425  
CDUS43 KILX 302143  
CLIDEC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
443 PM CDT WED SEP 30 2026  
   
...............................  
 
   
..THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 30 2026  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 2000 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 84 154 PM MM MM 74 10 88  
MINIMUM 65 549 AM MM MM 50 15 58  
AVERAGE 75 62 13 73  
 
PRECIPITATION (IN)  
TODAY T MM MM 0.07 -0.07 0.00  
MONTH TO DATE 1.87 2.98 -1.11 1.14  
SINCE SEP 1 1.87 2.98 -1.11 1.14  
SINCE JAN 1 33.31 28.09 5.22 25.08  
 
DEGREE DAYS  
HEATING  
TODAY 0 5 -5 0  
MONTH TO DATE 11 66 -55 15  
SINCE SEP 1 11 66 -55 15  
SINCE JUL 1 12 71 -59 16  
 
COOLING  
TODAY 10 2 8 8  
MONTH TO DATE 272 124 148 207  
SINCE SEP 1 272 124 148 207  
SINCE JAN 1 1269 1082 187 1433    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 65 500 AM  
LOWEST 40 100 PM  
AVERAGE 53  
   
......................................................  
 
THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 MM MM  
MINIMUM TEMPERATURE (F) 49 MM MM  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2026.....SUNRISE 651 AM CDT SUNSET 639 PM CDT  
OCTOBER 1 2026.......SUNRISE 652 AM CDT SUNSET 638 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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