Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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CDGM40 PGUM 011654
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
254 AM CHST TUE DEC 02 2025
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 1 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1945 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 86 1:14 PM 90 2014 87 -1 87
MINIMUM 74 7:50 PM 65 1979 77 -3 76
AVERAGE 80 82 -2 82
PRECIPITATION (IN)
YESTERDAY 0.67 2.66 2021 0.21 0.46 0.03
MONTH TO DATE 0.67 0.21 0.46 0.03
SINCE DEC 1 0.67 0.21 0.46 0.03
SINCE JAN 1 90.22 93.03 -2.81 95.68
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 15 17 -2 17
MONTH TO DATE 15 17 -2 17
SINCE DEC 1 15 17 -2 17
SINCE JAN 1 5666 5701 -35 5653
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION E (110)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 10.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 12:00 AM
LOWEST 74 2:00 PM
AVERAGE 84
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 90 2010
2015
2018
MINIMUM TEMPERATURE (F) 77 65 1979
SUNRISE AND SUNSET
DECEMBER 2 2025......SUNRISE 6:28 AM CHST SUNSET 5:52 PM CHST
DECEMBER 3 2025......SUNRISE 6:29 AM CHST SUNSET 5:52 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$