675
CDGM40 PGUM 291603
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
203 AM CHST SUN AUG 30 2026
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 29 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 86 3:45 PM 92 1988 87 -1 89
1994
MINIMUM 74 9:11 AM 72 1953 76 -2 79
AVERAGE 80 82 -2 84
PRECIPITATION (IN)
YESTERDAY 1.46 5.91 1997 0.58 0.88 0.11
MONTH TO DATE 12.64 16.53 -3.89 12.42
SINCE JUN 1 38.98 35.29 3.69 38.91
SINCE JAN 1 90.71 55.50 35.21 54.64
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 15 17 -2 19
MONTH TO DATE 501 493 8 500
SINCE JUN 1 1568 1587 -19 1534
SINCE JAN 1 3960 4099 -139 4098
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WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION NW (300)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 10.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 9:00 AM
LOWEST 77 2:00 PM
AVERAGE 87
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THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 94 1994
MINIMUM TEMPERATURE (F) 76 71 1949
1989
SUNRISE AND SUNSET
AUGUST 30 2026........SUNRISE 6:09 AM CHST SUNSET 6:34 PM CHST
AUGUST 31 2026........SUNRISE 6:09 AM CHST SUNSET 6:33 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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