842
CDGM40 PGUM 161601
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
201 AM CHST MON AUG 17 2026
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 16 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1945 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 88 12:42 PM 91 1966 87 1 88
MINIMUM 76 7:44 PM 70 1949 77 -1 77
AVERAGE 82 82 0 83
PRECIPITATION (IN)
YESTERDAY 0.41 4.25 2018 0.61 -0.20 0.03
MONTH TO DATE 6.31 9.12 -2.81 6.67
SINCE JUN 1 32.65 27.88 4.77 33.16
SINCE JAN 1 84.38 48.09 36.29 48.89
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 17 17 0 18
MONTH TO DATE 279 272 7 278
SINCE JUN 1 1346 1366 -20 1312
SINCE JAN 1 3738 3878 -140 3876
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 10.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 1:00 AM
LOWEST 70 2:00 PM
AVERAGE 82
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THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 91 1964
1966
1969
MINIMUM TEMPERATURE (F) 77 73 1979
1990
SUNRISE AND SUNSET
AUGUST 17 2026........SUNRISE 6:08 AM CHST SUNSET 6:41 PM CHST
AUGUST 18 2026........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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