171  
CDUS43 KILX 170729  
CLIMTO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
129 AM CST SUN DEC 17 2023  
   
...............................  
 
   
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR DECEMBER 16 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 48 1130 AM MM MM 40 8 34  
MINIMUM 40 719 AM MM MM 26 14 30  
AVERAGE 44 33 11 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.98 MM MM 0.05 0.93 T  
MONTH TO DATE 1.86 0.95 0.91 1.57  
SINCE DEC 1 1.86 0.95 0.91 1.57  
SINCE JAN 1 27.77 35.11 -7.34 32.93  
 
DEGREE DAYS  
HEATING  
YESTERDAY 21 32 -11 33  
MONTH TO DATE 391 480 -89 415  
SINCE DEC 1 391 480 -89 415  
SINCE JUL 1 1298 1523 -225 1446  
 
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 14 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1100 PM  
LOWEST 47 300 AM  
AVERAGE 72  
   
......................................................  
 
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 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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