250 
FTUS41 KBOX 181730
TAFBOS
TAF
KBOS 181730Z 1818/1924 01012G22KT P6SM FEW035 OVC045
     FM182000 02015G22KT P6SM BKN050
     FM182300 02012G20KT P6SM SCT250
     FM190600 35013G22KT P6SM SKC
     FM191600 04011KT P6SM SKC
     FM192100 07007KT P6SM SKC=