462
CDGM40 PGUM 191622
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
222 AM CHST THU AUG 20 2026
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 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 82 12:38 AM 91 1969 87 -5 87
1988
MINIMUM 73 3:24 PM 71 1964 77 -4 74
AVERAGE 78 82 -4 81
PRECIPITATION (IN)
YESTERDAY 2.58 3.85 1985 0.57 2.01 1.24
MONTH TO DATE 9.10 10.88 -1.78 8.61
SINCE JUN 1 35.44 29.64 5.80 35.10
SINCE JAN 1 87.17 49.85 37.32 50.83
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 13 17 -4 16
MONTH TO DATE 325 323 2 331
SINCE JUN 1 1392 1417 -25 1365
SINCE JAN 1 3784 3929 -145 3929
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION N (350)
HIGHEST WIND SPEED 27 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION N (0)
AVERAGE WIND SPEED 10.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 4:00 PM
LOWEST 82 3:00 AM
AVERAGE 90
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 92 1981
MINIMUM TEMPERATURE (F) 77 71 1960
SUNRISE AND SUNSET
AUGUST 20 2026........SUNRISE 6:09 AM CHST SUNSET 6:40 PM CHST
AUGUST 21 2026........SUNRISE 6:09 AM CHST SUNSET 6:39 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