303
CDGM40 PGUM 120626
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
426 PM CHST TUE AUG 12 2025
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 12 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 86 2:06 PM 91 1985 87 -1 89
1988
MINIMUM 77 5:02 AM 71 1947 77 0 77
AVERAGE 82 82 0 83
PRECIPITATION (IN)
TODAY 0.03 4.53 1974 0.60 -0.57 0.00
MONTH TO DATE 5.76 6.69 -0.93 6.17
SINCE JUN 1 32.25 25.45 6.80 21.68
SINCE JAN 1 47.98 45.66 2.32 38.55
DEGREE DAYS
HEATING
TODAY 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
TODAY 17 17 0 18
MONTH TO DATE 208 204 4 207
SINCE JUN 1 1242 1298 -56 1284
SINCE JAN 1 3806 3810 -4 3765
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SE (120)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 5.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 12:00 AM
LOWEST 68 2:00 PM
AVERAGE 79
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 92 1970
2018
MINIMUM TEMPERATURE (F) 77 70 1967
SUNRISE AND SUNSET
AUGUST 12 2025........SUNRISE 6:08 AM CHST SUNSET 6:44 PM CHST
AUGUST 13 2025........SUNRISE 6:08 AM CHST SUNSET 6:43 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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