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Originally Posted by IROC
Another way to visualize 1 m of rain is that it equates to about 19,600 gallons per acre. So, it's like having a small swimming pool dumped on every yard in a residential neighborhood.
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I'm not a math guy but I found this on a Google search of "inches of rain to gallons per acre".
Quote:
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Volume and weight. One inch of rain falling on 1 acre of ground is equal to about 27,154 gallons and weighs about 113 tons.
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So wouldn't that mean that 30" of rain on an acre would equate to 814,620 gallons?
Again I'm not a math guy.