803  
CDUS43 KILX 312232  
CLIMTO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
432 PM CST SUN DEC 31 2023  
   
...............................  
 
   
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR DECEMBER 31 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 37 1259 AM MM MM 36 1 48  
MINIMUM 31 1137 AM MM MM 22 9 32  
AVERAGE 34 29 5 40  
 
PRECIPITATION (IN)  
TODAY T MM MM 0.06 -0.06 0.00  
MONTH TO DATE 2.65 1.84 0.81 2.57  
SINCE DEC 1 2.65 1.84 0.81 2.57  
SINCE JAN 1 28.56 36.00 -7.44 33.93  
 
DEGREE DAYS  
HEATING  
TODAY 31 36 -5 25  
MONTH TO DATE 775 991 -216 999  
SINCE DEC 1 775 991 -216 999  
SINCE JUL 1 1682 2034 -352 2030  
 
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 22 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 12.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 500 AM  
LOWEST 72 100 PM  
AVERAGE 82  
   
......................................................  
 
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 MM MM  
MINIMUM TEMPERATURE (F) 22 MM MM  
 
SUNRISE AND SUNSET  
DECEMBER 31 2023......SUNRISE 713 AM CST SUNSET 439 PM CST  
JANUARY 1 2024.......SUNRISE 713 AM CST SUNSET 440 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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