667  
CDUS43 KLOT 032134  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT TUE AUG 03 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 3 2021...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 82 2:59 PM 95 2012 83 -1  
MINIMUM 59 5:33 AM 54 2000 63 -4  
AVERAGE 71 73 -2  
 
PRECIPITATION (IN)  
TODAY 0.00 1.45 2010 0.14 -0.14  
MONTH TO DATE 0.00 0.42 -0.42  
SINCE JUN 1 9.20 7.69 1.51  
SINCE JAN 1 14.35 19.95 -5.60  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0  
MONTH TO DATE 0 0 0  
SINCE JUN 1 11 37 -26  
SINCE JUL 1 0 4 -4  
 
COOLING  
TODAY 6 8 -2  
MONTH TO DATE 11 24 -13  
SINCE JUN 1 522 471 51  
SINCE JAN 1 603 527 76    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 2.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 95 2018  
MINIMUM TEMPERATURE (F) 63 53 2000  
 
SUNRISE AND SUNSET  
AUGUST 3 2021........SUNRISE 5:49 AM CDT SUNSET 8:09 PM CDT  
AUGUST 4 2021........SUNRISE 5:50 AM CDT SUNSET 8:07 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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