311  
CDUS43 KILX 180629  
CLIDEC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
129 AM CDT THU MAY 18 2023  
   
...............................
 
 
   
..THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR MAY 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 78 254 PM MM MM 75 3 85  
MINIMUM 51 539 AM MM MM 54 -3 53  
AVERAGE 65 64 1 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 MM MM 0.14 -0.14 0.03  
MONTH TO DATE 1.80 2.48 -0.68 1.29  
SINCE MAR 1 6.90 8.65 -1.75 9.90  
SINCE JAN 1 10.80 12.48 -1.68 14.10  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 48 92 -44 81  
SINCE MAR 1 1101 1173 -72 1183  
SINCE JUL 1 4842 5346 -504 5129  
 
COOLING  
YESTERDAY 0 3 -3 4  
MONTH TO DATE 33 33 0 82  
SINCE MAR 1 44 49 -5 96  
SINCE JAN 1 44 49 -5 96    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 100 AM  
LOWEST 43 300 PM  
AVERAGE 68  
   
......................................................
 
 
THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 MM MM  
MINIMUM TEMPERATURE (F) 54 MM MM  
 
SUNRISE AND SUNSET  
MAY 18 2023...........SUNRISE 538 AM CDT SUNSET 806 PM CDT  
MAY 19 2023...........SUNRISE 537 AM CDT SUNSET 807 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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