027
CDGM40 PGUM 151607
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
207 AM CHST WED SEP 16 2026
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 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 2:51 PM 91 1969 87 -1 86
1983
1984
MINIMUM 76 6:48 AM 71 1956 76 0 74
AVERAGE 81 82 -1 80
PRECIPITATION (IN)
YESTERDAY 0.41 8.20 2019 0.50 -0.09 0.75
MONTH TO DATE 8.83 7.83 1.00 6.88
SINCE SEP 1 8.83 7.83 1.00 6.88
SINCE JAN 1 100.86 64.46 36.40 62.16
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 15
MONTH TO DATE 254 255 -1 250
SINCE SEP 1 254 255 -1 250
SINCE JAN 1 4248 4383 -135 4379
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 6.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 80 3:00 PM
AVERAGE 90
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THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 91 1983
1984
2016
MINIMUM TEMPERATURE (F) 76 71 1996
SUNRISE AND SUNSET
SEPTEMBER 16 2026.....SUNRISE 6:10 AM CHST SUNSET 6:22 PM CHST
SEPTEMBER 17 2026.....SUNRISE 6:10 AM CHST SUNSET 6:21 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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