032  
CDUS43 KLOT 150640  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1240 AM CST FRI JAN 15 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 14 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 37 4:37 PM 40 2016 31 6 38  
MINIMUM 28 5:00 AM -8 2015 15 13 23  
AVERAGE 33 23 10 31  
 
PRECIPITATION (IN)  
YESTERDAY 0.14 0.34 0.04 0.10 0.00  
MONTH TO DATE 0.41 0.60 -0.19 1.23  
SINCE DEC 1 2.26 2.32 -0.06 2.61  
SINCE JAN 1 0.41 0.60 -0.19 1.23  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 42 -10 34  
MONTH TO DATE 505 586 -81 460  
SINCE DEC 1 1578 1759 -181 1468  
SINCE JUL 1 2749 3013 -264 2844  
 
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 9 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 10.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
LIGHT SNOW  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 42 2006  
MINIMUM TEMPERATURE (F) 15 -17 2009  
 
SUNRISE AND SUNSET  
JANUARY 15 2021.......SUNRISE 7:18 AM CST SUNSET 4:47 PM CST  
JANUARY 16 2021.......SUNRISE 7:18 AM CST SUNSET 4:48 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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