087  
CDUS43 KLOT 100634  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1234 AM CST SUN DEC 10 2023  
   
...............................  
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR DECEMBER 9 2023...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1996 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 54R 7:01 AM 53 1999 39 15 39  
2020  
MINIMUM 35 11:59 PM 1 2000 26 9 34  
2013  
AVERAGE 45 32 13 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.20 1.03 2004 0.06 0.14 0.48  
MONTH TO DATE 1.12 0.55 0.57 0.48  
SINCE DEC 1 1.12 0.55 0.57 0.48  
SINCE JAN 1 28.10 31.19 -3.09 31.39  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 33 -13 28  
MONTH TO DATE 215 283 -68 257  
SINCE DEC 1 215 283 -68 257  
SINCE JUL 1 1273 1464 -191 1378  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 878 933 -55 1129    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 15.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 6:00 AM  
LOWEST 56 1:00 PM  
AVERAGE 75  
   
......................................................  
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 57 2015  
2020  
MINIMUM TEMPERATURE (F) 25 -4 2013  
 
SUNRISE AND SUNSET  
DECEMBER 10 2023......SUNRISE 7:09 AM CST SUNSET 4:20 PM CST  
DECEMBER 11 2023......SUNRISE 7:10 AM CST SUNSET 4:20 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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