117  
CDUS43 KLOT 182240  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
440 PM CST MON DEC 18 2023  
   
...............................
 
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR DECEMBER 18 2023...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 37 12:04 AM 55 2002 36 1 23  
MINIMUM 27 3:59 PM -6 2016 23 4 15  
AVERAGE 32 30 2 19  
 
PRECIPITATION (IN)  
TODAY 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  
TODAY 33 35 -2 46  
MONTH TO DATE 476 590 -114 536  
SINCE DEC 1 476 590 -114 536  
SINCE JUL 1 1534 1771 -237 1657  
 
COOLING  
TODAY 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 17.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
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 TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 56 2002  
MINIMUM TEMPERATURE (F) 23 -8 2016  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 7:15 AM CST SUNSET 4:22 PM CST  
DECEMBER 19 2023......SUNRISE 7:15 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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