Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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668
CDGM40 PGUM 061603
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
203 AM CHST SUN DEC 07 2025
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 6 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 85 11:12 AM 90 2018 87 -2 87
MINIMUM 78 12:02 AM 64 1976 77 1 77
AVERAGE 82 82 0 82
PRECIPITATION (IN)
YESTERDAY 0.05 2.77 1962 0.20 -0.15 0.52
MONTH TO DATE 1.21 1.22 -0.01 1.68
SINCE DEC 1 1.21 1.22 -0.01 1.68
SINCE JAN 1 90.76 94.04 -3.28 97.33
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 17 17 0 17
MONTH TO DATE 101 102 -1 102
SINCE DEC 1 101 102 -1 102
SINCE JAN 1 5752 5786 -34 5738
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION E (100)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 7.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 12:00 PM
LOWEST 72 4:00 PM
AVERAGE 82
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 90 2012
2018
MINIMUM TEMPERATURE (F) 77 67 1958
SUNRISE AND SUNSET
DECEMBER 7 2025......SUNRISE 6:31 AM CHST SUNSET 5:53 PM CHST
DECEMBER 8 2025......SUNRISE 6:32 AM CHST SUNSET 5:53 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$