Aviation Digital Data Service (ADDS)

Output produced by METARs form (1954 UTC 03 May 2015)
found at http://aviationweather.gov/adds/metars/
 
KDFW 031724Z 0318/0424 17015KT P6SM SCT060 
     FM040100 16010KT P6SM SCT250 
     FM041100 16010KT P6SM BKN020 
     FM041600 16013KT P6SM BKN040