213  
CDUS43 KLOT 030643  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
143 AM CDT WED SEP 03 2025  
   
...............................  
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 2 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 79 2:17 PM 95 2008 80 -1 74  
MINIMUM 57 5:22 AM 49 2017 61 -4 57  
AVERAGE 68 70 -2 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.47 2010 0.11 -0.11 0.00  
MONTH TO DATE 0.00 0.23 -0.23 0.00  
SINCE SEP 1 0.00 0.23 -0.23 0.00  
SINCE JAN 1 17.77 22.57 -4.80 26.39  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 1 -1 0  
SINCE SEP 1 0 1 -1 0  
SINCE JUL 1 8 8 0 5  
 
COOLING  
YESTERDAY 3 6 -3 1  
MONTH TO DATE 5 12 -7 3  
SINCE SEP 1 5 12 -7 3  
SINCE JAN 1 929 826 103 872    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 2.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 47 11:00 AM  
AVERAGE 70  
   
......................................................  
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 93 2023  
MINIMUM TEMPERATURE (F) 61 49 1997  
 
SUNRISE AND SUNSET  
SEPTEMBER 3 2025.....SUNRISE 6:19 AM CDT SUNSET 7:21 PM CDT  
SEPTEMBER 4 2025.....SUNRISE 6:21 AM CDT SUNSET 7:20 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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