714  
CDUS43 KILX 172137  
CLIMTO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
437 PM CDT SUN AUG 17 2025  
   
...............................
 
 
   
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR AUGUST 17 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 90 258 PM MM MM 84 6 82  
MINIMUM 72 608 AM MM MM 64 8 68  
AVERAGE 81 74 7 75  
 
PRECIPITATION (IN)  
TODAY 0.00 MM MM 0.07 -0.07 0.06  
MONTH TO DATE 0.30 1.30 -1.00 0.64  
SINCE JUN 1 9.59 9.98 -0.39 9.52  
SINCE JAN 1 24.10 24.05 0.05 27.39  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 1 13 -12 7  
SINCE JUL 1 0 1 -1 1  
 
COOLING  
TODAY 16 9 7 10  
MONTH TO DATE 191 165 26 134  
SINCE JUN 1 912 740 172 664  
SINCE JAN 1 969 846 123 787    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 500 AM  
LOWEST 56 300 PM  
AVERAGE 72  
   
......................................................
 
 
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 MM MM  
MINIMUM TEMPERATURE (F) 64 MM MM  
 
SUNRISE AND SUNSET  
AUGUST 17 2025........SUNRISE 608 AM CDT SUNSET 746 PM CDT  
AUGUST 18 2025........SUNRISE 609 AM CDT SUNSET 744 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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