284  
CDGM40 PGUM 150639  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
439 PM CHST SAT MAR 15 2025  
   
...............................  
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MARCH 15 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 86 1:01 PM 90 1987 87 -1 87  
1991  
2013  
MINIMUM 76 6:29 AM 69 1965 76 0 76  
AVERAGE 81 81 0 82  
 
PRECIPITATION (IN)  
TODAY 0.12 1.11 1974 0.08 0.04 0.02  
MONTH TO DATE 2.37 1.43 0.94 1.01  
SINCE MAR 1 2.37 1.43 0.94 1.01  
SINCE JAN 1 10.63 10.92 -0.29 5.27  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE MAR 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 MAR 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 16 16 0 17  
MONTH TO DATE 245 240 5 233  
SINCE MAR 1 245 240 5 233  
SINCE JAN 1 1205 1159 46 1142    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 12.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 6:00 AM  
LOWEST 67 1:00 PM  
AVERAGE 81  
   
......................................................  
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 90 1984  
2011  
2014  
MINIMUM TEMPERATURE (F) 76 71 1987  
1997  
 
SUNRISE AND SUNSET  
MARCH 15 2025.........SUNRISE 6:28 AM CHST SUNSET 6:31 PM CHST  
MARCH 16 2025.........SUNRISE 6:28 AM CHST SUNSET 6:31 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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