000 FTUS41 KBTV 171720 TAFPBG TAF KPBG 171720Z 1718/1818 04009G16KT P6SM SCT250 FM180300 36007KT P6SM OVC230 FM180800 10007KT P6SM BKN050 FM181100 14010G20KT P6SM -SHRA OVC045 FM181500 15011G21KT 5SM -SHRA BR OVC025=