992  
CDUS43 KLOT 180632  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT WED SEP 18 2024  
   
...............................  
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 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 83 1:59 PM 92 2018 75 8 68  
MINIMUM 57 5:45 AM 45 1999 56 1 53  
2014  
AVERAGE 70 66 4 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.45 2023 0.09 -0.09 1.45  
MONTH TO DATE 0.00 1.73 -1.73 2.18  
SINCE SEP 1 0.00 1.73 -1.73 2.18  
SINCE JAN 1 26.39 24.07 2.32 23.09  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 4  
MONTH TO DATE 16 24 -8 25  
SINCE SEP 1 16 24 -8 25  
SINCE JUL 1 21 31 -10 29  
 
COOLING  
YESTERDAY 5 3 2 0  
MONTH TO DATE 76 79 -3 83  
SINCE SEP 1 76 79 -3 83  
SINCE JAN 1 945 893 52 803    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 2.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 5:00 AM  
LOWEST 33 3:00 PM  
AVERAGE 65  
   
......................................................  
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 89 2007  
MINIMUM TEMPERATURE (F) 55 42 2012  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2024.....SUNRISE 6:35 AM CDT SUNSET 6:55 PM CDT  
SEPTEMBER 19 2024.....SUNRISE 6:36 AM CDT SUNSET 6:53 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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