122  
CDGM40 PGUM 280627  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
427 PM CHST FRI FEB 28 2025  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR FEBRUARY 28 2025...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 83 12:42 PM 90 1988 86 -3 86  
2015  
MINIMUM 74 6:06 AM 70 1964 75 -1 72  
1973  
AVERAGE 79 81 -2 79  
 
PRECIPITATION (IN)  
TODAY 0.77 1.32 2004 0.12 0.65 0.00  
MONTH TO DATE 2.78 4.15 -1.37 1.88  
SINCE DEC 1 12.83 14.79 -1.96 9.75  
SINCE JAN 1 8.13 9.49 -1.36 4.26  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE DEC 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 14 16 -2 14  
MONTH TO DATE 454 436 18 417  
SINCE DEC 1 1476 1442 34 1410  
SINCE JAN 1 961 921 40 894    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 17 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 17.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 5:00 AM  
LOWEST 72 3:00 PM  
AVERAGE 85  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 89 1988  
1989  
2015  
MINIMUM TEMPERATURE (F) 75 69 1966  
 
SUNRISE AND SUNSET  
FEBRUARY 28 2025......SUNRISE 6:38 AM CHST SUNSET 6:29 PM CHST  
MARCH 1 2025.........SUNRISE 6:37 AM CHST SUNSET 6:29 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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