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MOPERATING LOCATION - A
USAFETACAir Weather Service (MAC)
13SAFET~c' REVISED UNIFORM SUMMARY OFSURFACE WEATHER
OBSERVATIONS
YOKOTA AB JAPAN MSCI$ 476420
N 35 45 E 139 21 ELEV 457 FT RJTY
PARTS A -F HOURS SUMM4ARIZED 0000 - 2300 LST
PERIOD OF RECORD:HOURLY OBSERVATIONS: MAR 78 - FEB 88
the. UTSUMMARY OF DAY DATA: NOV 47 - FEB 88 AUG 2 6 16
"Approved for public releaseFEDERAL BUILDINGDistribution
Unlimited"
ASHEVILLE, N.C. 28801 -2723 o%
I
88 7O7
-
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RR UU LI SS Ss SS s ww wA 00 00RRRRRRRR UU UU SS SS WIW WW 00
00hARRRRR UU fDu 55 Ss WW WW Go c0
Hqp PR UU UL SS Ss SS SS Ww I W6 00 00BR pR UU Il ss sss sss SS
WW WWW ww 000 000RR Rp UU UU SSSSSSS5 SSSSSSS WI5 wwA WA ww
00000000RR FR UUUDUU SSSSSS SSSSSs WWW www 0OOO
STATION NAME: YOKOTA AB JAPAN
STATION NUMBER: 476420 CALL ID: RJTY
PERIOD OF RECORD: HOURS SUMMARIZED: DCDO-23CD LST
HOURLY OPERVATIONS: MAR 78 - FEB 88
SUMMARY OF DAY DATA: NOR 47 - FEB 88
TIME CONVERSION LST 10 GMT: -9
NOTE: DUE TO ADVANCED AND MORE THOROUGH QUALITY ASSURANCE
PROCEDURES EMPLOYED AT USAFETAC/OL-A, MINOR CHANGES 10.THE DATA AND
STATISTICAL VALUES FROM PREVIOUSLY PUBLISHED RUSSWOS MAY OCCUR.
_ -.
-
OL-AuSAFETAC/MAC/AWS REVISLO U4IrODM SUMMARY OF SURFACE WEATHEP
DFSERVATTONSASHEVILLE NC 28b8l
HOURLY OSSERVATONS: ALL RECOR OR RECORT SPFCIAL OBSERVATIONS
RECORDED ON THE AWS FORMS IC/IDA AT SCHEDULEC HOURLY
INTERVALS.
SUMMARY OF DAY DATA (DAILY OBSERRATIONS): DATA COMPILED FROM ALL
AVAILABLE OBSERVATIONS WHICH INCLUDES HOURLYOBSERVATIONS AND DAILY
VATA RECORDED IN COLUMNS b6-73. AwS FORMS 10/ICA.
DESCRIPTION OF SUMMARIES: PRECFDING EACH PART OF THE RUSSWD IS A
bRIEF DISCUSSION OF THE SUMMARY INCLUDING THEMANNER OF
PRESLNTATION.
STANDARD 3-HOUR TIME GROUPS: IN ALL SUMMAkIES SHOWING DIURNAL
VARIATIONS, WE SUMMARIZE DATA USING THE
FOLLOWING EIGHT 3-HOUR TIME PERIODS IN LOCAL STANDARD lIME:
003-02O, 0300-5001, 060C-0800, 0900-110L.1200-1400, 15C.-17L, I
0OC-2aOOn, 210C-2300 LST.
FOR A DETAILED DESCRIPTION OF EACH SUMMARY WITH EXAMPLES AND
EXERCISES ON ITS USAGE, SEE USAFETAC/TN-S3-30I, 'AN
AID FOR USING IHE REVISFD UNIFORM SUMMARY OF SURFACE WEATHER
OBSERVATIONS" (AUSSWOI.
TABLE OF CONTENTS:
STATION HISTORY T JmPART A: WEATHER CONDITIONS AND ATMOSPHERIC
PHENOMENA SUMMARIES I 0PART B: PRECIPITATION, SNOWFALL, AND SNOW
DEPTH SUMMARIES ." "- " '- k '
'
PART C: SURFACE WIND SUM-ARIES - 'C
PART D: CEILING VERSUS VISIBLITY AND SKY COVER SUMMARILS
PART E: TEMPERATURE AND RELATIVE HUMIDITY SUMMARIES I - I
PART F: PRESSURE SUMMAPIES ' .t" C '
AWSMSC NUMBER: THIS NUMBER IS THE AIR WEATHER SERVICE MASTER
STATION CATALOG NUMBER. THIS NUMBER IS COMPRISED OFTHE WMO NUMBER
WITH THE ADDITION OF A SUFFIX (0 THROUGH 9). IN CASES WHERE THERE
IS NO DESIGNATCD WfO NUMPER,A 5-UIGIT NUMBER IS CREATED IN
AGREEMENT WITH WHO RULES PLUS A SIXTH DIGIT. THESE NUMBERS ARE ALSO
REFERRED TO
AS DATSAR OR USAFETAC NUMBERS WHICH UNIQUELY IDENTIFY MORE THAN
15,0C0 REPORTING STATIONS WORLD WIDE.
- - ---
-
* STATION NO. STATION NAME LATITUDE LONGITUDE FLD ELEV (FT) CALL
SIGN WMO NMBRON SUMMARY
: 476420 YOKOTA AB/FUSSA, JAPAN N 35 45 E 139 21 457 RJTY
47642
STATION LOCATION AND INSTRUMENTATION HISTORY
Nmbr Type At This Location Elev Above MSL OBSof GEOGRAPHICAL
LOCATION & NAME o0 LATITUDE LONGITUDE 'ER
Loc Station From To FLD (FT) BARO (FT) DAY
Yokota AAF, Japan AAF Nov 47 Dec 48 N 35 44 E 139 2 46, 426
:4Ynkcza AE, apar AF Jan 49 Feb 55 Same Same Zame came 24Same Same
Mar 55 Feb 56 Same E 139 2( 434 Same -4Same Same Mar 56 Feb 59 Same
Same Same 420 24lame lame Mar Jul j Jame Jame 65 4me 4ame name Aug
Mar ame ame ame 46,
Same Same Apr 62 Dec 70 Same Same Same 439 24Same Same Jan 71
Nov 77 N 35 45 E 139 21 457 Same 24
9 Same Same Dec 77 Jar. 88 Same Same Same Same 24
)
Nmbr Date of SURFACE WIND EQUIPMENT INFORMATION REMARKS
ADDITIONAL EUI-of ChangeLoc LOCATION TYPE OF TYPE OF IT ABOVE MENT,
oA REASON FOR CHANGE
TRANSMITTER RECORDER GROUND
1 Nov 47 Not available Anemometer None N/AApr 53 Atop baseops
bldg SW end rnwy AN/GMQ-IA ML204B 40 ftMar 54 Atop wea station bldg
Same Same 75 ft
4 Apr 55 Atop baseops bldg 150'.o Same Same 60 ft5 Apr 56 On
platform on poles, 150' Sof Same Same 30 ftBldg T-900
Ap 59 Outside ROS, at W side of S end AN/GMQ-l1 RO-2A 13 ft
7 Jan 72 900 S and 500' W of extreme AN/GMQ-1 RO-2A 13 ftN end
of rnw 18 3f2e. 800' N ard 500' W of extreme Same Same Same
8 Jun78 S end of rnwy 361 Jn 88 1&2: Same Same RO-362 SameS9
Jan 88 1&2: Same iGMQ-20 *Same 12 ft
_ _____ _ _i 6 ___
-
pppppppp ALALALA PRPRARRA TTTTT7T AAALPPPPPPPPP LA AAA RRRRRARR
TTTT IT LALAAAPP PP AA A NR R pTI ALA ALAPP p PP AA A A P A R L7 A
AAPPPPPPPPP A A A RRARRRR IT AA AAPPPPPPPP AAAAA L RRRARRA TT
LAAAAp PA AAALAL kA RAR TT AALALLLAALFP AA AL R R IT A ALP P A AL
AR RI F, A ALAp P A AL R PR IT A AL
-
WEATHLR CONDITIGNS ANL ATMOSPHERIC PHENOMENA SUMMARIES
wEATHER CONOITIONS SUMMARY:
1. A PERCENTAGE FREOUENCY OCCURRENCE SUMMARY OF VARIOUS
ATMOSPHERIC PHENOMENA AND OBSTRUCTIONS TO VISION.
2. DATA BASED UN HOURLY OSFRVATIONS.
3. SUMMARIEj uY THE STANPArJ 3-HOUR TIME GROUPS BY MONTH.
MONTHLY AND ANNUALLY IALL YEARS COMBINED).
ATMOSPHERIC PHENOMENA SUMMA0Y:
1. A PERCENTAGL FREQUENCY OF DAYS SUMMARY OF VARIOUS ATMOSPHERIC
PHENOMENA ANP OBSTRUCTIONS
TO VISION.
2. DATA BASED ON SUMMARY OF DAY DATA.
3. SUMMARIZED bY MONTH WITH ALL HOURS AND ALL YEARS
COMBINED.
DEFINITIONS:
THUNDERSTORMS: ALL REPORTED THUNDERSTORMS, TORNADOES AND
WATERSPOUTS.
RAIN AND/OR DRIZZLE: ALL REPORTED RAIN AND OR DRIZZLE FALLING TO
THE GROUND BUT NOT FREEZING.
FREEZING RAIN AND/OR FREEZING DRIZZLE (GLAZE): ALL REPORTED
FREEZING. FAIN OR FREEZING DRIZZLE.
SNOW AND/OR SLEET. SNOW ITECLUDING SNOW PELLETS AND GRAINS. ICE
CRYSTALS AND FELLETS (SLEET).
HAIL: ALL REPORIO HAIL.
ALL PRECIPITATION: THIS CATEGORY INCLUDES ALL OBSERVATIONS
REPORTING PRECIPITATION. BECAUSE MORE THAN ONE TYPE
OF PRECIPITATION MAY APPEAR IN A SINGLE OBSERVATION, THE SUM OF
THE PERCENTAGES IN THE INDIVIDUAL COLUMNS MAYEXCEED THE PERCENTADET
IN THIS COLUMN.
FOG: ALL REPORTED FOG, IC FOG AND SROUND FOG.
SMOKE AND/OR HAZE: ALL REPORTED SMOKE, HAZE AND ANY COMBINATION
THEREOF.
BLOWING SNOW: ALL REPORTEP BLOWING SNOW INCLUDING DRIFTING WHEN
REPORTED.
DUST AND/OR SANG: ALL REPORTED DUST, SAND, BLOWING DUST. BLOWING
SAND AND ANY COMBINATION THEREOF.THE ATMOSPHERIC PHENO"ENA SUMMARY
[DAYS WITH) INCLUDES ONLY THOSE REPORTS WHEN THE
PHENOMENAVISIBILITY LESS THAN 5/V MILES IIOD METERS).
ALL OBSTRUCTIONS TO VISION: INCLUDES ALL REPORTS OF ORSTRUCTIONS
TO VISION (FOG THRU DUST/SAND)
AND BLOWING SPRAY. BrCAISE MORT THAN ONE PHENOMENA PER
OBSERVATION MAY OCCUR, THE SUM OFTHE INDIVIDUAL COLUMNS MAY EXCEED
THIS COLUMN.
-
NOTES:
1. A VALUE IN THE TABLE CF " INDICATES LESS THAN .154 OCCURRLNCE
(USUALLY ONLY ONE OCCURRENCEI.
2. METAR STAIIONS (BIN C, IN JAN 19601 ANL SYNOPTIC REPORTINO
STATIONS RECORDED ON THEAwS FORMS ID/IA AND TRANSMITTEr LONGLINE
ONLY THE HIGHEST ORDER OF ATMOSPHERIC PHENOMENA OBSERVED.
BEGINNING IN JAN iT., METAR STATIONS RECORDED ALL SBSERVED
PHLNCMLNA BUT CONTINUED 10 TRANSMIT ONLY
IHE HIGHEST ORDER. FOR EXAMPLE. IF THE 03SERVATION CONTAINED
RAIN, FOG AN[ SMOKE, ALL THATE WILL
APPEAN ON THE AWS FOKMS 10/iCR, bUT ONLY THE RAIN WAS
TRANSMITIED LONOLINE. THEREF OAE ONLY tHE RAIN
APPEARS IN OUR DATA bASE TOq HOUFLY SUMMARIZATION. THIS PRACTICE
AFFECTS THE PEPCENIAbES IN TH TABLES.
-
S GL6bAL CLIMATOLOGY e.R*5CM PLSCFNT ACL FROUENCT OF OCCU~kENCE
CF WLATHLP CONDITIONjSUSAFLIAC FnCM HGCLY TLSLPBAIIOSAli, 6EATHER
SEBA1CE/MAL
STATION NUMBER: 4 7642.0 STAT1(N NtMF: YOKOTA A? JAPANJ 'EPTO,
OF RECORD: 79-88MONTH: JAN
I RAIN FiZINOL SNOW % 085s SMOKE OUST % 085SHOUPS I s~ T$M5 COp
RAIN £/06 HAIL .I7H FOL £/06, ALOkIN, £108 6/08S1 TOTALILSIT
OOIUZLO £/09 SLET PkELIP HlA7E SNO'. SAND TO 085
Glt1Z2LE VISI106
,1 -03 2 3.4 2 .3 5. 3 4 .7 4 .u 8.71 933
07-CS I 2. 2.4 4. 3 . 4 2.3 b .7 933
Ibc 4.C Z. 4.9 5.2 4 .3 9.5 933-
09-1L I 3 .1 2.0 4. 7 3. 7 11.4 15.41 9 30
12-14 Z ~ .o 2.2 4.4 2.2 12.9 15 . 1 433015-17 I3.3 2.6 S.5 1.9
16.1 16.1 9;35
18-20 1 2.6 3.2 5. 7 3.0C 10 .4S 16. 33S
21 -23 4 4.3 2 .b 6.7 4.6 8.6 13.'. 930
TOTALS I3.3 t.4 5.2 3.7 9.2 12.9 7"'.C
SAINNUMBER: 47b420 STAT ICN NAME: TOKOTA AR JAPAN PERBOG OF
RECORD: 79-A8MONTH: FEB
IBAIN. FAZING, SNOW AL 085 SMOKE OUST I 06$HOUPS I STMS £80 PO
AIN EbBp HAIL 61OTH FOG £/08 BLOWING £108 6/0851 TOTALILSTI I jPI
ZZLE £10R SLEE T PRECIP HAZE SNOW SAND TO 065S
I O.IZZ. VISION
0-2I7.8 2.5 .1 9.9 4.8 6.L 13.8 B49
0>04o 7 7.1 3.9 9. 3 5 .3 6 .1 12.4 849
06-08 I4.u 4.9 9.2 5.7 6.6 12.5 849
09-1l1 5.9 5.2 10.4 4.2 16.1 23.'4 849
12-14 1 6.6 5.1 10.2 3.1 13.3 16.4 849
15-17 1 6.1 4.1 9.2 3. 4 14 .3 '7 849
18-20 1 6.8 3.2 8.5 2.8 16.6 19.4 849
21-23 1 5.9 3.5 6.2 4.2 11.4 14.7 6'.9
TOTALS 1 6.4 4. 1 .3 9.4 4.2 11 .2 15. 4 6792
-
* GLOBAL CLIMATOLOGY HkANCH PL'CINTAGE FPEOUENCY OF OCCURRENCE
OF WLATHER CONDITIONS
U0AFETAC r4OM HOURLY OASEPVATIONS
AIA WEATHER SERVICE/MAC
STATION NMERER: 47L4-1 STATIrN NAMF: YOKOTA A JAPAN PERIOD OF
RECORD: 78-87MONTH: MAP
...
°°°°.....°..-...°..................°...........°........°...°.°.......°.....°...°.....-........-'......°°.........°......
I RAIN FRINu SNOW % UPS SMOKE DUST % OBS
HOURS I TSTMS L/G RAIN 6/OF HAIL WITH FOG IOR BLOWING C/OR
W/OBSI TOTAL|LST) 0-I7ZLL / UT SLEET P-FLIP HAZE SNOW SAND TO
06S
0DIZZLC VISICS. °. ... ,.,. . *.. ... .,., .. .. .. . ... . . ,
. o.... ....... ........... .... .o, .. .. .. ,,........,...
....... .... .. ....... .......
I 1 13.- 2.2 .1 14.3 10.0 6.0 16.- §23
03-05 .2 !3.1 2.4 I".o 11.3 .5 15., 927
0c-06 IC.7 3.1 12.8 12.2 11.9 24.1 §27
09-11I 11. 2.9 13.u 5.9 21.7 .2 27.& 9Tc
12-14 .1 14 . 3.1 16.0 2.5 21.0 .3 23.e 930
19-17 4 .o 3.C Ib.C 3.5 19.1 .3 23.0 9!z
18-23 1 12.9 2.3 .1 I4b 5.7 16.6 .1 22.4 N'c
21-23 1 .2 12., 3.c I4.5 7.5 12.5 1E. 930
TOTALS I .1 12.. 2.8 . 1 14.5 7.4 13.9 .1 21.5 7431
STATION NUMBER: 47642C STATIN NML: VOOTA AN JAPAN PERIOD OF
RECORD: 78-W7
MONTH: APR
I RAIN FRZING SNOW I OBS SMOKE DUST % OBS
HOURS I TSTMS c/OR RAIN C/OR HAIL WITH Fo. E/OP BLOWING E/OR
W/ObST TOTAL4EST) L DRIZZLE C/0? SLEET PRECIP HAZE SNOW SAND TO
OBS
IJ9IZZL E VISION
00-02 13.3 .3 13.3 14.6 4.2 19.0 900
33-CS 1 14.6 .3 14.b 17.G 5.4 22." 900
06-C6 14.3 .3 14.1 16. 17.G 33.6 900
C9-Il I IN.? 1 14.6 6.3 26.6 32.9 900
12-14 1 .3 1 .9 14.9 3.1 19.7 .2 23.C 90
15-17 1 15.3 I5.3 3.b 15.1 18.7 900
1-20 .2 15.3 15.3 7.4 11.6 19.c 900
21-23 • 1 13.8 13.6 12.6 6.7 19.2 90C
TOTALS I1 T4.5 ,1 14.5 I.2 13.3 .0 23.5 7200
... ... .. ... ... .'... .. ... ... .. ... ... .. ... .. ... ...
.m... .. ... ... .. ... ... .. ... .. ... ... .. ... ..
