421  
CDUS43 KILX 152228  
CLIMTO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
428 PM CST FRI DEC 15 2023  
   
...............................
 
 
   
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR DECEMBER 15 2023
 
 
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 57 248 PM MM MM 40 17 38  
MINIMUM 37 144 AM MM MM 26 11 33  
AVERAGE 47 33 14 36  
 
PRECIPITATION (IN)  
TODAY 0.00 MM MM 0.06 -0.06 T  
MONTH TO DATE 0.88 0.90 -0.02 1.57  
SINCE DEC 1 0.88 0.90 -0.02 1.57  
SINCE JAN 1 26.79 35.06 -8.27 32.93  
 
DEGREE DAYS  
HEATING  
TODAY 18 32 -14 29  
MONTH TO DATE 370 448 -78 382  
SINCE DEC 1 370 448 -78 382  
SINCE JUL 1 1277 1491 -214 1413  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1048 1117 -69 1255    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 8.9  
 
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 57 1200 AM  
LOWEST 38 200 PM  
AVERAGE 48  
   
......................................................
 
 
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 MM MM  
MINIMUM TEMPERATURE (F) 26 MM MM  
 
SUNRISE AND SUNSET  
DECEMBER 15 2023......SUNRISE 706 AM CST SUNSET 430 PM CST  
DECEMBER 16 2023......SUNRISE 707 AM CST SUNSET 431 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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