780  
CDUS43 KLOT 210656  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
156 AM CDT SUN MAR 21 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MARCH 20 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 57 4:21 PM 83 2012 50 7 61  
MINIMUM 23 6:03 AM 13 2013 29 -6 30  
AVERAGE 40 40 0 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.27 0.07 -0.07 0.05  
MONTH TO DATE 0.51 1.43 -0.92 1.77  
SINCE MAR 1 0.51 1.43 -0.92 1.77  
SINCE JAN 1 1.67 4.16 -2.49 4.42  
 
DEGREE DAYS  
HEATING  
YESTERDAY 25 25 0 19  
MONTH TO DATE 511 580 -69 490  
SINCE MAR 1 511 580 -69 490  
SINCE JUL 1 5310 5335 -25 5080  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 6.3  
 
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) 50 83 2012  
MINIMUM TEMPERATURE (F) 30 12 2013  
 
SUNRISE AND SUNSET  
MARCH 21 2021.........SUNRISE 6:54 AM CDT SUNSET 7:07 PM CDT  
MARCH 22 2021.........SUNRISE 6:52 AM CDT SUNSET 7:08 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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