072  
CDUS43 KLOT 200637  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1237 AM CST WED DEC 20 2023  
   
...............................  
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR DECEMBER 19 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 33 11:59 PM 56 2002 36 -3 28  
MINIMUM 17 6:57 AM -8 2016 23 -6 11  
AVERAGE 25 30 -5 20  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.17 2009 0.05 -0.05 0.00  
MONTH TO DATE 1.39 1.10 0.29 1.84  
SINCE DEC 1 1.39 1.10 0.29 1.84  
SINCE JAN 1 28.37 31.74 -3.37 32.75  
 
DEGREE DAYS  
HEATING  
YESTERDAY 40 36 4 45  
MONTH TO DATE 519 626 -107 581  
SINCE DEC 1 519 626 -107 581  
SINCE JUL 1 1577 1807 -230 1702  
 
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 SW (210)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 8.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 6:00 AM  
LOWEST 45 1:00 PM  
AVERAGE 59  
   
......................................................  
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 51 2015  
MINIMUM TEMPERATURE (F) 23 0 2000  
 
SUNRISE AND SUNSET  
DECEMBER 20 2023......SUNRISE 7:16 AM CST SUNSET 4:22 PM CST  
DECEMBER 21 2023......SUNRISE 7:16 AM CST SUNSET 4:23 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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