WFO Monthly/Daily Climate Data
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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CXGM50 PGUM 200030
CF6GUM
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: GUAM INTERNATIONAL AIRPORT
MONTH: AUGUST
YEAR: 2025
LATITUDE: 13 29 N
LONGITUDE: 144-48 E
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
================================================================================
1 2 3 4 5 6A 6B 7 8 9 10 11 12 13 14 15 16 17 18
12Z AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR
================================================================================
1 85 76 81 -1 0 16 1.05 M M 5.8 12 330 M M 5 19 30
2 87 76 82 0 0 17 0.87 M M 4.9 12 100 M M 5 17 170
3 86 79 83 1 0 18 T M M 7.9 14 160 M M 3 22 150
4 88 77 83 1 0 18 0.01 M M 6.3 14 100 M M 2 20 90
5 82 76 79 -3 0 14 0.59 M M 5.3 12 40 M M 5 17 70
6 90 78 84 2 0 19 0.23 M M 5.1 12 170 M M 4 M M
7 87 76 82 0 0 17 1.58 M M 3.0 21 70 M M 4 13 27 200
8 87 78 83 1 0 18 T M M 5.1 12 100 M M 2 M M
9 88 78 83 1 0 18 0.02 M M 7.4 14 40 M M 1 M M
10 88 78 83 1 0 18 0.01 M M 6.8 10 90 M M 2 M M
11 89 76 83 1 0 18 1.37 M M 6.7 15 40 M M 4 25 90
12 88 77 83 1 0 18 0.03 M M 5.2 12 110 M M 3 16 110
13 88 77 83 1 0 18 0.12 M M 5.0 9 120 M M 2 M M
14 88 76 82 0 0 17 0.76 M M 6.1 16 330 M M 3 23 120
15 88 76 82 0 0 17 T M M 3.6 9 350 M M 2 M M
16 88 77 83 1 0 18 0.03 M M 4.0 14 280 M M 2 M M
17 89 77 83 1 0 18 0.29 M M 10.0 18 80 M M 3 27 60
18 90 77 84 2 0 19 0.41 M M 11.7 20 70 M M 3 36 80
19 87 74 81 -1 0 16 1.24 M M 8.8 18 140 M M 3 33 140
================================================================================
SM 1663 1459 0 332 8.61 M 118.7 M 58
================================================================================
AV 87.5 76.8 6.2 FASTST M M 3 MAX(MPH)
MISC ----> 21 70 36 80
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: GUAM INTERNATIONAL AIRPORT
MONTH: AUGUST
YEAR: 2025
LATITUDE: 13 29 N
LONGITUDE: 144-48 E
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 82.2 TOTAL FOR MONTH: 8.61 1 = FOG OR MIST
DPTR FM NORMAL: 0.2 DPTR FM NORMAL: -2.27 2 = FOG REDUCING VISIBILITY
HIGHEST: 90 ON 18, 6 GRTST 24HR 1.58 ON 7- 7 TO 1/4 MILE OR LESS
LOWEST: 74 ON 19 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: M 5 = HAIL
GRTST 24HR M ON M 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: M ON M 7 = DUSTSTORM OR SANDSTORM:
VSBY 1/2 MILE OR LESS
8 = SMOKE OR HAZE
[NO. OF DAYS WITH] [WEATHER - DAYS WITH] 9 = BLOWING SNOW
X = TORNADO
MAX 32 OR BELOW: 0 0.01 INCH OR MORE: 16
MAX 90 OR ABOVE: 2 0.10 INCH OR MORE: 11
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 7
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 4
[HDD (BASE 65) ]
TOTAL THIS MO. 0 CLEAR (SCALE 0-3) 11
DPTR FM NORMAL 0 PTCLDY (SCALE 4-7) 8
TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 0
DPTR FM NORMAL 0
[CDD (BASE 65) ]
TOTAL THIS MO. 332
DPTR FM NORMAL 9 [PRESSURE DATA]
TOTAL FM JAN 1 3930 HIGHEST SLP 29.91 ON 1
DPTR FM NORMAL 1 LOWEST SLP 29.79 ON 1
[REMARKS]