391  
CDUS43 KILX 120629  
CLIDEC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
129 AM CDT TUE AUG 12 2025  
   
...............................
 
 
   
..THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR AUGUST 11 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 9999 TO 9999  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 91 338 PM MM MM 85 6 79  
MINIMUM 73 529 AM MM MM 64 9 58  
AVERAGE 82 74 8 69  
 
PRECIPITATION (IN)  
YESTERDAY T MM MM 0.09 -0.09 0.00  
MONTH TO DATE 0.01 0.89 -0.88 0.40  
SINCE JUN 1 12.09 8.59 3.50 10.75  
SINCE JAN 1 22.39 22.97 -0.58 28.97  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 12 -12 3  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
YESTERDAY 17 10 7 4  
MONTH TO DATE 122 110 12 120  
SINCE JUN 1 953 685 268 780  
SINCE JAN 1 1038 795 243 915    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 1200 AM  
LOWEST 54 300 PM  
AVERAGE 71  
   
......................................................
 
 
THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 MM MM  
MINIMUM TEMPERATURE (F) 64 MM MM  
 
SUNRISE AND SUNSET  
AUGUST 12 2025........SUNRISE 605 AM CDT SUNSET 755 PM CDT  
AUGUST 13 2025........SUNRISE 606 AM CDT SUNSET 754 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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