870
CDGM40 PGUM 241621
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
221 AM CHST FRI SEP 25 2026
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 24 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 87 11:11 AM 91 1977 87 0 88
MINIMUM 77 11:43 PM 71 1945 76 1 75
AVERAGE 82 82 0 82
PRECIPITATION (IN)
YESTERDAY 0.40 2.88 1993 0.49 -0.09 0.66
MONTH TO DATE 15.06 12.28 2.78 10.82
SINCE SEP 1 15.06 12.28 2.78 10.82
SINCE JAN 1 107.09 68.91 38.18 66.10
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 17
MONTH TO DATE 412 408 4 392
SINCE SEP 1 412 408 4 392
SINCE JAN 1 4406 4536 -130 4521
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 3.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 5:00 PM
LOWEST 77 9:00 AM
AVERAGE 87
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THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 91 1995
2013
2017
MINIMUM TEMPERATURE (F) 76 71 1993
SUNRISE AND SUNSET
SEPTEMBER 25 2026.....SUNRISE 6:10 AM CHST SUNSET 6:15 PM CHST
SEPTEMBER 26 2026.....SUNRISE 6:10 AM CHST SUNSET 6:14 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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