035  
CDUS43 KLOT 092245  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
445 PM CST WED DEC 09 2020  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 9 2020...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1997 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 52R 2:39 PM 52 1999 37 15  
2015  
MINIMUM 27 6:26 AM -3 2013 21 6  
AVERAGE 40 29 11  
 
PRECIPITATION (IN)  
TODAY 0.00 0.94 2008 0.06 -0.06  
MONTH TO DATE 0.00 0.58 -0.58  
SINCE DEC 1 0.00 0.58 -0.58  
SINCE JAN 1 30.19 35.77 -5.58  
 
DEGREE DAYS  
HEATING  
TODAY 25 36 -11  
MONTH TO DATE 287 308 -21  
SINCE DEC 1 287 308 -21  
SINCE JUL 1 1458 1562 -104  
 
COOLING  
TODAY 0 0 0  
MONTH TO DATE 0 0 0  
SINCE DEC 1 0 0 0  
SINCE JAN 1 943 814 129    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 6.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 57 2015  
MINIMUM TEMPERATURE (F) 21 -10 2013  
 
SUNRISE AND SUNSET  
DECEMBER 9 2020......SUNRISE 7:09 AM CST SUNSET 4:22 PM CST  
DECEMBER 10 2020......SUNRISE 7:10 AM CST SUNSET 4:22 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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