WFO Monthly/Daily Climate Data
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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CXGM50 PGUM 120030
CF6GUM
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: GUAM INTERNATIONAL AIRPORT
MONTH: JULY
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 88 76 82 -1 0 17 0.03 M M 5.8 15 260 M M 4 24 280
2 88 77 83 0 0 18 0.00 M M 5.1 12 160 M M 2 M M
3 88 78 83 0 0 18 0.14 M M 5.8 13 140 M M 3 M M
4 88 80 84 1 0 19 0.01 M M 7.0 12 100 M M 3 21 130
5 89 79 84 1 0 19 T M M 4.5 10 140 M M 2 M M
6 86 78 82 -1 0 17 0.10 M M 3.0 9 190 M M 3 M M
7 85 76 81 -2 0 16 1.66 M M 4.5 13 190 M M 6 17 340
8 88 76 82 -1 0 17 0.01 M M 8.2 17 150 M M 2 25 150
9 83 75 79 -4 0 14 1.83 M M 5.6 15 150 M M 6 24 140
10 87 77 82 -1 0 17 0.53 M M 2.7 12 140 M M 3 20 130
11 87 79 83 0 0 18 0.09 M M 7.3 16 110 M M 3 31 100
================================================================================
SM 957 851 0 190 4.40 M 59.5 M 37
================================================================================
AV 87.0 77.4 5.4 FASTST M M 3 MAX(MPH)
MISC ----> 17 150 31 100
================================================================================
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: JULY
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: 4.40 1 = FOG OR MIST
DPTR FM NORMAL: -0.8 DPTR FM NORMAL: 0.84 2 = FOG REDUCING VISIBILITY
HIGHEST: 89 ON 5 GRTST 24HR 1.83 ON 9- 9 TO 1/4 MILE OR LESS
LOWEST: 75 ON 9 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: 9
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 5
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 3
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 2
[HDD (BASE 65) ]
TOTAL THIS MO. 0 CLEAR (SCALE 0-3) 7
DPTR FM NORMAL 0 PTCLDY (SCALE 4-7) 4
TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 0
DPTR FM NORMAL 0
[CDD (BASE 65) ]
TOTAL THIS MO. 190
DPTR FM NORMAL -8 [PRESSURE DATA]
TOTAL FM JAN 1 3263 HIGHEST SLP 29.87 ON 1
DPTR FM NORMAL 1 LOWEST SLP 29.78 ON 1
[REMARKS]