459  
CDUS43 KLOT 110633  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT MON AUG 11 2025  
   
...............................  
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR AUGUST 10 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 11:17 AM 94 2021 83 7 75  
MINIMUM 75 5:48 AM 56 2008 66 9 57  
AVERAGE 83 74 9 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.16 0.57 2017 0.11 0.05 0.00  
MONTH TO DATE 0.16 1.09 -0.93 0.50  
SINCE JUN 1 6.90 8.21 -1.31 10.77  
SINCE JAN 1 14.67 19.73 -5.06 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 18 9 9 1  
MONTH TO DATE 115 98 17 92  
SINCE JUN 1 747 589 158 644  
SINCE JAN 1 768 649 119 681    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 9.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 12:00 PM  
LOWEST 52 10:00 AM  
AVERAGE 70  
   
......................................................  
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 95 2002  
MINIMUM TEMPERATURE (F) 66 54 2004  
 
SUNRISE AND SUNSET  
AUGUST 11 2025........SUNRISE 5:55 AM CDT SUNSET 7:57 PM CDT  
AUGUST 12 2025........SUNRISE 5:56 AM CDT SUNSET 7:56 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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