000 FTUS41 KBOX 170520 TAFBOS TAF KBOS 170520Z 1706/1812 02005KT P6SM SKC FM171430 10010KT P6SM FEW250 FM180000 14008KT P6SM OVC200 FM180600 16005KT P6SM BKN060 FM181100 09007KT P6SM BKN060=