-
* GLOBAL CLIMAIOLOGY 6RANCH PLECENTAGE FREOUNCY OF OCCUAkENCE OF
WLATHLR CONEIITONSUSAFETAC FROM HOURLY ObSERVATIONS
AIN WEATHER SERVICL/MAL
ST.TION NLIMPER: 47b42 STATIIN NAME: YOKOIA AS JAPAN PERIOD OF
RECOPD: 78-A7
MONTH: MAY... ,. .. ..... ., . . ,..o,,.°,...., .... ,. ..
,........ . .... ,,,.. . ,,,,°.... . .. o ........ . ,.....
........ ,. .. ,., . ,..... °°,.....
I RAIN FRZINu SNOW X GES SMOKE OUST O6SHOURS I ISTM L/OS RAIN
1/OR HAIL WITH FOG L/O BLOWING S/OR W/ObST TOTALILSTI I DRIZZLE L/O
SLEET PkECIP HAZE SNOW SAND TO OBS
I DRIZZLL VISION..., ... .° .... ° . ...... .,..,. . °:; . .....
........... °.... . .... ..... ,. ... ... .. ... ........
,............ o... .. .. . . . . .
1o-c I 12.? 12.7 18.4 I0.3 28.? 035
03-Ob 1 .2 13.3 13.3 21.7 9.b 31.3 935
06-08 .1 12.b 12.b 18.4 22.2 3.5 930
09-11 .1 10.5 1D. 7.6 30.1 37.7 935
12-14 .2 11.3 11.G 4.4 19.2 23.7 930
15-17 1.5 12.7 12.7 4.4 16.5 .2 21.1 93C
18-20 1.4 13.1 13.1 . 1 19.? 25.8 30
21-23 1 1 15.5 15.5 10.2 14.0 24.2 93
TOTALS I 1 12.7 12.7 11.4 17.7 .0 29.1 744C
STATION NUMBER: 476420 STATI(N NAME: YOKOTA AB JAPAN PERIOD OF
RECORD: 78-87MONTH: JUN
.. . .. . . .. . .. . . . .... .. .. . .. . .. .. . .. . .. .. .
.. . ...°. .....°' ' ' ° '' . . ... . .. ........ °.. ...
°.,°o.,,
I RAIN FRZING SNOW x OBS SMOKE DUST I UBSHOURS I ISIMS &OR
RAIN &/OR HAIL WITH FOG 1/OR BLOWING E/OR W/06S? TOTALILSTI I
DRIZZLE S/OR SLEET PRECIP HAZE SNOW SAND TO OBS
1 DRIZZLE VISION
1-2 19.3 19.3 27.3 10.6 37.7 900
03-OS I 18.8 18.8 33.9 9.1 "3.G 900
06-08 21.9 21.9 25.6 21.9 47.4 900
09-11 .1 2u.1 20.1 12.6 31.7 4.2 900
12-14 1 1.3 17.2 17.2 7.9 27.2 35.1 900
15-17 .9 18.8 18.8 7.4 24.3 31.8 900
IP-20 b. 19.2 19.2 10.9 23.. 34.3 9no
21-23 1 .1 19.b 19.6 19.9 16.0 35.9 900
TOTALS 1 .4 19.4 19.4 18.2 20.5 38.7 7205
-
9 a GLOHAL CLIMATOLOGY BRANCH PLCENTAGE FROUENCY CF OCCuRRENCE
OF WEATHER CONDIIONS "uSAFETAO FROM HCUPLY ObSE8ATIOkS
AI 4WA TH R SERV ICE/MAC
STATION NUMPLR: 476427 STATI.N NAME: YOKOTA AR JAPAN PERIOD OF
RECORD' 78-87MONTH: JUL
I kAi. FRI7G SNOW x 085 SMOML DUST % OS6
HOURS I ISTMS tI RAIN /IOR HAIL -IIH FOb LIOk BLOWING LIOR
W/OBST TOTALILST) I 0P ?ZLL L/O7 SLEET PRECIP HAZE SNOW SAND TO
Os
0R1ZLL VISION
00-02 1 .3 16.2 16.2 34.b 8.7 43.3 930
C3-C, I . 1 17.6 17.b 44.Z 7.4 51.4 930
06-?6 .2 IE.o lb.6 37.6 22.6 6C.6 935
G9-Il1 . 14.7 14.7 17.1 38.0 §5.1 93C
12-14 .9 12.6 12.6 8.6 37.5 4b.5 630
1S-7I 3.7 17.1 17.1 7.3 26.0 33.3 930
1t- 209 . 20.8 20.6 11.6 20.6 32.5 937
21-23 .4 16.9 1b.9 24.2 15.5 39.7 930
TOTALS I . I 1b.8 16 . 23.2 22.1 45.3 7f .0
S1ATION NUMBER: 476420 STATION NfME: YOKOTA AB JAPAN PERIOD or
RECORD: 78-87
MONTH: AUG,,..°,,,.o,°,,,,,,,...,°..,°o ,,,,,,,
,.,.,..°...,.°°,.o.,,,.,,,,,°. ,,.°,.,.,,,,..,°.. .. ,.,,,..,.
,,°,...,....,o,°...,..,.
I RAIN PRZINf, SNOW % OS SMOKE DUST I CBSHOURS I TSOMS /OR R81 4
1/OR HAIL WITH FOG L/OR BLOWING ESOR W/06S1 TOTAL
(LST) I DPI 'ZLE L/O SLEET PRECIP HAZE SNOW SAND TO CBSDRIZZLE
VISION
........... I .............. ..... . .. . .. . .. .
............................... ; i.... .... ....................
..... ;......
00-C2 1 1.11 11.2 11.2 25.9 11.4 37.3 930
c3-o5 I .9 11.9 11.9 35.5 9.2 44.7 93
06-08 1 .3 13.5 11.5 31.8 22.9 54.7 930
09-11I .3 10.6 10.6 11.1 36.7 47.7 930
12-14 1 .o 1C.2 10.2 5.6 33.2 30.6 913
15-17 1 2.9 10.2 10.2 6.4 27.1 32.5 933
18-20 1 2., 12.8 12.8 8.0 22.9 3C.9 930
21-23 1 1 6.8 8.o 16.9 14.2 31. 1 930
TOTALS I 1, 1c.9 10.9 17.5 22.2 39.7 7443
-
ULILAL CLIMATOLOGY EANER PL7 CENT AGE FPLOUrNCR OF OCCUPRE NE OF
WEATHER CONDI TIONS _USAFA T AL 4 FAM HOURPLY OLSLPVAAIIOUS
tIN bEATIC S( AICLL/MA
STATION NUMPLR: 4 76420C STATI I NtA ME: zYOKT A4 JAPAN PE RIO
OF RECoRD: 78-6 7
MONTH: SAP
RAIN FP9719 SNOW . 09,5 SMOKE DUT 2 6HOURS I AS IMPS L/A? R A 1
4 C/AN HAIL IbOTH FOG L/ON bLOWING &/OR W/15 TO I ITALILST I i
I 00Z'LL L/AR SLEET 7 E IR HAZE SNOW SAND T0 085
093I ?ZL L V I SIAN
00-02 I .21 '3 .1 23. 1 2 1 .1 8 .3 29.4 920
07-OS t.3 %..9 20.9 28.0 6.2 .1 TU.3 900o
C6-08 1 . 23.b 2 3.Lf 25. 3 148.2 39. 6 900
r 9- Il .12 16 .6( 18. 6 11 .9 2te. 3 38 .2 co
1 - 14 1 16 .3aI h. 7 .8 2 . 7 32 .2 9 L0
15-17 1 .A 100.7 2L.7 7.1 22.6 29.7 900
1F,- 2 3 1 1.0c 24 .1 24. 1 10.2 19.6 30.0 970
21-20 1 .t 23.3 23.6 17.3 14.[0 T1.3 900
TOTALS 1 .4 21.5 21.5 16.1 17.0 .0 30.1 72CC
STATION NUMSEP: 97687 STATICN NAME: YOKOTA AR JAPAN PERIOD OF
RECORD: 78-87
MONTH: OCT
I RAIN FR?2190 SNOW A 080 SMOKE Dust x DESHOURS I T5TMS A/On
RAIN 1./OR HAIL w ITIH FOG A/OR BLOWING A/AR 8/0801 TOTAL(ESTI
DRIZ7ZLE A /OR SL EETI P111029 HAZE SNOW SAND TO ORS
091ZZLL V.I SION
0>C2 I 14 .. 14. 6 13 .8E 8.6 22.6 930
03-OS 1 13.1 13.1 16.6 5.9 22.2 930
06-R I1 d2 13.4 13.4 19.4 11.9 011 .3 930
ORQ-I I 2 13 .9 13.9 8. 7 20.9 29. 6 930
12-14 11I..I 1 1 .7 3. 8 211 .1 248.9 931-
15-17 I12.6 12.A, 8.2 23.0 27.2 930
19-20 1 12.5 12.0 7.8 25.2 33.0 930
21-2 14., 19. 2 10 17 .6 27.6 930
bORES, 1 .1 33.2 13.2 10.6 16.7 .0 27.3 ?.4fl
-
*GLOBAL CL IMATE6LODY Elk hlCH PLLCf.TAGL FREOUFNCY OF ECuRBENCE
OF 461444E CONDUITIONSuSAFL TAC FROM HOUPLY ObSLSVAT IONSAIR
WEATHER SE7RVICL/MA.
S1T110ON tLMPLR: 47u'42C STAT IUS NAME: 004010A5A JAPAN PEPT O0
Of RECORD: 78-8 7YONTH: NOR
Roll.t FP71190 SNOW I 065 SMORE OUST 5 UPSHOURS 151MB L/Dr RAINj
0,0? HAIL W ITIH FOG 6/OR BLOWING 6/OR W/0601 TOTALILSIT I 011ZZLE
L/0OS SLEET PkrCTP HAZE sNow SAND TO ORB
Lj,SI 220 RI SION
0>2i1 11.9 .1 11.9 11.3 A.7 2L0 930
r, -SB 5 13c.6 1 0.uL 13 .3 5.4 kIt,. 7 907
06 -:9 1 9. 3 9.3 16.6c 8.2 24 . t 900
09-1 1 .1 9.4 9.94 9. 7 18 .7 28. 3 90z
12-14 9.0s 9.6 94.1 22.1 26.6 900
15-17 I9.8 9.6 5.2 30.4 35.7 90G
18-20 j.2 To.7 10.7 10.1 28.3 3,4 900
21-23 I0.o 10.8 10.6 11.8 28.b 900
TOTALS I.0 10.3 .010. 3 13.1 17.5 27 .7 7200
STATION NUMRER: 4 764 30 STATi ON NAME : YOK0TA A4 JAPAN PERIOD
OF PECOPD: 78-A?MONTR: DEC
IROA IN F R2TNO- f SNOW 1 08$ SMOKE DUST % 080HOURS I OSTMS
6/OF; RAIN 6/06 HAlL WITH FCOG 6/04 SLOWING 6/OR W/ORST 10386TLSTT
I0PIZZLL 6/09 SLES PkECIp HAZE SNOW SAND TO 085
0I? DRIZZL VIS10N
00-02 1 4 .7 bA 5.z 8.0 6.6 14. 5 930
C3-05 1 4 .5 .6 u".7 6. 3 2.9 9.2 930
06-018 I .1 6.1 .9 5.2 5.8 6.2 12.0 030
0C-11 1 3 .3 t6 3. 9 4 .8 26.1 71.0 970
12-14 1 4.3 1.0 4.E 2.7 2e.$ 31.2 933
1',-17 I3.8 .6 4.3 3.4 36.1 39.4 910
19t-2c 4 .b 1.. '4.8 4.4 34.7 39.1 933
2 1-23 4 4.7 1 .1 5.. A .?3 16.8 25. 1 933
TOTALS I .J 4 .3 .9 4.6E S.S 19 .7 25. 2 7440
-
* ULUBAL CLIMATOLOGY BRANCH PE CENTE FREQUENCY SF CCCURL14CE oF
WEATHER CONDITIONSUSAFETAC FROM HOURLY OSLPVATIONSATk EAIHER
SERVICEIMA,
STATION NUMPEFY: k747, C' ST AT IN N EM,: YOIGTA AF JAPAN PERIOD
Or RECORD: 78-asMONTH: ALL
R IN FRZINC SNOW I OBS SMOKE DUST t OBSHOURS I TSJMS ./OF RAIN
1/OR HAIL WITH FOG &/OR BLOWING 1/OR W1OBST TOTAL(LSI I IPIZLL
cIOR SLEET PKECIP HAZE SNOW SAND TO 0BS
O"IZZLL VISION. ... '.. . . . ... .. .. ... . ..... . . . o. . .
. . . . . . .
JAN ALL . .3.3 2.4 ... 3.7 9.2 12.9 740
FEB 6.4 4.1 . 9.4 4.2 11.2 15.. 6792
MAR .2 12.8 2.o .0 14.5 7., 13.9 .1 21.5 7431
APP .1 14.s .1 14.5 10.2 13.3 .0 23.5 7200
MAY .2 12.7 12.7 11.4 17.7 .3 29.1 744C
JUN .4 19.4 19.4 18.2 20.5 18.7 7200
JUL 1.1 i.6 16.8 23.2 22.1 45.3 744C
AUG 1.0 IC.9 IC.9 17.5 22.2 39.7 74C
SLP . 4 21.5 21.5 16.1 17.L .0 33.1 7200
OCT .1 13.2 13.2 10.6 16.7 .0 27.3 7440
NOV . 10.3 .0 I.3 10.1 17.5 27.7 7200
DEC . 4.3 .9 4.6 5.5 19.7 25.2 7440
TOTALS 3 12.2 .9 .3 12.8 11.5 16.8 .3 28.3 67663
.. ....... .. .... .. ...... ......... ...i. .... .............
... .. ...
-
* GLKBAL CLIMATOL3GY bl NCH PFRCEN1AGr OF DAYS WITH VAkILUS
ATMDSPHFIC PHE NOM NA
uSAFETAC FOM DAILY LtYATIDNS
AT WEATHER SERWICE/MAL
STATION NUMBER: 4764Z2 STATION NAMr: YOKOTA AP JAPAN PERIOD CF
AIC0LD: 49-86MONTH: ALL
PAIN FRZIHU SNOW % CBS SMOKE OUST % LSI TSTMS EIP RAIN /Op HAIL
WITH FCG E/O BLOWING LION W/811 TOTAL
MONTH I DIZZLL &L/ON SLEET PNECIP HAZE SNOW SAND TO 0B5u
917ZLL VISION
JAN . .. .9.o 2 ... 24.. 16.. .5 09.6 1240
FE P 3 07.7 .1 17.4 1 34.6 28.8 57.4 .2 .2 6b.5 1130
MAR 4. 3.4 *1 11.2 .2 45.7 38.7 60.9 .1 .2 73.7 1000
APR I.b 1 2.9 .9 2 52.9 46.5 68.2 .1 79.9 117C
MAY 4 45 C11
1 51.1 54.4 68.7 81.6 1209
JUN 5.? t6.9 3 66.9 74.2 79.6 93.L 1170
JUL I 11 .7 65.4 2 65.4 60.2 Q3.6 94.8 1209
AUO 1 3.4 04 .3 1 54.3 69.6 78.8 89.L 12 9
SEP 4.9 64.4 .2 64.4 68.8 69.8 87.6 1170
OCT .9 C.1 50.1 52.5 68.5 82.C 1209
NOV .5 '8.3 .6 38.3 37.7 71.3 76.6 1155
0EC .4 23.4 .2 9.2 ,1 24.3 25.5 74.4 76.5 1195
TOTALS 3.t 46.4 .0 3.6 .1 47.7 49.6 69.6 .u .0 80.5 14266
.. ...............................
..............................
-
pppppppp AlAAA RRPRRRR TTTTTTITTT BBBBBBBBAPPPPPPPPP AAA L
kPpRRLR T7TTITITI OBBBBBBBBBPP PP ALA AA RR RR 7T RB - 1BPP PP AA
AA R RRI PB BLPPPPPPPPP AL AL RRRRRRRR IT PBSBB8BBPPPPPPPP AAALAALA
kRBBRRRR TT I aBsbaSS8BP P AAAALA R R R R I P B BPP L A A A kR B R
TT PB p b bP P ARA A RB R P IT PBBBBBBRBPP AA AA WR R IT
OBLEBBB
B- 1-1
-
PRECIPTTATIJN, SNOWFALL AND SNOW DEPTH SUMMARIES
PERCENTAGE FREQUENCY OF VARIOUS DAILY AMOUNTS OF PRECIPITATION
(SNOWFALL AND SNOW DFPTH) SUMMARIES:
THESE SUMMARILS DERIVE FROM SUMMARY OF DAY DATA.
DATA ARE SUMMARIZED MONTHLY AND ANNUALLY WITH ALL YEARS
COMBINED.
DISPLAYED ARE: PERCENT OF DAYS WITH MEASURABLE AMOUNTS, A
PERCENT OF DAYS WITH NO AMOUNTS, TRACES, GIVEN AMOUNTS,MEANS.
GREATEST AMOUNTS AND LEAST AMOUNTS IIHL STATISTICAL VALUES ARE NOT
INCLUDED IN THE SNOW
DEPTH SUMMARY BECAUSE OF THEIR DOUBTFUL AND LIMITL VALUE).
ALSO PROVIDED AkE THE ObSE0VATTON COUNTS.
A VALUE OF ".0" IN THESE TABLES INDICATES LESS THAN .Cc% WHICH
USUALLY INDICATES ONLY ONE OCCURRENCE.
EXTREME DAILY AMOUNTS OF PRECIPITATION (SNOWFALL AND SNOW DEPTHI
SUMMARIES:
DATA DERIVED FROM SUMMARY OF DAY DATA
PRESENTED ARE THE EXTREME DAILY AMOUNTS Of PRECIPITATION,
SNOWFALL AND SNOW DEPTH BY INDIVIDUAL mONTH AND YEAR.
ALSO PRESENTED ARE THE MEANS, STANDARD DEVIATIONS AND TOTAL
OdSERVATION COUNTS.
AN ASTERISK "*" PRINTED IN THE TABLES INnICATES THAT THE EXTREME
VALVE FOR THAT YEAR AND MONTH
DERIVES FROM AN INCOMPLETE MONTH (AT LEAST ONE DAY OF THE MONTH
IS MISSINU).
WHEN A MONTH HAS VALID OBSERVATIONS REPORTED BUT NO OCCURRENCES.
ZEROS APE DISPLAYED IN THE TABLES:
EXTREME DAILY PRECIPITATION: ".0' EQUALS NONE FOR THE MONTH
(HUNDREDTHS)
EXTREME DAILY SNOWFALL: .. O" EQUALS NONE FOR THE MONTH
(TENTHS)
EXTREME DJiLY SNOW DEPTH: *C0
EQUALS NONE FOR THE MONTH 4WHOLE INCHES)
TOTAL MONTHLY AMOUNTS OF PRECIPITATION ANO SNOWFALL
SUMMARIES:
DATA DERIVED FROM SUMMARY CF DAY DATA.
