Climatological Report (Monthly)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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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