541  
CDUS43 KLOT 030636  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1236 AM CST SUN JAN 03 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 2 2021...  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 33 6:41 PM 60 2004 31 2 47  
MINIMUM 26 7:35 AM -14 2018 16 10 35  
AVERAGE 30 24 6 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.43 0.05 -0.05 0.00  
MONTH TO DATE 0.23 0.11 0.12 0.00  
SINCE DEC 1 2.08 1.83 0.25 1.38  
SINCE JAN 1 0.23 0.11 0.12 0.00  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 41 -6 24  
MONTH TO DATE 77 82 -5 61  
SINCE DEC 1 1150 1255 -105 1069  
SINCE JUL 1 2321 2509 -188 2445  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION N (360)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 6.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 57 1998  
MINIMUM TEMPERATURE (F) 16 -12 2014  
 
SUNRISE AND SUNSET  
JANUARY 3 2021.......SUNRISE 7:21 AM CST SUNSET 4:35 PM CST  
JANUARY 4 2021.......SUNRISE 7:21 AM CST SUNSET 4:36 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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