347
CDGM40 PGUM 161604
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
204 AM CHST SUN MAY 17 2026
...............................
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MAY 16 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 2:01 PM 91 2014 89 -2 89
2016
2019
MINIMUM 79 5:35 AM 65 1957 78 1 79
AVERAGE 83 83 0 84
PRECIPITATION (IN)
YESTERDAY 0.01 4.46 1964 0.14 -0.13 0.03
MONTH TO DATE 4.27 2.11 2.16 0.58
SINCE MAR 1 33.34 8.38 24.96 6.07
SINCE JAN 1 47.11 17.87 29.24 14.33
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 18 18 0 19
MONTH TO DATE 275 288 -13 298
SINCE MAR 1 1216 1317 -101 1326
SINCE JAN 1 2128 2236 -108 2286
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 12.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 2:00 AM
LOWEST 67 3:00 PM
AVERAGE 75
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 91 2013
2014
2016
MINIMUM TEMPERATURE (F) 78 67 1979
SUNRISE AND SUNSET
MAY 17 2026...........SUNRISE 5:54 AM CHST SUNSET 6:40 PM CHST
MAY 18 2026...........SUNRISE 5:54 AM CHST SUNSET 6:40 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page