104
CDGM40 PGUM 031638
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
238 AM CHST THU SEP 04 2025
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 3 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 85 1:19 PM 91 2016 87 -2 89
MINIMUM 77 11:52 PM 68 1979 76 1 77
AVERAGE 81 82 -1 83
PRECIPITATION (IN)
YESTERDAY T 6.92 1990 0.54 -0.54 0.21
MONTH TO DATE 2.91 1.61 1.30 0.29
SINCE SEP 1 2.91 1.61 1.30 0.29
SINCE JAN 1 58.19 58.24 -0.05 47.51
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 18
MONTH TO DATE 49 51 -2 54
SINCE SEP 1 49 51 -2 54
SINCE JAN 1 4179 4179 0 4152
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 6.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 5:00 AM
LOWEST 74 12:00 PM
AVERAGE 83
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THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 90 2009
2016
2017
MINIMUM TEMPERATURE (F) 76 67 1979
1986
SUNRISE AND SUNSET
SEPTEMBER 4 2025.....SUNRISE 6:10 AM CHST SUNSET 6:30 PM CHST
SEPTEMBER 5 2025.....SUNRISE 6:10 AM CHST SUNSET 6:29 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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