You asked: How much water is an inch of rain per acre?
One inch of rain falling on 1 acre of ground is equal to about 27,154 gallons and weighs about 113 tons. An inch of snow falling evenly on 1 acre of ground is equivalent to about 2,715 gallons of water. How much water does it take to cover 1 inch of an acre? Acre-inch (ac-in) …