Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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CDGM40 PGUM 011613
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
213 AM CHST SAT AUG 02 2025
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 1 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 3:17 PM 92 1983 87 -2 89
MINIMUM 76 9:02 AM 71 1969 77 -1 76
AVERAGE 81 82 -1 83
PRECIPITATION (IN)
YESTERDAY 1.05 4.01 2009 0.52 0.53 0.10
MONTH TO DATE 1.05 0.52 0.53 0.10
SINCE JUN 1 27.54 19.28 8.26 15.61
SINCE JAN 1 43.27 39.49 3.78 32.48
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 16 17 -1 18
MONTH TO DATE 16 17 -1 18
SINCE JUN 1 1049 1111 -62 1095
SINCE JAN 1 3613 3623 -10 3576
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (330)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 8:00 PM
LOWEST 80 2:00 PM
AVERAGE 89
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 93 1994
MINIMUM TEMPERATURE (F) 77 73 1952
1996
SUNRISE AND SUNSET
AUGUST 2 2025........SUNRISE 6:06 AM CHST SUNSET 6:48 PM CHST
AUGUST 3 2025........SUNRISE 6:06 AM CHST SUNSET 6:48 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$