000 FTUS43 KLMK 170520 TAFSDF TAF KSDF 170520Z 1706/1812 19013G23KT 6SM -RA VCTS BKN050CB WS020/20041KT FM171100 20016G24KT P6SM OVC035 FM171300 20017G25KT P6SM OVC025 FM171700 23018G26KT P6SM SCT050=