805  
CDUS43 KLOT 290723  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
223 AM CDT FRI SEP 29 2023  
   
...............................
 
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 28 2023...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1996 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 69 3:07 PM 85 2013 71 -2 60  
MINIMUM 60 11:58 PM 42 2006 51 9 43  
AVERAGE 65 61 4 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.86 1999 0.09 -0.07 0.00  
MONTH TO DATE 2.89 2.84 0.05 3.28  
SINCE SEP 1 2.89 2.84 0.05 3.28  
SINCE JAN 1 23.80 25.18 -1.38 28.21  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 13  
MONTH TO DATE 34 70 -36 60  
SINCE SEP 1 34 70 -36 60  
SINCE JUL 1 38 77 -39 60  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 115 104 11 135  
SINCE SEP 1 115 104 11 135  
SINCE JAN 1 835 918 -83 1115    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 5.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 AM  
LOWEST 73 12:00 PM  
AVERAGE 83  
   
......................................................
 
 
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 2023.....SUNRISE 6:46 AM CDT SUNSET 6:37 PM CDT  
SEPTEMBER 30 2023.....SUNRISE 6:47 AM CDT SUNSET 6:35 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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