DATA PRESENTED BY YEAR AND MONTH.
ALSO PRESENTED ARE THE MEANS, STANDARD DEVIATIONS AND TOTAL
OBSERVATION COUNTS.
AN ASTERISM "*" IN THE TABLES INDICATES THAT ONE OR MORE DAYS
WERE MISSING FOR THE MONTH.
NO OCCURRENCES FOR THE MONTH ARE INDICATED BY ZEROS.
IF THE AMOUNT IS A TRACE, THEN "TRACE" IS PRINTED IN THE
TABLES.
STATISTICAL VALUES 00 NOT INCLUDE MEASUREMENTS FROM INCOMPLETE
MONTHS.
-
GLOBAL CLIMAIOLOGY BI ANCH PLQCENTAGL FPLOUtNCY OF OCCURRENCL OF
PkECIPIIATIUN
LSAFETAC FROM SUMMARY OF OAY (ATAAIR WEATHER SERVICL/MAC
STATION NUMBER: 47642C StATICN NPMC: YOKOTA AV JAPAN PERIOD OF
RECORD: 47-bF
AMOUNTS IN INCHES
I I I I .. 11 . F .11 1.25 1 .51 I i.:il 2.1 1 5.:1 I IL.Fll
OVER I % UAYS1 IOTALI MONTHLY AMOUNTSG T I I TG I T3 I TO I TO 3 TO
I TO I I WIIH I I
MONTH I NONE ITRACEI .CO I .05 .123 .25 1.53 1 I.C0I 7.5CI . I I
10.01 21.0CC 2 .0 L I MEAS I OBS II I I I I I I [I I I A AM I I
MEAN OREATEST LEAST
JAP. 3 75.5 7.81 1.4 4.2 I. ! .71 2.91 4 I 1.0 1 .2 I 6. 1 1271
1 1.70 4.64 .01
I I II I I I I I I I I I I IFED I 65.1 1 11.81 2., 1 3.41 1.
6.01 4.61 .3 1.8 1 . I I I I 1 3.1 I 11591 2.12 7.12 .2C
I I I I I I I I I I I I I I IIMAR 1 53.8 I 14.41 2.6 1 5.21 4.41
6.ql 5.71 4.9 2.1 1 1 1 31.9 1 12401 3.24 b.13 .A 7
APR 46.51 15.!] 3.21 5.91 4.-. .31 6.21 6.3 2.7 . 1 1 37.0 I
12C0 4.15 7.09 .49
MAY I 46.8 1 13.51 3.A 1 7.23 0.21 5.61 6.71 5.3 1 4.1I .4 I 1
37.7 1 12'.CI 4.86 10.47 1.46
Ju; 1 33.2 1 17.51 Z.7 1 6.41 r.?I Q.51 7.l -. 0 I 6.7 .9 1 .1 I
49.3 1 12001 7.3 17.58 1.22
JuL I 34.C 1 18.21 4.0 1 8.41 '.61 9.61 8.51 5.6 I 5.3 1 .8 1 .2
1 I 47.6 1 12401 6.S 1 .54 1.30
I I I I I I I I I I I I 3I I IAUG 45.4 15.81 3.0 1 6.51 '.61 6.S
1. 6.1 1 5.6 1 1.5 I .5 1 1 36.7 I 1239! 7.56 16.07 1.70
I I I I I 3 I I 1 I I I ISEP 1 36.0 I 1'.4 3.1 8. 1, S. I 0.6!
7.1! 7.1 1 6.7 I 1.0 1 .4 1 1 8 .5 3 11933 6.07 19.96 1.11
U I I I I I I I I f I I I 3I I3OCT 1 50.0 I 12.33 2.9 I 4.1 7.P
9.11 5.4! 6.5 1 .3 1 . 1 .2 I 1 1 37.7 1 12401 6.29 16.81 1.16
I I I I I I I I I I I I I INOV 1 62.3 1 11.6f 1.9 1 4.z &. i
5.51 4.23 3.2 1 2.9 .2 I I 1 1 26.1 1 12271 3.19 .34 .29
I I I I I I 3OLC 1 75.4 1 8.31 1.4 1 2.81 7.rl 2.9l 2.7! 2.4 1
1.3 .2 I f I f 16.4 1 12713 1.73 b.75 TRACE
. ; ....I.......I I
-
O GLOBAL CLIMATOLOGY 84^NCH CXTR4E VALUES OF
PrLCIPITATICNU'AFETAC (FPOM DAILY OBSERVATIONS)AIR FAHPILR
SFRVICL/HAL
STATION NUMBER: 47642 STATION N1XC: YOKOTA A1 JAPAN PL1IOL OF
PCORU: 47-P8.. . ... . . .. . . .. . . .. . . .. ........ ... . . .
. . . . . . . . . . . . . . . . . ......................... . ..
..
24 HOUR AMOUNTS IN INCHES-M-0-N-T-H-S- ALL
YEAS I JAN FEB MAr
APY MAY JUN JUL AUG SEP OCT NOV DE MONTHS
4? I.33 2.8
48 2.66 .92 .L' 2.75 1.61 3.02 2.E7 3.2u 4.97 1.3 0.10 .4c
3.2449 2.15 1.72 .64 .93 1.41 3.91 1.73 *4.20 o1.26 2.45 2.31 .9z
4.295c 1.5D 1.12 .92 2.95 1.72 2.90 7.38 3.16 4.14 1.67 1.68 1.SF
7.3851 .42 1.0! 2.00 1.9B 1.91 1.99 4.05 1.97 1.43 1.67 1.12 .29
4.0652 1 1.7 .52 .5q Z.C7 1.45 2.7C Z.51 3.65 1.02 .99 1.28 .5
3.65
13 .59 .75 .65 .b4 1.44 2.33 2.56 Z.69 4.20 1.41 .21 2.C2 4.2054
.7 .38 .97 1.06 1.93 3.42 1.12 1.7 S.64 .7. 2.45 .62 5.6455 .71 1.b
I.C .44 1.67 1.11 1.95 1.45 1.6" 3.35 3.20 .67 3.35
56 1.41 1.45 2.1I 1.17 2.00 1.19 1.57 1.29 3.69 2.81 .65 .G6
3.89
57 1 .02 1.02 1.53 1.22 3.64 4.48 1.69 .86 1.44 2.68 .68 1.26
4.465b 1 .7 1.43 .71 .23 .76 .43 5.12 1.6f' 9.03 1.82 1.67 1.82
9.03
59 I 1.26 .o6 .96 1.66 1.36 .98 1.69 4.G7 3.58 2.67 .80 2.49
4.-7b I 1.41 .14 .92 1.99 1.44 1.41 .80 5.26 1.42 1.41 .85 .69
5.2661 .23 .65 i.11 2.45 .76 3.59 .75 2.C4 .96 2.25 1.05 .85
3.59
62 .53 .22 .32 .75 .95 1.72 1.31 2.19 .43 1.44 2."3 1.54 2.4363
.12 .Z9 .62 .61 1.10 2.05 1.12 3.C 1.33 2.86 1.72 1.07 3.C0
64 1.16 .6' .8 .55 .95 1.07 1.00 7.22 1.64 1.10 .43 .49 7.20b5
.56 .13 1.53 .92 4.56 1.80 1.10 2.90 2.45 1.06 2.00 1.17 4.5666 .89
1.54 1.49 .91 1.59 9.79 2.33 1.67 2.33 2.05 .24 .22 9.79
67 .45 .40 1.26 .7S .90 .91 2.79 1.6e 1.73 1.91 .97 .75 2.79
be .15 1. 0 .55 1.07 1.86 1.70 2.38 2.01 1.05 1.57 .36 2.62
2.62
69 .79 .60 1.97 1.11 1.16 1.35 1.0l 1.34 1.51 3.07 1.37 .9
3C.07
7: 3.57 .50 1.17 1.23 1.35 2.4C 4.b5 2.69 2.3 .65 1.64 .53
4.E971 .92 ,6q .67 2.85 1.31 .82 1.71 5.8 4.00 1.76 .46 1.3' 5.6372
1 1.85 1.38 .45 .91 2.10 1.24 5.03 1.85 5.6C .71 .53 2.56 5.6073 1
1.71 1.06 .19 1.15 1.37 1.56 1.72 1.42 1.8 1.89 2.35 TRACr 2.3574
.81 .56 1.39 2.04 1.41 2.02 2.76 5.22 5.12 2.04 .56 .34 5.22I5 .78
1.25 1.37 2.15 1.93 4.70 2.20 Z.20 1.02 2.59 2.47 .7C 4.7076 .01
1.66 1.16 .91 1.96 3.L1 1.47 .95 1.49 2.42 1.18 1.34 3.01
NOTE * (BASED ON LESS THAN FULL MONTHS)
CONTINUED ON NEXT PAE ....
-
0 CLbAL CLIMATOLOGY BRANCH ECIPLEE VALUES OF
PPECIPITATICNU'AFETAC (FOOM DAILY OBSE
0VATIONS)
AIR hEATHER SE9VICL/MAC
STATION NUMBSER: 47642? STATION NAMF: YOKOTA AO JAPAN PERIO OF
RECORD: 47-B8
...........
°..........................°..............'........................°...........°................°................
24 HOUR AMUUNTS IN INCHFS
-M-O-N-I-H-S- ALLYEA I JAN F E *'AIr AP4 MAY JUN JUL AUr SEP CCT
NOV DEC MONTHS77I .N2 .SS 2.39 1.32 1.63 2.10 .. 19 3.0' 4.75 1.02
2.04 .36 4.75
7 I .37 .69 1.34 1.53 .64 1.12 3.52 1.30 1.31 1.13 1.08 .79
3.5275 , 9 .93 1.21 1.92 2.R 1.01 1.39 1.60 1.71 6.65 1.76 .5c
6.658 I .15 .37 .95 1.3N 1.1S .67 1.55 1.41 2.36 2.37 1.04 .57
2.37A1 , 1 .84 1.5" 2.6Z 2.23 1c. 2.27 2.6 1.12 6.33 2.09 1le 6.332
,22 .41 .bP 2.16 .60 1.b 2.30 b.13 7.62 1.t5 2.91 .36 7.6283 .48
1.74 1.26 1.89 2.44 1.19 .73 4.21 3.17 1.11 .34 .4 4.2584 I.62 1.c5
.7 3 70 b3 1.5 1 2.0c .67 1.22 2.44 1.01 .91 2,.48e .- 3 3.24 .66
1.67 .56 3.81 1.44 2.0? .91 1.32 1.04 .2e 3.6186 .75 54 2.CC 1.42
2.RI 1 1.23 5:92 3.66 1.48 .34 1.42 5.9287 ,/1 .1 4 .47 .21 177
1.5! 1,48 1.6' 2.43 1.22 1.10 .6f 2.43A ,35 .22
MEAN I ,86 .913 T.31 1.7R7 1.604 2.156 2.215 2.725 2,6R8 2.277
1.7o3 .925 4.629
S.1. $ .730 .6U9 .119 .717 .924 1.641 1.39C 1.63! i.967 1.271
.83b .76C 1.8(2TOTAL 08S I 1271 1159 1240 1202 1240 12G0 1240 1239
1193 1240 1227 1271 1472D
NOTE * (BASED ON LESS THAN FULL MONTHSI
-
GLOBAL CLIMATOLOGY [IANCH MONIHLY PRECIPTTAITIN
USAFETAC (F0 DAILY OASLRVAIONS
Al. WEATHER SEH4ICE/MAC
STATION NUMbLP: 47t42 5T7AT10h NAMf: YOKDTA AR JAPAN PERIOL CF
RECURD: i7-RE
TOTAL MONTHLY P'EE1PITATION IN INCHES
-M---T-H - ALL
YLAR I JAN FLA PAL APY MAY JUN JUL AUG SEP OCT Nov DEC
MONTHS
47 1 4.33 3.304E 3.71 1.67 2.3q 5.6? 3.52 11.27 I .4s 13.99
*2.67 4.42 6.57 1.6[ .70.1549 2.56 2.15 1.14 3.53 3.71 12.74 b.9 *
7.2p 4.31 9.40 5.72 2.5s *b0.54
50 4 .:.2 2.70 2.! o.3 4.71 12.-9 1.10 12.39 7.I0 9.07 5.29 2.79
85.2251 1 .56 2.6C 6 .07 5.7 3.49 S.55 12.10 5.b 7.76 6.75 2.35 .5b
59 .6252 1 2.89 2.6 S.3A 6.73 4.20 8.15 12.14 7.61 3.73 '4.29 3.29
.72 61.19E3 1.11 1.58 3.6" 2.33 5.76 6.I9 9.53 10.10 11.74 '.79 .29
2.67 61.76
54 3.2P 1.10 3.34 4.9 5.59 14.48 4.52 4.52 14.49 4.50 5.14 1.7
67.6955 1.7) 3.67 5.31 1.76 5.19 2.67 3.15 5.61 7.C1 12.46 4.SC .67
C3.905S 3.08 1.62 5.C3 4.0 I1,C9 3.97 4.94 3.37 1,.42 11.47 2.22
.C7 60.5457 .. 3 2.4? 2.14 3.53 7.37 10.14 7.30 2.06 12.82 4.33
1.77 2.72 59.4358 2.75 3.15 2.63 .49 3.2 1.2- 9.5p 7.44 19.96 9.50
!.22 4."C F6.1659 2.C3 3.5 3.47 4.56 6.55 S.94 4. 7C 11.20 7.64
7.91 2.70 3.67 64.20
50 1.67 .24 1.6 6.23 6.16 3.49 .G5 13.22 E.27 4.57 2.71 2.67
'1.3061 I .59 1.26 3.7C 4.87 1.46 13.32 1.36 4.41 3.3 11.C4 1.66
1.44 48.4662 .92 .43 1.39 2.77 5.15 8.22 7.15 5.51 1.11 4.21 6.06
2.22 45.16
63 .16 .41 2.34 2.u1 4.6t 7.66 3.98 9.65 3.42 8.71 2.7' 1.4C
47.94
64 4 .31 2.15 3.13 3.51 2.89 3.92 1.89 18.07 6.98 '4.03 1.23
1.63 53.6965 1.04 .20 1.92 2.47 15.43 6.67 4.85 lU.77 .860 2.60
3.13 2.66 62.4966 .98 3.76 4.02 .54 6.50 17.58 5.54 2.73 12.52 5.17
.66 .4c 64.4267 1.01 1.24 2.79 3.o 2.60 3.73 6.10 5.30 7.35 8.13
1.9 1.65 45.c
68 .31 2.L2 2.69 4.7; 5.62 6.49 7.14 9.77 3.97 4.61 .70 6.70
5'.2669 2.05 . 70 4.76 2.41 3.51 6.37 3.33 4.36 6.72 6.52 3.24 .09
"7.0670 4.b4 1.13 1.90 3.33 5.51 6.65 .. 53 6.64 5.96 3.22 4.34
1.1Ip 55.5
71 1.13 1.41 2.29 4.96 3.22 4.88 4.34 6.92 9.15 8.09 1.00 1.51
01.297Z 3.66 5.49 1.23 4.12 6.22 4.24 11.70 4.2b 13.82 1.16 1.25
4.I" 62.2373 1 3.65 2.33 .47 4.96 3.52 5.33 4. 9 3.33 6.12 5.62
2.69 TRACF "2.61
74 1 .81 2.4 3.86 5.71 3.46 9.27 16.54 12.66 11.42 4.73 1.12 .87
72.6975 1 1.62 3.19 3.CE 3.63 4.34 10.93 4.63 6.29 3.23 8.79 8.07
1.72 59.4976 1 .wl 4.13 2.63 4. ,3 9.25 8.84 3.04 4.34 8.33 5.53
3.40 1.23 54.71
NOTE * (BASED ON LESS THAN FULL MONTHS)
CONTINUED ON NEXT PAGE....
-
S LLBAL CLIMATOLDOY BnANCH MONTHLY PRECIPIIAIIONL'AFLTAC tFO"-
QATLY 0SLVAITUNST
AI WEATHER SE9VICE/MAC
STATION NUM3L1: 47642Z STATICN NAMF: YOKOTA AF JAPAN PLRIOJ OF
RECORD: 4T-PP
TOTAL MONTHLY PPECIPITATIN IN INCHES
ALL
YEAR I JAY FE9 'AP
AP? MAY JUN JUL AUCr SEP OCT NOV OEC MONIHS° ' ' ..... .... ....
..... ' . - .. .. .. .. .. .. .
77 I .65 1.01 1.1'. 3.92 2.39 7.71 c,.4 4
15.56 9.97 1.79 3.56"' .72 97.23
7A8 .11 1L.A 4.7F 5.94 2.59 3.4, 7.34 2.3c 5.14 5.39 1.96 9.
41.F579 1.75 3.62 1.09 4.63 6.0A 2.79 3.96 4.5 6.32 b.ol 6.34 .91
61.tk6z 2.93 .53 4.21 4.1? 4.42 2.;1 o.87 .22 6.31 6.95 4.25 1.65
53.9881 .16 .93 4.6- 535 4.90 4.15 9.57 5.52 5.09 9.55 4.23 .1
54.:3L6z .35 1.12 2.t2 4.57 1.95 5.47 7.21 13.23 1b.93 6.46 ".96
.6u 65.S0
63 .97 2.14 4.17 4.64 4.33 b.46 3.o5 12.42 9.21 5.2P 1.55 ,
-5.C264 2.j3 1.99 2.2 1.34 2.45 6.33 6.02 1.71 3.79 4.43 1.98 1.70
36.1p
85 .G 712 4.C9 7.93 1 .9 15.2F 4.55 S.11 4.99 2.14 3.75 .41
57.14
b .63 .97 5.02 4.05 7.65 5.05 4.b 9.6" 9.11 2.62 .9C 3.0
54.51617I 2.21 1.44 2.59 .52 2.62 4. S8 4.95 4.35 9.91 4.96 2.69
1.6 42.2jE6 .56 .3C
S.u I 1.376 1.465 1."30 1;635 2.596 3.P89 3.612 4.141 3.960
3.216 1.97C 1.3n0 9.436TOTAL 0;$ I Z71 1159 1240 1203 1240 120G
1240 1239 1193 1240 1227 1271 1 720
NOTE IBASED ON LESS THAN FULL "CNTHSI
-
GLOBAL CLIMATOLOGY B ACH PLECENTAGE FREQUENCY OF OCCUQRENCL OF
SNOWFALLUOAFETAC FEOM SUMMARY OF DAY DATAAIR WEATHER SRVICL/MRC
STATION NUMBEQ: 47042C STATION NfME: YOKOIA A- JAPAN PEPIOD OF
RECORO: 47-a6
...............................................................................................................................................AMOUNTS
IN INCHES
C ..3 0.5 1 1.I Z.S 1 3.01 4.5 1 6.5 1 J.5 1 15.5 1 25.5 1 OVER
I t DAYSI TOTALI MONTHLY AMOUNTST I I T01 TOl TT U Y IUI TO 1 10 TO
I TU I TO I 'ITH I
MONTH I NONE ITRACEI 5.4 1 1.41t '.4I 3.4 1 4.41 6.4 I 10.41
15.4 25.4 I 50.4 -).4 1 MEAS I OBS II 1 I I I I I I I I I I AMTS I
I MEA GREATEST LLAST
.................... ................... . .......
