Genesis 7:6, 8-13

Noah was six hundred years old when the flood (deluge) of water came on the earth [covering all of the land].

Of clean animals and animals that are not clean and birds and fowls and everything that crawls on the ground, they came [motivated by God] into the ark with Noah two by two, the male and the female, just as God had commanded Noah. And after the seven days [God released the rain and] the floodwaters came on the earth. In the six hundredth year of Noah’s life, on the seventeenth day of the second month, on that same day all the fountains of the great deep [subterranean waters] burst open, and the windows and floodgates of the heavens were opened. It rained on the earth for forty days and forty nights. On the very same day Noah and Shem and Ham and Japheth, the sons of Noah, and Noah’s wife and the three wives of his sons with them, entered the ark