565  
CDUS43 KLOT 202137  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CDT FRI SEP 20 2024  
   
...............................
 
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 2024...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1996 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 89 2:59 PM 93 2017 74 15 79  
2018  
MINIMUM 67 6:00 AM 42 2006 55 12 57  
AVERAGE 78 64 14 68  
 
PRECIPITATION (IN)  
TODAY 0.07 0.75 2009 0.10 -0.03 0.06  
MONTH TO DATE 0.07 2.03 -1.96 2.47  
SINCE SEP 1 0.07 2.03 -1.96 2.47  
SINCE JAN 1 26.46 24.37 2.09 23.38  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 0  
MONTH TO DATE 16 33 -17 34  
SINCE SEP 1 16 33 -17 34  
SINCE JUL 1 21 40 -19 38  
 
COOLING  
TODAY 13 3 10 3  
MONTH TO DATE 104 88 16 86  
SINCE SEP 1 104 88 16 86  
SINCE JAN 1 973 902 71 806    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 7.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 6:00 AM  
LOWEST 30 3:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 93 2017  
MINIMUM TEMPERATURE (F) 54 40 2006  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2024.....SUNRISE 6:37 AM CDT SUNSET 6:51 PM CDT  
SEPTEMBER 21 2024.....SUNRISE 6:38 AM CDT SUNSET 6:50 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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