Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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186
CDGM40 PGUM 231604
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
204 AM CHST SUN AUG 24 2025
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 23 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 86 2:41 PM 92 2019 87 -1 87
MINIMUM 75 8:56 AM 73 1995 77 -2 80
2005
2022
AVERAGE 81 82 -1 84
PRECIPITATION (IN)
YESTERDAY 0.20 2.74 2001 0.55 -0.35 0.00
MONTH TO DATE 10.59 13.10 -2.51 10.70
SINCE JUN 1 37.08 31.86 5.22 26.21
SINCE JAN 1 52.81 52.07 0.74 43.08
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 19
MONTH TO DATE 393 391 2 399
SINCE JUN 1 1427 1485 -58 1476
SINCE JAN 1 3991 3997 -6 3957
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (80)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 5.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 2:00 AM
LOWEST 72 3:00 PM
AVERAGE 83
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 92 1984
MINIMUM TEMPERATURE (F) 76 72 1992
1993
1997
SUNRISE AND SUNSET
AUGUST 24 2025........SUNRISE 6:09 AM CHST SUNSET 6:37 PM CHST
AUGUST 25 2025........SUNRISE 6:09 AM CHST SUNSET 6:37 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$