063
CDGM40 PGUM 200630
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
430 PM CHST WED MAY 20 2026
...............................
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MAY 20 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1945 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 87 12:58 PM 92 2012 89 -2 88
MINIMUM 78 7:06 AM 67 1972 78 0 78
AVERAGE 83 83 0 83
PRECIPITATION (IN)
TODAY 0.04 2.94 1976 0.15 -0.11 0.15
MONTH TO DATE 4.62 2.67 1.95 1.12
SINCE MAR 1 33.69 8.94 24.75 6.61
SINCE JAN 1 47.46 18.43 29.03 14.87
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 18
MONTH TO DATE 348 360 -12 370
SINCE MAR 1 1289 1389 -100 1398
SINCE JAN 1 2201 2308 -107 2358
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION E (80)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 15.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 12:00 AM
LOWEST 63 3:00 PM
AVERAGE 77
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THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 92 2013
MINIMUM TEMPERATURE (F) 78 65 1987
SUNRISE AND SUNSET
MAY 20 2026...........SUNRISE 5:54 AM CHST SUNSET 6:41 PM CHST
MAY 21 2026...........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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