5 and the waters abate going and returning until the tenth month: in the tenth, on the first of the month, the tops of the mountains appear.
Genesis 8:5 Cross References - ECB
Genesis 7:11
11 In the year - the six hundredth year of the life of Noach, in the second month, the seventeenth day of the month, this day all the fountains of the great abyss split and the windows of the heavens open.