218
CDGM40 PGUM 210724
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
524 PM CHST WED MAY 21 2025
...............................
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MAY 21 2025
VALID TODAY AS OF 0500 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 89 1:41 PM 92 1971 89 0 87
2013
MINIMUM 80 6:12 AM 74 1987 78 2 79
1991
1992
AVERAGE 85 83 2 83
PRECIPITATION (IN)
TODAY T 18.49 1976 0.16 -0.16 0.11
MONTH TO DATE 1.12 2.83 -1.71 1.38
SINCE MAR 1 6.61 9.10 -2.49 10.17
SINCE JAN 1 14.87 18.59 -3.72 14.43
SNOWFALL (IN)
TODAY 0.0
MONTH TO DATE 0.0
SINCE MAR 1 0.0
SINCE JUL 1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 20 18 2 18
MONTH TO DATE 390 378 12 378
SINCE MAR 1 1418 1407 11 1396
SINCE JAN 1 2378 2326 52 2305
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION E (70)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 12.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 12:00 AM
LOWEST 61 10:00 AM
AVERAGE 73
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 93 2013
MINIMUM TEMPERATURE (F) 78 73 1972
SUNRISE AND SUNSET
MAY 21 2025...........SUNRISE 5:54 AM CHST SUNSET 6:41 PM CHST
MAY 22 2025...........SUNRISE 5:53 AM CHST SUNSET 6:42 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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