932
CDGM40 PGUM 231621
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
221 AM CHST WED SEP 24 2025
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 23 2025...
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)
YESTERDAY
MAXIMUM 85 12:19 PM 90 2017 87 -2 83
MINIMUM 76 7:33 AM 67 1982 76 0 73
AVERAGE 81 82 -1 78
PRECIPITATION (IN)
YESTERDAY 0.44 3.97 2021 0.50 -0.06 1.80
MONTH TO DATE 10.16 11.79 -1.63 24.14
SINCE SEP 1 10.16 11.79 -1.63 24.14
SINCE JAN 1 65.44 68.42 -2.98 71.36
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 16 17 -1 13
MONTH TO DATE 376 391 -15 389
SINCE SEP 1 376 391 -15 389
SINCE JAN 1 4505 4519 -14 4487
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (100)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 4.7
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 94 9:00 AM
LOWEST 77 1:00 PM
AVERAGE 86
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THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 90 1995
MINIMUM TEMPERATURE (F) 76 70 1970
SUNRISE AND SUNSET
SEPTEMBER 24 2025.....SUNRISE 6:10 AM CHST SUNSET 6:16 PM CHST
SEPTEMBER 25 2025.....SUNRISE 6:10 AM CHST SUNSET 6:15 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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