360  
CDUS43 KLOT 190636  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1236 AM CST TUE DEC 19 2023  
   
...............................  
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR DECEMBER 18 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 37 12:04 AM 55 2002 36 1 23  
MINIMUM 20 11:59 PM -6 2016 23 -3 15  
AVERAGE 29 30 -1 19  
 
PRECIPITATION (IN)  
YESTERDAY T 0.79 2002 0.05 -0.05 0.00  
MONTH TO DATE 1.39 1.05 0.34 1.84  
SINCE DEC 1 1.39 1.05 0.34 1.84  
SINCE JAN 1 28.37 31.69 -3.32 32.75  
 
DEGREE DAYS  
HEATING  
YESTERDAY 36 35 1 46  
MONTH TO DATE 479 590 -111 536  
SINCE DEC 1 479 590 -111 536  
SINCE JUL 1 1537 1771 -234 1657  
 
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 32 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 16.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 12:00 AM  
LOWEST 48 12:00 PM  
AVERAGE 65  
   
......................................................  
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 56 2002  
MINIMUM TEMPERATURE (F) 23 -8 2016  
 
SUNRISE AND SUNSET  
DECEMBER 19 2023......SUNRISE 7:15 AM CST SUNSET 4:22 PM CST  
DECEMBER 20 2023......SUNRISE 7:16 AM CST SUNSET 4:22 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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