755  
CXGM50 PGUM 030717  
CLMGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
517 PM CHST MON MAR 03 2025  
   
...............................  
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2025...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1945 TO 2025  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................  
 
TEMPERATURE (F)  
RECORD  
HIGH 93 02/21/1946  
02/18/1946  
02/14/1946  
LOW 65 02/08/1973  
HIGHEST 88 02/19 87 02/17  
02/20  
02/21  
02/25  
LOWEST 73 02/04 70 02/08  
02/14  
02/15  
02/18  
AVG. MAXIMUM 86.2 86.0 0.2 84.9  
AVG. MINIMUM 75.8 75.0 0.8 74.4  
MEAN 81.0  
DAYS MAX >= 90 0 0.1 -0.1 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 13.87 1980  
MINIMUM 0.18 2015  
TOTALS 2.91 4.15 -1.24 1.88  
DAILY AVG. 0.10 0.15 -0.05 0.06  
DAYS >= .01 12 18.0 -6.0 15  
DAYS >= .10 6 8.6 -2.6 7  
DAYS >= .50 2 2.2 -0.2 0  
DAYS >= 1.00 1 0.8 0.2 0  
DAYS >= 3.00 0 0 0 0  
GREATEST  
24 HR. TOTAL 1.20 02/27 TO 02/27 0.38 02/22  
 
SNOWFALL (INCHES)  
TOTALS 0.0  
SINCE 7/1 0.0  
GREATEST  
SNOW DEPTH 0  
 
DEGREE DAYS  
COOLING TOTAL 453 434 19 432  
SINCE 1/1 960 921 39 909  
 
FREEZE DATES   
............................................................  
 
WIND (MPH)  
AVERAGE WIND SPEED 13.5  
RESULTANT WIND SPEED/DIRECTION 13/060  
HIGHEST WIND SPEED/DIRECTION 29/050 DATE 02/22  
29/070 02/27  
29/060 02/28  
HIGHEST GUST SPEED/DIRECTION 40/050 DATE 02/22  
40/070 02/28  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.43  
NUMBER OF DAYS FAIR 13  
NUMBER OF DAYS PC 11  
NUMBER OF DAYS CLOUDY 4  
 
AVERAGE RH (PERCENT) 72  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 HEAVY RAIN 3  
RAIN 4 LIGHT RAIN 20  
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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