631  
CXGM50 PGUM 050318  
CLMGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
118 PM CHST TUE NOV 05 2024  
   
...............................  
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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 93 10/23/2018  
10/06/1989  
10/04/1984  
LOW 67 10/16/1966  
HIGHEST 89 90 10/09  
LOWEST 74 73 10/14  
10/15  
AVG. MAXIMUM 86.3 87.4 -1.1 86.6  
AVG. MINIMUM 75.8 76.8 -1.0 76.6  
MEAN 81.1  
DAYS MAX >= 90 0 3.9 -3.9 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 26.68 2021  
MINIMUM 4.27 1976  
TOTALS 18.09 12.73 5.36 17.40  
DAILY AVG. 0.58 0.41 0.17 0.56  
DAYS >= .01 27 25.4 1.6 28  
DAYS >= .10 19 18.0 1.0 17  
DAYS >= .50 11 7.8 3.2 7  
DAYS >= 1.00 7 3.5 3.5 4  
DAYS >= 3.00 2  
GREATEST  
24 HR. TOTAL 4.05 10/20 TO 10/20 4.54 10/10  
 
SNOWFALL (INCHES)  
TOTALS 0.0  
SINCE 7/1 0.0  
GREATEST  
SNOW DEPTH 0  
 
DEGREE DAYS  
COOLING TOTAL 508 530 -22 524  
SINCE 1/1 5120 5160 -40 5019  
 
FREEZE DATES   
............................................................  
 
WIND (MPH)  
AVERAGE WIND SPEED 6.7  
RESULTANT WIND SPEED/DIRECTION 2/100  
HIGHEST WIND SPEED/DIRECTION 26/270 DATE 10/08  
HIGHEST GUST SPEED/DIRECTION 34/290 DATE 10/08  
34/170 10/20  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.40  
NUMBER OF DAYS FAIR 17  
NUMBER OF DAYS PC 14  
NUMBER OF DAYS CLOUDY 0  
 
AVERAGE RH (PERCENT) 85  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 3 HEAVY RAIN 16  
RAIN 16 LIGHT RAIN 28  
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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