348  
CDUS43 KLOT 040650  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1250 AM CST THU FEB 04 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 3 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 12:51 PM 48 2020 33 -1 48  
MINIMUM 7 7:55 AM -12 2011 17 -10 24  
AVERAGE 20 25 -5 36  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.37 0.04 -0.04 0.00  
MONTH TO DATE 0.00 0.11 -0.11 0.01  
SINCE DEC 1 2.59 3.14 -0.55 3.67  
SINCE JAN 1 0.74 1.42 -0.68 2.29  
 
DEGREE DAYS  
HEATING  
YESTERDAY 45 40 5 29  
MONTH TO DATE 127 120 7 87  
SINCE DEC 1 2388 2581 -193 2212  
SINCE JUL 1 3559 3835 -276 3588  
 
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 4 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 5.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 59 2008  
MINIMUM TEMPERATURE (F) 17 -7 2007  
 
SUNRISE AND SUNSET  
FEBRUARY 4 2021......SUNRISE 7:02 AM CST SUNSET 5:12 PM CST  
FEBRUARY 5 2021......SUNRISE 7:01 AM CST SUNSET 5:14 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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