312  
CDUS43 KILX 172245  
CLIMTO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
445 PM CST SUN DEC 17 2023  
   
...............................
 
 
   
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 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 45 143 AM MM MM 39 6 30  
MINIMUM 39 828 AM MM MM 26 13 22  
AVERAGE 42 33 9 26  
 
PRECIPITATION (IN)  
TODAY 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  
TODAY 23 32 -9 39  
MONTH TO DATE 414 512 -98 454  
SINCE DEC 1 414 512 -98 454  
SINCE JUL 1 1321 1555 -234 1485  
 
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 16 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1200 AM  
LOWEST 82 300 PM  
AVERAGE 90  
   
......................................................
 
 
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 MM MM  
MINIMUM TEMPERATURE (F) 26 MM MM  
 
SUNRISE AND SUNSET  
DECEMBER 17 2023......SUNRISE 707 AM CST SUNSET 431 PM CST  
DECEMBER 18 2023......SUNRISE 708 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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