Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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CDGM40 PGUM 071602
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
202 AM CHST MON DEC 08 2025
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 7 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 87 1:53 PM 90 2012 87 0 87
2018
MINIMUM 78 10:19 PM 67 1958 77 1 79
AVERAGE 83 82 1 83
PRECIPITATION (IN)
YESTERDAY T 2.40 1962 0.19 -0.19 0.07
MONTH TO DATE 1.21 1.41 -0.20 1.75
SINCE DEC 1 1.21 1.41 -0.20 1.75
SINCE JAN 1 90.76 94.23 -3.47 97.40
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 18 17 1 18
MONTH TO DATE 119 119 0 120
SINCE DEC 1 119 119 0 120
SINCE JAN 1 5770 5803 -33 5756
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION E (70)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 9.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 3:00 AM
LOWEST 61 2:00 PM
AVERAGE 75
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 90 2018
MINIMUM TEMPERATURE (F) 77 61 1980
SUNRISE AND SUNSET
DECEMBER 8 2025......SUNRISE 6:32 AM CHST SUNSET 5:53 PM CHST
DECEMBER 9 2025......SUNRISE 6:32 AM CHST SUNSET 5:54 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$