015  
CDUS43 KLOT 090638  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1238 AM CST TUE FEB 09 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 8 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 11 4:24 PM 48 2001 34 -23 34  
MINIMUM -1 12:05 AM -8 2007 18 -19 23  
AVERAGE 5 26 -21 29  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 0.74 0.04 -0.01 0.00  
MONTH TO DATE 0.25 0.31 -0.06 0.06  
SINCE DEC 1 2.84 3.34 -0.50 3.72  
SINCE JAN 1 0.99 1.62 -0.63 2.34  
 
DEGREE DAYS  
HEATING  
YESTERDAY 60 39 21 36  
MONTH TO DATE 412 318 94 269  
SINCE DEC 1 2673 2779 -106 2394  
SINCE JUL 1 3844 4033 -189 3770  
 
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 3 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 3.9  
 
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 69 1999  
MINIMUM TEMPERATURE (F) 18 -7 2011  
 
SUNRISE AND SUNSET  
FEBRUARY 9 2021......SUNRISE 6:56 AM CST SUNSET 5:19 PM CST  
FEBRUARY 10 2021......SUNRISE 6:55 AM CST SUNSET 5:20 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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