528  
CDGM40 PGUM 151613  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
213 AM CHST TUE FEB 16 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR FEBRUARY 15 2021...  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1945 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 86 3:38 PM 89 1985 85 1 86  
1988  
MINIMUM 78 7:18 AM 68 1966 75 3 74  
AVERAGE 82 80 2 80  
 
PRECIPITATION (IN)  
YESTERDAY T 3.49 1999 0.17 -0.17 0.07  
MONTH TO DATE 0.76 2.40 -1.64 3.29  
SINCE DEC 1 12.89 13.34 -0.45 7.74  
SINCE JAN 1 4.87 7.36 -2.49 6.28  
 
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 15 2 15  
MONTH TO DATE 247 225 22 223  
SINCE DEC 1 1263 1198 65 1233  
SINCE JAN 1 744 696 48 711    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 11:00 PM  
LOWEST 63 11:00 AM  
AVERAGE 70  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 90 1946  
1988  
MINIMUM TEMPERATURE (F) 75 72 1978  
1995  
2015  
 
SUNRISE AND SUNSET  
FEBRUARY 16 2021......SUNRISE 6:43 AM CHST SUNSET 6:26 PM CHST  
FEBRUARY 17 2021......SUNRISE 6:43 AM CHST SUNSET 6:27 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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