844  
CDUS43 KLOT 080635  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT FRI SEP 08 2023  
   
...............................
 
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 7 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 71 12:57 AM 89 2005 78 -7 80  
2021  
MINIMUM 63 11:59 PM 51 2011 60 3 62  
AVERAGE 67 69 -2 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.86 1998 0.10 -0.08 0.00  
MONTH TO DATE 0.14 0.77 -0.63 T  
SINCE SEP 1 0.14 0.77 -0.63 T  
SINCE JAN 1 21.05 23.11 -2.06 24.93  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 6 -6 0  
SINCE SEP 1 0 6 -6 0  
SINCE JUL 1 4 13 -9 0  
 
COOLING  
YESTERDAY 2 5 -3 6  
MONTH TO DATE 81 39 42 58  
SINCE SEP 1 81 39 42 58  
SINCE JAN 1 801 853 -52 1038    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 7.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 3:00 AM  
LOWEST 70 2:00 PM  
AVERAGE 82  
   
......................................................
 
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 92 2002  
MINIMUM TEMPERATURE (F) 59 52 2008  
2010  
 
SUNRISE AND SUNSET  
SEPTEMBER 8 2023.....SUNRISE 6:24 AM CDT SUNSET 7:14 PM CDT  
SEPTEMBER 9 2023.....SUNRISE 6:25 AM CDT SUNSET 7:12 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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