Aviation Digital Data Service (ADDS)

Output produced by METARs form (0013 UTC 18 April 2014)
found at http://aviationweather.gov/adds/metars/
 
KILG 172336Z 1800/1824 11010G17KT P6SM SCT040 
     FM180200 09008KT P6SM BKN050 
     FM180800 03006KT P6SM BKN020 
     FM181400 09007KT P6SM SCT030 BKN250 
     FM181800 19006KT P6SM OVC250