866
CXGM50 PGUM 090723
CLMGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
523 PM CHST WED OCT 09 2024
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...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1945 TO 2024
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 94 09/06/2016
LOW 70 09/13/1992
09/03/1992
09/17/1972
HIGHEST 90 09/07 90 09/15
LOWEST 73 09/23 74 09/22
AVG. MAXIMUM 86.9 87.2 -0.3 86.8
AVG. MINIMUM 76.8 76.3 0.5 76.7
MEAN 81.8
DAYS MAX >= 90 1 3.7 -2.7 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 32.24 2013 18.4" DURING TY PABUK
MINIMUM 3.91 1951
TOTALS 24.38 15.17 9.21 12.46
DAILY AVG. 0.81 0.51 0.30 0.42
DAYS >= .01 24 25.1 -1.1 27
DAYS >= .10 15 19.3 -4.3 20
DAYS >= .50 9 8.9 0.1 7
DAYS >= 1.00 7 4.5 2.5 3
DAYS >= 3.00 3
GREATEST
24 HR. TOTAL 6.01 09/11 TO 09/11 2.74 09/21
SNOWFALL (INCHES)
TOTALS 0.0
SINCE 7/1 0.0
GREATEST
SNOW DEPTH 0
DEGREE DAYS
COOLING TOTAL 514 502 12 509
SINCE 1/1 4612 4630 -18 4495
FREEZE DATES
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WIND (MPH)
AVERAGE WIND SPEED 7.8
RESULTANT WIND SPEED/DIRECTION 4/120
HIGHEST WIND SPEED/DIRECTION 31/150 DATE 09/11
HIGHEST GUST SPEED/DIRECTION 49/150 DATE 09/11
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.38
NUMBER OF DAYS FAIR 19
NUMBER OF DAYS PC 8
NUMBER OF DAYS CLOUDY 3
AVERAGE RH (PERCENT) 84
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 HEAVY RAIN 10
RAIN 16 LIGHT RAIN 25
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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