494  
CDUS43 KILX 120729  
CLIMTO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
129 AM CST FRI DEC 12 2025  
   
...............................  
 
   
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR DECEMBER 11 2025  
 
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)  
YESTERDAY  
MAXIMUM 30 258 PM MM MM 41 -11 36  
MINIMUM 27 1150 PM MM MM 27 0 17  
AVERAGE 29 34 -5 27  
 
PRECIPITATION (IN)  
YESTERDAY 0.20 MM MM 0.05 0.15 0.01  
MONTH TO DATE 0.28 0.67 -0.39 0.30  
SINCE DEC 1 0.28 0.67 -0.39 0.30  
SINCE JAN 1 29.15 34.83 -5.68 33.50  
 
DEGREE DAYS  
HEATING  
YESTERDAY 36 31 5 38  
MONTH TO DATE 430 322 108 384  
SINCE DEC 1 430 322 108 384  
SINCE JUL 1 1275 1365 -90 1171  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1273 1117 156 1091    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 600 PM  
LOWEST 66 200 PM  
AVERAGE 81  
   
......................................................  
 
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 MM MM  
MINIMUM TEMPERATURE (F) 27 MM MM  
 
SUNRISE AND SUNSET  
DECEMBER 12 2025......SUNRISE 704 AM CST SUNSET 430 PM CST  
DECEMBER 13 2025......SUNRISE 705 AM CST SUNSET 430 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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