478  
CDUS43 KILX 170633  
CLIMTO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
133 AM CDT FRI JUL 17 2026  
   
...............................  
 
   
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR JULY 16 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 90 100 PM MM MM 86 4 89  
MINIMUM 71 444 AM MM MM 66 5 71  
AVERAGE 81 76 5 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 MM MM 0.13 -0.13 0.01  
MONTH TO DATE 1.17 2.29 -1.12 1.77  
SINCE JUN 1 10.87 7.01 3.86 6.39  
SINCE JAN 1 29.24 21.08 8.16 20.90  
 
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 16 11 5 15  
MONTH TO DATE 211 174 37 204  
SINCE JUN 1 436 418 18 497  
SINCE JAN 1 565 524 41 554    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 2.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1100 PM  
LOWEST 56 100 PM  
AVERAGE 76  
   
......................................................  
 
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 17 2026..........SUNRISE 540 AM CDT SUNSET 818 PM CDT  
JULY 18 2026..........SUNRISE 541 AM CDT SUNSET 818 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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