TAF KBOS 022320Z 0300/0406 19007KT P6SM SCT150 
  FM031500 18009KT P6SM BKN050 
  FM031900 17006KT 1SM -SN BR OVC015 
  FM032200 13006KT 1SM -SNRAPL BR OVC008 
  FM040100 09006KT 1SM -RA BR OVC005