Genesis 8:5

But, the waters went on decreasing, until the tenth month, - in the tenth month , on the first of the month, were seen the tops of the mountains.

Genesis 7:11

In the six hundredth year, the year of the life of Noah. in the second month on the seventeenth day of the month on this day, were burst open all the fountains of the great roaring deep, and the windows of the heavens, were set open.

Treasury of Scripture Knowledge

Summary

And the waters decreased continually until the tenth month: in the tenth month, on the first day of the month, were the tops of the mountains seen.

Decreased continually

Bible References

Decreased continually

Genesis 7:11
In the six hundredth year, the year of the life of Noah. in the second month on the seventeenth day of the month on this day, were burst open all the fountains of the great roaring deep, and the windows of the heavens, were set open.