053  
CDUS43 KLOT 120634  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT TUE AUG 12 2025  
   
...............................
 
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR AUGUST 11 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 90 3:38 PM 95 2002 83 7 79  
MINIMUM 72 9:48 PM 54 2004 66 6 58  
AVERAGE 81 74 7 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.26 0.90 2014 0.12 0.14 0.00  
MONTH TO DATE 0.42 1.21 -0.79 0.50  
SINCE JUN 1 7.16 8.33 -1.17 10.77  
SINCE JAN 1 14.93 19.85 -4.92 25.06  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 21 40 -19 14  
SINCE JUL 1 0 3 -3 3  
 
COOLING  
YESTERDAY 16 9 7 4  
MONTH TO DATE 131 107 24 96  
SINCE JUN 1 763 598 165 648  
SINCE JAN 1 784 658 126 685    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 7.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 10:00 PM  
LOWEST 47 3:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 90 2002  
MINIMUM TEMPERATURE (F) 66 50 2004  
 
SUNRISE AND SUNSET  
AUGUST 12 2025........SUNRISE 5:56 AM CDT SUNSET 7:56 PM CDT  
AUGUST 13 2025........SUNRISE 5:58 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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