Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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CDGM40 PGUM 260626
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
426 PM CHST SAT JUL 26 2025
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JULY 26 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 83 2:43 PM 94 1984 88 -5 86
MINIMUM 76 4:05 PM 72 1985 77 -1 74
AVERAGE 80 82 -2 80
PRECIPITATION (IN)
TODAY 0.33 2.93 1975 0.47 -0.14 0.67
MONTH TO DATE 11.16 9.89 1.27 6.36
SINCE JUN 1 24.66 16.40 8.26 14.36
SINCE JAN 1 40.39 36.61 3.78 31.23
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 15 17 -2 15
MONTH TO DATE 439 458 -19 457
SINCE JUN 1 948 1010 -62 988
SINCE JAN 1 3512 3522 -10 3469
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 9.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1:00 AM
LOWEST 72 2:00 PM
AVERAGE 81
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 92 2013
2018
MINIMUM TEMPERATURE (F) 77 72 1969
1989
SUNRISE AND SUNSET
JULY 26 2025..........SUNRISE 6:04 AM CHST SUNSET 6:50 PM CHST
JULY 27 2025..........SUNRISE 6:05 AM CHST SUNSET 6:50 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$