KNEW 090520Z 0906/1006 VRB04KT P6SM SCT025 BKN250 
  FM091300 02005KT 6SM BR BKN008 BKN015 
  PROB30 0913/0918 4SM TSRA BR OVC004CB 
  FM091800 03007KT 5SM -SHRA BR BKN010 OVC020 
  PROB30 0918/0924 2SM TSRA BR OVC008CB 
  FM100300 04006KT 6SM BR OVC015