841  
CDUS43 KLOT 020633  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT TUE SEP 02 2025  
   
...............................
 
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 1 2025...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1996 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 78 1:35 PM 94 2000 80 -2 75  
2011  
MINIMUM 55 2:40 AM 46 2009 62 -7 58  
AVERAGE 67 71 -4 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.14 2018 0.12 -0.12 0.00  
MONTH TO DATE 0.00 0.12 -0.12 0.00  
SINCE SEP 1 0.00 0.12 -0.12 0.00  
SINCE JAN 1 17.77 22.46 -4.69 26.39  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 8 7 1 5  
 
COOLING  
YESTERDAY 2 6 -4 2  
MONTH TO DATE 2 6 -4 2  
SINCE SEP 1 2 6 -4 2  
SINCE JAN 1 926 820 106 871    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 3.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 4:00 AM  
LOWEST 39 12:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 95 2008  
MINIMUM TEMPERATURE (F) 61 49 2017  
 
SUNRISE AND SUNSET  
SEPTEMBER 2 2025.....SUNRISE 6:18 AM CDT SUNSET 7:23 PM CDT  
SEPTEMBER 3 2025.....SUNRISE 6:19 AM CDT SUNSET 7:21 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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