686
CDGM40 PGUM 191626
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
226 AM CHST SUN SEP 20 2026
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 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 89 MM 93 1984 87 2 88
MINIMUM 77 MM 71 1986 76 1 76
AVERAGE 83 82 1 82
PRECIPITATION (IN)
YESTERDAY 0.66 10.19 2013 0.50 0.16 0.13
MONTH TO DATE 11.40 9.82 1.58 9.25
SINCE SEP 1 11.40 9.82 1.58 9.25
SINCE JAN 1 103.43 66.45 36.98 64.53
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 18 17 1 17
MONTH TO DATE 325 323 2 312
SINCE SEP 1 325 323 2 312
SINCE JAN 1 4319 4451 -132 4441
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (0)
AVERAGE WIND SPEED 6.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1:00 AM
LOWEST 75 12:00 PM
AVERAGE 86
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THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 91 1988
1989
1995
MINIMUM TEMPERATURE (F) 76 73 1964
SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE 6:10 AM CHST SUNSET 6:19 PM CHST
SEPTEMBER 21 2026.....SUNRISE 6:10 AM CHST SUNSET 6:18 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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