598  
CDUS43 KILX 190627  
CLIDEC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
127 AM CDT TUE SEP 19 2023  
   
...............................
 
 
   
..THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 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 77 356 PM MM MM 79 -2 86  
MINIMUM 45 556 AM MM MM 54 -9 66  
AVERAGE 61 66 -5 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 MM MM 0.09 -0.09 T  
MONTH TO DATE 0.22 2.00 -1.78 3.98  
SINCE SEP 1 0.22 2.00 -1.78 3.98  
SINCE JAN 1 21.15 27.11 -5.96 36.08  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 2 2 0  
MONTH TO DATE 11 21 -10 6  
SINCE SEP 1 11 21 -10 6  
SINCE JUL 1 14 26 -12 6  
 
COOLING  
YESTERDAY 0 4 -4 11  
MONTH TO DATE 81 92 -11 94  
SINCE SEP 1 81 92 -11 94  
SINCE JAN 1 1048 1050 -2 1176    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 1.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 35 400 PM  
AVERAGE 68  
   
......................................................
 
 
THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 MM MM  
MINIMUM TEMPERATURE (F) 54 MM MM  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2023.....SUNRISE 640 AM CDT SUNSET 658 PM CDT  
SEPTEMBER 20 2023.....SUNRISE 641 AM CDT SUNSET 656 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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