966  
CDUS43 KLOT 162247  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
447 PM CST WED DEC 16 2020  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 16 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 32 1:26 PM 54 2006 35 -3  
2015  
MINIMUM 27 3:51 AM 3 2013 19 8  
AVERAGE 30 27 3  
 
PRECIPITATION (IN)  
TODAY T 0.17 2001 0.05 -0.05  
MONTH TO DATE 1.13 0.97 0.16  
SINCE DEC 1 1.13 0.97 0.16  
SINCE JAN 1 31.32 36.16 -4.84  
 
DEGREE DAYS  
HEATING  
TODAY 35 38 -3  
MONTH TO DATE 522 569 -47  
SINCE DEC 1 522 569 -47  
SINCE JUL 1 1693 1823 -130  
 
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 E (70)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 7.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 54 2006  
MINIMUM TEMPERATURE (F) 18 -2 2000  
 
SUNRISE AND SUNSET  
DECEMBER 16 2020......SUNRISE 7:15 AM CST SUNSET 4:23 PM CST  
DECEMBER 17 2020......SUNRISE 7:15 AM CST SUNSET 4:23 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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