474  
CDUS43 KLOT 082209  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
509 PM CDT THU APR 08 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR APRIL 8 2021...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 63 3:58 AM 77 2001 58 5  
MINIMUM 53 9:29 AM 18 2018 35 18  
AVERAGE 58 47 11  
 
PRECIPITATION (IN)  
TODAY 0.25 0.98 2002 0.09 0.16  
MONTH TO DATE 0.45 0.72 -0.27  
SINCE MAR 1 1.34 3.08 -1.74  
SINCE JAN 1 2.50 5.81 -3.31  
 
DEGREE DAYS  
HEATING  
TODAY 7 18 -11  
MONTH TO DATE 89 157 -68  
SINCE MAR 1 794 993 -199  
SINCE JUL 1 5593 5748 -155  
 
COOLING  
TODAY 0 0 0  
MONTH TO DATE 4 0 4  
SINCE MAR 1 4 0 4  
SINCE JAN 1 4 0 4    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 7.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 75 2017  
MINIMUM TEMPERATURE (F) 36 21 2003  
 
SUNRISE AND SUNSET  
APRIL 8 2021.........SUNRISE 6:24 AM CDT SUNSET 7:27 PM CDT  
APRIL 9 2021.........SUNRISE 6:22 AM CDT SUNSET 7:28 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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