037  
CDGM40 PGUM 221601  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
201 AM CHST SUN FEB 23 2025  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR FEBRUARY 22 2025...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1945 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 11:40 AM 91 1946 86 1 85  
MINIMUM 77 6:03 AM 70 1949 75 2 72  
1969  
1992  
AVERAGE 82 81 1 79  
 
PRECIPITATION (IN)  
YESTERDAY T 5.88 1953 0.14 -0.14 0.38  
MONTH TO DATE 0.79 3.35 -2.56 1.72  
SINCE DEC 1 10.84 13.99 -3.15 9.59  
SINCE JAN 1 6.14 8.69 -2.55 4.10  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE DEC 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 17 16 1 14  
MONTH TO DATE 358 340 18 328  
SINCE DEC 1 1380 1346 34 1321  
SINCE JAN 1 865 825 40 805    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 19 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 19.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 5:00 AM  
LOWEST 57 12:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 90 1985  
MINIMUM TEMPERATURE (F) 75 71 1987  
1998  
2003  
 
SUNRISE AND SUNSET  
FEBRUARY 23 2025......SUNRISE 6:40 AM CHST SUNSET 6:28 PM CHST  
FEBRUARY 24 2025......SUNRISE 6:40 AM CHST SUNSET 6:28 PM CHST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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