872  
CDUS43 KLOT 010633  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT FRI AUG 01 2025  
   
...............................  
 
   
..THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR JULY 31 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 76 3:20 PM 98 2002 84 -8 93  
2006  
MINIMUM 65 11:59 PM 56 1997 66 -1 70  
AVERAGE 71 75 -4 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.65 2010 0.10 -0.10 0.09  
MONTH TO DATE 3.44 3.15 0.29 5.69  
SINCE JUN 1 6.74 7.12 -0.38 10.27  
SINCE JAN 1 14.51 18.64 -4.13 24.56  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 3  
SINCE JUN 1 21 37 -16 14  
SINCE JUL 1 0 0 0 3  
 
COOLING  
YESTERDAY 6 10 -4 17  
MONTH TO DATE 368 310 58 295  
SINCE JUN 1 632 491 141 552  
SINCE JAN 1 653 551 102 589    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 11.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 12:00 AM  
LOWEST 53 9:00 AM  
AVERAGE 72  
   
......................................................  
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 99 2006  
MINIMUM TEMPERATURE (F) 66 56 2019  
 
SUNRISE AND SUNSET  
AUGUST 1 2025........SUNRISE 5:45 AM CDT SUNSET 8:10 PM CDT  
AUGUST 2 2025........SUNRISE 5:46 AM CDT SUNSET 8:09 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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