040
CDGM40 PGUM 261640
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
240 AM CHST SUN SEP 27 2026
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 26 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 3:33 PM 91 1987 87 -1 87
MINIMUM 75 6:15 AM 73 1953 76 -1 76
2002
AVERAGE 81 82 -1 82
PRECIPITATION (IN)
YESTERDAY 0.14 4.93 2002 0.49 -0.35 0.44
MONTH TO DATE 15.26 13.26 2.00 11.35
SINCE SEP 1 15.26 13.26 2.00 11.35
SINCE JAN 1 107.29 69.89 37.40 66.63
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 17
MONTH TO DATE 445 442 3 426
SINCE SEP 1 445 442 3 426
SINCE JAN 1 4439 4570 -131 4555
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 2.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 12:00 AM
LOWEST 74 12:00 PM
AVERAGE 85
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THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 91 1964
1986
2016
MINIMUM TEMPERATURE (F) 76 73 1956
SUNRISE AND SUNSET
SEPTEMBER 27 2026.....SUNRISE 6:10 AM CHST SUNSET 6:14 PM CHST
SEPTEMBER 28 2026.....SUNRISE 6:10 AM CHST SUNSET 6:13 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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