503  
CDUS43 KLOT 110633  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT MON SEP 11 2023  
   
...............................
 
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 10 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 82 3:00 PM 96 2013 77 5 85  
MINIMUM 51 5:43 AM 45 1999 59 -8 59  
2008  
AVERAGE 67 68 -1 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.65 2014 0.09 -0.09 0.00  
MONTH TO DATE 0.14 1.07 -0.93 T  
SINCE SEP 1 0.14 1.07 -0.93 T  
SINCE JAN 1 21.05 23.41 -2.36 24.93  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 4 9 -5 0  
SINCE SEP 1 4 9 -5 0  
SINCE JUL 1 8 16 -8 0  
 
COOLING  
YESTERDAY 2 4 -2 7  
MONTH TO DATE 83 53 30 79  
SINCE SEP 1 83 53 30 79  
SINCE JAN 1 803 867 -64 1059    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 2.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 2:00 AM  
LOWEST 38 3:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 92 2013  
MINIMUM TEMPERATURE (F) 58 45 1999  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2023.....SUNRISE 6:27 AM CDT SUNSET 7:08 PM CDT  
SEPTEMBER 12 2023.....SUNRISE 6:28 AM CDT SUNSET 7:07 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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