760  
CDUS43 KILX 180628  
CLIDEC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
128 AM CDT FRI AUG 18 2023  
   
...............................
 
 
   
..THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR AUGUST 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 83 309 PM MM MM 84 -1 82  
MINIMUM 63 1159 PM MM MM 63 0 58  
AVERAGE 73 74 -1 70  
 
PRECIPITATION (IN)  
YESTERDAY T MM MM 0.09 -0.09 0.00  
MONTH TO DATE 3.19 1.43 1.76 7.04  
SINCE JUN 1 8.44 9.13 -0.69 11.49  
SINCE JAN 1 19.25 23.51 -4.26 27.82  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 8 9 -1 5  
MONTH TO DATE 148 164 -16 153  
SINCE JUN 1 725 739 -14 806  
SINCE JAN 1 817 849 -32 967    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 12.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1000 AM  
LOWEST 45 400 PM  
AVERAGE 69  
   
......................................................
 
 
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 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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