Aviation Digital Data Service (ADDS)

Output produced by METARs form (1513 UTC 04 March 2015)
found at http://aviationweather.gov/adds/metars/
 
KMFD 041140Z 0412/0512 28006KT P6SM OVC015 
     FM042200 31010KT P6SM OVC010 
     PROB30 0423/0504 3SM -SN 
     FM050800 34006KT P6SM OVC022