890
CDGM40 PGUM 111628
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
228 AM CHST SAT SEP 12 2026
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 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 90 2:01 PM 93 2016 87 3 88
MINIMUM 77 4:29 AM 72 1950 76 1 76
1955
AVERAGE 84 82 2 82
PRECIPITATION (IN)
YESTERDAY 0.02 6.01 2024 0.51 -0.49 0.50
MONTH TO DATE 7.70 5.85 1.85 5.68
SINCE SEP 1 7.70 5.85 1.85 5.68
SINCE JAN 1 99.73 62.48 37.25 60.96
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 19 17 2 17
MONTH TO DATE 187 187 0 184
SINCE SEP 1 187 187 0 184
SINCE JAN 1 4181 4315 -134 4313
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NE (60)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 7.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 12:00 AM
LOWEST 63 2:00 PM
AVERAGE 79
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THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 92 1969
MINIMUM TEMPERATURE (F) 76 70 1995
SUNRISE AND SUNSET
SEPTEMBER 12 2026.....SUNRISE 6:10 AM CHST SUNSET 6:25 PM CHST
SEPTEMBER 13 2026.....SUNRISE 6:10 AM CHST SUNSET 6:24 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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