246
CDGM40 PGUM 210650
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
450 PM CHST MON SEP 21 2026
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 21 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 1:01 PM 92 1985 87 0 85
MINIMUM 77 5:32 AM 72 1966 76 1 75
1984
AVERAGE 82 82 0 80
PRECIPITATION (IN)
TODAY 0.01 3.16 1995 0.49 -0.48 0.15
MONTH TO DATE 14.38 10.80 3.58 9.54
SINCE SEP 1 14.38 10.80 3.58 9.54
SINCE JAN 1 106.41 67.43 38.98 64.82
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 15
MONTH TO DATE 359 357 2 345
SINCE SEP 1 359 357 2 345
SINCE JAN 1 4353 4485 -132 4474
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SE (140)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 4.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 12:00 AM
LOWEST 75 12:00 PM
AVERAGE 85
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 91 1969
1970
2017
MINIMUM TEMPERATURE (F) 76 73 1953
1999
2000
SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE 6:10 AM CHST SUNSET 6:18 PM CHST
SEPTEMBER 22 2026.....SUNRISE 6:10 AM CHST SUNSET 6:17 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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