774  
CDUS43 KLOT 260645  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1245 AM CST TUE JAN 26 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 25 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 2:16 PM 48 2002 32 1 34  
MINIMUM 27 7:17 AM -11 2008 16 11 32  
AVERAGE 30 24 6 33  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 0.14 0.05 -0.02 0.06  
MONTH TO DATE 0.55 1.03 -0.48 2.26  
SINCE DEC 1 2.40 2.75 -0.35 3.64  
SINCE JAN 1 0.55 1.03 -0.48 2.26  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 41 -6 32  
MONTH TO DATE 936 1045 -109 911  
SINCE DEC 1 2009 2218 -209 1919  
SINCE JUL 1 3180 3472 -292 3295  
 
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 12 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 13.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 53 2002  
MINIMUM TEMPERATURE (F) 16 -17 2019  
 
SUNRISE AND SUNSET  
JANUARY 26 2021.......SUNRISE 7:11 AM CST SUNSET 5:01 PM CST  
JANUARY 27 2021.......SUNRISE 7:10 AM CST SUNSET 5:02 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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