FTUS42 KMLB 061739 TAFSFB TAF KSFB 061739Z 0618/0718 18012G20KT P6SM SCT050 SCT300 FM062300 20011KT P6SM BKN080 FM070300 19006KT P6SM FEW070 SCT300 FM071500 20015G22KT P6SM SCT040 SCT300=