108  
CDUS43 KILX 310630  
CLIMTO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
130 AM CDT FRI JUL 31 2026  
   
...............................
 
 
   
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR JULY 30 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 84 346 PM MM MM 85 -1 90  
MINIMUM 60 527 AM MM MM 65 -5 72  
AVERAGE 72 75 -3 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 MM MM 0.10 -0.10 0.01  
MONTH TO DATE 2.17 3.87 -1.70 4.67  
SINCE JUN 1 11.87 8.59 3.28 9.29  
SINCE JAN 1 30.24 22.66 7.58 23.80  
 
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 7 10 -3 16  
MONTH TO DATE 338 322 16 423  
SINCE JUN 1 563 566 -3 716  
SINCE JAN 1 692 672 20 773    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 200 AM  
LOWEST 44 500 PM  
AVERAGE 71  
   
......................................................
 
 
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 MM MM  
MINIMUM TEMPERATURE (F) 65 MM MM  
 
SUNRISE AND SUNSET  
JULY 31 2026..........SUNRISE 552 AM CDT SUNSET 807 PM CDT  
AUGUST 1 2026........SUNRISE 553 AM CDT SUNSET 806 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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