702  
CDUS43 KLOT 310636  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
136 AM CDT THU JUL 31 2025  
   
...............................
 
 
   
..THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR JULY 30 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 80 10:28 AM 102 1999 84 -4 91  
MINIMUM 69 10:29 PM 57 1997 66 3 67  
2003  
2013  
AVERAGE 75 75 0 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.60R 0.15 2009 0.10 0.50 0.00  
MONTH TO DATE 3.44 3.05 0.39 5.60  
SINCE JUN 1 6.74 7.02 -0.28 10.18  
SINCE JAN 1 14.51 18.54 -4.03 24.47  
 
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 10 10 0 14  
MONTH TO DATE 362 296 66 278  
SINCE JUN 1 626 477 149 535  
SINCE JAN 1 647 537 110 572    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 6.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 9:00 PM  
LOWEST 74 10:00 AM  
AVERAGE 85  
   
......................................................
 
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 98 2002  
2006  
MINIMUM TEMPERATURE (F) 66 56 1997  
 
SUNRISE AND SUNSET  
JULY 31 2025..........SUNRISE 5:44 AM CDT SUNSET 8:11 PM CDT  
AUGUST 1 2025........SUNRISE 5:45 AM CDT SUNSET 8:10 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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