900  
CDUS43 KLOT 302134  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT MON SEP 30 2024  
   
...............................
 
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 30 2024...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 78 1:19 PM 87 2019 70 8 82  
MINIMUM 61 6:13 AM 37 2003 51 10 56  
AVERAGE 70 60 10 69  
 
PRECIPITATION (IN)  
TODAY 0.00 0.27 1998 0.10 -0.10 0.00  
MONTH TO DATE 0.99 3.04 -2.05 2.89  
SINCE SEP 1 0.99 3.04 -2.05 2.89  
SINCE JAN 1 27.38 25.38 2.00 23.80  
 
DEGREE DAYS  
HEATING  
TODAY 0 6 -6 0  
MONTH TO DATE 20 82 -62 34  
SINCE SEP 1 20 82 -62 34  
SINCE JUL 1 25 89 -64 38  
 
COOLING  
TODAY 5 1 4 4  
MONTH TO DATE 138 106 32 119  
SINCE SEP 1 138 106 32 119  
SINCE JAN 1 1007 920 87 839    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 5.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 6:00 AM  
LOWEST 63 12:00 AM  
AVERAGE 80  
   
......................................................
 
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 88 2019  
MINIMUM TEMPERATURE (F) 50 31 2003  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2024.....SUNRISE 6:48 AM CDT SUNSET 6:34 PM CDT  
OCTOBER 1 2024.......SUNRISE 6:49 AM CDT SUNSET 6:32 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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