253
CDGM40 PGUM 300627
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
427 PM CHST WED JUL 30 2025
...............................
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JULY 30 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 87 11:13 AM 92 1984 87 0 88
2013
MINIMUM 78 11:03 AM 71 1956 77 1 77
1964
AVERAGE 83 82 1 83
PRECIPITATION (IN)
TODAY 0.84 10.44 2014 0.48 0.36 0.01
MONTH TO DATE 12.96 11.78 1.18 7.18
SINCE JUN 1 26.46 18.29 8.17 15.18
SINCE JAN 1 42.19 38.50 3.69 32.05
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 18 17 1 18
MONTH TO DATE 508 526 -18 528
SINCE JUN 1 1017 1078 -61 1059
SINCE JAN 1 3581 3590 -9 3540
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 4.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 1:00 PM
LOWEST 72 10:00 AM
AVERAGE 83
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 91 1994
2013
2020
MINIMUM TEMPERATURE (F) 77 73 1956
1967
1969
SUNRISE AND SUNSET
JULY 30 2025..........SUNRISE 6:05 AM CHST SUNSET 6:49 PM CHST
JULY 31 2025..........SUNRISE 6:05 AM CHST SUNSET 6:49 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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