943
CDGM40 PGUM 191607
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
207 AM CHST SUN JUL 20 2025
...............................
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JULY 19 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 87 11:05 AM 93 1994 88 -1 88
MINIMUM 76 2:28 AM 71 1950 77 -1 77
1989
AVERAGE 82 82 0 83
PRECIPITATION (IN)
YESTERDAY 0.28 2.77 1950 0.42 -0.14 0.30
MONTH TO DATE 6.11 6.71 -0.60 4.41
SINCE JUN 1 19.61 13.22 6.39 12.41
SINCE JAN 1 35.34 33.43 1.91 29.28
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 17 17 0 18
MONTH TO DATE 331 339 -8 336
SINCE JUN 1 840 891 -51 867
SINCE JAN 1 3404 3403 1 3348
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WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION E (70)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 6.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 5:00 AM
LOWEST 75 11:00 AM
AVERAGE 86
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THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 93 1969
MINIMUM TEMPERATURE (F) 77 73 2002
SUNRISE AND SUNSET
JULY 20 2025..........SUNRISE 6:03 AM CHST SUNSET 6:52 PM CHST
JULY 21 2025..........SUNRISE 6:03 AM CHST SUNSET 6:51 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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