i: AUG... -O41HI HOURS I PERCENTAfE FREQUENCy OF RELAIlVE -UMIDI1T GREATER TIAN I MEAN I TOT*L ; I (1513 I... IRELATIYEI NUP I I I 202 3i% 4UT 90% 60. 7o got 901 IILMIUITYI OS I AUG LC-C I C. I CC.C.IOCO lo ' I2a.C IZL.C IC.C l0t.,t P E Ib-p Iuc, ioc.c ioc.r 10.C 99.P P % Ig9-!!! 0oo Iou A.9 9C.9 68., a IO U I15-17 I1 C I L ' I v7, 101. C 100.fl 10" , lc. I 1. OE,1 10O.C lo.c e.e [ IT7ALS I 102. ioc.f P.' b

291 GLtflAL CLIMATOLOGY EANC- CLML*LATIVE PEFL(NTAG Ft'LOVENCY OF OCCLRENCE RELATIVE HUMIDITY USAFTA C FZOM -URL) 0ISFEVATIONS AIR neather SERVICE/MC STATIVU NUMtER: STATION NAME: NIASARA FALLS TAP CTY PL02OU OF IHECOPU: MONTI: SEP 01.1HPSIPPCr 9 TAGE r 8 L~ut FCV FRLTV 1-IITUTY 0 GREATER 1I'AN I MEAN I TOTAL I (LS 1 I... IRCLATIvEI NUr I I I TA 201 Llt 4L' % 7ri 80t 902 IHUMIEITI SEP CG-C2 1 n I J.0 I1a0., 1o C3C I. I I."J. oc IC.0 10c.C M.C ; 3 I " C. 1c. C b ; IA-11 I1 c.,- 1) L I e -14 I C , ; *!5-17 IC0 o.: I 0l ! q I la-z' I 1: I I 1 v U IUOC I C ; ITOLS Io1115 Io

292 bildal CLIPATAVLubV 9iaNCIl CUMULATIVE P'LRLENIAGL FREQUrNY OF OCCURRENCE RELATIVE HUMIDITY LSAr EAC FkOY [UURLY O[tS[RVATIONS A8IN.(A I REf SFRV I cc/m 8 A 0 'TA10N NUM-:LTZ: 7252E7 STAlIO NAME: NItGARA FALLS TAP NY PLPIOD OF RECORD: MONTI: OCT ILSTI I... ILLAIVEI NUt I IL jla 31%tl. 402 ILI 60? 7C Vt? 90% IPLMHIDITTI OCT I c. 1. 1G. C l(c.0 lot." a '3-Z S I. 10Cc 1( , I6-Cft!t.l Ic oc ! "9-I 1 l'.c 1l0(. r L 12-1k I o, C 10I0o b I 1 I.*fl 1.,.Q 9e.p ).r L 1 I6-2- 1:0.0 2IC6. 2I e ,; so: 1c.C 1(C0.0 9q ? 7S." t ITOIALS I loc.,, p 9e b0.7! *...*...*...*... *...*...*o...*...**o..*.*...*.l.

293 V blial CL1PMIOLOGY LANC CLML:LAT 10 PRCLNTAG[ FPEQOIrtJY OF OCCIRRENCE RELATIVE HUMIOITY ISAFETAC FP OSfRVATONS AIR WEATHrP SfRVIrr/MAC S3TIO NURE0: 7?5267 STATION NAME: NIAARA FALLS IP JY PEPIOD OF RECORD: MO 9 TI7: NOV * 2NT1 I L200S5 I PECFNTACE FplouRt, PLLATlVE 1IM]1010 ORFAIEP T-AN I ELOF MEAN UTOgL I ( I.LATI.I NUP. *I I Ic zr'1 3.t o 8f 9O IHUMIDIOVI 085 (-V I U- J'7 IL 200.c 1u.C * I7-r I Co 1C0.C IU.C E ( 6- r,r. I. ic.c ICO. 1o.: L S.9-I I c : C L OO.0 99.O E ( l I tc IUO b S ].0.L I., 100.0' ' b C Ot AL zc.s I C ! L

294 L')HAL CLIMATOLUG nr4pjcm CUHULAIIVF PEPLENTAGL FREQUENCY OF OCCUOPLNCL RELAIVL HUMIlUlly USkFrTA 0 FIG- -OURLY CBSEIVA7InNS TATIO NUM0L: 772S7 STAFIION NAHE: NIAGARA FALLS 1AP.Y PE'100 OF 4LCOU: MON11-: rde C... * MON.TH 4IO065 I Pf PCF NIAcE FRLQUENCy OF 1LATV IIIMIUIIY GREATE IlRN I MEAN TOT/LI ( LSFI *... *., o I fls I. MELA [LA/ I V I T1406 t U I I 2, 3% 6% c)0 65?1 7 Ut E7 9O% Ii-ItITYI 09S I... Ij. 1U. Z)L. r-c 150. I~o f 5.8A Z I;7-2 I 1 I "0.0c A I - 1 o.d.: II IUC. 1q I 1.1 qq ! I i-i Ifa 107 In C I12-14 I 1-,lj L ' I 1: i Sl-zc Ir r.f I 10.c G IG.r 97.C 9n "24 I i-2 I :1n.2-100G.0c IuO.C IL0V II IOT LS I. 10o. G C ! (

