407
CDGM40 PGUM 201607
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
207 AM CHST FRI AUG 21 2026
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 20 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 91 2:06 PM 92 1981 87 4 87
MINIMUM 78 4:10 AM 71 1960 77 1 76
AVERAGE 85 82 3 82
PRECIPITATION (IN)
YESTERDAY 0.01 4.17 1996 0.57 -0.56 0.02
MONTH TO DATE 9.11 11.45 -2.34 8.63
SINCE JUN 1 35.45 30.21 5.24 35.12
SINCE JAN 1 87.18 50.42 36.76 50.85
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 20 17 3 17
MONTH TO DATE 345 340 5 348
SINCE JUN 1 1412 1434 -22 1382
SINCE JAN 1 3804 3946 -142 3946
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION NE (50)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 8.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 4:00 AM
LOWEST 64 2:00 PM
AVERAGE 81
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 91 1969
1971
MINIMUM TEMPERATURE (F) 77 71 1960
1991
SUNRISE AND SUNSET
AUGUST 21 2026........SUNRISE 6:09 AM CHST SUNSET 6:39 PM CHST
AUGUST 22 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.
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