073  
CDGM40 PGUM 210632  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
432 PM CHST FRI FEB 21 2025  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR FEBRUARY 21 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 88 12:37 PM 93 1946 86 2 84  
MINIMUM 76 6:22 AM 71 1969 75 1 74  
1992  
1994  
AVERAGE 82 81 1 79  
 
PRECIPITATION (IN)  
TODAY T 0.93 2004 0.14 -0.14 0.20  
MONTH TO DATE 0.79 3.21 -2.42 1.34  
SINCE DEC 1 10.84 13.85 -3.01 9.21  
SINCE JAN 1 6.14 8.55 -2.41 3.72  
 
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 17 16 1 14  
MONTH TO DATE 341 324 17 314  
SINCE DEC 1 1363 1330 33 1307  
SINCE JAN 1 848 809 39 791    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 15.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 6:00 AM  
LOWEST 52 2:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 91 1946  
MINIMUM TEMPERATURE (F) 75 70 1949  
1969  
1992  
 
SUNRISE AND SUNSET  
FEBRUARY 21 2025......SUNRISE 6:41 AM CHST SUNSET 6:28 PM CHST  
FEBRUARY 22 2025......SUNRISE 6:41 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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