513
CDGM40 PGUM 311610
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
210 AM CHST TUE SEP 01 2026
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 31 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 87 11:23 AM 92 1965 87 0 87
1969
1994
MINIMUM 76 6:13 AM 70 1949 76 0 77
AVERAGE 82 82 0 82
PRECIPITATION (IN)
YESTERDAY T 4.33 2005 0.56 -0.56 0.02
MONTH TO DATE 13.96 17.66 -3.70 13.06
SINCE JUN 1 40.30 36.42 3.88 39.55
SINCE JAN 1 92.03 56.63 35.40 55.28
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 17
MONTH TO DATE 535 522 13 531
SINCE JUN 1 1602 1616 -14 1565
SINCE JAN 1 3994 4128 -134 4129
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (300)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 7.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 6:00 AM
LOWEST 75 10:00 AM
AVERAGE 86
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 93 1987
MINIMUM TEMPERATURE (F) 76 73 1957
2010
SUNRISE AND SUNSET
SEPTEMBER 1 2026.....SUNRISE 6:09 AM CHST SUNSET 6:32 PM CHST
SEPTEMBER 2 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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