303  
CDUS43 KILX 122135  
CLIDEC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
435 PM CDT MON MAY 12 2025  
   
...............................
 
 
   
..THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR MAY 12 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 74 259 PM MM MM 73 1 82  
MINIMUM 59 509 AM MM MM 52 7 50  
AVERAGE 67 63 4 66  
 
PRECIPITATION (IN)  
TODAY 0.25 MM MM 0.15 0.10 0.00  
MONTH TO DATE 1.43 1.79 -0.36 0.96  
SINCE MAR 1 7.72 7.96 -0.24 9.22  
SINCE JAN 1 8.29 11.79 -3.50 14.36  
 
DEGREE DAYS  
HEATING  
TODAY 0 5 -5 0  
MONTH TO DATE 55 71 -16 11  
SINCE MAR 1 840 1152 -312 840  
SINCE JUL 1 4692 5325 -633 4397  
 
COOLING  
TODAY 2 2 0 1  
MONTH TO DATE 5 19 -14 19  
SINCE MAR 1 24 35 -11 47  
SINCE JAN 1 24 35 -11 47    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 PM  
LOWEST 61 1200 AM  
AVERAGE 77  
   
......................................................
 
 
THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 MM MM  
MINIMUM TEMPERATURE (F) 52 MM MM  
 
SUNRISE AND SUNSET  
MAY 12 2025...........SUNRISE 543 AM CDT SUNSET 801 PM CDT  
MAY 13 2025...........SUNRISE 542 AM CDT SUNSET 802 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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