000 FTUS43 KGRB 181743 TAFRHI TAF KRHI 181743Z 1818/1918 29006KT P6SM OVC017 FM182000 29009KT P6SM BKN027 FM182100 28010G15KT P6SM BKN035 FM182300 26009KT P6SM -SHSN BKN080 FM190200 25010G16KT P6SM -SHSN OVC070 FM190500 27011G19KT P6SM BKN060 FM191400 31014G22KT P6SM BKN030=