760  
CDGM40 PGUM 281610  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
210 AM CHST SAT MAR 01 2025  
   
...............................  
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR FEBRUARY 28 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 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)  
YESTERDAY 0.90 1.32 2004 0.12 0.78 0.00  
MONTH TO DATE 2.91 4.15 -1.24 1.88  
SINCE DEC 1 12.96 14.79 -1.83 9.75  
SINCE JAN 1 8.26 9.49 -1.23 4.26  
 
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 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 NE (60)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 16.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 5:00 AM  
LOWEST 70 4:00 PM  
AVERAGE 84  
   
......................................................  
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 89 1988  
1989  
2015  
MINIMUM TEMPERATURE (F) 75 69 1966  
 
SUNRISE AND SUNSET  
MARCH 1 2025.........SUNRISE 6:37 AM CHST SUNSET 6:29 PM CHST  
MARCH 2 2025.........SUNRISE 6:37 AM CHST SUNSET 6:30 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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