589  
CDUS43 KLOT 192237  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CST SAT DEC 19 2020  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 19 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 44 1:14 PM 53 2002 34 10  
MINIMUM 35 1:20 AM -15 2016 18 17  
AVERAGE 40 26 14  
 
PRECIPITATION (IN)  
TODAY 0.00 0.41 2008 0.06 -0.06  
MONTH TO DATE 1.13 1.15 -0.02  
SINCE DEC 1 1.13 1.15 -0.02  
SINCE JAN 1 31.32 36.34 -5.02  
 
DEGREE DAYS  
HEATING  
TODAY 25 39 -14  
MONTH TO DATE 622 686 -64  
SINCE DEC 1 622 686 -64  
SINCE JUL 1 1793 1940 -147  
 
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 8 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 10.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 50 2015  
MINIMUM TEMPERATURE (F) 18 -9 2000  
 
SUNRISE AND SUNSET  
DECEMBER 19 2020......SUNRISE 7:17 AM CST SUNSET 4:24 PM CST  
DECEMBER 20 2020......SUNRISE 7:17 AM CST SUNSET 4:25 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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