494  
CDUS43 KILX 112131  
CLIDEC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
431 PM CDT FRI SEP 11 2026  
   
...............................  
 
   
..THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 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 83 259 PM MM MM 81 2 90  
MINIMUM 62 604 AM MM MM 57 5 58  
AVERAGE 73 69 4 74  
 
PRECIPITATION (IN)  
TODAY 0.00 MM MM 0.11 -0.11 0.00  
MONTH TO DATE 0.17 1.31 -1.14 0.05  
SINCE SEP 1 0.17 1.31 -1.14 0.05  
SINCE JAN 1 31.61 26.42 5.19 23.99  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 8 -8 15  
SINCE SEP 1 0 8 -8 15  
SINCE JUL 1 1 13 -12 16  
 
COOLING  
TODAY 8 5 3 9  
MONTH TO DATE 149 63 86 25  
SINCE SEP 1 149 63 86 25  
SINCE JAN 1 1146 1021 125 1251    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1200 AM  
LOWEST 53 300 PM  
AVERAGE 75  
   
......................................................  
 
THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 MM MM  
MINIMUM TEMPERATURE (F) 56 MM MM  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2026.....SUNRISE 633 AM CDT SUNSET 710 PM CDT  
SEPTEMBER 12 2026.....SUNRISE 634 AM CDT SUNSET 709 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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