848  
CDUS43 KILX 172244  
CLIDEC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
444 PM CST WED DEC 17 2025  
   
...............................
 
 
   
..THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 9999 TO 9999  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 45 1231 PM MM MM 39 6 51  
MINIMUM 33 721 AM MM MM 25 8 34  
AVERAGE 39 32 7 43  
 
PRECIPITATION (IN)  
TODAY 0.00 MM MM 0.07 -0.07 T  
MONTH TO DATE 0.02 1.15 -1.13 0.57  
SINCE DEC 1 0.02 1.15 -1.13 0.57  
SINCE JAN 1 28.17 35.39 -7.22 41.09  
 
DEGREE DAYS  
HEATING  
TODAY 26 33 -7 22  
MONTH TO DATE 724 521 203 553  
SINCE DEC 1 724 521 203 553  
SINCE JUL 1 1610 1585 25 1307  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1479 1105 374 1292    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 700 AM  
LOWEST 62 200 AM  
AVERAGE 74  
   
......................................................
 
 
THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 MM MM  
MINIMUM TEMPERATURE (F) 25 MM MM  
 
SUNRISE AND SUNSET  
DECEMBER 17 2025......SUNRISE 711 AM CST SUNSET 432 PM CST  
DECEMBER 18 2025......SUNRISE 712 AM CST SUNSET 433 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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