858
CDGM40 PGUM 170638
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
438 PM CHST SAT OCT 17 2026
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 17 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 84 11:22 AM 92 1986 87 -3 88
MINIMUM 79 2:30 AM 70 1966 77 2 78
AVERAGE 82 82 0 83
PRECIPITATION (IN)
TODAY 0.34 3.83 2015 0.41 -0.07 0.16
MONTH TO DATE 15.09 7.57 7.52 9.89
SINCE SEP 1 31.77 22.74 9.03 22.23
SINCE JAN 1 123.80 79.37 44.43 77.51
DEGREE DAYS
HEATING
TODAY 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
TODAY 17 17 0 18
MONTH TO DATE 267 289 -22 275
SINCE SEP 1 778 791 -13 764
SINCE JAN 1 4772 4919 -147 4893
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION N (0)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 11.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 3:00 PM
LOWEST 82 12:00 PM
AVERAGE 90
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 92 1989
MINIMUM TEMPERATURE (F) 77 73 1967
1969
1995
SUNRISE AND SUNSET
OCTOBER 17 2026.......SUNRISE 6:12 AM CHST SUNSET 6:01 PM CHST
OCTOBER 18 2026.......SUNRISE 6:12 AM CHST SUNSET 6:00 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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