501  
CDUS43 KILX 290635  
CLIMTO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
135 AM CDT MON SEP 29 2025  
   
...............................  
 
   
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 28 2025  
 
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 89 326 PM MM MM 74 15 77  
MINIMUM 58 625 AM MM MM 52 6 63  
AVERAGE 74 63 11 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 MM MM 0.09 -0.09 0.04  
MONTH TO DATE 0.50 2.67 -2.17 1.69  
SINCE SEP 1 0.50 2.67 -2.17 1.69  
SINCE JAN 1 24.69 27.84 -3.15 29.67  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 20 51 -31 25  
SINCE SEP 1 20 51 -31 25  
SINCE JUL 1 24 55 -31 31  
 
COOLING  
YESTERDAY 9 2 7 5  
MONTH TO DATE 160 129 31 140  
SINCE SEP 1 160 129 31 140  
SINCE JAN 1 1201 1087 114 1055    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 3.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 600 AM  
LOWEST 25 200 PM  
AVERAGE 55  
   
......................................................  
 
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 MM MM  
MINIMUM TEMPERATURE (F) 51 MM MM  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2025.....SUNRISE 648 AM CDT SUNSET 638 PM CDT  
SEPTEMBER 30 2025.....SUNRISE 649 AM CDT SUNSET 637 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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