756  
CDUS43 KLOT 030637  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
137 AM CDT TUE AUG 03 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 2 2021...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
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 78 12:14 PM 97 2006 83 -5 85  
MINIMUM 54R 2:30 AM 54 2009 63 -9 63  
AVERAGE 66 73 -7 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.93 0.14 -0.14 0.06  
MONTH TO DATE 0.00 0.28 -0.28 0.14  
SINCE JUN 1 9.20 7.55 1.65 2.33  
SINCE JAN 1 14.35 19.81 -5.46 20.23  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 11 37 -26 16  
SINCE JUL 1 0 4 -4 0  
 
COOLING  
YESTERDAY 1 8 -7 9  
MONTH TO DATE 5 16 -11 15  
SINCE JUN 1 516 463 53 598  
SINCE JAN 1 597 519 78 649    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 3.1  
 
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) 83 95 2012  
MINIMUM TEMPERATURE (F) 63 54 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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