580  
CDUS43 KLOT 130632  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1232 AM CST WED DEC 13 2023  
   
...............................  
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR DECEMBER 12 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 38 2:42 PM 51 2015 38 0 41  
MINIMUM 27 11:59 PM -3 2000 25 2 36  
AVERAGE 33 31 2 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.78 2020 0.06 -0.06 0.02  
MONTH TO DATE 1.12 0.73 0.39 0.51  
SINCE DEC 1 1.12 0.73 0.39 0.51  
SINCE JAN 1 28.10 31.37 -3.27 31.42  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 34 -2 26  
MONTH TO DATE 313 383 -70 335  
SINCE DEC 1 313 383 -70 335  
SINCE JUL 1 1371 1564 -193 1456  
 
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 16 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 8.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 2:00 AM  
LOWEST 48 3:00 PM  
AVERAGE 62  
   
......................................................  
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 62 2015  
MINIMUM TEMPERATURE (F) 25 -5 2000  
 
SUNRISE AND SUNSET  
DECEMBER 13 2023......SUNRISE 7:11 AM CST SUNSET 4:20 PM CST  
DECEMBER 14 2023......SUNRISE 7:12 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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