Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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773
CDGM40 PGUM 150632
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
432 PM CHST TUE JUL 15 2025
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JULY 15 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 88 1:57 PM 93 1993 88 0 87
MINIMUM 81 6:18 AM 72 1967 77 4 80
1995
AVERAGE 85 82 3 84
PRECIPITATION (IN)
TODAY T 3.17 2010 0.38 -0.38 0.10
MONTH TO DATE 5.68 5.03 0.65 2.96
SINCE JUN 1 19.18 11.54 7.64 10.96
SINCE JAN 1 34.91 31.75 3.16 27.83
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 20 18 2 19
MONTH TO DATE 261 270 -9 267
SINCE JUN 1 770 822 -52 798
SINCE JAN 1 3334 3334 0 3279
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SE (130)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 7.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 1:00 AM
LOWEST 70 12:00 PM
AVERAGE 78
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 93 1969
1984
MINIMUM TEMPERATURE (F) 77 72 1958
1967
1992
SUNRISE AND SUNSET
JULY 15 2025..........SUNRISE 6:01 AM CHST SUNSET 6:52 PM CHST
JULY 16 2025..........SUNRISE 6:02 AM CHST SUNSET 6:52 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$