825
CDGM40 PGUM 291624
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
224 AM CHST WED SEP 30 2026
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 29 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 1:58 PM 91 1971 87 0 85
1988
1992
MINIMUM 75 5:36 AM 71 1985 76 -1 76
AVERAGE 81 82 -1 81
PRECIPITATION (IN)
YESTERDAY 0.07 2.92 1962 0.48 -0.41 0.13
MONTH TO DATE 15.99 14.70 1.29 12.13
SINCE SEP 1 15.99 14.70 1.29 12.13
SINCE JAN 1 108.02 71.33 36.69 67.41
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 16
MONTH TO DATE 494 493 1 473
SINCE SEP 1 494 493 1 473
SINCE JAN 1 4488 4621 -133 4602
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (300)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 3.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 6:00 AM
LOWEST 75 5:00 PM
AVERAGE 86
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 93 1981
MINIMUM TEMPERATURE (F) 76 72 1949
2019
SUNRISE AND SUNSET
SEPTEMBER 30 2026.....SUNRISE 6:10 AM CHST SUNSET 6:12 PM CHST
OCTOBER 1 2026.......SUNRISE 6:10 AM CHST SUNSET 6:11 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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