926  
CXGM50 PGUM 041224 CCA  
CLMGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
954 PM CHST SUN FEB 04 2024  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 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 01/09/1989  
LOW 66 01/18/2000  
 
HIGHEST 87 01/05 87 01/06  
01/13  
01/14  
LOWEST 72 01/24 73 01/08  
01/11  
AVG. MAXIMUM 84.9 85.9 -1.0 86.0  
AVG. MINIMUM 75.2 75.4 -0.2 78.0  
MEAN 80.0  
DAYS MAX >= 90 0 0.2 -0.2 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 18.09 1976 (TY KATHY 9.52")  
MINIMUM 0.94 2018  
TOTALS 2.38 5.34 -2.96 0.20  
DAILY AVG. 0.08 0.17 -0.09 0.45  
DAYS >= .01 23 20.1 2.9 1  
DAYS >= .10 8 11.0 -3.0 1  
DAYS >= .50 1 2.7 -1.7 0  
DAYS >= 1.00 0 1.1 -1.1 0  
DAYS >= 3.00 0  
GREATEST  
24 HR. TOTAL 0.52 01/21 TO 01/21 3.94  
 
SNOWFALL (INCHES)  
TOTALS 0.0  
SINCE 7/1 0.0  
GREATEST  
SNOW DEPTH 0  
 
DEGREE DAYS  
COOLING TOTAL 477 485 -8 480  
SINCE 1/1 477 485 -8 480  
 
FREEZE DATES   
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 12.6  
RESULTANT WIND SPEED/DIRECTION 12/060  
HIGHEST WIND SPEED/DIRECTION 33/040 DATE 01/18  
HIGHEST GUST SPEED/DIRECTION 45/060 DATE 01/18  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.49  
NUMBER OF DAYS FAIR 5  
NUMBER OF DAYS PC 21  
NUMBER OF DAYS CLOUDY 4  
 
AVERAGE RH (PERCENT) 77  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 1 HEAVY RAIN 2  
RAIN 10 LIGHT RAIN 29  
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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