Aviation Digital Data Service (ADDS)

Output produced by METARs form (1822 UTC 21 October 2014)
found at http://www.aviationweather.gov/adds/metars/
 
KBOS 211736Z 2118/2224 07009KT P6SM VCSH SCT025 OVC040 
     FM212100 06007KT P6SM OVC025 
     FM220300 02007KT P6SM OVC010 
     FM220600 02009KT 3SM -SHRA BR OVC008 
     FM221800 02012G23KT 3SM -SHRA BR OVC008 
     FM222000 02011G24KT 3SM -RA BR OVC008 
     FM222200 02012G25KT 3SM RA BR OVC008