....................................................
......................I I I I I I I I I I I I I I
JAN4 89.11 5.8I .91 .71 . ] .- 1 .21 .2 11 4.2I 1271( 3.1 1 .2
.0I I I I I I I I I I
FEB I 82.8 1 9.71 1.4 I 1.1 1.6 1.11 .41 .9 1 3 1 3 1 1 1 1 ?. 4
111591 5.6 25.0 .0I I I I I I I I I I I I I I
MAO 188.7 1 . .71 .61 .71 .61 .21 .31 .1 . 1 1 1 1 3.3 12401 2.9
23.1 .3I I I I I I I I I I I I I I I
APE 199.1 .71 ,I ) .I 21 12001 .2 b.7 .0I I I I I I I I I IIII I
I
MAY 1102.0 1 1I 120I1 .0 .0 .0I I I
JUN 00II1I 12031 .C .0 .0I I I
JUL I I UI I 12431 .C .c .0I II
AUG It3, 12401 0 .f CCI I
ETP I1 I 11991 .c .0 .0I I
OCT 1100.01 1 1 1 1 12431 .0 .0 .0I I I I I I I
NOV I 99.2 .71 1 1 1 1I .1 123Q1 TRACE .4 .01I I I I I I I I
DEE 1 95.81 3.31 .1 .41 I .21 .11 1 1 .91 12711 .4 4.0 C0I I I I
I I
.........................................................................................................ANN
196b.2 1 2.41 .3 1 .31 .'I .21 .11 .11l .I 1 .01} I I I 1.31147301
12.2
-
GL* AL CLIMATOLOGY akACHM LXTTEME VALULS OF SNLWFALLUSAFETAC
IFPOM DAILY ObSL.VAIIONS)AIR hEATHER SERVICE/MAC
STATION NUMBER: 4764ZO STATION NAME: YOKOTA AP JAPAN PERIOC OF
PECuPO: 4 7-of
24 HOUR AMOUNTS IN INCHES-M-0-N-1-H-S- ALL
YEA' j JAN FLF MAr APR MAY JUN JUL AUC SEP OCT NOV DEC
MONIHS
47 1 ., TRACE48 I TRACE TRACE TRACE .. .' ".0 .0 .0 .0 TRACE49 1
TRACE TRACE 1.' .F .n .0 .0 .r .2 .C .7 . 1..8
5- 1 2.2 4.5 . a . .0 .0 .0 . .r .C . .. .551 !. 1 5.3 'RACF .D
.c .1 .n .0 .c .0 TRACE TRACE 5.752 3 3.3 6.2 u.. TRACE .' .0 .C .1
.0 . . T TRACE V.0I I 3.9 7.6 1.7 .2 .0 .C .0 .0 .C .0 .2 .1 7.04V
8.7 3.4 '.4 .3 .2 .C . , .C .2 .0 TRACE ,7
55 1 TRACE TRACE 1.2 .2 0 .. 0 .C c .0 -c 1.056 3.2 V, TRACE 2.5
.0 .0 .0 .0 .C .z . 4.6
57 .3 5.5 1., .2 .3 .2 .0 .C ,G .0 .0 .c '.5
58 TRACE 11. '.C .3 .2 .0 .2 ,' .0 .c .c .0 11.e
59 7.8 2.1 'RACE .0 .0 .0 .0 .n .0 .0 TRACE TRACE 7.8
6C 1.5 1.2 TRACF .3 .0 .G .0 ,. .c . .C TRACE 1.5'1 1 TRACE
TRACE . 1 .3 .2 .0 .0 ,c .0 .U TRACE TRACE .362 1 1.8 .5 TRACE
TRACE .0 .C .0 .r .G .0 TRACE .C I.663 I TRACE .4 3.0 .3 .0 .c .0 ,
.0 .0 TRACE .L 3.c64 .5 3.9 TRACE .3 .0 .C .0 .0 * .0 .0 T/ACE
3.9b5 2.9 TRACE TRACE .3 .0 .c .3 .0 . • .C .0 TRACE z.9
66 TRACE TRACE TRACE .2 .0 .C .0 . .c C0 TRACr TRACE67 I TRACE
3.3 TRACE T E .R .0 .0 . .0 .0 .C .1 7.368 .3 12.3 .2 .2 .0 .0 .0 0
.0 .0 .G .0 12.3
69 1.5 3.2 14.A 6.7 .0 .C .S .r .C .0 .D .0 1L.87Z I TRACE 5.2
1., .3 .0 .0 .0 .0 .0 .2 TRACE .V 5.2
71 1 1.5 4.4 .7 .2 .0 .c .0 r, C . .O c 4.472 I.2 7.3 .c .2 .0
.0 .0 .0 .0 .0 .0 .0 7.3
73 2.8 .0 'RACE .3 .0 .0 . .2 .0 .0 .0 .0 2.874 F . 1 4.5 7.6 .3
.0 .0 .0 .c .0 .c .0 1.0 V.1
75 4.8 10.7 '.4 .2 .2 .0 .0 .2 .C .0 .C .7 10.776 .0 1.2 TRACE
TRACE .0 .0 .c .c .C .0 TRACE TR ACE 1.2
NOTE A (BASED ON LESS THAN FULL MONTHS)
CONTINUED ON NCET
PAGE....
-
S bLLRAL CLIMATOLDGY RkANCH LAITEME ROLULS OF SNUWFALL7IJOAFETAC
IFROM DAILY ORSLYAATTONSIAlA hIATHER StPA1CL/r4A.
STTION NUMBER: 47642C STAT jEN NIME: TOKOT A AP JAPAN PERIOD OF
PEEVED: 47-PP
2"HOUR AMUUNTSIN NCE
-O-N-1-H-S- ALLYEAR I JAN FEB MA' APT? MAY JUN JUL A UGr SE P
OCT NOY DEC MONTHS
76, L . TRACt TROCE * .0 .0 .0 . C .0 .0 TRACE 7.079 2 23 T RACE
TRfCE .2 . 0 C .C . .0 .0 .0 .0c 2. 362 4 '43 1.6 s.5 . .0 .0 .0 .
.0 .0 .0 3." .61 TRACE 2.1 .5 . 0 .c .0 r' .0 .C TRACE . .142 I 2
iRAtE TRAC .3 .0 .0 .0 . .0 .0 .01 TRA C .2
3 I .1 5.9 TR0CC .0 .0 .D .0 .*r .0 .0 .0 TRACE 5.9' $ P. 05 C2
TAC .0 .0 .0 .r .C G. 2.5 10c. 5
64 I .0 1 50 .0 . 0 . 0 . .0 TR ACE 3.0HA TRACE 7.3 q.I .0 .0 .0
.0 c0 .0 .0 .0 3.C 9.1Ab 7 '.2 4 .3 %3 . C 40 .0 .0 3' . 5 .68 I 7
3.0
5.0. I 2i505 3.478 7.0" 1.121 .000 .000 .000 .0100 .20 .000 C
.62 .994 3.C43YATAL 00 1271 1059 1240C 1202 1240 1200f 1240 124!'
1199 1240 1230 127 1 14173Z!
NOTE' (BASED ON LESS THAN FULL MONTHS)I
-
mI
G LOAL CLIMATOLOGY PkACH MCNTHLT TNO FhLLuTAFEIAC (FOUM DAILY
OBSLPVATIONS)
Ai SEATHER SEGVIC/MAC
STATION NUMBER: 4%t42' STATION NAM(: YOKOTA A JAPAN PERIOD OF
PECORD: 47-VA
TOTAL MONTHLY SNO.FALL IN INCHES
-P-J-N-S-H-s- ALLYEA I JAN FLP "'Af APR MAY JUN JUL Au G SEP OCT
NOV DEC MONTHS
47 .3 TRACE48 TRACE TRACE TRACE ., .0 .0 . 4.3 .3 0 *TRACE49
TRACE TRACE 1.5 .D .3 .0 .0 .C ., .0 .3 .7 2.5
53 40 6.2 2 . 3 .0 . .3 .C .Z .4 .0 1C.451 3.1 8.3 TRACE .2 .0
.0 .2 .0 .3 .L TRACE TRACE II.I5 I 3.3 20.2 A'.T TRACE .2 .0 . ,'
.0 .2 .0 TRACE ?32
53 4,3 9.5 2.1 .2 .0 .C c 4r .3 . . F . 15.654 1 . 3.4 ' .2 0 .
.0 1, .0 .0 .C TRACE 22.3
55 1 TRACE TRACE 1.? .2 .0 .0 .0 . U .o -0 1.056 6:2 7.1 TRACE
2.5 .2 .3 O 4' .C .0 .0 .0 15.8
57 .0 5.6 I.E . .2 .0 . . .C .0 .0 .0 7.458 TRACE 14. ,3 .2 .0
.C .0 .0 .0 .2 23.9
59 7.8 2.1 TRACE .2 .0 .0 . ,r .0 .3 TRACE TRACE 9,960 I 1.5 1.2
'RACE C . . 0 c .0 .0 .0 .0 .0 TRACE 2.761 TRACE TRACE .3 .3 .C .0
C . .0 .0 TRACE TRACE .362 1.8 .6 TRACE TRACE .0 .2 .0 .0 .2 .0
TRACE .c .463 TRACE .8 4.1 .2 .0 .0 .0 .' .P .0 TRACE .L 4.964 1.0
9.6 TRACE .2 .0 .0 .0 C .C .0 .C TRACE 1C.6b5 3.3 TRACE TRACE .3 .0
.0 .0 .1 .0 .0 .0 TRACE 3.3bb I TRACE TRACE TRACE .0 .0 .0 .0 .0 ,c
TRACE TV ACE
61TI TRACE 6.8 TRACE TRACE .3 .0 .0 .c .2 . .0 .1 6.966 .3 15.5
.1 .2 .0 .0 .0 .0 .0 .0 ,2 -3 15.8
69 2.4 7.2 27.1 6.7 .0 .0 .0 . .0 . .0 Cc 39.4
70 1 TRACE 5.2 1 . .0 .0 .0 .0 Y .0 .c TRACE .q 7.171 4. 1 5.2
.7 .3 .2 .0 .0 .0 .2 .0 .0 .V 1C.C72 1.3 15.3 .1 .2 .0 .0 .c . .0
.0 .0 .0 16.373 2.8 .3 TRACE .3 .0 .c .0 . .0 . .0 .0z 2.874 8.1
15.0 9.7 .3 .0 .0 .0 . .0 .0 .c 1.0 36.175 5.2 11.2 &.7 .3 .0
.C .0 . .0 .0 .0 .7 23.876 .0 1.2 TRPCE TRACE .0 .0 .0 .3 .c .0
TRACE TRACE 1.2
NOTE * I8ASED ON LESS THAN FULL MONTHS)
CONTINUEO ON NEAT PAE ....
-
G OLObAL CLIMATOLDGY Rx;hCH MONTHLY SNO.FALLUAFC TAC IFPUP DAILY
bSLPVAIONDI
AIR WEATHER SERVICE/MAL
STATION NUMPER: 4764Z2 STATION NYPr: Y)KOTA A8 JAPAN PERICO OF
RECORD: 47-86.. .. °. .... . ... ... . .. .. .. .. .. ....... . .
... .°.. . ... .. .. .. . ... . . . .°. .°. ... . . °... . .. .. ..
. . . . . . . ** ............
TOTAL MONTHLY 57WFALL IN I NCHES-M-0-N-T-H-S- ALL
YEAR I JAN FEY 'A' APR MAY JUN JUL AUG SEP OCT NOV DC MONTHS• .
. . . . . . . . . . . .. . . . . . . . . . . . . .. . . . . . . . .
. . . .....°.. ...... ....*. ..' ° '°...... * . .° .* *.. *
....
77 f . 3.1 .1 .2 .2 . .,1 .1 .0 . .0 .C t.E76 I S.a TRACF TRACE
.2 .0 .2 .C .0 .0 .0 .2 TRACE .8
79 5.6 TRACF TRACE .2 . .1 .0 .C .0 .C .2 .0.b62 4.3 1.9 .S o .0
.2 .D .2 .0 .0c .0 4.2 14.781 1 TRACE 2.4 .5 .1 .3 c.3 . TRACE ..
4AZ .4 TRACF 7A-ACE .5 .0 .0 .0 .0 .* .2 .5 TRACE .4b I .1 7.1
TRACI .3 .0 .c .r .2 .0 .c .0 TRACE 7.284 1.2 1.9 12.6 TRACE .0 .00
. .0 .0 .0 2.? 52.4b5 1. 2.2 . . .0 .c . c .2 c .0 .0 TRACE .0L6 I
RACE 12.5 ! .7 * .3 .c .0 .2 .0 .C .0 3.C 2S.787 11.c 7.5 T.4 . 0
.C .0 .0 .0 .c .2 4.2 28.9b 1.1 3.2
ME AN I 32 .4 24 2 0 O 2 0 0 0 0 4 26S.D. I 4.166 5.759 '*.24
1.121 .500 .200 .20 .C. .000 .COO .062 1.04z 12.380
TOTAL OBS I 1271 1159 1242 12C3 1245 1200 124C 1242 1199 1240
123C 1271 14732
NOTE * (EASED ON LESS THAN FULL MONTHS)
-
* GLOBAL CLIMATCLOCY BNANCH PLPCENTACL FREUENCY OF DCCURYENrE OF
SNOC' DEPTHU0AFLTAC FOM SUMMAPY OF DAY CATA
AI WEATHER SERVICE/MAC
STATION NUMPER: 476420 STATION NAF: YUKOTA AP JAPAN PERIU OF
PECOYG: N7-A8
AMOUNTS IN INCHLYI I I I I I 7 I 13 1 25 1 37 1 49 1 bl I OVER I
t DAYSI TOTALI MONTHLY AMOUNTS
I I I i TO I TO I TO? TO I Tu I TO I I WITH IMONTH I NONE ITRACE
I 2 1 I 1 1 12 I1 2. 1 36 1 49 I 6L I 12. I 120 1 MEAS I OBS I
I { I I I I I I I I I I I AMTS I I MEAN (RLATEST LEAST+° .......
. .........
I I I I I I II IIIJA P 95.11 1.5 I21 .o .6 I .91 31 3.4 1271
I I I I I I I I IIIIFEP 89.6 4I . 1 1.21 I1. I 1.51 61 1 1 1 1
6.4 11591
MA 1 96. 1 I 1.61 b 1 .6 .41 2 2.3 12401
APP 99.9 .I .1 120
MAY ioo.o 124 0 N
JUN 1 I00.0 1 1 1 12C I
JUL I I 0.I I 1 12401
ADD 11.01 1201
AUCI I I Ic. I I 1 124 1SEP I10.0 11199
CT 1 30.0 1 1240
NOV 99.9 . .1 1230?
DLC 199.1 .3 .4 I .21 .61 1271?
.... .. I .I .... ... .. . . ..
ANN4 98. 3 I .61 .4 j .2? 1?1 .2i .1? I I I 1 1 14 173LI?
-
* SEGCSAE CLIMAITOLOGY BANCN XTREME VALUES OF SO. DEPTHUTAFLTAC
(FrOM fATLY OESLRVTION S)
ATf wEATHIR SERVICE/MAC
STATION NUMBER: 47642C STATION NfMC: YOKOTA A- JAPAN PERIOD oF
RECORD: 47-MM
........................ I
...................................................................................................°
DAILY SNOW DEPTH IN INCHES
-M-U-N-1-H-S- ALLYEA' I JAN FEB PAP APT MAY JUN JUL AUC SEP OCT
NO DEC MONTHS
4 1 T R ACf"A 1 TRACE 0 TRACE c 0 C ' *C 2 0 1 TRACE49 f 0 2 2 1
0 C 0 C 0 TRACE 25L a 7 0 3 2 C C C 0 0 I 1 751 2 4 2 0 2 C 0 2 0 0
902 2 5 2 0 0 0 C C 0 C 9
53 4 6 - 3 Z 0 0 0 0 0 654 12 4 1 2 0 C c c C 0 C C 1255 c 0
TRACE 0 0 0 0 0 C 0 C TRACES I 4 4 TRACE 2 c 0 C 0 C 0 c 457 1 0 4
0 C 0 0 G 0 O 0 456 b2 1 2 2 C C 0 0 C 0 C 1
59 I 6 1 1 0 c 0 2 C 0 r 660 1 TRACE TRACE 2 2 0 C 0 C u 0 c
TRACE
b I 2 0 2 3 2 0 0 0 0 C 0 262 1 c 0 2 0 0 c 0 0 0 163 0 0 I 2 0
C 0 0 0 C C, I64 I 3 0 c 0 0 0 c C 365 2 2 7 2 0 0 0 0 C 0 C C 266
F C Z 1 0 C 0 0 2 0 C 0 a67 0 5 0 2 0 0 0 0 0 0 C C 568 0 12 3 0 C
0 0 C 0 0 1269 1 TRACE 3 9 2 0 C c 0 C 0 C 972 I 0 5 TRACE 3 0 0 c
0 G 0 2 1 571 I 1f1 3 0 0 0 C 0 C C 0 172 1 2 1 2 0 0 0 0 0 0 0c
273 TRACE c C 2 0 0 c 0 0 0 0 C TRACE
74 6 2 1 3 c 2 0 C 0 0 0 1 675 4 6 1 0 0 0 0 0 C 0 C b76 C TRACE
0 2 0 0 0 0 0 c c TRACE
NOTE * (BASED ON LESS THAN FULL MONTHS)
CONTINUED ON NEXT PAUE....
