Climatological Report (Monthly)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
461
CXGM50 PGUM 010926
CLMGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
726 PM CHST SAT FEB 01 2025
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...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1945 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 94 01/09/1989
LOW 66 01/18/2000
HIGHEST 88 01/14 87 01/05
01/30 01/13
01/14
LOWEST 73 01/19 72 01/24
01/22
AVG. MAXIMUM 85.8 85.9 -0.1 84.9
AVG. MINIMUM 76.5 75.4 1.1 75.2
MEAN 81.1
DAYS MAX >= 90 0 0.2 -0.2 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 18.09 1976 (TY KATHY 9.52")
MINIMUM 0.89 2018
TOTALS 5.35 5.34 0.01 2.38
DAILY AVG. 0.17 0.17 -0.00 0.08
DAYS >= .01 17 20.1 -3.1 23
DAYS >= .10 9 11.0 -2.0 8
DAYS >= .50 2 2.7 -0.7 1
DAYS >= 1.00 1 1.1 -0.1 0
DAYS >= 3.00 1
GREATEST
24 HR. TOTAL 3.32 01/07 TO 01/07 0.52
SNOWFALL (INCHES)
TOTALS 0.0
SINCE 7/1 0.0
GREATEST
SNOW DEPTH 0
DEGREE DAYS
COOLING TOTAL 507 485 22 477
SINCE 1/1 507 485 22 477
FREEZE DATES
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WIND (MPH)
AVERAGE WIND SPEED 11.1
RESULTANT WIND SPEED/DIRECTION 11/080
HIGHEST WIND SPEED/DIRECTION 32/070 DATE 01/31
HIGHEST GUST SPEED/DIRECTION 41/050 DATE 01/30
41/070 01/31
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.34
NUMBER OF DAYS FAIR 13
NUMBER OF DAYS PC 17
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 77
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 HEAVY RAIN 4
RAIN 5 LIGHT RAIN 24
FOG 0 HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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