398  
CDUS43 KILX 150628  
CLIDEC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
128 AM CDT THU MAY 15 2025  
   
...............................  
 
   
..THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR MAY 14 2025  
 
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 85 111 PM MM MM 74 11 70  
MINIMUM 59 514 AM MM MM 53 6 58  
AVERAGE 72 63 9 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 MM MM 0.14 -0.14 0.32  
MONTH TO DATE 1.47 2.07 -0.60 1.82  
SINCE MAR 1 7.76 8.24 -0.48 10.08  
SINCE JAN 1 8.33 12.07 -3.74 15.22  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 1  
MONTH TO DATE 55 80 -25 12  
SINCE MAR 1 840 1161 -321 841  
SINCE JUL 1 4692 5334 -642 4398  
 
COOLING  
YESTERDAY 7 3 4 0  
MONTH TO DATE 18 24 -6 23  
SINCE MAR 1 37 40 -3 51  
SINCE JAN 1 37 40 -3 51    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 300 AM  
LOWEST 44 200 PM  
AVERAGE 69  
   
......................................................  
 
THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 MM MM  
MINIMUM TEMPERATURE (F) 53 MM MM  
 
SUNRISE AND SUNSET  
MAY 15 2025...........SUNRISE 540 AM CDT SUNSET 804 PM CDT  
MAY 16 2025...........SUNRISE 539 AM CDT SUNSET 805 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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