566  
CDUS43 KLOT 260640  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1240 AM CST SAT DEC 26 2020  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 25 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 22 3:06 PM 58 2019 32 -10 58  
MINIMUM 6 4:30 AM -12 2000 17 -11 33  
AVERAGE 14 25 -11 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.32 0.05 -0.05 0.00  
MONTH TO DATE 1.29 1.47 -0.18 0.07  
SINCE DEC 1 1.29 1.47 -0.18 0.07  
SINCE JAN 1 31.48 36.66 -5.18 41.93  
 
DEGREE DAYS  
HEATING  
YESTERDAY 51 40 11 19  
MONTH TO DATE 837 925 -88 844  
SINCE DEC 1 837 925 -88 844  
SINCE JUL 1 2008 2179 -171 2220  
 
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 11 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 12.7  
 
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) 32 61 2019  
MINIMUM TEMPERATURE (F) 17 -6 2017  
 
SUNRISE AND SUNSET  
DECEMBER 26 2020......SUNRISE 7:20 AM CST SUNSET 4:28 PM CST  
DECEMBER 27 2020......SUNRISE 7:20 AM CST SUNSET 4:29 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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