-
0 GLDAAL CLIMATOLOGY AnANCH :XTREME VALUVS Or 'NO.
DEPTHu',ArLTAC 1Fr"M0 DA ILY OASLVIYJATTIG(NSIA:N WEAIHER
SERVICE/MAC
STATION NUMBER: 4 7L4 21 STAT ION NERE: YOKOTA A- JAPAN PERIOD,
OF RECORD: 47-NA
bAILY SNOW DEPTH IN INCHES-M-O-N-T-H-S- ALL
TLAQ JAN FEY "A APT MA Y JUN JUL AR SEP OCT NOR DEC MON IHS
77 I 1 TRACE TRACE 7 0 0 r C Cl C 0 c I78 I 3 CT 2 2 r r 0 C 0 C
3349 1 7 0 c C r c c 11 r 182 1 TRACE 0 4 2 2 C 0 c C C. TRACE4E 1I
0 -T 0 C a r C C 0c C62 I TRACE TRACE 1 0 c 0 C c C TRACEA3 I 3 r 2
r C c 0 c 0 c 384 8 7 0 3 0 0 C 0 C c A85 I 1 TRACE 2 3 0 C 7 0 C 0
7' 2At I 11 S 0 C T 1, 0 C 0 3 1187 5 4 70 0 0 C a U 03 5
66~ : 1
S.D. Z .656 3.231 2.'SS .316 .030 .000 .000 .30C .[?Cc .DOC .156
.679 3.614TOTAL GAS I 1271 1159 1 240 1202 124)1 1200 1240 124'
1199 1240 1230 1271 14 730
.........................................................................................................................................
NOTE * (BFASED ON LESS THAN FULL MONTHS)I
-
PPPPPPPP AAAAAA RRRRRRR ~ TTTTTTTTT7 CCCCCCPPPPPPPPP AAAAAAA
kRRRRRRR 1TTTTTTIT ccccccccPP PP AA AA RR RR IT cc ccPP Pp AA AA RR
RRI IT ccPPPPPPPPP AA AA RRRPRRRR TT ccPPPPPPPP AAAAAAAAAA RRRPRR
IT ccPP AAAAAAAAAA F R R R IT IccPP A A A A RP p R TT C Ic ccPP AA
AA RP PP IT CCCCCCCCPP AA AA RP RR IT CCCCCC
C-',
-
S
SRFACL WIND SUMMARIES
EXTREME VALUES OF PEAK WINDS:
DATA DERIVED FROM SUMMARY OF DAY DATA.
VALUES PRESENTED BY INDIVIDUAL MONTH AND YEAR WITH ALL YEARS
COMBINED.
SPEEDS PRESENTED IN KNOTS.
DIRECTIONS PRESENTED IN lb COMPASS PDINTt
FROM bEGINNING OF PERIOD OF RECORD THROUGH JUNE 1966.COMMENCING
JULY 1968 DIRECTIONS PRESENTED IN TENS OF DEUREES.
AN ASTERISK "4" IN THE TABLES INDICATES THAT THE VALUE IS BASED
ON AN INCOMPLETE MONTH OF THREE OR MORE
MISSING DAYS.
MEANS AND STANDARD DEVIATIONS PRESENTED O0 NOT INCLUDE
INCOMPLETE MONTHS. FOUR OR MORE MONTHS ARE NEEDED TO
COMPUTE THESE STATISTICS AND INCOMPLETE MONTHS ARE NOT
INCLUDLD.
TABLES ALSO INCLUDE THE OBSERVATION COUNTS.
BIVARIATE PERCENTAGE FREQUENCY TAPULATIONS OF SURFACE WINDS:
DATA DERIVED FROM HOURLY DATA.
PRESENTED ARE THE PERCENTAGE FREQUENCY OF WIND DIRECTION 10 Sb
COMPASS POINTS, CALM AND VARIABLE
VERSUS WIND SPEED IN KNOTS IN INCREMENTS OF BEAUFORT
CLASSIFICATIONS.
PERCENTAGES ARE SHOWN BY BnTH DIRECTIONS AND SPEED, AND IN
ADDITION THE MEAN WIND SPEED IS GIVEN
FOR EACH DIRECTION.
DATA PRESENTED BY THE STANDAPJ 3-HOUR TIME GROUPS BY MONTH,
MONTHLY AND ANNUALLY (ALL YEARS COMBINFDT.
A SEPARATE ANNUAL TABLE PRFSENTS THE SAME BIVARIATE
DISTRIBUTIONS WITH IMPOSED CEILING/VISIBILITY
LIMITATIONS: WHEN VISIBILITIES EQUAL TO OR GREATER THAN 1/2
MILES, THE CEILINGS ARE 2C0 TO T4OD FEET ARD/OR WHENTHE CEILING IS
EQUAL TO OR GREATER THAN 200 FEET, THE VISIBILITIES APE 112 THROUGH
2 112 MILES.
A PERCENTAGE VALUE OF ".C" IN THESE TABLES INDICATES ONE OR MORE
OCCURRENCES AMOUNTING TO LESS THAN ,CS.
-
GLUSAL CLIMATOLOGY BkANCH EXTPLML VALULS OF SiJRFACL
DINSUSAFETAC (FPOM ALY 05PVA1INSAlk , 5ATHER SERVICL/MAL
STATION NUMBEP: 47642r STATION NAhE: 908OTA AP JAPAN PERIOD OF
RECORD: 59-68
(11119 PEAK GUSTS IN KN0TS-M-0-N-1-H-S- ALL
YEAP J JANI FEI MAgi AP4I MAYI JUNI JULI AUCI SEPI OCTI NOVI
DECI MONTHS
69 I II I E 521 S 711 N 32? N 23? N 32?
6C NNW 35 NN: 38? N 3 ? NNE 331 SW 301 S 25 S 24 5 3 S 21 : 221
NNE 261 N 34? NNW 38b1 W 33 W 34? NNE*2
0 S 32 S *361 SSE 26? SSE*4C 6NEA37 S *6T1 N *761 NNE 361 NNW
321 N *76
62 *9* 3.c .S, 32? NNL 3t 1 S 43 S .311 NNL*35? 1 32 SE *3F
SSE*24 N *14I NE 241 N 27 SW 48b3 1 N- 443 .h*361 WNW-281 NE 371 S
281 NE *381 5 *271 NNE*3] N 030 N 271 NE 271 NNE*34 NW 46364
SSLO26I N *311 N *3? S 31 1 NNE*361 S 33? NNE*38I S 281 S 4531
NNE*3DI N *321 N *24 1 S 53b5 I N 6 1 NNE 261 N 37? N *25? S* C291
N 211 NNE22 I NE *27 5SE*76 NE *261 NNE 36? N 32? SSE*766b W 35 1.
3? NNE 36? s *321 S *311 NNE 4 1 5 34 5 2Q SSE 911 NNE 231 N 35? Nw
4C SSE 9167 N *31? 546 32? S 32? 55w 41 N 241 N 56 N 31 N *24 N 26?
5 35 N 26? W 27 N 5668 1Sd 421 N 291 NNW 3"? NNE 291 5 291 5SE 301
1/ 271 18/ 431 18/ 241 3/ 231 2o/ 29? 2/ 22? 18/ 43t9 1 271 321 3S/
3? I / 371 33/ 39 1 / 261 17/ 401 1F/ 23? 16* 42? 35/ 361 1/ 261 1/
36? 25/ 311 17/ 407C 1 31/ 361 32/ 411 2A/ 361 1/ 34? 16* 291 1/
27? 19/ 22? 2* 38? 2- 401 36/ 261 24/ 37? 29/ 35? 32/ 4171 35/ 371
361 3?1 'I 341 1/ 35? 2/ 251 36/ 231 3/ 27? 1/ 41? 3/ 351 36/ 21
36/ 351 35/ 3f? 1/ 4172 3Z/ 41? 3S/ 31? 2"/ 341 3 / 3& 1/ 371
17/ 361 16/ 28? 35/ 261 17* 521 35/ 3C? 36/ 25? 32/ 291 17* 5273
34/ 281 27/ 38? 1/ 35? 17/ 27? 21 291 17/ 19? 171 21? 17/ 24? 34/
31? 17/ 241 23/ 341 3!/ 3L 27/ 38
74 34/ 40? 3b/ 331 36* 341 ? I 16* 221 2* Z6 16* 5? 1'/ 26? 35*
30? 321 271 36/ 28?75 33/ 331 321 391 3v/ 341 3C1 35 1/ 291 32/ 3!1
18/ 21? 17/ 5'? 35/ 311 351 3C1 36/ 331 36/ 3C? 17/ 5576 1 33/ 351
1/ 421 1 37? 36/ 3? 1/ 33? 18/ 271 16* 22 1 1 351 39 1 1/ 321 35/
37177 34 / 341 33* 33? 36/ 32? 301 33? 321 39? 17/ 26? 13/ 221 33/
25? 36/ 3!1 3/ 231 35/ 291 36/ 361 32/ 3976 331 34? 35/ 42? 33/ 361
1/ 37? 36/ 30? 17/ 29? 18/ 22? 17/ 31? 41 21? 33/ 37? 36/ 32? 34/
36? 35/ 4279 33/ 4:? 36/ 25? 3 / 42? 18/ 34 34/ 35? 16/ Z4 I f 21
16 / 26 36/ 25? 18/ 62? 3,/ 26? 34/ 3r1 18/ 628C 1 34/ 37? 1b 251
33* 311 19/ 41? 34/ 351 17/ 28? 1 / 27? 35/ 23? 19/ 381 29/ 281 21
341 32/ 331 19/ 4181 1 35/ 351 1,/ 34? 2-1 4r? 1/ 35? 39/ 40? 18/
25? 18/ 3C? 6/ 33? 19/ 261 4/ 491 3/ 32? !-/ 32? 4/ 4962 I 1/ 38?
36/ 29? 3/ 4-1 35/ 32? 391 271 19/ 26 1 26? I8/ 671 17/ 531 351 381
30/ 361 3'/ 351 18/ 6783 36/ 351 28/ 341 36/ 361 3/ 34? 1 / 34? 18/
33? 17/ 22 1/ 35? 1 / 301 1/ 351 29/ 34 1 35/ 31?1 6/ 3684 1 35 311
341 321 1/ 341 3/ 24? 17/ 371 17/ 27 17/ 24? 19/ 28? 2/ 181 2/ 251
1/ 261 34/ 301 17/ 3735 1 35/ 291 36/ 291 IP/ 32? 16/ 35 1IS/ 301
ig/ 33? 16/ 44? 35/ 31 17/ 2 ? 26* 261 33/ 351 34* 3 C 16/ 4486 1
I/ 231 33/ 341 31/ 321 29/ 35? 17/ 30? 1/ 26 18.' 19? 341 27? 6/
22? 36/ 271 35/ 28? 1/ 311 29/ 36b7 1 36/ 9 33/ 391 3'/ 34? 18/ 35
1/ 321 17/ 29? 6/ 44? 21 4 35/ 261 19/ 391 35/ 351 39/ 3e 21 458e
35/ 291 1/ ? 1 1 1 I I
S.D. I 4.4511 4.9511 2.9[71 4.451 4.5331 7.740? 6.8471 11.892?
17.8051 9.5961 4.3721 4.23e? 1C.168TOTAL 085 I 8781 7821 FZS 782?
803? 812? 828? 8161 8061 8451 867? 8821 9899
NOTS * IASED 3N LESS THAN FULL MONTHS)I (RASED DN LESS THAN FULL
MONTHS AND *ICC KNOTS)
-
* GLOBAL CLIMATOLOLY B6AtCH rL 'CFNTAGE FQtEOU'NCY ( OCCLRFNCL
OF SuRFACF WIND DIRECIION VERSUS wIND SPEEDIU AFLTAC FROM HUURLY 0
9SERVATION
AIR WEAIHER SERVICL/MAL
STATION NUMPER: 47642C STATI]N NAME: YOKO A A JAPAN PLRIOD OF
RECORD: 79-08
MONTH: JAN HOUR SLSTI: O0C0-02C0
WIND SPEED IN KNOTS
UIPECTION 1 1-3 4-6 7-1 11 -1e 17-21 22-2? .8-33 34-3 j 1-47
18-55 GE S6 TOTAL MEANUEGRELS] % , wIND
... .. .. .. ... .. i;..... ;: ....... :Z;.... : . . . ...... :;
...............................................:;........l.......
NNE . 1.: .a . 2.9 5.8
NE .3 .2 .5 3.6
ENt1 .1 .0
t_ .. ,5 2.C
ESE .1 . .2 2.5
SE .1 .1 2.0
SSE .1 *.46 . 3
S .. ,2 .5 5.0
SSW I .3 * 1. .0
Sw 1.2 . 22 1.6 3.1
WSW 2. . , 2.9 3.2
W 9.0 6.7 .? .2 IE.0 3.6
WNW 7 .4 3 .r .2 11.6 3.0
&W 3.7 1. . 5.6 2.9
NNd 2.' 1.r
1.8 .5 ,. ,2 5.8 5.8
VA(IALLE ]9.2 . .3 1.7
TOTALS I 36.9 22. P.O 3.8 s5 .3 100.0 3.1
TTAL NUMBER OF OBSERVATIONS: '30
-
GL GLBAL CLIMATOLOGY BRANCH EI':CENTAGE FIEGUENCY OF OCCURRFNCL
GF SURFACE WING DIRECTION VERSUS WIND SPEEDITAFLTAC FRJM HLURLT
OBSERVATIONSAI kEATHER 5ERICLJ/MAL
STNTON NUMBERA :7642C STATI(N NAM YOKOTA AT JAPAN PERIOD OF
RECORD: 79-EB
MONTH: JAN HOURSILSI: C3LU-O5CD
WTNO SPEED IN KNOTSDIRECTION 1 -3 4-6 7-1- 11-16 17-21 22-27
8-33 3-4c 41-47 48-S5 GE 56 TOTAL MEANIDEELSI I WINO
N I 6. .. '.9 1.8 .9191.9 6.3
-INE .9 .' .6 .3 .. 28 6.2
NE .3 . .6 3.7
ENE .2 .2 1.0
C I .2 1.0
ESE .2 .2 1.0
SE
SSL .4 .4 1,.
S ,2 .4 4 .3
SSw .A .4 2.C
SW .9 . .1 1.2 3.2
WSW I . .2 2.5 3.5
6 9 Q 6.' .6 17.0 3.2
W6w 7.1 4.. .3 11.4 3.2
NW 3.7 2.1 .2 5.9 3.1
NNW I 1.7 .9 .3 3.7 4.6
" ',; A L .....................:
.......................................................................................3
.3 9.3
CALM # / 32.8 11///
TOTALS 3q 21.11 9.1 2.5 .9 100.0 2.9
TOTAL NUMBER OF OBSERVATIONS: 93r
-
GLOBAL LLIMAYOLOUy ERANCH P'EPC'rTAE FZLOUrNCY Cr OCCUPQNECL OF
SURFACE WING DIRECTION VERSUS WIND SPEELU AFL TAG EFVA4 H,.URLN
OSRVATI1ONSA: P WEATHER SE VICL/MAC
SATION NUMER: 47t;Z STAT] A NAM: VORDIA AF JAPAN PERIOD OF
RECORD: 79-88MONTH: JAN HOURS(LSY$: 0tD-ObOCC
.WIND SPEED IN KNOTSDIECTION 1 1-3 4-6 7-I 11-1b 17-21 22-27
2-33 34-4L 41-47 4P-55 GE 56 T0AL MEANIUEGREESI I I WINE
S ,7 4. '.7 2.4 3 1.9 6.4
NNE 1.' . .9 .3 3.3 5.7
NE I .'. .9 4. 3
ENE
L • i .1 Q.0
ESE
SE .1 .1 1.c
SSE .2 .1 .3 3.0
S .1 .1 5.0
SSW ,5 ,S 1.8
SW .8 .3 .1 3.1 31
WSW 3.' .5 .S 3.3
W 10.4 7.1 .8 I.3 3.3
WNW 7.1 3.' .6 11.3 3.2
NW 4.1 1.1 .4 6.0 3.0
NNW I 1 .8 .2 .1 4.8 5.0
VARIALE
CALM // // // // / ///////////////// // 33.5 II/
TOTALS 34.6 2C.F 7.8 2.8 .4 100.0 2.8
TCTAL NUMAER OF OBSERVATIONS: 03r
-
* GLOBAL CLIMAICLOGY EhANCH nE FCFNTA9E FRLOUFNCY OF OCCURRENCL
OF SUPFACE WIND DIRECTION VERSUS WIND SPEEDU-AFETAC FROM HOURLY
OBSERVATIONSAIk WEATHER SERWICEIMAC
STATION NUMBER: 47b420 STATI(N NOME: YOKOTA AR JAPAN PERIOD OF
RECORD: 79-8MONTH: JAN HOURSILSTI: 0900-1100
I WIND SPEED IN KNOTS
DIRECTION I 1-3 4-6 7-17 1I-lb 17-21 22-27 28-33 34-40 41-47
48-55 GE 56 TOTAL MEAN|1LEOWEE SI I t WIND
• .o°,. °..,.. ,, .,° °.old°,. °
........................................................................o
,°,, °,°,,o
N I 5.1 5. 4,u 4.4 1.1 20.0 7,6
NNE 2.P 3.1, 2.8 .4 9.1 5.5
NE 2.3 1.! .9 4.6 4.2
ENE 2.2 1.r .2 3.3 3.4
E 2.3 1.1 .1 3.4 3.1
ESE 1.9 . 2.5 2.7
SE 1.5 1.f .4 3.5 4.0
SSE 1 .4 1.2 2.T 3.1
2.3 1.' .4 4.1 3.5
SSW 1.1 . .4 .1 1.9 4.2
Sw I 1. .4 1 1.5 4 .4
WSW 1.9 , .6 2.2 4.6
W 2.4 ,' 3.2 2.6
WNW 2.? .. .1 2.6 2.8
NW I. .. 3 .4 .2 2.5 4 .6
NNW 1.5 1 c 1.4 1 .8 .2 6.9 7.6
.ARIABLE 1.2 1 .1.3 8.3
CALM ii iiijiijiiitjiiiiiiiiiiji II
I/III//jI//II///I/I////I/j///II.//i//VIV//I///V//// 24.6 Illl
TOTALS 31.9 21.0 13.9 7.3 1. 3 IOCD .0
T .. N. B.... OF....EA A...O.. ., ..030 . . . .... ... . .. ...
........ .. . .. .......... ..... .........
