870  
CDUS43 KILX 250629  
CLIMTO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
129 AM CDT MON MAY 25 2026  
   
...............................
 
 
   
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR MAY 24 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 78 342 PM MM MM 77 1 72  
MINIMUM 58 1159 PM MM MM 57 1 51  
AVERAGE 68 67 1 62  
 
PRECIPITATION (IN)  
YESTERDAY T MM MM 0.11 -0.11 0.00  
MONTH TO DATE 3.63 3.09 0.54 3.76  
SINCE MAR 1 16.46 9.45 7.01 13.05  
SINCE JAN 1 18.37 13.30 5.07 14.41  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 3  
MONTH TO DATE 140 111 29 103  
SINCE MAR 1 822 1162 -340 882  
SINCE JUL 1 4704 5272 -568 4815  
 
COOLING  
YESTERDAY 3 4 -1 0  
MONTH TO DATE 29 58 -29 39  
SINCE MAR 1 92 73 19 48  
SINCE JAN 1 92 73 19 48    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 300 AM  
LOWEST 45 500 PM  
AVERAGE 73  
   
......................................................
 
 
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 MM MM  
MINIMUM TEMPERATURE (F) 57 MM MM  
 
SUNRISE AND SUNSET  
MAY 25 2026...........SUNRISE 532 AM CDT SUNSET 809 PM CDT  
MAY 26 2026...........SUNRISE 531 AM CDT SUNSET 810 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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