Aviation Digital Data Service (ADDS)

Output produced by METARs form (2321 UTC 01 March 2015)
found at http://aviationweather.gov/adds/metars/
 
KBOS 012109Z 0121/0224 20006KT 2SM -SN OVC035 
     FM012300 20007KT 1SM -SN OVC025 
     FM020100 20008KT 1/2SM SN OVC008 
     FM020500 24007KT 2SM -SN OVC008 
     FM020700 25007KT P6SM OVC030 
     FM021300 28012KT P6SM BKN050 
     FM021500 29016G25KT P6SM BKN090