789  
CDUS43 KLOT 240631  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT SUN AUG 24 2025  
   
...............................  
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR AUGUST 23 2025...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1996 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 85 12:48 PM 99 2023 81 4 83  
MINIMUM 63 11:59 PM 53 1997 64 -1 54  
AVERAGE 74 73 1 69  
 
PRECIPITATION (IN)  
YESTERDAY T 1.97 2007 0.13 -0.13 0.00  
MONTH TO DATE 3.16 2.71 0.45 0.82  
SINCE JUN 1 9.90 9.83 0.07 11.09  
SINCE JAN 1 17.67 21.35 -3.68 25.38  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 2  
SINCE JUN 1 21 40 -19 16  
SINCE JUL 1 0 3 -3 5  
 
COOLING  
YESTERDAY 9 8 1 4  
MONTH TO DATE 266 208 58 171  
SINCE JUN 1 898 699 199 723  
SINCE JAN 1 919 759 160 760    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 9.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 6:00 AM  
LOWEST 43 12:00 PM  
AVERAGE 64  
   
......................................................  
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 100 2023  
MINIMUM TEMPERATURE (F) 64 55 2009  
 
SUNRISE AND SUNSET  
AUGUST 24 2025........SUNRISE 6:09 AM CDT SUNSET 7:38 PM CDT  
AUGUST 25 2025........SUNRISE 6:10 AM CDT SUNSET 7:36 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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