Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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943
CDGM40 PGUM 030639
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
439 PM CHST WED SEP 03 2025
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 3 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 85 1:19 PM 91 2016 87 -2 89
MINIMUM 78 9:19 AM 68 1979 76 2 77
AVERAGE 82 82 0 83
PRECIPITATION (IN)
TODAY 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
TODAY 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
TODAY 17 17 0 18
MONTH TO DATE 50 51 -1 54
SINCE SEP 1 50 51 -1 54
SINCE JAN 1 4180 4179 1 4152
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION E (100)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 7.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 5:00 AM
LOWEST 74 12:00 PM
AVERAGE 83
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 90 2009
2016
2017
MINIMUM TEMPERATURE (F) 76 67 1979
1986
SUNRISE AND SUNSET
SEPTEMBER 3 2025.....SUNRISE 6:10 AM CHST SUNSET 6:31 PM CHST
SEPTEMBER 4 2025.....SUNRISE 6:10 AM CHST SUNSET 6:30 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$