5 The waters receded continually until the tenth month. In the tenth month, on the first day of the month, the tops of the mountains were seen.
*Minor differences ignored. Grouped by changes, with first version listed as example.
And the waters decreased continually until the (d) tenth month: in the tenth [month], on the first [day] of the month, were the tops of the mountains seen.
(d) Which was the month of December.
And the waters decreased continually until the tenth month,.... That is, from the seventeenth of the seventh month, to the first of the tenth month, a space of two months and thirteen days, and being summer time, through the heat of the sun, they decreased apace:
in the tenth month, on the first day of the month, were the tops of the mountains seen; not the tenth month of the flood, but of the year; the month Tammuz, as the Targum of Jonathan, and answers to part of June, and part of July; and the first day of this month, according to Bishop Usher (h), was Sunday the nineteenth of July: but according to Jarchi, whom Dr. Lightfoot (i) follows, this was the month Ab, which answers to July and August, the tenth from Marchesvan, when the rain began.
(h) Ut supra. (Annales Vet. Test. p. 4.) (i) Ut supra. (Works, vol 1. p. 6.)
And the waters decreased continually--The decrease of the waters was for wise reasons exceedingly slow and gradual--the period of their return being nearly twice as long as that of their rise.
The tops of the mountains were seen - Like little islands appearing above water. They felt ground above forty days before they saw it, according to Dr. Lightfoots's computation, whence he infers that if the waters decreased proportionably, the ark drew eleven cubits in water.
*More commentary available at chapter level.