916  
CDUS43 KILX 180626  
CLIDEC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
126 AM CDT MON SEP 18 2023  
   
...............................
 
 
   
..THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 2023
 
 
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 73 402 PM MM MM 79 -6 85  
MINIMUM 54 1159 PM MM MM 55 -1 65  
AVERAGE 64 67 -3 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 MM MM 0.09 -0.06 0.00  
MONTH TO DATE 0.22 1.91 -1.69 3.98  
SINCE SEP 1 0.22 1.91 -1.69 3.98  
SINCE JAN 1 21.15 27.02 -5.87 36.08  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 2 -1 0  
MONTH TO DATE 7 19 -12 6  
SINCE SEP 1 7 19 -12 6  
SINCE JUL 1 10 24 -14 6  
 
COOLING  
YESTERDAY 0 4 -4 10  
MONTH TO DATE 81 88 -7 83  
SINCE SEP 1 81 88 -7 83  
SINCE JAN 1 1048 1046 2 1165    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 61 400 PM  
AVERAGE 81  
   
......................................................
 
 
THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 MM MM  
MINIMUM TEMPERATURE (F) 54 MM MM  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2023.....SUNRISE 639 AM CDT SUNSET 659 PM CDT  
SEPTEMBER 19 2023.....SUNRISE 640 AM CDT SUNSET 658 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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