372
CDGM40 PGUM 091637
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
237 AM CHST WED SEP 10 2025
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 9 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1945 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 89 2:20 PM 90 1953 87 2 88
1994
2013
MINIMUM 76 10:27 PM 68 1971 76 0 75
1975
AVERAGE 83 82 1 82
PRECIPITATION (IN)
YESTERDAY 0.37 6.29 1980 0.52 -0.15 0.93
MONTH TO DATE 5.17 4.81 0.36 2.10
SINCE SEP 1 5.17 4.81 0.36 2.10
SINCE JAN 1 60.45 61.44 -0.99 49.32
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 18 17 1 17
MONTH TO DATE 149 153 -4 159
SINCE SEP 1 149 153 -4 159
SINCE JAN 1 4278 4281 -3 4257
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION E (80)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 7.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 10:00 PM
LOWEST 66 11:00 AM
AVERAGE 80
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 90 1957
2016
2021
MINIMUM TEMPERATURE (F) 76 68 1983
SUNRISE AND SUNSET
SEPTEMBER 10 2025.....SUNRISE 6:10 AM CHST SUNSET 6:26 PM CHST
SEPTEMBER 11 2025.....SUNRISE 6:10 AM CHST SUNSET 6:25 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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