702  
CDUS43 KLOT 140700  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
100 AM CST MON DEC 14 2020  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 13 2020...  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1997 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 34 2:39 PM 61 2015 36 -2 44  
MINIMUM 25 8:03 AM -9 2000 20 5 29  
AVERAGE 30 28 2 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.04 0.06 -0.06 0.00  
MONTH TO DATE 1.13 0.81 0.32 0.07  
SINCE DEC 1 1.13 0.81 0.32 0.07  
SINCE JAN 1 31.32 36.00 -4.68 41.93  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 37 -2 28  
MONTH TO DATE 406 455 -49 435  
SINCE DEC 1 406 455 -49 435  
SINCE JUL 1 1577 1709 -132 1811  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 943 814 129 1003    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 6.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 61 2015  
MINIMUM TEMPERATURE (F) 19 -5 2016  
 
SUNRISE AND SUNSET  
DECEMBER 14 2020......SUNRISE 7:13 AM CST SUNSET 4:22 PM CST  
DECEMBER 15 2020......SUNRISE 7:14 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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