622  
CDUS43 KLOT 200645  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
145 AM CDT SUN JUL 20 2025  
   
...............................
 
 
   
..THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR JULY 19 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 4:38 PM 97 2013 84 1 80  
MINIMUM 70 4:49 AM 54 2003 66 4 61  
AVERAGE 78 75 3 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.61 0.79 2008 0.09 0.52 0.00  
MONTH TO DATE 2.80 1.95 0.85 4.87  
SINCE JUN 1 6.10 5.92 0.18 9.45  
SINCE JAN 1 13.87 17.44 -3.57 23.74  
 
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 13 10 3 6  
MONTH TO DATE 212 186 26 184  
SINCE JUN 1 476 367 109 441  
SINCE JAN 1 497 427 70 478    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 4.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 PM  
LOWEST 63 5:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 100 2011  
MINIMUM TEMPERATURE (F) 66 53 2009  
 
SUNRISE AND SUNSET  
JULY 20 2025..........SUNRISE 5:34 AM CDT SUNSET 8:22 PM CDT  
JULY 21 2025..........SUNRISE 5:35 AM CDT SUNSET 8:21 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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