549
CDGM40 PGUM 170627
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
427 PM CHST SAT MAY 17 2025
...............................
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MAY 17 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 88 12:57 PM 91 2013 89 -1 90
2014
2016
MINIMUM 78 MM 72 1966 78 0 79
AVERAGE 83 83 0 85
PRECIPITATION (IN)
TODAY 0.05 4.16 2018 0.13 -0.08 0.07
MONTH TO DATE 0.63 2.24 -1.61 0.93
SINCE MAR 1 6.12 8.51 -2.39 9.72
SINCE JAN 1 14.38 18.00 -3.62 13.98
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 18 18 0 20
MONTH TO DATE 316 306 10 306
SINCE MAR 1 1344 1335 9 1324
SINCE JAN 1 2304 2254 50 2233
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 12.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 9:00 AM
LOWEST 59 1:00 PM
AVERAGE 74
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 92 1987
MINIMUM TEMPERATURE (F) 78 74 1985
1986
1992
SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE 5:54 AM CHST SUNSET 6:40 PM CHST
MAY 18 2025...........SUNRISE 5:54 AM CHST SUNSET 6:41 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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