958
CXGM50 PGUM 041407 CCA
CLMGUM
CLIMATE REPORT ...CORRECTED
NATIONAL WEATHER SERVICE TIYAN GUAM
1207 AM CHST SAT SEP 5 2026
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 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
............................................................
TEMPERATURE (F)
RECORD
HIGH 94 08/30/1994
08/06/1994
LOW 70 08/15/1989
08/22/1886
08/13/1967
HIGHEST 91 08/20 90 08/18
LOWEST 73 08/19 74 08/19
08/22
08/30
AVG. MAXIMUM 87.0 87.2 -0.2 87.1
AVG. MINIMUM 77.0 76.5 0.5 76.6
MEAN 82.0
DAYS MAX >= 90 3 4.5 -1.5 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 38.49 1997
MINIMUM 3.91 1965
TOTALS 13.96 17.66 -3.70 13.06
DAILY AVG. 0.45 0.57 -0.12 0.42
DAYS >= .01 23 25.9 -2.9 27
DAYS >= .10 16 19.2 -3.2 20
DAYS >= .50 7 9.7 -2.7 12
DAYS >= 1.00 5 5.2 -0.2 4
DAYS >= 3.00 1 0
GREATEST
24 HR. TOTAL 3.06 08/06 TO 08/06 1.58 08/07
DEGREE DAYS
COOLING TOTAL 535 522 13 531
SINCE 1/1 3994 4128 -134 4129
FREEZE DATES
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WIND (MPH)
AVERAGE WIND SPEED 10.6
RESULTANT WIND SPEED/DIRECTION 8/260
HIGHEST WIND SPEED/DIRECTION 35/260 DATE 08/04
HIGHEST GUST SPEED/DIRECTION 48/250 DATE 08/04
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.43
NUMBER OF DAYS FAIR 11
NUMBER OF DAYS PC 20
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 84
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 HEAVY RAIN 12
RAIN 16 LIGHT RAIN 26
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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