584  
CDUS43 KLOT 300659  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
159 AM CDT MON SEP 30 2024  
   
...............................  
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 29 2024...  
 
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)  
YESTERDAY  
MAXIMUM 74 4:00 PM 85 2002 70 4 74  
MINIMUM 67 9:51 PM 38 2006 51 16 55  
AVERAGE 71 61 10 65  
 
PRECIPITATION (IN)  
YESTERDAY T 0.72 2008 0.10 -0.10 0.00  
MONTH TO DATE 0.99 2.94 -1.95 2.89  
SINCE SEP 1 0.99 2.94 -1.95 2.89  
SINCE JAN 1 27.38 25.28 2.10 23.80  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 0  
MONTH TO DATE 20 76 -56 34  
SINCE SEP 1 20 76 -56 34  
SINCE JUL 1 25 83 -58 38  
 
COOLING  
YESTERDAY 6 2 4 0  
MONTH TO DATE 133 106 27 115  
SINCE SEP 1 133 106 27 115  
SINCE JAN 1 1002 920 82 835    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 9.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 9:00 PM  
LOWEST 64 3:00 PM  
AVERAGE 77  
   
......................................................  
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 87 2019  
MINIMUM TEMPERATURE (F) 51 37 2003  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2024.....SUNRISE 6:48 AM CDT SUNSET 6:34 PM CDT  
OCTOBER 1 2024.......SUNRISE 6:49 AM CDT SUNSET 6:32 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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