622  
CDUS43 KILX 132136  
CLIMTO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
436 PM CDT WED MAY 13 2026  
   
...............................  
 
   
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR MAY 13 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 70 257 PM MM MM 73 -3 79  
MINIMUM 54 527 AM MM MM 53 1 59  
AVERAGE 62 63 -1 69  
 
PRECIPITATION (IN)  
TODAY 0.00 MM MM 0.13 -0.13 0.00  
MONTH TO DATE 2.22 1.80 0.42 2.32  
SINCE MAR 1 15.05 8.16 6.89 11.61  
SINCE JAN 1 16.96 12.01 4.95 12.97  
 
DEGREE DAYS  
HEATING  
TODAY 3 4 -1 0  
MONTH TO DATE 111 73 38 73  
SINCE MAR 1 793 1124 -331 852  
SINCE JUL 1 4675 5234 -559 4785  
 
COOLING  
TODAY 0 2 -2 4  
MONTH TO DATE 0 20 -20 7  
SINCE MAR 1 63 35 28 16  
SINCE JAN 1 63 35 28 16    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 13.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 500 AM  
LOWEST 34 300 PM  
AVERAGE 50  
   
......................................................  
 
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 MM MM  
MINIMUM TEMPERATURE (F) 53 MM MM  
 
SUNRISE AND SUNSET  
MAY 13 2026...........SUNRISE 541 AM CDT SUNSET 759 PM CDT  
MAY 14 2026...........SUNRISE 540 AM CDT SUNSET 759 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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