Rain fall

Average about 4.6 inches of rain a month.

1″ of rain on 1 square foot = .6234 gallons
1ccf = 748 gallons – cost $9.08

2160 sq feet of building
1″ = 1,346.54 gallons – 1.8ccf
3″ = 4,039.63 gallons – 5.4ccf
5″ = 6,732.7 gallons – 9ccf