478  
CDUS43 KLOT 250632  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT FRI AUG 25 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 24 2023...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 97R 2:39 PM 95 2021 81 16 83  
MINIMUM 74 11:59 PM 51 2005 61 13 61  
2017  
AVERAGE 86 71 15 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.68 2006 0.11 -0.11 0.00  
MONTH TO DATE 1.13 2.97 -1.84 2.93  
SINCE JUN 1 11.92 10.24 1.68 9.04  
SINCE JAN 1 22.45 22.50 -0.05 23.72  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 29 37 -8 13  
SINCE JUL 1 0 4 -4 0  
 
COOLING  
YESTERDAY 21 6 15 7  
MONTH TO DATE 184 179 5 176  
SINCE JUN 1 600 626 -26 656  
SINCE JAN 1 651 682 -31 777    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 10.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 4:00 AM  
LOWEST 56 3:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 95 2003  
MINIMUM TEMPERATURE (F) 61 46 2017  
 
SUNRISE AND SUNSET  
AUGUST 25 2023........SUNRISE 6:11 AM CDT SUNSET 7:38 PM CDT  
AUGUST 26 2023........SUNRISE 6:12 AM CDT SUNSET 7:37 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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