301  
CDUS43 KILX 220626  
CLIMTO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
126 AM CDT FRI AUG 22 2025  
   
...............................  
 
   
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR AUGUST 21 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 80 422 PM MM MM 84 -4 74  
MINIMUM 59 344 AM MM MM 63 -4 50  
AVERAGE 70 74 -4 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 MM MM 0.07 -0.07 0.00  
MONTH TO DATE 0.31 1.58 -1.27 0.64  
SINCE JUN 1 9.60 10.26 -0.66 9.52  
SINCE JAN 1 24.11 24.33 -0.22 27.39  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 3  
MONTH TO DATE 0 0 0 4  
SINCE JUN 1 1 13 -12 11  
SINCE JUL 1 0 1 -1 5  
 
COOLING  
YESTERDAY 5 8 -3 0  
MONTH TO DATE 238 200 38 144  
SINCE JUN 1 959 775 184 674  
SINCE JAN 1 1016 881 135 797    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 100 AM  
LOWEST 58 400 PM  
AVERAGE 78  
   
......................................................  
 
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 MM MM  
MINIMUM TEMPERATURE (F) 63 MM MM  
 
SUNRISE AND SUNSET  
AUGUST 22 2025........SUNRISE 613 AM CDT SUNSET 739 PM CDT  
AUGUST 23 2025........SUNRISE 613 AM CDT SUNSET 737 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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