288  
CDUS43 KLOT 220730  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
230 AM CDT WED OCT 22 2025  
   
...............................  
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR OCTOBER 21 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 56 11:21 AM 81 2024 60 -4 81  
MINIMUM 46 6:43 PM 28 2018 43 3 51  
AVERAGE 51 51 0 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 0.11 2020 0.09 -0.01 0.00  
MONTH TO DATE 1.72 2.21 -0.49 0.24  
SINCE SEP 1 3.42 5.25 -1.83 1.23  
SINCE JAN 1 21.19 27.59 -6.40 27.62  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 14 0 0  
MONTH TO DATE 112 211 -99 145  
SINCE SEP 1 146 293 -147 165  
SINCE JUL 1 154 300 -146 170  
 
COOLING  
YESTERDAY 0 0 0 1  
MONTH TO DATE 45 11 34 5  
SINCE SEP 1 185 117 68 143  
SINCE JAN 1 1109 931 178 1012    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 12.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 5:00 AM  
LOWEST 52 12:00 PM  
AVERAGE 69  
   
......................................................  
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 79 2022  
MINIMUM TEMPERATURE (F) 42 31 2013  
 
SUNRISE AND SUNSET  
OCTOBER 22 2025.......SUNRISE 7:13 AM CDT SUNSET 5:59 PM CDT  
OCTOBER 23 2025.......SUNRISE 7:14 AM CDT SUNSET 5:57 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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