947
CDGM40 PGUM 240628
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
428 PM CHST SUN AUG 24 2025
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 24 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 87 9:05 AM 92 1984 87 0 89
MINIMUM 76 3:30 PM 72 1992 76 0 77
1993
1997
AVERAGE 82 82 0 83
PRECIPITATION (IN)
TODAY 0.64 4.40 1967 0.56 0.08 0.00
MONTH TO DATE 11.23 13.66 -2.43 10.70
SINCE JUN 1 37.72 32.42 5.30 26.21
SINCE JAN 1 53.45 52.63 0.82 43.08
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 410 408 2 417
SINCE JUN 1 1444 1502 -58 1494
SINCE JAN 1 4008 4014 -6 3975
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION E (70)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 6.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 7:00 AM
LOWEST 75 9:00 AM
AVERAGE 85
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 92 1969
1983
MINIMUM TEMPERATURE (F) 76 72 1954
1986
SUNRISE AND SUNSET
AUGUST 24 2025........SUNRISE 6:09 AM CHST SUNSET 6:37 PM CHST
AUGUST 25 2025........SUNRISE 6:09 AM CHST SUNSET 6:37 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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