וַֽיְהִ֥י הַגֶּ֖שֶׁם עַל־הָאָ֑רֶץ אַרְבָּעִ֣ים י֔וֹם וְאַרְבָּעִ֖ים לָֽיְלָה׃
And the rain was upon the earth forty days and forty nights.
Targum Jonathan on Genesis
And the rain came down upon the earth forty days and forty nights.
וַֽיְהִ֥י הַגֶּ֖שֶׁם עַל־הָאָ֑רֶץ אַרְבָּעִ֣ים י֔וֹם וְאַרְבָּעִ֖ים לָֽיְלָה׃
And the rain was upon the earth forty days and forty nights.