西岸 せいがん海洋 かいよう せい気候 きこうだったら
seigankaiyōsei kikōdattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 西岸海洋性気候

1. If it were a West Coast oceanic climate; If it was a West Coast oceanic climate

Tara Conditional