Genesis 8:3-5

Young's Literal Translation

³ And turn back do the waters from off the earth, going on and returning; and the waters are lacking at the end of a hundred and fifty days.

⁴ And the ark resteth, in the seventh month, in the seventeenth day of the month, on mountains of Ararat;

⁵ and the waters have been going and becoming lacking till the tenth month; in the tenth [month], on the first of the month, appeared the heads of the mountains.