800  
CDGM40 PGUM 211607  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
207 AM CHST MON FEB 22 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR FEBRUARY 21 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 88 1:40 PM 93 1946 85 3 85  
MINIMUM 76 6:25 AM 71 1969 75 1 73  
1992  
1994  
AVERAGE 82 80 2 79  
 
PRECIPITATION (IN)  
YESTERDAY T 0.93 2004 0.17 -0.17 0.05  
MONTH TO DATE 0.83 3.40 -2.57 3.37  
SINCE DEC 1 12.96 14.34 -1.38 7.82  
SINCE JAN 1 4.94 8.36 -3.42 6.36  
 
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 14  
MONTH TO DATE 349 315 34 317  
SINCE DEC 1 1365 1288 77 1327  
SINCE JAN 1 846 786 60 805    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 12.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 7:00 AM  
LOWEST 55 2:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 91 1946  
MINIMUM TEMPERATURE (F) 75 70 1949  
1969  
1992  
 
SUNRISE AND SUNSET  
FEBRUARY 22 2021......SUNRISE 6:41 AM CHST SUNSET 6:28 PM CHST  
FEBRUARY 23 2021......SUNRISE 6:40 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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