554
CDGM40 PGUM 251626
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
226 AM CHST TUE AUG 26 2025
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 25 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 88 2:56 PM 92 1969 87 1 87
1983
MINIMUM 77 5:38 AM 72 1954 76 1 77
1986
AVERAGE 83 82 1 82
PRECIPITATION (IN)
YESTERDAY 0.11 3.69 1961 0.58 -0.47 0.85
MONTH TO DATE 11.42 14.24 -2.82 11.55
SINCE JUN 1 37.91 33.00 4.91 27.06
SINCE JAN 1 53.64 53.21 0.43 43.93
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 18 17 1 17
MONTH TO DATE 428 425 3 434
SINCE JUN 1 1462 1519 -57 1511
SINCE JAN 1 4026 4031 -5 3992
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NE (60)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 5.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 2:00 AM
LOWEST 68 3:00 PM
AVERAGE 83
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THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 92 1987
MINIMUM TEMPERATURE (F) 76 71 1986
SUNRISE AND SUNSET
AUGUST 26 2025........SUNRISE 6:09 AM CHST SUNSET 6:36 PM CHST
AUGUST 27 2025........SUNRISE 6:09 AM CHST SUNSET 6:35 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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