117  
CDUS43 KLOT 020637  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1237 AM CST TUE FEB 02 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 1 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 32 3:24 PM 51 1999 33 -1 35  
MINIMUM 18 10:52 PM -2 2013 16 2 32  
AVERAGE 25 25 0 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.73 0.03 -0.03 0.01  
MONTH TO DATE 0.00 0.03 -0.03 0.01  
SINCE DEC 1 2.59 3.06 -0.47 3.67  
SINCE JAN 1 0.74 1.34 -0.60 2.29  
 
DEGREE DAYS  
HEATING  
YESTERDAY 40 40 0 31  
MONTH TO DATE 40 40 0 31  
SINCE DEC 1 2301 2501 -200 2156  
SINCE JUL 1 3472 3755 -283 3532  
 
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 NW (330)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 10.9  
 
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) 33 49 2020  
MINIMUM TEMPERATURE (F) 17 -7 2014  
 
SUNRISE AND SUNSET  
FEBRUARY 2 2021......SUNRISE 7:04 AM CST SUNSET 5:10 PM CST  
FEBRUARY 3 2021......SUNRISE 7:03 AM CST SUNSET 5:11 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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