009
CXGM50 PGUM 030935
CLMGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
735 PM CHST MON AUG 03 2026
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...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JULY 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1945 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 95 07/18/1969
LOW 69 07/10/2006
HIGHEST 89 07/27 90 07/29
07/16
07/14
LOWEST 73 07/05 74 07/25
AVG. MAXIMUM 87.1 87.9 -0.8 86.3
AVG. MINIMUM 77.1 77.1 -0.0 77.1
MEAN 82.1
DAYS MAX >= 90 0 6.8 -6.8 1
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 29.80 2002 (9.35" TY CHATAAN)
MINIMUM 4.46 1954
TOTALS 21.01 12.25 8.76 12.99
DAILY AVG. 0.68 0.40 0.28 0.42
DAYS >= .01 24 26.0 -2.0 27
DAYS >= .10 13 17.8 -4.8 19
DAYS >= .50 5 6.7 -1.7 9
DAYS >= 1.00 3 3.3 -0.3 4
DAYS >= 3.00 2 0
GREATEST
24 HR. TOTAL 12.64 07/06 TO 07/06 2.04 07/20
DEGREE DAYS
COOLING TOTAL 538 542 -4 525
SINCE 1/1 3459 3606 -147 3598
FREEZE DATES
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WIND (MPH)
AVERAGE WIND SPEED 9.9
RESULTANT WIND SPEED/DIRECTION 0/160
HIGHEST WIND SPEED/DIRECTION 69/260 DATE 07/06
HIGHEST GUST SPEED/DIRECTION 111/230 DATE 07/06
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.35
NUMBER OF DAYS FAIR 22
NUMBER OF DAYS PC 8
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 82
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 HEAVY RAIN 5
RAIN 13 LIGHT RAIN 23
FOG 0 HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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