696  
CDUS43 KLOT 270633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1233 AM CST SUN DEC 27 2020  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 26 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 33 3:13 PM 61 2019 32 1 61  
MINIMUM 16 7:30 AM -6 2017 17 -1 36  
AVERAGE 25 24 1 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.35 0.04 -0.04 0.00  
MONTH TO DATE 1.29 1.51 -0.22 0.07  
SINCE DEC 1 1.29 1.51 -0.22 0.07  
SINCE JAN 1 31.48 36.70 -5.22 41.93  
 
DEGREE DAYS  
HEATING  
YESTERDAY 40 41 -1 16  
MONTH TO DATE 877 966 -89 860  
SINCE DEC 1 877 966 -89 860  
SINCE JUL 1 2048 2220 -172 2236  
 
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 4 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 5.0  
 
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 60 2008  
MINIMUM TEMPERATURE (F) 16 -8 2017  
 
SUNRISE AND SUNSET  
DECEMBER 27 2020......SUNRISE 7:20 AM CST SUNSET 4:29 PM CST  
DECEMBER 28 2020......SUNRISE 7:20 AM CST SUNSET 4:30 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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