903  
CDUS43 KLOT 310636  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
136 AM CDT WED MAR 31 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MARCH 30 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 68 1:39 PM 78 1998 54 14 50  
MINIMUM 41 11:59 PM 21 2003 32 9 38  
2011  
2014  
AVERAGE 55 43 12 44  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.83 0.08 -0.08 0.00  
MONTH TO DATE 0.89 2.27 -1.38 3.49  
SINCE MAR 1 0.89 2.27 -1.38 3.49  
SINCE JAN 1 2.05 5.00 -2.95 6.14  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 22 -12 21  
MONTH TO DATE 678 814 -136 727  
SINCE MAR 1 678 814 -136 727  
SINCE JUL 1 5477 5569 -92 5317  
 
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 14 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 18.3  
 
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) 55 78 2010  
MINIMUM TEMPERATURE (F) 33 19 2011  
 
SUNRISE AND SUNSET  
MARCH 31 2021.........SUNRISE 6:37 AM CDT SUNSET 7:18 PM CDT  
APRIL 1 2021.........SUNRISE 6:35 AM CDT SUNSET 7:19 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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