863
CDGM40 PGUM 180649
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
449 PM CHST SAT APR 18 2026
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR APRIL 18 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 86 12:28 PM 91 2013 88 -2 88
2020
MINIMUM 77 6:21 AM 65 1968 77 0 78
1987
1990
AVERAGE 82 83 -1 83
PRECIPITATION (IN)
TODAY 0.01 3.34 1981 0.12 -0.11 0.04
MONTH TO DATE 13.77 1.95 11.82 1.34
SINCE MAR 1 28.67 4.72 23.95 4.42
SINCE JAN 1 42.44 14.21 28.23 12.68
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 17 18 -1 18
MONTH TO DATE 300 311 -11 308
SINCE MAR 1 743 815 -72 817
SINCE JAN 1 1655 1734 -79 1777
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 10.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 6:00 AM
LOWEST 70 2:00 PM
AVERAGE 81
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 90 2012
2013
MINIMUM TEMPERATURE (F) 77 66 1968
SUNRISE AND SUNSET
APRIL 18 2026.........SUNRISE 6:06 AM CHST SUNSET 6:34 PM CHST
APRIL 19 2026.........SUNRISE 6:06 AM CHST SUNSET 6:34 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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