KPTK 172211Z 1722/1818 20013KT P6SM SCT045 BKN060 
  FM180100 22007KT P6SM SCT060 SCT120 BKN250 
  FM180700 24005KT 6SM BR BKN035 BKN080 OVC150 
  FM181400 24013KT P6SM BKN045