437  
CDUS43 KILX 190730  
CLIMTO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
130 AM CST TUE DEC 19 2023  
   
...............................  
 
   
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR DECEMBER 18 2023  
 
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 37 118 AM MM MM 39 -2 28  
MINIMUM 17 1150 PM MM MM 26 -9 16  
AVERAGE 27 32 -5 22  
 
PRECIPITATION (IN)  
YESTERDAY T MM MM 0.05 -0.05 T  
MONTH TO DATE 1.86 1.06 0.80 1.57  
SINCE DEC 1 1.86 1.06 0.80 1.57  
SINCE JAN 1 27.77 35.22 -7.45 32.93  
 
DEGREE DAYS  
HEATING  
YESTERDAY 38 33 5 43  
MONTH TO DATE 453 545 -92 497  
SINCE DEC 1 453 545 -92 497  
SINCE JUL 1 1360 1588 -228 1528  
 
COOLING  
YESTERDAY 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 36 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 19.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 400 AM  
LOWEST 58 700 PM  
AVERAGE 73  
   
......................................................  
 
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 MM MM  
MINIMUM TEMPERATURE (F) 25 MM MM  
 
SUNRISE AND SUNSET  
DECEMBER 19 2023......SUNRISE 709 AM CST SUNSET 432 PM CST  
DECEMBER 20 2023......SUNRISE 709 AM CST SUNSET 432 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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