919  
CDUS43 KILX 152128  
CLIDEC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
428 PM CDT THU MAY 15 2025  
   
...............................  
 
   
..THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR MAY 15 2025  
 
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 91 207 PM MM MM 74 17 74  
MINIMUM 69 219 AM MM MM 53 16 55  
AVERAGE 80 64 16 65  
 
PRECIPITATION (IN)  
TODAY 0.00 MM MM 0.14 -0.14 0.00  
MONTH TO DATE 1.47 2.21 -0.74 1.82  
SINCE MAR 1 7.76 8.38 -0.62 10.08  
SINCE JAN 1 8.33 12.21 -3.88 15.22  
 
DEGREE DAYS  
HEATING  
TODAY 0 4 -4 0  
MONTH TO DATE 55 84 -29 12  
SINCE MAR 1 840 1165 -325 841  
SINCE JUL 1 4692 5338 -646 4398  
 
COOLING  
TODAY 15 3 12 0  
MONTH TO DATE 33 27 6 23  
SINCE MAR 1 52 43 9 51  
SINCE JAN 1 52 43 9 51    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 13.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 300 AM  
LOWEST 54 100 PM  
AVERAGE 72  
   
......................................................  
 
THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 MM MM  
MINIMUM TEMPERATURE (F) 54 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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