609  
CDUS43 KILX 202133  
CLIDEC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
433 PM CDT TUE MAY 20 2025  
   
...............................  
 
   
..THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR MAY 20 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 80 125 PM MM MM 76 4 87  
MINIMUM 63 351 AM MM MM 55 8 67  
AVERAGE 72 65 7 77  
 
PRECIPITATION (IN)  
TODAY 1.02 MM MM 0.14 0.88 0.00  
MONTH TO DATE 3.24 2.89 0.35 2.17  
SINCE MAR 1 9.53 9.06 0.47 10.43  
SINCE JAN 1 10.10 12.89 -2.79 15.57  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 0  
MONTH TO DATE 55 103 -48 13  
SINCE MAR 1 840 1184 -344 842  
SINCE JUL 1 4692 5357 -665 4399  
 
COOLING  
TODAY 7 4 3 12  
MONTH TO DATE 54 44 10 61  
SINCE MAR 1 73 60 13 89  
SINCE JAN 1 73 60 13 89    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 18.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 200 AM  
LOWEST 58 300 PM  
AVERAGE 76  
   
......................................................  
 
THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 MM MM  
MINIMUM TEMPERATURE (F) 55 MM MM  
 
SUNRISE AND SUNSET  
MAY 20 2025...........SUNRISE 536 AM CDT SUNSET 808 PM CDT  
MAY 21 2025...........SUNRISE 535 AM CDT SUNSET 809 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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