904
CDGM40 PGUM 301608
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
208 AM CHST MON AUG 31 2026
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 30 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 12:21 PM 94 1994 87 1 83
MINIMUM 76 6:43 PM 71 1949 76 0 74
1989
AVERAGE 82 82 0 79
PRECIPITATION (IN)
YESTERDAY 1.32 3.14 2002 0.57 0.75 0.62
MONTH TO DATE 13.96 17.10 -3.14 13.04
SINCE JUN 1 40.30 35.86 4.44 39.53
SINCE JAN 1 92.03 56.07 35.96 55.26
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 14
MONTH TO DATE 518 510 8 514
SINCE JUN 1 1585 1604 -19 1548
SINCE JAN 1 3977 4116 -139 4112
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION NW (320)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 10.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 7:00 PM
LOWEST 75 3:00 PM
AVERAGE 85
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 92 1965
1969
1994
MINIMUM TEMPERATURE (F) 76 70 1949
SUNRISE AND SUNSET
AUGUST 31 2026........SUNRISE 6:09 AM CHST SUNSET 6:33 PM CHST
SEPTEMBER 1 2026.....SUNRISE 6:09 AM CHST SUNSET 6:32 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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