TOTAL NUMBER OF OeSERVAT IONS" e3,
-
SGLOBAL LLIMATOLOGY SrA,,LH vE 4 CF14ArE FQLCUrNCY cr OLCUPRENCE
OF SURFACE WIND DIRECTION VERSUS WINO. SPEEDUSAFE TAC FROM HOURLY
OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION ROMPER: 47642C STAT I't NAMF: YOKOT A AQ JAPAN PERIOD OF
RECORD: 79-FRMONTH: JAN HOURS(LSTI: 1200-1400
I .]NO SPEED IN KNOTSDIRECTION I 1-3 4-6 7-1r I1lb 17-21 22-27
ZP-33 34-4C 41l47 48-55 BE S6 TOTAL MEAN[DCEES) % WINO
N 2.2 3 . 4.0 4.P 2 . 4 7 13 .5 13.0
NNE I 2.6 2.4. 3.9 2.2 .3 11.3 7.6
NE 2 2.3 3 . 1.2 .2 7.S 5. 3
ENE I 1.7 2.1 .2 .1 4.5 4.0
3 3.4 3 .' .N 7.5 3 .9
FE 3 .8 .: .5 7.5 3 .7
SE I 3.2 3 . 1 .1 6.0 4 .2
SSE 2.5 T.!7 1.6 .2 .1 7.7 5.2
S 2 2.0 2 . t .9 .3 S .V 5.0
SS6. .6 . .3 1 .4 5 .2
I~ .V * . .0 2.9
WSi . .4 1 .? 6 .3
W 1 . . .6 1 .6 8 .9
WNW I . 1 1.5 V .2
Nw I 3 .1. 1.6 7.0
NNW 1 1.2 .'9 1.2 2.0C .4 5.7 9.5
VARIABLE I* 1.6 1.0 .1 2.9 10.4
CALM Ii~iiiijiJ/~////I//jI////f///I///I/I//IIiI//// 7.6 i//
TOTALS I 27.2 31-1 17.2 12.9 3.5 .3 E00.0 6.1
TCTAI NUMBER OF OBSERVATIONS: 433
-
- ,- ... . . -.I - I I .m_
GLGBAL CLIMATOLOGY ARNCH PErLLNTACE FRLOUrNCY CF OCCURRENCL OF
SuRFACE WIND DIRECTION VERSUS WIND SPEEDuSAFETAC FRO- HOURLY
UbSERVATIONS
Al WEATHER SERVICE/MAC
STATION NUMBER: 47t4: STATp(N NAME: vOKOTA Ae JAPAN PERIOD OF
RECORD: 79-88MONTH: JAN HOURS(LSTI: I500-1700
6 IND SPEED IN ANOTSDIRECTION I 1I- 4-6 7-1? 11-ub 17-21 22-27
28-33 34-40 41-47 48-55 GE 56 TOTAL MEAN(DEGREES) I % WIND
N 3.4 5.i 6.1 B.i 3.1 .2 26.0 9.9
NNE 2.7 4.! 3.0 2.7 .1 1!.0 7?C
E 1 .7 2.' 1.5 .2 5.9 5.8
ENE 1 .7 3.4 .2 3.3 3.5
I 3.2 2., . 5.5 3.2
E I 3.7 1.24 . .9 3.0
SE 2.3 3.' 1.2 7.0 4.4
SSE 2 2.7 4 . .4 .3 7 .4 4.7T
S 2.4 2.2 1.9 .3 6.8 5.4
SSW z .5 3.4
SW .3 .i .4 3.3
WSW .2 * .9 4 .4
6 ,. . ' .5 .5 .1 2.5 7.3
WNW .4 s 5 9.6
NW .3 .1 .1 .1 .6 4.8
NNW .2 1.' .5 .5 .3 2.6 8.8
VARIABLE 13.4 .2 1.6 8.8
CALM I/ /i/ I/ / 1 1/0I.4 ll
TOTALS I 25.9 28.9 17.7 13.1 3.7 .2 100.0 6.0
TOTAL NUMBER OF OBSERVATIONS; 3C
-
SGLOBAL CLIMAICLOLY bkANCLH tE'L(NYA&E iTLCUCNCY GEF
OCCUARFNCL UP SURFACF WIND DIRECTION VERSUS WINO SPEEDUSAFE TAC
PRO' HURLY OBSERVATIONSAIR .EATHEP SERVICL/MAC
SIATION NUM'JER: 47t42" STAT IN N iMF: YOKOTA AP JAPAN PERIOD OF
RECORD: 79-ASMONTH: JAN HOURSELST): 1RCO-2000
I *IND SPEED IN KNOTSDIRECTION I 1-3 4-6 7-AC I1-I6 17-,TI 22-27
9 -3 3 3 4-4C 41-47 49-Sb GE 56 TOTAL MEANIDELUkEESI % W IND
N E 5.2 1c. 1.A 5 .9 .q .2 33.0 7 .7
NNE I 1.1 2.~ 1.? .6 5.7 6.3
NE I 1. . .2.2 3 .7
E NE I 5 *.9 2.8
ESE I .9 .9 2.-3
SE I .4 * 1.6 3 .3
SSE I .8 *1.4 3 .2IS~~ I . 313 2.9
SSW .2 .. 3 2. 3
SW .2 .2 I.s
WSh W. 1. 2.5 3.0I
w 6 .5 6. 1 .6 13.2 3. 7
WNR w 4. 2.4 .2 6 .7 3 .3
Nw 2 2.7 .2 .13.8 3 .4
NNW 3.0C 2 .7 1.3 .4 7.0 4 .8
VARIABLE I.4 .4 8 .7
CALM ~ ////////////,//////////I////////II//j, ///~~// 16.9 /
ITOTALS I 30.C 27.5 15.1 7.1 .9 .2 1CC.3 4.4
TOTAL NUMBER OP OBSERVATIONS: C
-
UL, AL CLIMAIOLOUY BFACM PE-CFI7CE F LQUrNCy UF OCCI'RkENCL OF
SUFACr
WIND DIRECTION VERSUS W.IND SPEEDUSAFLTA C FRUM HGUkLY
OBSERVATIONS
AIR WEATHER SERVICL/MAC
SATIN 'VuMBER: 471,4,!) SIATIUN NFI'F: YOKOTA A" JAPAN PERIOD OF
RECOPD: 79-P8MONTH: JAN HOURS(LST,: 21L0-23C0
....... ,..................... ...............
........................ ................. ....................
.................
I WIND SPEEO IN KNOTS
DIPECTION 1 1-3 6-6 7-1- ll-l6 17-21 22-27 ZS-33 36-4c 41-47
48-55 bE 5b TOTAL MEAN
IbEGR EC S) % S WIND
S. . . 2 3 : ......
.................................................... .....
.....
NNL I 1.2 . 1." , .4 4 .3 5 .7
KL .1 .6 3.8
ELE NE .1 .2 3.5
E .1 .1 2.0
L
SE .2 • .3 3.3
SS[ .. .3 4.3
f .6 • .8 ).9
SSw i • .2 3.5
Sw .4 *. .6 2.6
WSW I.O 1o' .9 3.0 3.I
w 8.6 6. ,5 .. 15.3 3.5
WN w 6.3 2.. ,3 10.6 2.7
NW 4.5 1.,- .1 6.5 2.9
INW 3.! 2. .9 .2 ,I .1 7.1 4 .8
VAIACE I . .2 13.0
CALM 24.7I/jI/I/iI I/J//I/iI/II//II // Ii i///iI///I
iIII/////III/ 26.7 Hi//l
TOTALS 1 35.6 25.' 9.2 4.6 u I I]C.0 3.4
TOTAL NUMeEP OF OBSERVATIONS: 93C
-
SGLObAL CLIMAIOLDY BiANCH PErCFNTAGL FALCUENCY or OCCtiRRENCL OF
SURFACE WINE DI6ECIION VERSUS WIND SPEEQUUSAFETAC FROM HOURLY
QESERVATIONSAll; WEAIHLQ SERVICL/MAL
SIATION NUMBER: 4364.l STATIC. NAMF: YOKOTA AM JAPAN PERIOD OF
RECORD: 79-pb
MONTH: JAN HOURS(LSI: ALL
I ~wINO SPEED IN #(NOTSDIRECTION I 3-3 4-5 7-IC II-16 17-21
22-27 18-I3 34-42 41-q7 48-55 GE 56 TOTAL MEANIDECLELS) I I
WIND
N I . 6. .6 4.2 1.2 .1 22.1 7.6
NNE it 2,. i.e .9 .1 6.6 6.5
NE 1.1 1. .5 .1 2.9 4.8
ENE .8 .7 .1 .0 1.6 3.5
l I 1.! . 2.3 3.4
ESE i 3 , ,1 2.0 3.2
SE I 1.2 1.1 . 2.5 ".2
SSE 1c 1.2 .3 ,1 23 2.6 4.5
I .1 , .4 ,1 2.5 4.6
SSW .5 .: ,1 .2 .7 3.8
I .7 , 1 .,G .9 3.3
WSw 1.5 , ..2 ,1 2.4 3.6
W 6.C 4. .5 .2 ,0 1C.9 3.6
etW 4 .5 2.c .3 .0 .3 6.9 3.2
NW 2.6 1.1 .2 .1 .P 3.9 3.3
NNW 1.9 1.7 1.1 .8 .2 .0 5.6 6.2
RAJAlLE I .6 .2 .3 .9 9.6
CALM I/ ii ii/II//#///l//////// J/ Iij//
//i/////i/iI/I//////ij/j/I/I////i/ 22.8 /1ji1i
TOTALS I 31.7 24.' 12.3 6.7 1.5 1 100.0 4.1
TOTAL NUMBER OF OBSERVATIONS: 744?
-
* CLUSAL CLIMATOLOGY BQANCH PL'CFNTAGE FRTEQUENCY LF OCCURRENCE
OF SURFACE WIND DIRECTION VERSUS WIND SPEEDUSAFETAC FROM HOURLY
OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMEER: 7L42T TATI N, N Mf: YOKOTA AR JAPAN PERIOD OF
RECORD: 79-8
MONTH: FEB HOUPS(LST): OCCO-0200
WIND SPEED IN KNOTSDIPECIO I 1-3 4-6 7-1 1 l-IA 17-22 22-27
Z9-33 34-42 41-4? 4P-55 G 5b TOTAL MEAN(DERlEES) I I WIND
N I 7.1 A.' -. 2.1 24.9 5.7
NNE I 1 .k 1.1 ,I .1 3.5 6.0
NE ,6 * .2 . 1.1 4 .9
ONE t .7 ,R 2.1
C .7 .1 1.1 2.4
EC 3 . .7 3.0
SE .2.2 1.5
SSE .1 .1 1.0
S , .1 .2 .A 8 .1
SSW .2 • .4 2.3
S. ,.4 .S 1.2 5.7
wSW 2.3 .i .4 .1 3.9 3.1
1. 8.1 3., .4 12.2 3.2
WNW 6.P 2." .1 9.9 3.0
Nw 3.9 1 .' .5 E.4 3.9
NNW 5 . 1 3.- 1.2 .6 1 IC.1 4 .5
VARIABLE
CALM 22.7j/////////i///I/j///I//j/////////iii/i
j/i/////i///jiiiiii ii/#,'#///j/iii//i/// 22.7 IIIIII
IOTALS 38 .8 23.7 11.1 3.5 .? 100.0 3.4
TOIAL NUMBER OF OBSERVATIONS: -49
-
*LLbAL LLIMAIOLOGT bANCH PLECENTArC FTECUVNCY oF OCURRENCL OF
SURFACE WIND DIRECTION VERSUS WIND SPEEDuLAFETAC FkQM HuURLY
OBSERVAIIONS
AIR wEAThER SEEVICE/MAL
STATION NUMRL R: 47T42 STATI(N NAMF: YOKOTA AP JAPAN PERIOD OF
RECORD: 7.-e8MONTH: FEB HOURS(LSTI: 03GO-0500
I WIND SPEED IN KNOTS
DIRECIION I [-3 4-6 7-17 11-it 17-21 22-27 28-33 34-"C 41-47
46--b GE SB 10AL MEANILECREELS) I wIND
............................................................................................................................
45.8 6. .2 1.6 .1 1R.6 5.5
NNL 1.1 .- .9 .2 2.6 5.3
f.E .£ . .2 . 4 4.4
EN .1 . ,1 .7 V.A
L . .5 2.8
EOE ,2.4 2.3
SE
SSE .2 .2 .5 4.3
S .2 .2 .5 6.8
SSW ,I .1 ,1 .V 5.3
Sw .8 .2 .2 1.3 3.5
WSW 1.1 .~t .2 2.7 3.8
I 10.1 V,' .8 15.5 3.2
WNW I 9.c 3.7 .1 12.7 2.9
N. 2.9 1.1 .1 4 6 3.5
NNw 3.5 2.4 .6 1.1 7.5 5.0
VARIABLE .2 .2 9.5
TOTALS 35.9 22.1 .l 3.3 .1 100.0 2.9
TOTAL NUMBER OF OBSERVATIONS: KV9
-
* .LLBAL CLIMAYOLO,V B.CH. PLICE'4TA i,E FRLCUrNCY CF OCCURRENCL
OF SURFACE WIND DIRECTION VERSUS WIND SPEEDu'AFE.TAC FRUM IHOURLY
08P>ERVA71ONSAlk WEAIVER SERVICL/MAL
STATION NUMBER : 47642T STAT i N NA~r: YOKOTE1 AP JAPAN PERIOD
OF RECOPD: 79-06M ONTH: FEB HOURS(LS7I: 0600-0d0O
I 6IND SPEED IN KNOTSDIRECTION I 1-! 4-6 7-1' 11-it 17-21 22-27
16-33 34-4C; 41-41 46-55 SE 56 TOTAL MEANILEGRLESI % WIND
N I . 6. 2. ~.2 .1 .2 2c0.1 6.1
.4 .4 1.1 3 .4
EE Q 1 .1 2.0
t .. . .4 2. 3
E ',L 2 . .2 1 .0r
SE .2 .2 1 .5
SSL I I1 1 1.0
I . .. 2 3 .0
SSW 4 . .11 .2
sk F3 . 11.3 3 .6
WS 3 .7 1' .2 .1 .3 3 .2
f 9 .7 4 . .4 14.3 3.1
IN 7 .6 2. ~ .2 .19.9 3 .0NW 3 3.3 1 . 4.5 2.9
NNW 3.2 2.1 1.6 .9 7.9 5.1
VAkIAPLE I .1 .1 .2 13.0,
TOTALS I 37.2 19.. R.2 6.0 .1 .2 100.0 3.0
TETAL NUMBER OF OBSERVATIONS: P49
-
SGLURAL CLIMATTLO(.Y b645CM PErCCNTACL FRLOUrNiCY OF OCCURRENCL
OF soVFACr WINO DIRECTION VERSUS WIND SPEEDUSAFETAC FROM HOURLY
OBSERVATIONSAIR ETAIhiR SERVICE/MAC
STATION NUMBER: 476420 STATIJUN N F VOVOT A AP JAPAN PERIOD OF
RECOPD: 79-p5MONTH: FEB HOURSIESTI: 0900-1100
1 6IND SPEED IN KNOTSLIPECTION I 1-3 4-6 7-ic 11-16 17-21 12-2?7
28-33 34-40 4 1-4?7 48-Sb GE 56 TOTAL MEANICFO,/E[S) I WIND
N. 5 .3 7 . A 6.2 1 . .2 26 .3 7 .9
NE 2.9 4.b .3 11 . 10.5 6.0
NC I 27 2 . .4 5 5.3 4 .0
E .E I 1 .9 1 .' .5 . 3.9 4 .1
L 2. S I. 1 .2 3.8 3 .2
ESE 1 2.0 1., .4 3.4 3.6
SE I 1.3 1. .2 .3 3 .8
SSE 1 i.4. . .4 2.2 3 .4
I .0 1.2 .4 .2 3.8 4.1
SSh. I j. T t . 2.3 3.0
I .8 .1 11.3 3 .4
WSW11 . ~ . .2 1.9 4 .36 I 13 . 12.2 3.4
AW I 6 . , . 2.1 2 .9
Nw I .6 .7 .42.2 5.7
NNW I 1.6 1.s 21.1 2.0j .2 7.9 7.7
VArIAVEE I9 .1 1.1 9.2
CALM IIIiiI/jlj/ j///// ///j d/////////// /////// // II// 16.8
111111
TO0J1ALL I 32:.4 26. 1 14.6 10.1 1.6 .2 100.0 4 .8
TOTAL NUMBER OF OBSE RVAT IONS:. q44
-
SGLUHAL CLIMATOLCUY B'ANCH PE-C1:T"A(E F4LOUFNCY OF OCCURRENCL
QF SURFACe WIND DIRECTION VERSUS WIND SPEEDbSAFETAC F.ROP HuUkLY
CbSERVATIONS
AI, WEATHER SERAICL/MAC
STATION NUMBER: 4768 .0 STATI(.N NAME; YOKUTA AP JAPAN PERI (,D
OF RECORD. 79-eMONTH: FEB HOURSILSTI: 12CO-iNO0"" , W.. .. ... ..
.. ND'.. .. .. .. .. .. .'... . N.. .N...
......................................................
