508  
CDUS43 KILX 180728  
CLIMTO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
128 AM CST MON DEC 18 2023  
   
...............................
 
 
   
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 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 45 143 AM MM MM 39 6 30  
MINIMUM 37 1159 PM MM MM 26 11 22  
AVERAGE 41 33 8 26  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 MM MM 0.06 -0.06 0.00  
MONTH TO DATE 1.86 1.01 0.85 1.57  
SINCE DEC 1 1.86 1.01 0.85 1.57  
SINCE JAN 1 27.77 35.17 -7.40 32.93  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 32 -8 39  
MONTH TO DATE 415 512 -97 454  
SINCE DEC 1 415 512 -97 454  
SINCE JUL 1 1322 1555 -233 1485  
 
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 21 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1200 AM  
LOWEST 82 300 PM  
AVERAGE 90  
   
......................................................
 
 
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 MM MM  
MINIMUM TEMPERATURE (F) 26 MM MM  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 708 AM CST SUNSET 431 PM CST  
DECEMBER 19 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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