645
CDGM40 PGUM 121621
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
221 AM CHST TUE OCT 13 2026
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 12 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 86 MM 92 1969 87 -1 89
MINIMUM 76 MM 73 2005 77 -1 78
AVERAGE 81 82 -1 84
PRECIPITATION (IN)
YESTERDAY T 5.52 1963 0.43 -0.43 T
MONTH TO DATE 14.24 5.49 8.75 2.65
SINCE SEP 1 30.92 20.66 10.26 14.99
SINCE JAN 1 122.95 77.29 45.66 70.27
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 19
MONTH TO DATE 188 204 -16 196
SINCE SEP 1 699 706 -7 685
SINCE JAN 1 4693 4834 -141 4814
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 4.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 3:00 AM
LOWEST 75 2:00 PM
AVERAGE 86
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 91 1971
1984
1990
MINIMUM TEMPERATURE (F) 77 74 2017
2019
2022
SUNRISE AND SUNSET
OCTOBER 13 2026.......SUNRISE 6:11 AM CHST SUNSET 6:03 PM CHST
OCTOBER 14 2026.......SUNRISE 6:11 AM CHST SUNSET 6:02 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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