259  
CDUS43 KLOT 222135  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CDT FRI AUG 22 2025  
   
...............................  
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR AUGUST 22 2025...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 82 12:08 PM 90 1996 81 1 81  
2007  
2020  
MINIMUM 63 5:15 AM 51 2004 64 -1 52  
AVERAGE 73 73 0 67  
 
PRECIPITATION (IN)  
TODAY 0.00 1.34 2001 0.12 -0.12 0.00  
MONTH TO DATE 3.16 2.58 0.58 0.82  
SINCE JUN 1 9.90 9.70 0.20 11.09  
SINCE JAN 1 17.67 21.22 -3.55 25.38  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 2  
SINCE JUN 1 21 40 -19 16  
SINCE JUL 1 0 3 -3 5  
 
COOLING  
TODAY 8 8 0 2  
MONTH TO DATE 257 200 57 167  
SINCE JUN 1 889 691 198 719  
SINCE JAN 1 910 751 159 756    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 3:00 AM  
LOWEST 53 1:00 PM  
AVERAGE 73  
   
......................................................  
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 99 2023  
MINIMUM TEMPERATURE (F) 64 53 1997  
 
SUNRISE AND SUNSET  
AUGUST 22 2025........SUNRISE 6:07 AM CDT SUNSET 7:41 PM CDT  
AUGUST 23 2025........SUNRISE 6:08 AM CDT SUNSET 7:39 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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