855  
CDUS43 KLOT 120642  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
142 AM CDT MON AUG 12 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 11 2024...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 78 4:13 PM 92 2016 83 -5 83  
MINIMUM 52 4:45 AM 50 2004 63 -11 65  
AVERAGE 65 73 -8 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.41 2014 0.12 -0.12 0.04  
MONTH TO DATE 0.74 1.39 -0.65 0.17  
SINCE JUN 1 10.33 8.66 1.67 10.96  
SINCE JAN 1 22.97 20.92 2.05 21.49  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 2 0 2 0  
SINCE JUN 1 18 37 -19 29  
SINCE JUL 1 5 4 1 0  
 
COOLING  
YESTERDAY 0 8 -8 9  
MONTH TO DATE 81 88 -7 77  
SINCE JUN 1 585 535 50 493  
SINCE JAN 1 639 591 48 544    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 5.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 4:00 AM  
LOWEST 42 5:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 94 2010  
MINIMUM TEMPERATURE (F) 63 48 2004  
 
SUNRISE AND SUNSET  
AUGUST 12 2024........SUNRISE 5:59 AM CDT SUNSET 7:57 PM CDT  
AUGUST 13 2024........SUNRISE 6:00 AM CDT SUNSET 7:55 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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