000 FTUS44 KOUN 171720 TAFPNC TAF KPNC 171720Z 1718/1818 15012G20KT P6SM FEW250 FM180400 16015G25KT P6SM SCT025 WS020/21040KT FM180800 18014G22KT P6SM OVC015 WS020/22050KT FM181300 21013G20KT P6SM BKN018 FM181400 29013G21KT P6SM BKN015=