207
CDGM40 PGUM 200636
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
436 PM CHST MON APR 20 2026
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR APRIL 20 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 87 12:38 PM 90 1948 88 -1 88
2013
2017
MINIMUM 72 4:50 AM 63 1968 77 -5 76
AVERAGE 80 83 -3 82
PRECIPITATION (IN)
TODAY 0.00 1.76 1989 0.12 -0.12 T
MONTH TO DATE 13.77 2.20 11.57 1.34
SINCE MAR 1 28.67 4.97 23.70 4.42
SINCE JAN 1 42.44 14.46 27.98 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 15 18 -3 17
MONTH TO DATE 329 347 -18 343
SINCE MAR 1 772 851 -79 852
SINCE JAN 1 1684 1770 -86 1812
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 3.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 5:00 AM
LOWEST 61 10:00 AM
AVERAGE 78
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 91 2016
2021
MINIMUM TEMPERATURE (F) 77 63 1968
SUNRISE AND SUNSET
APRIL 20 2026.........SUNRISE 6:05 AM CHST SUNSET 6:35 PM CHST
APRIL 21 2026.........SUNRISE 6:05 AM CHST SUNSET 6:35 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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