Aviation Digital Data Service (ADDS)

Output produced by METARs form (2139 UTC 17 April 2014)
found at http://aviationweather.gov/adds/metars/
 
KDAN 171732Z 1718/1818 04007KT P6SM SKC 
     FM180000 08006KT P6SM SKC 
     FM181200 03004KT P6SM BKN250