845
CDGM40 PGUM 111611
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
211 AM CHST FRI SEP 12 2025
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 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 88 12:35 PM 93 2016 87 1 84
MINIMUM 76 11:57 PM 68 1983 76 0 75
1984
1985
AVERAGE 82 82 0 80
PRECIPITATION (IN)
YESTERDAY 0.50 6.01 2024 0.51 -0.01 6.01
MONTH TO DATE 5.71 5.85 -0.14 9.36
SINCE SEP 1 5.71 5.85 -0.14 9.36
SINCE JAN 1 60.99 62.48 -1.49 56.58
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 17 17 0 15
MONTH TO DATE 184 187 -3 190
SINCE SEP 1 184 187 -3 190
SINCE JAN 1 4313 4315 -2 4288
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 6.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 11:00 PM
LOWEST 70 3:00 PM
AVERAGE 82
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THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 91 2013
MINIMUM TEMPERATURE (F) 76 67 1984
SUNRISE AND SUNSET
SEPTEMBER 12 2025.....SUNRISE 6:10 AM CHST SUNSET 6:24 PM CHST
SEPTEMBER 13 2025.....SUNRISE 6:10 AM CHST SUNSET 6:24 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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