WFO Monthly/Daily Climate Data
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
516
CXGM50 PGUM 310030
CF6GUM
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: GUAM INTERNATIONAL AIRPORT
MONTH: JANUARY
YEAR: 2025
LATITUDE: 13 29 N
LONGITUDE: 144-48 E
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
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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
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1 87 76 82 1 0 17 0.06 0.0 0 10.0 18 60 M M 3 25 100
2 86 77 82 1 0 17 0.03 0.0 0 11.7 17 70 M M 3 24 70
3 85 76 81 0 0 16 0.30 0.0 0 9.2 20 80 M M 6 29 90
4 85 77 81 0 0 16 0.10 0.0 0 8.0 15 90 M M 3 19 90
5 84 76 80 -1 0 15 0.56 0.0 0 10.8 21 70 M M 3 26 80
6 86 76 81 0 0 16 0.10 0.0 0 13.8 26 110 M M 4 18 35 70
7 81 74 78 -3 0 13 3.32 0.0 0 9.2 23 90 M M 7 18 37 130
8 85 77 81 0 0 16 T 0.0 0 10.6 20 70 M M 2 26 70
9 86 76 81 0 0 16 0.20 0.0 0 9.9 20 90 M M 4 25 90
10 86 78 82 1 0 17 T 0.0 0 10.4 17 110 M M 4 25 110
11 86 76 81 0 0 16 0.00 0.0 0 12.7 22 70 M M 2 30 80
12 86 78 82 1 0 17 T 0.0 0 13.5 22 80 M M 3 31 90
13 87 76 82 1 0 17 0.04 0.0 0 11.3 23 80 M M 4 29 80
14 88 78 83 2 0 18 0.00 0.0 0 15.0 23 60 M M 1 36 50
15 85 79 82 1 0 17 T 0.0 0 14.9 29 70 M M 4 39 60
16 86 79 83 2 0 18 T 0.0 0 13.0 23 80 M M 3 32 100
17 84 77 81 0 0 16 0.15 0.0 0 9.1 17 60 M M 2 24 130
18 85 77 81 1 0 16 T 0.0 0 8.9 17 90 M M 2 26 90
19 86 73 80 0 0 15 0.00 0.0 0 10.5 20 70 M M 2 25 80
20 86 78 82 2 0 17 T 0.0 0 11.1 18 70 M M 4 26 80
21 86 77 82 2 0 17 0.01 0.0 0 9.4 17 90 M M 4 25 100
22 87 73 80 0 0 15 0.00 0.0 0 11.7 22 50 M M 2 28 50
23 86 77 82 2 0 17 0.01 0.0 0 13.5 23 70 M M 3 31 70
24 86 77 82 2 0 17 0.00 0.0 0 M M M M M M M M
25 86 76 81 1 0 16 0.02 0.0 0 9.3 17 80 M M 2 24 100
26 87 76 82 2 0 17 T 0.0 0 4.9 12 140 M M 5 16 120
27 86 76 81 1 0 16 0.06 0.0 0 4.1 14 70 M M 7 18 90
28 86 77 82 2 0 17 0.20 0.0 0 12.1 21 60 M M 5 30 80
29 86 75 81 1 0 16 0.06 0.0 0 13.2 21 50 M M 4 28 70
30 88 75 82 2 0 17 0.13 0.0 0 13.3 31 60 M M 3 41 50
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SM 2574 2293 0 491 5.35 0.0 315.1 M 101
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AV 85.8 76.4 10.9 FASTST M M 3 MAX(MPH)
MISC ----> 31 60 41 50
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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: JANUARY
YEAR: 2025
LATITUDE: 13 29 N
LONGITUDE: 144-48 E
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 81.1 TOTAL FOR MONTH: 5.35 1 = FOG OR MIST
DPTR FM NORMAL: 0.6 DPTR FM NORMAL: 0.17 2 = FOG REDUCING VISIBILITY
HIGHEST: 88 ON 30,14 GRTST 24HR 3.32 ON 7- 7 TO 1/4 MILE OR LESS
LOWEST: 73 ON 22,19 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: 0.0 INCH 5 = HAIL
GRTST 24HR 0.0 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: 0 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: 17
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 9
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 2
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 0 CLEAR (SCALE 0-3) 12
DPTR FM NORMAL 0 PTCLDY (SCALE 4-7) 17
TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 1
DPTR FM NORMAL 0
[CDD (BASE 65) ]
TOTAL THIS MO. 491
DPTR FM NORMAL 19 [PRESSURE DATA]
TOTAL FM JAN 1 491 HIGHEST SLP 29.92 ON 1
DPTR FM NORMAL 19 LOWEST SLP 29.80 ON 1
[REMARKS]