128  
CDUS43 KILX 210642  
CLIMTO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
142 AM CDT TUE JUL 21 2026  
   
...............................  
 
   
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR JULY 20 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1998 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 85 1235 PM MM MM 86 -1 85  
MINIMUM 64 455 AM MM MM 66 -2 72  
AVERAGE 75 76 -1 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 MM MM 0.13 -0.13 0.78  
MONTH TO DATE 1.85 2.80 -0.95 3.78  
SINCE JUN 1 11.55 7.52 4.03 8.40  
SINCE JAN 1 29.92 21.59 8.33 22.91  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 12 -12 1  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 10 11 -1 14  
MONTH TO DATE 266 218 48 253  
SINCE JUN 1 491 462 29 546  
SINCE JAN 1 620 568 52 603    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 59 1200 PM  
AVERAGE 80  
   
......................................................  
 
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 MM MM  
MINIMUM TEMPERATURE (F) 66 MM MM  
 
SUNRISE AND SUNSET  
JULY 21 2026..........SUNRISE 543 AM CDT SUNSET 815 PM CDT  
JULY 22 2026..........SUNRISE 544 AM CDT SUNSET 815 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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