1 place a piece of standard metal drip edge onto a table or between a pair of sawhorses.
Rain fell from a roof.
In this example 600 x 240 x 1 144 000 cubic inches of water.
It isn t uncommon for an area to collect up to 350mm of rain in just one month even in rural areas.
You might even want to know how many baths you could get from your rainstorm.
For example on a 2 000 square foot roof you can collect 2 000 x 0 56 1 120 gallons inch of rain.
Keep in mind most rain falls over 2 3 months of a year.
To calculate the runoff from any given rainfall.
So a 50 x 20 roof is 600 x 240 multiply the roof dimensions by the number of inches of rainfall.
Either way you would like to know how much rain has fallen how many gallons have come down from the skies onto your roof yard block or town.
However there is a way that you can redirect the rain off the roof so it falls harmlessly out of the way.
Block out distractions to.
In the form below choose an area s and a rainfall amount to see how many gallons of water fell from the sky onto that area.
An average suburban roof of 200m 2 with such a rain fall can potentially harvest 100 000l of rainwater 200m 2 500mm 100 000l.
Rain falls upon a tin roof creating a soothing rainstorm white noise that is perfect for helping you sleep study focus or relax.