990  
CDUS43 KLOT 070636  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1236 AM CST SUN FEB 07 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 6 2021...  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 10 2:21 PM 55 2017 34 -24 30  
MINIMUM -4 7:05 AM -7 2007 17 -21 20  
AVERAGE 3 26 -23 25  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.24 0.05 -0.04 0.01  
MONTH TO DATE 0.22 0.23 -0.01 0.06  
SINCE DEC 1 2.81 3.26 -0.45 3.72  
SINCE JAN 1 0.96 1.54 -0.58 2.34  
 
DEGREE DAYS  
HEATING  
YESTERDAY 62 40 22 40  
MONTH TO DATE 282 240 42 196  
SINCE DEC 1 2543 2701 -158 2321  
SINCE JUL 1 3714 3955 -241 3697  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 9.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
SNOW  
LIGHT SNOW  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 55 1999  
2009  
MINIMUM TEMPERATURE (F) 18 -12 2014  
 
SUNRISE AND SUNSET  
FEBRUARY 7 2021......SUNRISE 6:59 AM CST SUNSET 5:16 PM CST  
FEBRUARY 8 2021......SUNRISE 6:57 AM CST SUNSET 5:17 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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