602  
CDUS43 KILX 180628  
CLIDEC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
128 AM CDT MON AUG 18 2025  
   
...............................
 
 
   
..THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR AUGUST 17 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 90 510 PM MM MM 84 6 82  
MINIMUM 73 840 AM MM MM 63 10 71  
AVERAGE 82 74 8 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.31 MM MM 0.09 0.22 0.00  
MONTH TO DATE 1.46 1.43 0.03 2.11  
SINCE JUN 1 13.54 9.13 4.41 12.46  
SINCE JAN 1 23.84 23.51 0.33 30.68  
 
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 9 8 12  
MONTH TO DATE 222 164 58 171  
SINCE JUN 1 1053 739 314 831  
SINCE JAN 1 1138 849 289 966    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 900 AM  
LOWEST 65 200 PM  
AVERAGE 78  
   
......................................................
 
 
THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 MM MM  
MINIMUM TEMPERATURE (F) 63 MM MM  
 
SUNRISE AND SUNSET  
AUGUST 18 2025........SUNRISE 611 AM CDT SUNSET 747 PM CDT  
AUGUST 19 2025........SUNRISE 611 AM CDT SUNSET 746 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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