959
CDGM40 PGUM 280637
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
437 PM CHST MON SEP 28 2026
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 28 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 12:21 PM 92 1982 87 0 85
1988
MINIMUM 75 4:48 AM 71 1990 76 -1 75
AVERAGE 81 82 -1 80
PRECIPITATION (IN)
TODAY 0.64 2.67 2016 0.48 0.16 0.65
MONTH TO DATE 15.90 14.22 1.68 12.00
SINCE SEP 1 15.90 14.22 1.68 12.00
SINCE JAN 1 107.93 70.85 37.08 67.28
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 16 17 -1 15
MONTH TO DATE 478 476 2 457
SINCE SEP 1 478 476 2 457
SINCE JAN 1 4472 4604 -132 4586
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NW (330)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 3.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 2:00 PM
LOWEST 77 12:00 PM
AVERAGE 87
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 91 1971
1988
1992
MINIMUM TEMPERATURE (F) 76 71 1985
SUNRISE AND SUNSET
SEPTEMBER 28 2026.....SUNRISE 6:10 AM CHST SUNSET 6:13 PM CHST
SEPTEMBER 29 2026.....SUNRISE 6:10 AM CHST SUNSET 6:12 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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