420  
CDUS43 KLOT 290632  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT SUN SEP 29 2024  
   
...............................
 
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 28 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 72 7:10 PM 85 2013 71 1 69  
MINIMUM 66 11:09 AM 42 2006 51 15 60  
AVERAGE 69 61 8 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.86 1999 0.09 -0.08 0.02  
MONTH TO DATE 0.99 2.84 -1.85 2.89  
SINCE SEP 1 0.99 2.84 -1.85 2.89  
SINCE JAN 1 27.38 25.18 2.20 23.80  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 0  
MONTH TO DATE 20 70 -50 34  
SINCE SEP 1 20 70 -50 34  
SINCE JUL 1 25 77 -52 38  
 
COOLING  
YESTERDAY 4 2 2 0  
MONTH TO DATE 127 104 23 115  
SINCE SEP 1 127 104 23 115  
SINCE JAN 1 996 918 78 835    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 12.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 10:00 AM  
LOWEST 63 7:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 85 2002  
MINIMUM TEMPERATURE (F) 51 38 2006  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2024.....SUNRISE 6:47 AM CDT SUNSET 6:36 PM CDT  
SEPTEMBER 30 2024.....SUNRISE 6:48 AM CDT SUNSET 6:34 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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