059  
CDUS43 KLOT 212139  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
439 PM CDT SAT SEP 21 2024  
   
...............................
 
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 21 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 91 2:59 PM 93 2017 74 17 78  
MINIMUM 56 4:53 AM 40 2006 54 2 63  
AVERAGE 74 64 10 71  
 
PRECIPITATION (IN)  
TODAY 0.00 0.46 2016 0.11 -0.11 0.03  
MONTH TO DATE 0.07 2.14 -2.07 2.50  
SINCE SEP 1 0.07 2.14 -2.07 2.50  
SINCE JAN 1 26.46 24.48 1.98 23.41  
 
DEGREE DAYS  
HEATING  
TODAY 0 4 -4 0  
MONTH TO DATE 16 37 -21 34  
SINCE SEP 1 16 37 -21 34  
SINCE JUL 1 21 44 -23 38  
 
COOLING  
TODAY 9 2 7 6  
MONTH TO DATE 112 90 22 92  
SINCE SEP 1 112 90 22 92  
SINCE JAN 1 981 904 77 812    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 3.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 5:00 AM  
LOWEST 26 3:00 PM  
AVERAGE 61  
   
......................................................
 
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 96 2017  
MINIMUM TEMPERATURE (F) 54 39 1999  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2024.....SUNRISE 6:38 AM CDT SUNSET 6:50 PM CDT  
SEPTEMBER 22 2024.....SUNRISE 6:40 AM CDT SUNSET 6:48 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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