494  
CDUS43 KLOT 300643  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
143 AM CDT SAT AUG 30 2025  
   
...............................  
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR AUGUST 29 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 70 11:34 AM 94 2010 80 -10 83  
MINIMUM 53R 5:41 AM 55 2004 62 -9 71  
AVERAGE 62 71 -9 77  
 
PRECIPITATION (IN)  
YESTERDAY T 0.71 2015 0.13 -0.13 0.00  
MONTH TO DATE 3.26 3.44 -0.18 1.52  
SINCE JUN 1 10.00 10.56 -0.56 11.79  
SINCE JAN 1 17.77 22.08 -4.31 26.08  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 0 3 0  
MONTH TO DATE 6 0 6 2  
SINCE JUN 1 27 40 -13 16  
SINCE JUL 1 6 3 3 5  
 
COOLING  
YESTERDAY 0 7 -7 12  
MONTH TO DATE 271 251 20 263  
SINCE JUN 1 903 742 161 815  
SINCE JAN 1 924 802 122 852    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 3.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 4:00 AM  
LOWEST 57 11:00 AM  
AVERAGE 75  
   
......................................................  
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 96 2013  
MINIMUM TEMPERATURE (F) 62 49 2009  
 
SUNRISE AND SUNSET  
AUGUST 30 2025........SUNRISE 6:15 AM CDT SUNSET 7:28 PM CDT  
AUGUST 31 2025........SUNRISE 6:16 AM CDT SUNSET 7:26 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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