541  
CDUS43 KILX 182139  
CLIDEC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
439 PM CDT FRI AUG 18 2023  
   
...............................
 
 
   
..THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR AUGUST 18 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 79 253 PM MM MM 84 -5 83  
MINIMUM 54 412 AM MM MM 63 -9 59  
AVERAGE 67 74 -7 71  
 
PRECIPITATION (IN)  
TODAY 0.00 MM MM 0.11 -0.11 0.01  
MONTH TO DATE 3.19 1.54 1.65 7.05  
SINCE JUN 1 8.44 9.24 -0.80 11.50  
SINCE JAN 1 19.25 23.62 -4.37 27.83  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 4 12 -8 0  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
TODAY 2 9 -7 6  
MONTH TO DATE 150 173 -23 159  
SINCE JUN 1 727 748 -21 812  
SINCE JAN 1 819 858 -39 973    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 4.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 300 AM  
LOWEST 52 1100 AM  
AVERAGE 75  
   
......................................................
 
 
THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 MM MM  
MINIMUM TEMPERATURE (F) 63 MM MM  
 
SUNRISE AND SUNSET  
AUGUST 18 2023........SUNRISE 610 AM CDT SUNSET 748 PM CDT  
AUGUST 19 2023........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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