853
CDGM40 PGUM 191618
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
218 AM CHST WED MAY 20 2026
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..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MAY 19 2026
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)
YESTERDAY
MAXIMUM 87 MM 92 2001 89 -2 87
MINIMUM 77 12:37 AM 66 1975 78 -1 78
AVERAGE 82 83 -1 83
PRECIPITATION (IN)
YESTERDAY 0.29 1.26 1985 0.14 0.15 0.10
MONTH TO DATE 4.58 2.52 2.06 0.97
SINCE MAR 1 33.65 8.79 24.86 6.46
SINCE JAN 1 47.42 18.28 29.14 14.72
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 17 18 -1 18
MONTH TO DATE 330 342 -12 352
SINCE MAR 1 1271 1371 -100 1380
SINCE JAN 1 2183 2290 -107 2340
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WIND (MPH)
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION E (80)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 12.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 7:00 PM
LOWEST 68 11:00 AM
AVERAGE 79
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THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 92 2012
MINIMUM TEMPERATURE (F) 78 67 1972
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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