915
CDGM40 PGUM 160638
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
438 PM CHST SAT AUG 16 2025
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 16 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 88 11:54 AM 91 1966 87 1 87
MINIMUM 78 1:54 AM 70 1949 77 1 75
AVERAGE 83 82 1 81
PRECIPITATION (IN)
TODAY T 4.25 2018 0.61 -0.61 0.71
MONTH TO DATE 6.64 9.12 -2.48 7.69
SINCE JUN 1 33.13 27.88 5.25 23.20
SINCE JAN 1 48.86 48.09 0.77 40.07
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 18 17 1 16
MONTH TO DATE 279 272 7 277
SINCE JUN 1 1313 1366 -53 1354
SINCE JAN 1 3877 3878 -1 3835
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 3.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 5:00 AM
LOWEST 70 11:00 AM
AVERAGE 82
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 91 1964
1966
1969
MINIMUM TEMPERATURE (F) 77 73 1979
1990
SUNRISE AND SUNSET
AUGUST 16 2025........SUNRISE 6:08 AM CHST SUNSET 6:42 PM CHST
AUGUST 17 2025........SUNRISE 6:08 AM CHST SUNSET 6:41 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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