295 *D-A MI iga FAtLLS PI 1 ~ FtY0 OlNUVR(IV~E 4/4 UNCLASSIFE im* 'CA FfUW R~~~~

296 ULL 1-26 *1

297 GLOaAL CLI'ATOLOGY DRANC- CLMULAIIV[ PLRCELITAGL FRQLL'ENCY OF OCCURRENCE RELATIVE HUMIDITY USAFETAC FPOM iurly OIIS(RVATInNS AIR WFATHER SF.RVIC/"CIC STA1101 NUMBER: STATION NAME: NIAGAkA FALLS TAP NY PERIOD Of RECORO: HONTp: ALL o... o... IO:.THjU. RS... PERCENTAGE FPLGUE14C. OF RELATIVE.1-UMIITY. GRFATER TiAN. MEAN OTAL S I... IRELAITVE MU I I 1o A ' % 7o1 8CT 90 HUMIDITTI OB I JAN I ALL I ic0.f 10O.C 1GO.c a.r FE I 1CC A i 30.: C z.S 72 AP:4 Icv. 0 9S ? 65.! C MAY 11C , S SJU I 10C.3 1oC JUL I!n.o I0G.C s E AUG I 1,I I3' SEP :uo.a 102.e OCT IcC e NOV C S DzC!0n.o IOL T1OTALS I C. 130.c R7303 j I. 4' e

298 PPPPPPP6 LAALA auruu ITITIITIIT FFFFFFF pppppppop AAALL an"roorr ITITITTY11 FFFFFFVFFF pp PP AL A AA RUI Ff PP pp L LrR M IT FF ::PPPPPPP :a LA LRRORR IT FFrFfF pppppppp AAAAAAAAAA ARRRR TV FFrFFF pp A LA 0R:R 1 FF PP LA AA 71AST FF PP A: A S I1 r 44

299 PRESSLEE SUIMMARIES STATION PRSSURE SUNMARIES S ~ ~ ~ ~ ~ ~ ~~~~i "NRZDB H TNAD3HU IEGOP YMNTH, MNTHLY AND ANNUALLY tall YEARS COMNII. PEESEMTEO ARE THE NEANS, STANDARD DEVIATIONS AND OBSERVATION COUNTS. SUMARZE ARE THE SNAR TIEGOP lowsu Y MONTH* MNTHLY AND ANNUALLY IALL YEARS CONSIREDI. PRESNTE ARETHEMEAS TANDARD DEVIATIONSANOBEVTNCUTS ~m-40l

300 GLOBAL CLIHAIOLOG6 BRAiNCp STAIJON PRESSLRL IN INC1f$ PG FROM PCANS AND SIANDARD DEVIAIIONS US XFETAC 1DURLY ouslpvaiions AIR,EAINP SERVIE/.AC STATION NUO09EP: 71-S287 STATION NAM9E: NIAGARA FALLS IAP NV PERIOD OF RECORD: OURSI STATS I jan FEB MAR APR "AV ANm JUL sus SEP OCI NOV LEC.0p. LSI I I Pl AN I S 29.30( ZO I SO *257.2S9.i bO ? OpSI JIL S S2" 0". 1 So.3C b * I OT CGISI 31L 2s S2... ::::::::::::::::::::::::::..... o... o::::::::::: : I MEAN " 07 I So I.315, ,231" I 31L 282 slu 3Co 310 SOo S I "AN I29.37U ? 29.37!b S ? S c I Sp I , M1Y1 O1sf 31C (A 30 itsl So i I Sp1 I L.24S OSI JIG 3GO 310 3oo C So S2 EAN I ,c S 1 P i.30? l "101 upso CO 31C "'" N' S '"'''''"'" "'" 29.;315''293312" '' ];' ' '' ". 19 I Sps I , S ITO OqSl 31C W C S ;:;.;;;;.:::::::::::::... :.... I 8N I 29..q I SD I q IS "lid 00SI u 3f.O IG SIC S1 t. Ip I sS ,' '.ga 2.7 ILL I SD ".00ouR1o0 0otsl 210C 22S6 241PL u eu di 0 _.l _....,...

301 LSI GLOBAL CLIPA70LOG 614ANCF SEA LEVEL PRESSL'RE IN fqps FRO- "EARS4 A10 STANDARD0 DEVIATIONS u SArr Ac 14OURLV OESERVAIIONS AIR IwLA1TNER SERVICC/HAC STAT10N NUMPLRt 72'5287 STATION NAME: NIAbARA FALLS IAP &V PERIOD Of RECORD: I~O6.it: JN 511 FB PR AR A N ~jul ALO SEP OCT NOV EEC ARN I 4EAN b ICI b o18.z at I SO e I0.! : # b2% I1O101 u Stb 301: IG I RE. I126?1AB7 106& l IfIa 4OI ? a.so OPSI 311) Safi I K.ANi I lol a16.0 1, So ITOf OSI LO 300 s31) : 310 3c iv 13 I so T OrSI L T;,... " 1EN G sip I SicG 262 Stu 30C 31D I MEDA S ;:; r 10.56b ? It. 301 S ; ORsI U 3130 S S K-wdt 19 EAN l027.& Io t I101 0'1SI I I so I S o %68?.715IS 1101 CR L, I PEAR ALL I SD S.620 %.55I S *.%?a 7.966,idURS1lO1 ORSI? "tell D IA, A 0 ~ A

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