352  
CDUS43 KLOT 182138  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
438 PM CDT MON AUG 18 2025  
   
...............................  
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR AUGUST 18 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 88R 2:59 PM 88 2016 82 6 79  
MINIMUM 71 7:12 AM 53 2012 65 6 68  
AVERAGE 80 73 7 74  
 
PRECIPITATION (IN)  
TODAY 0.48 1.65 2016 0.13 0.35 T  
MONTH TO DATE 2.09 2.10 -0.01 0.82  
SINCE JUN 1 8.83 9.22 -0.39 11.09  
SINCE JAN 1 16.60 20.74 -4.14 25.38  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 21 40 -19 14  
SINCE JUL 1 0 3 -3 3  
 
COOLING  
TODAY 15 8 7 9  
MONTH TO DATE 228 168 60 161  
SINCE JUN 1 860 659 201 713  
SINCE JAN 1 881 719 162 750    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 8.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 6:00 AM  
LOWEST 68 3:00 PM  
AVERAGE 83  
   
......................................................  
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 89 2005  
MINIMUM TEMPERATURE (F) 65 56 1997  
 
SUNRISE AND SUNSET  
AUGUST 18 2025........SUNRISE 6:03 AM CDT SUNSET 7:47 PM CDT  
AUGUST 19 2025........SUNRISE 6:04 AM CDT SUNSET 7:46 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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