084
CDGM40 PGUM 150646
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
446 PM CHST MON SEP 15 2025
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1945 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 86 10:03 AM 90 2018 87 -1 85
2020
2023
MINIMUM 76 2:59 AM 67 1968 76 0 76
AVERAGE 81 82 -1 81
PRECIPITATION (IN)
TODAY 0.45 8.20 2019 0.50 -0.05 0.63
MONTH TO DATE 6.58 7.83 -1.25 15.40
SINCE SEP 1 6.58 7.83 -1.25 15.40
SINCE JAN 1 61.86 64.46 -2.60 62.62
DEGREE DAYS
HEATING
TODAY 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
TODAY 16 17 -1 16
MONTH TO DATE 251 255 -4 253
SINCE SEP 1 251 255 -4 253
SINCE JAN 1 4380 4383 -3 4351
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 7.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 2:00 AM
LOWEST 72 10:00 AM
AVERAGE 83
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 91 2016
MINIMUM TEMPERATURE (F) 76 68 1957
1974
1984
SUNRISE AND SUNSET
SEPTEMBER 15 2025.....SUNRISE 6:10 AM CHST SUNSET 6:22 PM CHST
SEPTEMBER 16 2025.....SUNRISE 6:10 AM CHST SUNSET 6:21 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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