768  
CDUS43 KILX 200627  
CLIMTO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
127 AM CDT SAT SEP 20 2025  
   
...............................  
 
   
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 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 89 140 PM MM MM 78 11 89  
MINIMUM 62 534 AM MM MM 55 7 58  
AVERAGE 76 66 10 74  
 
PRECIPITATION (IN)  
YESTERDAY T MM MM 0.10 -0.10 0.00  
MONTH TO DATE 0.08 1.85 -1.77 0.05  
SINCE SEP 1 0.08 1.85 -1.77 0.05  
SINCE JAN 1 24.27 27.02 -2.75 28.03  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 20 21 -1 24  
SINCE SEP 1 20 21 -1 24  
SINCE JUL 1 24 25 -1 30  
 
COOLING  
YESTERDAY 11 4 7 9  
MONTH TO DATE 107 102 5 95  
SINCE SEP 1 107 102 5 95  
SINCE JAN 1 1148 1060 88 1010    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 700 PM  
LOWEST 37 200 PM  
AVERAGE 64  
   
......................................................  
 
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 MM MM  
MINIMUM TEMPERATURE (F) 55 MM MM  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2025.....SUNRISE 639 AM CDT SUNSET 653 PM CDT  
SEPTEMBER 21 2025.....SUNRISE 640 AM CDT SUNSET 651 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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