KLCH 310520Z 3106/0106 VRB04KT P6SM BKN150 
  FM311600 06005KT P6SM VCTS OVC070CB 
  PROB30 3118/3123 4SM TSRA BR BKN040CB 
  FM312300 06006KT P6SM OVC250 
  FM010200 VRB04KT P6SM BKN250