KCHS 051739Z 0518/0618 04018G28KT P6SM VCSH BKN025 
  FM052000 04017G30KT P6SM BKN023 
  FM052200 04015G24KT 6SM -SHRA BKN016 
  FM060000 03012G20KT 6SM -SHRA BKN012 
  FM060300 36009KT 6SM -SHRA BKN008 
  FM061000 33008KT P6SM BKN006