326  
CXGM50 PGUM 020145  
CLMGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
1145 AM CHST MON SEP 02 2024  
   
...............................  
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 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    
............................................................  
 
TEMPERATURE (F)  
RECORD  
HIGH 94 08/30/1994  
08/06/1994  
LOW 70 08/15/1989  
08/22/1886  
08/13/1967  
HIGHEST 89 08/09 89 08/15  
LOWEST 74 08/17 74 08/13  
AVG. MAXIMUM 87.6 87.2 0.4 86.4  
AVG. MINIMUM 76.7 76.5 0.2 76.7  
MEAN 82.2  
DAYS MAX >= 90 0 4.5 -4.5 0  
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 37.32 2004 (7.52" DURING TY CHABA)  
MINIMUM 3.91 1965  
TOTALS 14.84 17.66 -2.82 19.47  
DAILY AVG. 0.48 0.57 -0.09 0.63  
DAYS >= .01 25 25.9 -0.9 24  
DAYS >= .10 19 19.2 -0.2 20  
DAYS >= .50 11 9.7 1.3 14  
DAYS >= 1.00 4 5.2 -1.2 8  
DAYS >= 3.00 1  
GREATEST  
24 HR. TOTAL 3.65 08/02 TO 08/02 3.14  
 
SNOWFALL (INCHES)  
TOTALS 0.0  
SINCE 7/1 0.0  
GREATEST  
SNOW DEPTH 0  
 
DEGREE DAYS  
COOLING TOTAL 540 522 18 521  
SINCE 1/1 4098 4128 -30 3986  
 
FREEZE DATES   
............................................................  
 
WIND (MPH)  
AVERAGE WIND SPEED 5.9  
RESULTANT WIND SPEED/DIRECTION 3/130  
HIGHEST WIND SPEED/DIRECTION 28/280 DATE 08/02  
HIGHEST GUST SPEED/DIRECTION 39/290 DATE 08/02  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.31  
NUMBER OF DAYS FAIR 22  
NUMBER OF DAYS PC 9  
NUMBER OF DAYS CLOUDY 0  
 
AVERAGE RH (PERCENT) 82  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 2 HEAVY RAIN 13  
RAIN 15 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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