150  
CDUS43 KLOT 130637  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
137 AM CDT SUN JUL 13 2025  
   
...............................  
 
   
..THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR JULY 12 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 5:19 PM 91 2016 84 1 84  
MINIMUM 68 6:01 AM 55 2009 66 2 63  
AVERAGE 77 75 2 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.22 2017 0.11 -0.11 0.00  
MONTH TO DATE 1.92 1.28 0.64 1.39  
SINCE JUN 1 5.22 5.25 -0.03 5.97  
SINCE JAN 1 12.99 16.77 -3.78 20.26  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 3  
SINCE JUN 1 21 37 -16 14  
SINCE JUL 1 0 0 0 3  
 
COOLING  
YESTERDAY 12 10 2 9  
MONTH TO DATE 147 116 31 111  
SINCE JUN 1 411 297 114 368  
SINCE JAN 1 432 357 75 405    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 7.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 57 5:00 PM  
AVERAGE 79  
   
......................................................  
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 95 1997  
2019  
MINIMUM TEMPERATURE (F) 66 56 1999  
2007  
 
SUNRISE AND SUNSET  
JULY 13 2025..........SUNRISE 5:28 AM CDT SUNSET 8:27 PM CDT  
JULY 14 2025..........SUNRISE 5:28 AM CDT SUNSET 8:26 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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