Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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768
CDGM40 PGUM 101605
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
205 AM CHST MON AUG 11 2025
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 10 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 88 11:43 AM 93 1986 87 1 88
MINIMUM 78 11:59 PM 73 1951 77 1 76
1993
AVERAGE 83 82 1 82
PRECIPITATION (IN)
YESTERDAY 0.01 2.77 1978 0.60 -0.59 0.03
MONTH TO DATE 4.36 5.49 -1.13 6.17
SINCE JUN 1 30.85 24.25 6.60 21.68
SINCE JAN 1 46.58 44.46 2.12 38.55
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 18 17 1 17
MONTH TO DATE 173 170 3 172
SINCE JUN 1 1207 1264 -57 1249
SINCE JAN 1 3771 3776 -5 3730
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION E (100)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 6.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 11:00 PM
LOWEST 72 4:00 PM
AVERAGE 81
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 92 1986
1990
MINIMUM TEMPERATURE (F) 77 72 1951
1953
SUNRISE AND SUNSET
AUGUST 11 2025........SUNRISE 6:07 AM CHST SUNSET 6:44 PM CHST
AUGUST 12 2025........SUNRISE 6:08 AM CHST SUNSET 6:44 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$