880
CDGM40 PGUM 171656
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
256 AM CHST SAT JUL 18 2026
...............................
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JULY 17 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 88 1:34 PM 91 2013 88 0 88
2019
MINIMUM 77 12:17 AM 69 1968 77 0 79
1971
1984
AVERAGE 83 82 1 84
PRECIPITATION (IN)
YESTERDAY 0.01 1.48 1991 0.42 -0.41 0.10
MONTH TO DATE 19.54 5.86 13.68 5.78
SINCE JUN 1 24.87 12.37 12.50 19.28
SINCE JAN 1 76.60 32.58 44.02 35.01
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 18 17 1 19
MONTH TO DATE 289 305 -16 298
SINCE JUN 1 818 857 -39 807
SINCE JAN 1 3210 3369 -159 3371
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 8.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 2:00 AM
LOWEST 68 2:00 PM
AVERAGE 81
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THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 92 2013
MINIMUM TEMPERATURE (F) 77 67 1984
SUNRISE AND SUNSET
JULY 18 2026..........SUNRISE 6:02 AM CHST SUNSET 6:52 PM CHST
JULY 19 2026..........SUNRISE 6:02 AM CHST SUNSET 6:52 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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