I~W IND SPELO IN KNOTSDIRECTION i-3 4-6 7-1' iI-Ib 17-21 22-27
,8-33 34-N0 4i-4? 8-55 GE 56 TOTAL MEAN(LEUiEES) I WIND
N .. 2. 8. 1.5 6.. 1.6 .t. 21.9 9.7
NNJL i . T." 3. 1 2 .2 .4 11.3 7 .7
NE 2.2 3 . 1. .8 6.2 5.8
ENI 1.9 2. .9 5.5 N .6
L 3.7 4. 1.1 9.3 N.2
EL I 2. 4. .6 7.5 N .2
SE 1.2 2.9 1.9 6.0 S.6
SSE 1.9 37* 1.4 7.2 8 .9
S 1.5 I I.E .7 .1 6.0 6.6
SSW. • .4 .6 1.2 S.6
I. .7 .1 .2 .12 4 .9
WSW I .1 .1 5 8.3
W .5 * .1 .4 1.1 6.2
WNW .4 , .5 3.0
NW .4 4 .4 .4 1 .4 7.7
PNL .9 ' .6 2.0 .9 .2 5.3 11.3
V1ARIABLE 2.3 s 7.3 8.7
CALM
.////6////////6///j/////j///j//I///6////////////////////////II////6/////////'/I
2.6 //ti
TOTALS 22.3 38... 2!.7 13.5 2.9 .6 Ic.O 6.7
TOTAL NUMBER OF OBSERVATIONS: P49
&
-
b LL "AL CLIMAIOLDGY &FANCH tE Ct NTA r.E F LQUENCY CF
OCC(j,4E,qCl OF SURFACE WI ,NU 0 1 k[.C ION VERSUS WIND SPF)uSAFE[T
AC FkG" HuURLV O SERVAI1ONS
A]1 WEAIHER SERVICE/MAL
S1AI0, ON NUMEER: 47c42C STATI(N NIPF: 44K01k AP
JAPAN PERIOD OF RECORD: 74-88MONTH : FES HOURS(LSTI:
1500-1720
WIND PEED It. KNOTS
DIRECTION I 1-3 4-6 7-1- 11-16 17-21 2Z-27 ,8-33 34-4C 41-47
48-55 GE 56 TOTAL MEANIUIbREES
)I % WIND
N I 2. A ! . F4 , 4 , 2 , .; 27.4 10.3
NNE I Z. 7 3.7 1 .8 .5 .1 11.7 7.7
Kk 2. 2.' 1. .5 7.5 5.3
.3L 1 2, * 3.8 4 .6
E2.2 . .1 .. A. 3.7
CS! 3.? I,". .4 .1 5,7 3.8
SL I . 2. , 2. 6c.7 5.1
SSL 2.4 4.7 2. .4 9.1 5 .4
S 1.3 2" 3.2 1.3 8.0 7.2
SSW .2 .f .2 .9 5.0
I * 1 .4 5 .3
WSW ,1 ,1 . .4 6.7
W. ,- . .1 1 1.6 7.5
WNW .2 ." .4 .2 1.2 7.6
NW g .2 • .4 1 .8 6.7
N. 1 1.2 1. 6 .4 .1 4.5 10.1
VARI'mbLE 1.5 .2 1.8 "8.4
CALM l/ I 111 ///I llil I il 4.7 /11
TOTALS 19.7 49. 1 7.C 15 .5 3.4 .6 10.0 7.L
O1AL NUMBE[R OF OeSERVATIONS: 049
-
aGEESBAL LLIMAIOLOLY 8iRV.CH PEnCFNTArE FTECIJENCY CF OCCUEVENCL
OF SURFACE WINO DIRECTION VERSUS WIND SPEEDISAFETAC FROM HUUkLY
OSAVATIONSATE WEATHER SERVICE/MAC
STATION NOMEER : 47L42C STAIS SiREf~: Y0KOTA AR~ JAPAN PERIOD OF
RECORD: 79-68MONTH : FEB HO URSILST): 1VCO-2G00
1 hIND SPEED IN KNOTSOIRECT]ON I 1-3 4-6 7 -1 1I-1lt 11-2 1 22
-Z7 zR-Si 34-4 Z 4 1-47 48-55 GE 56 TOTAL MEASILEOMILS1 % WIND
N I .~9 F. 12.1 6 .! .6 33 .3 V .0
NNE 2 2. 2 . 3.1 .8 8.1 6 .4
NL 1 1.5 1. .. 33 4 .2
EEL I . *c .11.5 4 .3
E 7 .!.8 2 .4
E5 I- .4 . .2 1 .9 4 .0
2E .21 13 .. 33 31
SSE 1 1.4 .9 .2 2 .6 3.6
2 2.C 2.2 1. 1 5.3 4 .3
SSW I .7 .4 .1 1.2 3.4
S. I 7 .1 1 3. 3
WO i 13 51.8 2 .8
A 2 2.9 2.17 .4 .2 5.R 4 .1
WNW 2 2.6 f .2 1 .1 4.0 3.9
NW I 2.4 11 .2 3.? 3 .3
NN. I I.Rq 2.1 1.5 1.6 u1 7.4 7.7
VARIAL
CALM f //////////////////Jj///I/I//I///II/j/I//// / 1. /1//
TOTALS x 7 .7 25 .. 20. 1 11 .0 1.1 110OC.O 5.1
TOTAL NUMBER OF OFSERVAIONSs A4T
-
G*OFBAL CLIMATOLOGY BR ANCH O&LPCEIJASE F 4LQUVNCY CF
OCCURRFNCR OF SURFACE WIND OIEkCTION VERSUS WIND SPEEDUSAFETAC FROM
HUURLY UBSERVATIONS
AIR WEAIHER SERVICL/MAC
STATION NUMBER: 4764 C STATIN NfME: YOKOTA AS JAPAN PEPIOD.OF
RECORD: 79-so
MONTH: FEE HOURS(LST): 21CO-2300
I .IND SPELO IN KNOTSDIRLCTION 1 2-3 4-6 7-17 11-16 17-21 22-21
8-33 34-40 41-47 48-55 GE 56 TOTAL MEANIDEbRE.S) I % WIND
N . 7? 48 32 . 2s.9 6.4
NNL I . 1.3 .4 6.1 6.1
I.E 1.6 .6 2.6 3.8
ENE .S ." .. *9 4*4
C .7 .7 2.0
ESE .1 .1 .. .4 5.C
SE. I .5 i. .6 2.2
SSE .7 .1 .8 2.9
S.2 .' .4 .1 1.1 6.2
SSW .4 . .5 3.8
56 I 6.4 .9 4.E
WSW 1, - .1 2.9 3.C
8 8.0 3.'. .6 .1 12.6 3.3
WNW 5.2 1.- 6.4 2.7
NW 3 . 3 •C 5 .1 4.8 3.3
NN6 4 .4 3.7 2.0 .9 11.0 5.i
VARIABLE I
TOTALS I 35.6 23.f 16.0 4.8 .2 10C.O 3.9
TOTAL NUMBER OF OBSERVATIONS: '49
-
MR GLOBAL CLiMATOLOGY R6ANCH PtrCCITAGE ETELCUENCY UP OCCUR,
-
GLOBAL CLIMATOLOGY BRANCH PC CFNTACC F8LVUrRCT OF OCCURAERCL OF
SURFACE WIND DIRECTION VERSUS WINO SPEEDUSAFETAC FROM HiURLY
OESERVATITNSAIR WEATHER SERVICL/MAC
STATION NUMEEP : 47t,420 STA8 I'N NAMC. TOKOT A AM JAPAN PERIOD
OF RECORD: 78-P7MONTH: MAR NOURS(LSTI: C000-0200
I WINO SPECO IN KNOTSDIRECTION I 1-3 4-6 7-lT 11-lb 17-21 22-27
28-3 3 34-4D 41-47 48-55 BE 56 TOTAL MEAN(DEGREES) I WINO
4 8.2 1r., %9q 2 .3 1.7 28.3 5.9
NNCE 1., 1.7 1.2 .2 '4.1 5.6
NE I .6 * .3 .1 1 .6 4 .7
ENE I 1 . 1. 3 2 .4
E .1 . 11.3 3 .6
EhE 1 . .211.1 3 .0
! . . .5 2.8
SSE I .8 .8 2.1
S .2 .' .1 .3 1 .0 8 .1
SSW I 2.3 6.7
SW I .4 .1 .5 2.6
8W 1 1.7 F8 2.5 2 .8
W I 6.8 4.1 . .2 11 .4 3 .5
WNW8 4 4. 2. . 1 6.1 3.1I
Nw 2 2.9 1. .5 c .3 3.6
RN. I 5. 4. 2.2 1.0 .1 .1 13.2 5.4
VARIACLE I
CALM I// t/dI ///jj///I/jI/III //I/ IjI /III/IiII/III. /I 21.0 i
I
TOTALS I 34 .4 28.. 11. 1 4 .1 11 . 1 100.0 3 .8
TOTAL NUMBER OF OBSERVATIONS: 927
-
SLUBAL LLIMATOL31ST BANCH PCECCTAGE FQLCUENCY Z)F OCCURNCE~ OF
SURFACE WIND OIkEClION VERSUS WIND SPEEDu AFETAC FROM HUUALY
OESERVATIONSAIR EAIHER SERRICE/MAC
STATION NUMBER: 47b42' STAT11N NAMi: YOKOI A AR. JAPAN PERIOD OF
RECORD. 76-e?MONTh:. MAR HOURSELS11: O300-0500
I WIND SPELL' IN KNOTS,DISECTION 1-3 4-E 7-1- 1 1-1 t 17-21
22-27 :8-33 34-4C0 4 1-47 48-S5 GE 56 TOTAL MEAN:1-ELREECSI %
WIND
N I b.1 11., 1.9 2.2 1.1 26.3 6.3
NINE 1 A.5 1.- .6 .6 .1 4 .1 6 .3
NL I .5 .1 1 .2 7 .2
ENE I .9 * .1 1 .2 3.0
E .2 .1.9 4 .0
ELSE .4 .4 2.0
SE I .1 .6 2.7
sst .2 .1.3 2 .7
S .1 .2 .1 .4 56.3
SSW .4 *.6 2.5
SW .8 2 .6
WSW 3-.3 4~. .. 0 3.1
W I 7.73 S. ~ 3 .1 12 .9 3 .5WNW I 5.1 I.q .1 7.1 3.C
N. I 2.0 A .3 3.0 3.6
NNW 4 .? 2. 4 2.5 .6 . 9.8 5.5
VARIABLE
CALM I 26.2 ilI
TOTALS I 33 .4 24 . 13.1 3 .6 1.6 .1 100 .0 3.6
................................................................................................................................
TOTAL NUMBER OF OBSERVATIONS: 927
-
ULbAL CLIMATOLOGY BPANCH rE',CrFTAfE FRLOUFNCY GF OCCUPRFCL OF
SURFACE WIND DIkECTION VERSUS WIND SPEEDUT-AFETAC FROM HOUWLY
ObS.ERVATIONS
AI WEATHER SERVICE/MAL
STATION NuMFER: 7t44C SIAT1'N NAMC: YOKOTA AM JAPAN PERIOD OF
RECORD: 78-87MONTH: MAR HOURSILSTI: C600-0800
I WIND SPEED IN KNOTS
DIRECTION I 1-3 4-6 7-2' 1I-Ic 17-22 22-27 .4-32 34-4L 41-47
48-55 GE 56 TOTAL MEANIOEGEFSI x I WIND
N 6.0 12 . 5.1 4. 2 1." .2 27.8 6.9
N, I 2.7 . 1.0 .1 4,7 4,5
NE 1.1 .' .2 .1 1.9 4.2
ENL .9 1. 2.6
E b. ," .6 2.8
C. I .2 * .3 2.7
IL °5 .5 2 .4
SSE ,3 .. .5 3.0
S ..1 .5 1.2 8.2
SSW .6 ..8 2 .6
S. j,7 .2 t.T 2.3
WW .6 ,' .1 2.6 3.0
7 .,4 4., .2 .1 12.3 3.3
WNw 5.I I- f1 1.7 2.9
Nw 2.3 2.2 .3 .1 4.9 3.9
NNW I .83 1.1 2.7 1.1 .4 9.0 6.7
..................................................................................................................................................,
VARIABLE I
CALM I////j/jj,//////jjj///// ////j/////j//I./ //jI If 23.0
Ii/
TOTALS I 34.6 24.f 9.7 6.3 1.6 .2 10C.0 3.9I
TCIAL NUMBER OF OPSERVATIONS: t27
-
B SLbAL LLIMATOLOUY BiA.CH OL'MENTAr, FALQU'NCY CF OCUPSFNCL OF
SUPFACF WIND DlIkLTION VERSUS WINO SPECiLAFETAC FPm HtULY OFSER,
VATIONSA7 .EATH I SERVICL/PAC
STATION NUMEP : 476 42 SATN NAME: YOKOTA A' JAPAN PEO OF PECJRO:
76-F7
MONTH: MAR HOURSTLST): 0900-1100
.IND SPECP IN KNOTSDIRECTION I 1-T 4-6 7-l' II-i , 17-21 22-27 -
-33 34-. 41-47 48-55 G 5 b TOTAL MEAN(DE,.ELSI I % WIND
N I 2.7 7! 1.9 7.1 1? .. 26.0 8.9
NNC I . 3., 7.7 1.6 .7 .11.7 6.9
NL I ." 2 , .6 .3 1.2 5.5
INL 2.2 3 4, ,.9 4. 2
L 3." 2.' , 6.7 3.7
E2L 7 2.7 .4 .1 5.9 q.1
SL 2.- I. .6 4.4 4.I
SSL 2 .6 1.- 1.? .1 .1 5.2 5.0
S 1.7 1., 1.1 .8 .2 .3 6.5
SS. .9 1 . °1 1.6 4.I
5 W .2 .2 2.5
WSW .2 .2 1 .
W ,. .1 .1 .6 b.C
WI.w .9 1 1. 2."
NW . . .1 .2 .1 5.B
NN, F . 1 3 20 2. 3 1.1 .3 F.8 9.9
ABLE7
CALM I /i iiiiiiiiiiii Jj/i/III/I/III/ il/I//I/i f /I/Il/I/fI/I
//I//III/I//III l//II/lIII / 9.4. 1111/I
TOTAL' 26. 28. 1 16.6 12.9 3." .9 IoC.0 6.1
TCTAL NUMBER OF OBSEkVATIONS: '37
-
G LUBAL CLIMATOL3 Y OF A .CH rcC,.OCTAC FECLUrNCy Or OCCURKENCL
OF SU9FACF WIND DIRECTIc VERSUS WIND SPEED mUSAFLTAC FROM HAUkLY
OBSLVATIONSAIR WEATHER SERVICE/MAL
STATION NUMPER: 47L422 STATliN NP15: YUKOTA AR JAPAN PERIOD OF
RECORD: 78-87MONTH: MAP HOURSILST): 12LO-1400
I WIND SPEEP IT. KNOTSDIRECTION I 1-3 4-6 7-1 11-1t 17-21 22-27
.8-33 34-4C 41-47 48-S5 GE 56 TOTAL MEANILEGEESI I % WIND
...... N............... ......
.................................................................................................
N I 42 7.8 4 .9 2. 8 * .1 21 .8 10.7
NNE I .2 2. 2.8 2.5 ,S 1 .7 8 .4
NE 2.7 3.' 1.9 .5 7.7 5.7
ENL .R 2. 1. 4.6 5.1
I I.t
3.4 1.4 . 3 5.0
ESE 1.9 3 . I , .2 6.2 4.8
SE I .7 4. 3 .4 .4 9.6 6.0
SE .9 32 3.8 1 .5 .1 9.5 7.4
S 1 18 3 . 1 2.2 1 .6 .4 .1 9.2 7.3
SSW • 3 ..2 1 .0 4 .8
SW .3 , .1 .8 4.0
WSW .2 ,3 .3 .1 1.3 8.7
w •1 .2 11.0
WN6 .2 2 ,4 2.8
Nw 3 1 .3 3 .2 1.6 11.8
NN. .3 .' ,5 1.2 1.7 .3 4.6 14.2
VASIABLE ! , , 2.0 .6 ,1 3.2 8.7
CALM
2.2II/IiI//j/j/I//II//I//I/I//I///III/j/Ij//IIII/IiI/#IjI///I 2.2
I/lll
TOTALS 1 15.3 37.2 2 .6 14.2 6." 1.5 .1 ICC O 7.7
1
TOTAL NUMBER OF OBSERVATIONS: ; 3:7
-
GLUEIAL LLIMATOLOY BkANLH PIrC{NTArE F3ICUrNCY Or OCCUPfkECL OF
SURFACF WIND D1AFCTION VERSUS WIND SPEEDU'AFETAC FROM HuUkLY
06SLRVATIONSAIk WEATHER SERVICEIMAL
STATION NUMFES: 47L,4r STAYIAN NtM[: YOKOTA AP JAPA% PERIOD OF
RECORD: 76-FTMONTH: MAR HOURS(LSTI: ISODiO70C
ONO SPEED IN NUTSDIRECTION 1-3 4-6 7-1 1 11 - L, 17-21 22-27
28-33 34-4' 41-47 48-5S GE 5b TOTAL MEANIE69EESI I I WIND
.. . ...,.. . .... , ° o . . .... ........... ... ... , ..
,..... .. ..... .. j................ ... , ... . ,.... ... .. . ..
. .. . .
N I.F 5.1 6.8 7.S 2.. I." .1 24.8 1I.G
-NE .5 4. 4.2 2.3 .S .I .1 11.7 8.8
NL 1.0 1., 1.! .8 .1 E.1 6.7
0ENE .5 1 .4 .2 2 .4 5.5
1 1.5 2. 1.0 .1 ".6 5.1
ESE 1.3 1.- 2.7 .2 6.8 6.C
SL 1 .4 !.! 3.7 .6 8.8 6.5
SS1 I 1. 3 . 4.9 2 .2 1 11.2 8.2
S I 1.2 3 . 3.2 3 .C 1 1 1 C .6 6 .Z
SSw E. * .6 .4 2.5 6.6
SW .4 .' .1 .1 1.0 5.1
1WW * . .9 4.8
w ,- .' .1 .2 .1 1.2 8.7
WNw .2 . .1 .1 1.0 S.C
N. . .1 .4 .9 9.3
NNw .3 .,5 1.2 .4 .4 3.? 12.0
VASIABLE I .1 .4 .3 .1 Z.? 12.5
CALF M mlililillm 1//.,// 3.8/I I/II
/III/jI/I////////////////////////////// 7.8 i/1i
TOTALS I 11.9 28., 29.7 19.8 4.4 1.7 .2 10.0 8.2
TOTAL NuMBER OF OBSERVATIONS: 03.
-
U GLGbAL CL1MATOLO 0 BkANCH PECF:dTAusE FRECUFNCT OF OCCURRENCL
OF SURFACE WIND DIRECTION VERSUS WIND SPEEDULSAFETAC FRUs HuURLY
ObSERVATIONSAIk EATHER SERVICE MA,
STATION NUMPER: 47Lt2n STATI'N NAVE: YOKOTA AR JAPAN PERIOD OF
RECORD: 78-P7
MONTH: MAR HOURSILSTI: 1800-2C00
I WIND SPEED IN KNOTS
DIRECTION I 1-3 4-6 7-I 11-1 17-21 22-:7 2P-33 34-4C 41-47 48-55
GE 5b TOTAL MEAN(GERLLSI % S WIND
N 3.7 9., F.9 7.8 2.2 .2 32.3 8.8
NNE 2.2 1. .6 .4 .1 7 .2 6 .5
NL 1.3 1. , 2.8 4.0
ET, E I .E *, .1 1.5 '4.3
L1.2 1.> .2 .1 3.0 '4.6
Et ~ . .9 .2 2 .4 5.8SE .8 2.. 24. 5.5 5.9
SSt 1 .9 3. 1.9 .2 7.1 S.
s I .' 2 7 2.2 .8 7.0 6 .1
SSW .5 1 .5 2.7 5 .1
Sb .5 1 1.2 3.7
WSW I.e .? . l..4 3.4
6 1.6 1.. .1 .1 .1 3.3 4.5
WNW 1.7 1.- .2 2.5 '4.0
NW 1 1 I .1.1 .3 .1 .5 6 .5
NNW 1 .2 1 . 1.8 1.3 .3 1 6 .0 8 .3
..°o° °,.,. . . . . ... ,.o........,.. . .. . . . .. . . . . ..
