Pouring down from a somber sky

Pouring down from a somber sky,
like bullets upon the battlefield
the rain pounds the land once dry,
as does a drummer marching in the field.
Hitting like hammers, consistent concussions,
the rain bathes creature and creation alike,
nothing can stop this constant percussion
of beats dropping into sight.
Gloomy be this torrent
but the sun comes and banishes the tempest;
Thus ends the flooding dissipation.