066  
CDUS43 KLOT 280635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1235 AM CST THU JAN 28 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 27 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 26 3:34 PM 58 2002 32 -6 34  
MINIMUM 7 9:49 PM -14 2019 16 -9 27  
AVERAGE 17 24 -7 31  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.44 0.04 -0.04 0.00  
MONTH TO DATE 0.64 1.12 -0.48 2.26  
SINCE DEC 1 2.49 2.84 -0.35 3.64  
SINCE JAN 1 0.64 1.12 -0.48 2.26  
 
DEGREE DAYS  
HEATING  
YESTERDAY 48 41 7 34  
MONTH TO DATE 1021 1127 -106 980  
SINCE DEC 1 2094 2300 -206 1988  
SINCE JUL 1 3265 3554 -289 3364  
 
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 11 RESULTANT WIND DIRECTION N (350)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 10.7  
 
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 52 2002  
MINIMUM TEMPERATURE (F) 16 -14 2014  
 
SUNRISE AND SUNSET  
JANUARY 28 2021.......SUNRISE 7:09 AM CST SUNSET 5:03 PM CST  
JANUARY 29 2021.......SUNRISE 7:08 AM CST SUNSET 5:05 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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