. . . .......,o ,...... •. , o .. ........ .. . .,., .. .... o 1.8,
, e .VARIAGLE I .1 .3 .4 12 .8
CALM 10.2/////i/I//I//////i//iII////i/d/iII//I/I
i///I/I/III/IIIIII/I//I/I/#Ii iI//IIII 10.2 111/1
TOTALS I 20.5 31. 23.1 11.6 2 . .4 100.0 6.1
TLTAL NUMBER OF OBSERVATIONS: 32
-
GLOBAL CLIMATOLOGY BUANCH PEPCENTAGE F4ECLUJNCY LF OCCURRFNEL OF
SURFACE WIND DIRECTION VERSUS WIND SPEEL
UTAFETAC FROM HOURLY OSSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 4"u42C STATIfN NPME: YOKOTA AP jAPAN PERIOC OF
RECORD: 78-E7MONTH: MAP HOURS(LSID: 21C0-230C
I wIND SPEED It. KNOTSDIRECTION I 1-3 4-6 7-1 Al-Ib 17-21 22-27
28-33 3-4D 41-47 48-55 GE SB TOTAL MEANICE.RE SI I I
WIND.............................................................................................................;...............
N 5.1 I0 IT 6.5 3 3.4 7.5
iNE .1 2. I. .2 5.3 5 .9
Nl ,I . 1. .1 .1 2.0 4 .5
ENE .6 C .1 1.3 3.6
I .6 ..2 1.7 .1
E 4 ,' 1.3 4.3
SE i°e 1 .8 ".0
SSE , , .4 1.8 4 .8
S I I,1 . .5 .1 .1 2.2 5.5
SSw .4 1 ,. .6 3.0
Sw .5 1 .6 3.2
WSW I.! , 1 1.9 3.2
4 .9 2,. .2 6.0 3.2
WNW 3 .5 2 .2 .1 6.0 3.3
NW 1 .9 I .1 ".0 3.8
NNW 4. 3 4.! 2.5 1.3 ,1 12.3 5.8
VAPIABLE .1 6.0
CALM Il, li/Il jill/Il / 1//Il/ill I/jill j//j//j/I/j//i/
i//I//i jill/I I//f/Il i/15.6 /I//-
TOTALS I 28.8 29.' 17.0 R .8 .9 ,1 1C0.0 4.8
TOTAL NUMBER OF OBSERVATIONS: 932
-
, * GLOBAL CLIMATOLOLY 8RA.,CH PLRCENTAGE FRLOUFNCY OF
OCCURRENCL OF SUPEACE WIND DIRECTION VERSUS WIND SPEEDUSAFLTAC FtOM
HUUkLY OPSERVAT1ONS
AIR WEATHER SERVICE/MAC
STATION NUMEER: 476 4 2 STATIN NAML: YOKOTA AR JAPAN PERIOD OF
RECOPD: 78-87
MONTH: MAR nOURSILST): ALL
WIND SPEED IN KNOTSCIRECTION I 1-3 4-6 7-1-, 11-1 17-21 22-27
8-33 34-4C 41-4? 48-S5 GE 56 TOTAL MEAN(DEG&[LSI I wIND
N I 4 .H %7 7.7 5.3 1.7 .3 .3 27.b 8.1
N1 I s. 2. 2.2 1.0 .2 .1 .0 7.3 7.0
T'L 1 .2 1.' .7 .3 .0 3.6 5 .3
ENE .9 1. . .C 2.3 4.2
L 1.2 17 ,V .0 .3 3.1 4s.4
EE I1.c 1.:, .T .1 2.8 V.8
sL I.2 1.' 1.3 .1 6.7 5.6
SSE I .2 1.0 1.5 .5 .r 6.5 6.5
s 1.0 1." 1.2 . .1 .c .6 7.3
SS. .5 .2 .1 1.3 0.8
s6 .t .2 .0 .s .9 3.2
WSw 1.2 ..1 .1 .0 1.8 3.6
3.6 2.' .2 .1 .1 .0 f.2 3.7
wNw 2.5 1. 2 . .0 3.9 3.2
N1 1.. .3 .2 .1 .C 3., 5.c
NNw 2.5 2.1 1.8 1.2 .5 .2 L-0 7.5
VA.IA4LE ..1 . ,0 .2 ,I ,7 9.6
CALM I
IPi/I/i/i///i/ii///I/Ii/tI///VI/////I#////tI//////fI/t#I/I//I/i
tI/t#///II//I////I///I 13.9 il/lll
TTALAS I 25.7 28.0 IP.5 10.1 2.7 .6 .0 1OC.O 5.5
TOTAL NUMBER OF OPSERVTIONS: 7431
-
S GLOB AL CLIMATOLOGY SKANCH PE 0 CLiTTA7L FQLCUtENCT LF
OCCURRENCL CF SURFACF WIND DIRECTION VERSUS WIND SPEEDUSAFLTAC
F..P- HLUkLY OBSERVATIONS
A1 WEATHER SERAICEJMAL
STATION NUMPER: 4764:0 STA T N N'ME: YKOTA AP JAPAN PERIOD GF
RECORD: 78-B?MONTH: APR HOURSILSTI: DCDO-C20C
I WTND SPEED IN KNOTS
DIRECTION I 1-3 4-6 1- 1 11-iL 17-21 22-27 8-3 34-AU 41-A7 48-55
E St. TOTAL MEANIDEGREES) I I WIND
N I 64 V, 6.1 2.7 24.3 5.9
NNL .9 1. .9 .3 .1 4.0 6.2
NE ie 1. 3.6
ET E .6 .. .2 1.7 4.2
1 .9 * 1. 2 2.c
E I .3 , .7 3.7
SE I ,. ,' .2 1.7 3.2
SSE 1. I .9 f6 3.4 5.9
S .9 1," 1.7 .4 o.O 6 .8
SSW .4 .4 .4 .2 . .7 7 .3
-w ,3 .2 ,1 ,7 5.7
0SW ,8 ." ,1 1.3 3.6
W I ,. 2 . .6 6.8 3.4
WNw 4.' 1.? .1 5.3 3.1
Nw 2 .8 F 7.7 2.7
NN I 4.3 ?.4 .9 .6 8.0 4.5
VAkIABLE I .3 .3 9.3
CALM // 27.6 1/1/I
TOTALS I 31.3 23.4 12.6 4.9 .2 13C.O 3.6
TOTAL NUMBER OF OBSERVATIONS: CD7
-
m ULCAL CLIMATOLOGY BAk.NCH 'L C[;.TACE FOLQUNCy OF OCCURkENCE
OF SuVFACF WIND DIkECTION VERSUS WIND SPE(CU AFETAC FOUM HUURLV
OFSLRVATIONS
All, EATHER SERVVCL/MAL
SIATION NUMSER: .764 2 STAT IN N5Mr: YOKOTA AR JAPAN PERIOC OF
RECORD: 78-e7MONTH: APR HOUPS(LSTI: O3DO-OSGO
I wINO SPEED IN KNOTS
DIRECTION I I-I 4-6 7-1- 11-1 17-21 Z2-27 9-33 34-40 41-47 48-55
GE 56 TOTAL MEAN1LGkDtESI % WIND
N 6. 3 19. 4.A 1. 6 2 . 5 .4
NNL .7 , ..3 .6 .1 2.6 6.8
N.E I , .2 .2 1.3 5.C
EIe I . . .1 .3 1.3 6.0
I .1 . 1.3 3.1
ESL .3 - 6 2.6
SE .2 .4 1 .1 5.9
SSE .6 , .4 .3 1 .9 6.9
S . V4 .9 .3 2.2 7.5
SSW .4 2 .4 .2 1 .3 7.C
SW .6 .' .2 1.2 4.3
WSW 1.°2 .1 1.6 2.9
W 5.1 4.' .. 9.9 3.5
WNw 4 .6 2. .3 6,Q 3.2
?,w 3.2 I 4 .2 2.6
NNw 3.4 1.4 1.3 .4 6.7 p
VARIAVLEI
CALM j /////// //// //// 33.1 I///-
TOTALS 1 29.' 23. ;.8 4 .0 .1 IC O.0 3.I
TOTAL NUMbEP OF OBSERVATIONS: 9OC
-
&S (BAL LLIMATOLD0V BRANCH PEC .F;TArE FTECUNCY CF
DLCURRENCL OF SURFACE wIND DIRECTION VERSUS WIND SPEEDUSAFLTAC FROM
HUURLY OBSERVATIONS
AIR WEATHER SERVICLIMAC
STATION NUMBER: 4?42C STATI N NAPE: YOKOTA AR JAPAN PERIOD DF
RECORD: 7e-67MONTH: APR HOURS(LSTI: 0600-000
WIND SPEED IN KNOTS
DIRECTION I 1-3 4-6 7-1- 11-lb 17-21 22-21 I 3-33 34-4U 41-47
48-55 GE 56 TOTAL MEANIDEkLLSI I WINO
N .. 6.4 9 6.3 3.. .. 25.8 6.4
NNE ,P 1. 1.2 .3 4.4 5.4
Nk 1.1 .' .1 .1 2.1 3.7
E NE .6 , .2 1.6 4 .9
.4 .' .1 1.0 3.8
ESE 1.4 .1 2.0 2.9
SE 1j.4 .1 .1 2.0 3.6
SSE- .9 , 5 .3 2.4 5.2
S .9 * .7 .9 3.2 7.2
SSW .6 .3 .4 1.3 7.3
Sw .6 1 .4 1 . 4 4.5
WdSW I .2 .~2.3 2 .9
I 3.9 3,. .2 .1 7.6 3.6
WNW 3.7 , .. 3 2.4
NW I .4 .4 ,1 .3 2.3 4.5
NNW 2 .2 2.2 1.6 .3 f .3 5.3
VARIABLE I
CALM / / //////// //// // / / / / 3C,.4 I/1
TOTALS I 08.6 21. 12.3 6.0 . 100.0 3.6
TOTAL NUMBER OF OBSERVATIONS: tOtr
-
GLOBAL CLIMATOLOGY B.ANCH rErC[;TAlr FALCUNCY Or OCCURRNCL UF
SURFACF WIND DIRECTION vERSUS WIND SPEED
USAFETAC FRUM HCURLY OBSERVATIONSAIN WEATHER SERVICE/MAL
STATION NUMPEP: 47t4 2f STATIfN NMi: YOWOTA AP JAPAN PERIOD OF
RECORD: 76-87MONTH: APR HOURSILSTI: 0900-1100
I WIND SPEED IN KNUTS
DIRECTIONI I -3 4-6 7-1- 11-lb 17-21 22-27 .8-33 34-4r 41-47
48-55 GE 56 IOTAL MEAN
(DEGREES) I % WIND
N 2.7 bz .2 .a 1.i 19." 8.4
NNE 2.6 4.5 1.7 1.b . 1c.2 6.3
NL 2.3 3.1 1 .4 .4 7.7 5.3
ENE 2.2 2.1 .8 S.D 4.1
F 3.3 2.'t .8 6.6 3.7
ES I 2.3 2.r .2 4.6 3.7
SE 3.3 4. 1.7) .1 E.4 4.4
SSE 3. 4.1 2.1 1.4 .1 10.8 6.3
S 2.0 2.' 2.1 1.9 .3 8.7 7.5
SS. I,. .G .1 .6 .1 2.7 6.5
SW .2 ,7 *1 .6 6.4
WSW 1 .2 3.0
6 ,2 . 3 3,.0
wNw .2 .2 3.0
N .2 .7 .3 .9 8.c
NNW .8 .3 1.0 1. 2 .1 3.4 9.1
VARIABLE 1.7 .2 1.9 7.9
CALM .4 t/////i ,/,/I//II il/I/I
j///////I////I/II///////#///I////////////// ////II/// 8.4 ////
TOTALS 26.6 31.7 19." 11.9 1.8 .2 10D.0 5.8
TOTAL NUMBER OF OBSERVATIONS: PCD
-
* SL(BAL CLIMATOLOGY 894608 PEICFNTALL FTLCUENCT OF OCCURRENCE0
OF TUCFACE WIND DIETION VERSUS WINO SPEEL'LSAFLTIAL FROM 800664
OBSERVATIONSAIR 6EATHER SERVICE/MAC
STATION NUMRCRP; 476,420 STAT 1 N N lMr: ThRKll A AR JAPAN
PERIO00 Or RECORD: 78-E?MONTHi: APR NOURSILSYI: 1220-2400
I WIND SPEL[Y IN. KNOTS
DIRECTION 1-37 4-6 7-fl 1122b 17-21 22-2 7 28-3 3 34-40 4 1-47
48-Sb BE Sb TOTAL MEAN(DELRLESI % t WINRO
N I .3 . 4. 2 4 .7 .7 .7 17 .6 lo.D
NNE Z . . Z.4 2 .4 .7 .1 e.6 8 .4
NE 1 i.2 3 . 1.4 5 .7 5 .5
ENE6 .13 1. 1.3 .1 4.1 5.9
I .7 2 . 2.3 5.9 4 .9
ESE I 1.2 3-. 1.1 .1 6.0 4.9
SE .6 . 3.7 .1 9.4 6.0
SSE I 2.2 4. 5. 4 4 .1 .6 .4 1C5.9 9 .2
.7 2.2 S.2 4.9 1.6 .2 25.2 20.5
I .2 .2 .9 .9 .4 .3 3.2 12.0
Sw I . .1 .8 4 .3
ASsi I1 .1 7.0
6. I .4 .6 7.0
WNW .4 * *1.7 3. 7
Nw I 7 .4 2.8
NNW .7 * 1f .3 2.9 6.8
............................................................................................................................................VARIAbLE
1 !.3 12.2 4 .2 9 .4
CALMK ///I/////II///////III/i/iJ/i~//////Ii/II//// 2.7 i~/
TOTALS 1.2.0 30.2 31.6 17 .9 7.9 1 .6 200.0 7 .9
............................................................................................................................................
TOTAL NUMBER OF OBSERVATIONS: 900
-
GLBAI LL1MVTOLO(.T BRANCH PECCE:.TArE F3tCUENCT LF OCCUJRRENCE
OF SURFACE WIND DIRECTION VERSUS WINO SPEEDuSAVETAC F RG" HOURLY
OPSERVATIONSVIk WEATHER SERVICE/MAL
STATION NUME'ER : 47642C STAT I(N NAME: TOKOT A VP JAPANV PERIOD
Or RECORD: 78-87MONTH: APR HOURSILSI: 1500-1700
I WIND SPEED IN KNOTSDIPECTION I 1-3 4-6 7 -1-, 11-it 17-21
22-2,7 28-33 34-4, 41-47 4A-55 GE 5 6 TOTAL MEANE6REESI % WINO
N I 1.2 2.' 4.1 3 .8 1.8 .3 14.0 10.3
NKV 1 1.2 2. 1.4 1 .1 .6 6.6 7 .9
NC E .4 1. 1.4 3.1 6.C
ONE I .4 1' 21 2.4 4 .5
L. .6 2.'7 1.7 4 .6 S.V
ESE I 11 1. 4 2.1 .2 4 .8 5.9
SE I .6 3.! 3.3 .7 7.7 6.8
SSE .9 4 3 ;.i 6 .6 .3 2C.9 9.3
I .2 2. E.0 9 .6 1.6 .2 21.9 11.1
SSW I 3 . .4 1 .0 .9 2.9 12 .2
Sb I .1 . .1 .2 .9 6 .8
WSW I 1 .2 .3 11.-3
W 2 . .3 8 .7
WNW I . 1 .2 10. 0
Nw I .4 .. . 1.9 4 .9
NNW I .1 .' .8 .7 .3 2.8 9.6
VARIABLE I . 1.9 1 .0 .13.1 10.6
TOTALS 7 l.8 23.7 34.9 25 .2 5.7 .6 100.0 8 .8
TOTAL NUJMBER OF OBSERVATIONS: 9OC
-
CLUSAL L1MAIOLOIJY BRANCH PErCENTAGE FRLOUCNCT Cr OCCURkENCE OF
SURFACE WINO DlICTION VERSUS WIND SPEEDCSAFET LA FROM HuU.LY
O8SERVAYINSAl. *LATHER SERR1CL./RAL
STATION NUMPER : 476'42C STAT 1(N NAVE: ROXOTA AP JAP01N PERIOD
OF RECORD: 78-87MONTH:- APR IIOLRSILSTI: 56C;0-2030
...............................................................................................................................I
WIND SPELT IN KNOTS
DIRECTION 1 1-3 '4-6 7-1' 11 16b 17-21 22-2?7 29-3S 34-R, 41-47
48-55 GE 56 TOTAL MEANIDCUNRESI f t WIND
...............................................................................................................................N
I 2.4 6. 4. 3 .9 1.2 .2 18.8 8.2
NJNE I 1. r 2. 1.3 .3 .1 4 .8 6.1
NE I .7 1. .3 2.2 ~4.3E %E I .6 1.r .3 .3 2 .2 6.2
L 6 . .4 3.2 S.0
E2 IS 1 ." 2. .6 .1 4 .4 '4.9
SC 1.2 2. 2.1 .3 5.9 5.9
sst I 1.8 S.f 6.3 2.6 .1 16.3 7.4
2 I .2 5.1I 9.8 3 .6 .6 .2 21 .4 8 .3
SSW .7 1.- 1.0 .4 .2 3.3 7.4
I .6. .2 .7 6 .5
WSW .2 .2 2 .5
W.4 .' .4 1 1.6 5 .9
WN6 I . .' . .1.6 7 .2
NA .4 1 ' 21.2 '4.4
NNT. .7 1. .8 .8 .1 3.9 1 .8
...............................................................................................................................
VRIABLE I* .2 .2 .6 10.0
CALM 6 i///iti III/III'/I/////iIi/j/Ij/////I//I//,,j .7
iltIlt
TOTALS 14 .Q*3 33. 28.4 12 .8 2.2 .6 100.0 6.6
...............................................................................................................................
TOTAL NUMBER Or OBSERVATIONS.* 001
-
GLBAL CLIMATOLOtY b4ANCH -ELCF14TAZE FIEAUTNCY QF OCCURRENCE CF
SURFACE WIND DIRECTION VERSUS WINC SPEE.,
USAFETAC FROM HOURLY ObSERVATIONS
AIR WEATHER SERVICLIMAC
STA1ION NUMEER: 476422 STATIfN NPM: YOKOTA AR JAPAN PERIOD OF
RECORD: 78-87MONTH: APR HOURSILS3): 2100-2300
..
.............................................oo........................................
. ................. ................IwIND SPEED IN KNOTS
DIREC7ION I 1-3 4-6 7-1- 11-it 17-21 22-27 28-33 34-4C 41-47
48-55 GE 56 TOTAL MEANIEEGkEES) % WIND
°... ..... .... .... .... °.......•..... ..... ....... o.......
................. ..... ..... . ° . .°.
.......................°.°..... ....
N 4 . 5. 6.1 2.6 .4 18.8 6.8
NNF 1.8 2.2 1.8 1 .2 .2 7 .0 6.9
f.E .4 1.1 .6 2.1 5.1
ENE .8 1.: .7 .1 2.6 5.6
C j.7 1.1 2.8 3.2
ESE 1.C 1.2 2.2 3.3
SL 1.2 ..' .4 3.6 4.3
SSE 2.7 3.: 1.6 .3 7.6 5.1