354  
CDUS43 KILX 172129  
CLIMTO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
429 PM CDT FRI APR 17 2026  
   
...............................  
 
   
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR APRIL 17 2026  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 82 252 PM MM MM 65 17 67  
MINIMUM 57 537 AM MM MM 44 13 49  
AVERAGE 70 54 16 58  
 
PRECIPITATION (IN)  
TODAY 0.00 MM MM 0.16 -0.16 T  
MONTH TO DATE 2.07 2.12 -0.05 5.03  
SINCE MAR 1 8.63 4.34 4.29 6.61  
SINCE JAN 1 10.54 8.19 2.35 7.97  
 
DEGREE DAYS  
HEATING  
TODAY 0 11 -11 7  
MONTH TO DATE 105 238 -133 253  
SINCE MAR 1 587 935 -348 724  
SINCE JUL 1 4469 5045 -576 4657  
 
COOLING  
TODAY 5 0 5 0  
MONTH TO DATE 41 0 41 0  
SINCE MAR 1 55 3 52 3  
SINCE JAN 1 55 3 52 3    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 11.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 600 AM  
LOWEST 56 300 PM  
AVERAGE 75  
   
......................................................  
 
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 MM MM  
MINIMUM TEMPERATURE (F) 44 MM MM  
 
SUNRISE AND SUNSET  
APRIL 17 2026.........SUNRISE 613 AM CDT SUNSET 733 PM CDT  
APRIL 18 2026.........SUNRISE 611 AM CDT SUNSET 734 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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