Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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764
CDGM40 PGUM 091604
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
204 AM CHST SUN AUG 10 2025
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 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 88 1:00 PM 91 1986 87 1 89
1987
1994
MINIMUM 78 3:00 AM 73 1952 77 1 77
AVERAGE 83 82 1 83
PRECIPITATION (IN)
YESTERDAY 0.02 2.82 1981 0.59 -0.57 T
MONTH TO DATE 4.35 4.89 -0.54 6.14
SINCE JUN 1 30.84 23.65 7.19 21.65
SINCE JAN 1 46.57 43.86 2.71 38.52
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 18
MONTH TO DATE 155 153 2 155
SINCE JUN 1 1189 1247 -58 1232
SINCE JAN 1 3753 3759 -6 3713
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION E (70)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 7.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 4:00 AM
LOWEST 66 1:00 PM
AVERAGE 78
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 93 1986
MINIMUM TEMPERATURE (F) 77 73 1951
1993
SUNRISE AND SUNSET
AUGUST 10 2025........SUNRISE 6:07 AM CHST SUNSET 6:45 PM CHST
AUGUST 11 2025........SUNRISE 6:07 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.
$$