619  
CDUS43 KILX 190626  
CLIDEC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
126 AM CDT MON MAY 19 2025  
   
...............................
 
 
   
..THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR MAY 18 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 77 532 PM MM MM 75 2 85  
MINIMUM 54 523 AM MM MM 54 0 61  
AVERAGE 66 65 1 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 MM MM 0.14 -0.14 0.00  
MONTH TO DATE 2.21 2.62 -0.41 1.91  
SINCE MAR 1 8.50 8.79 -0.29 10.17  
SINCE JAN 1 9.07 12.62 -3.55 15.31  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 55 96 -41 13  
SINCE MAR 1 840 1177 -337 842  
SINCE JUL 1 4692 5350 -658 4399  
 
COOLING  
YESTERDAY 1 3 -2 8  
MONTH TO DATE 43 36 7 36  
SINCE MAR 1 62 52 10 64  
SINCE JAN 1 62 52 10 64    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 5.1  
 
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 72 1100 PM  
LOWEST 34 700 PM  
AVERAGE 53  
   
......................................................
 
 
THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 MM MM  
MINIMUM TEMPERATURE (F) 55 MM MM  
 
SUNRISE AND SUNSET  
MAY 19 2025...........SUNRISE 537 AM CDT SUNSET 807 PM CDT  
MAY 20 2025...........SUNRISE 536 AM CDT SUNSET 808 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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