587  
CDUS43 KILX 302130  
CLIMTO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
430 PM CDT TUE SEP 30 2025  
   
...............................  
 
   
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 30 2025  
 
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 88 259 PM MM MM 74 14 74  
MINIMUM 57 527 AM MM MM 51 6 62  
AVERAGE 73 62 11 68  
 
PRECIPITATION (IN)  
TODAY 0.00 MM MM 0.09 -0.09 0.00  
MONTH TO DATE 0.50 2.85 -2.35 1.69  
SINCE SEP 1 0.50 2.85 -2.35 1.69  
SINCE JAN 1 24.69 28.02 -3.33 29.67  
 
DEGREE DAYS  
HEATING  
TODAY 0 5 -5 0  
MONTH TO DATE 20 61 -41 25  
SINCE SEP 1 20 61 -41 25  
SINCE JUL 1 24 65 -41 31  
 
COOLING  
TODAY 8 2 6 3  
MONTH TO DATE 178 133 45 149  
SINCE SEP 1 178 133 45 149  
SINCE JAN 1 1219 1091 128 1064    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 500 AM  
LOWEST 27 300 PM  
AVERAGE 57  
   
......................................................  
 
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 MM MM  
MINIMUM TEMPERATURE (F) 51 MM MM  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2025.....SUNRISE 649 AM CDT SUNSET 637 PM CDT  
OCTOBER 1 2025.......SUNRISE 650 AM CDT SUNSET 635 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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