This calculation assumes a 90 efficiency.
Rain water falling from roof.
Rain falls upon a tin roof creating a soothing rainstorm white noise that is perfect for helping you sleep study focus or relax.
Traditionally this involves harvesting the rain from a roof.
To find how much rain you can collect in an average rain year multiply this number by the average inches of rain.
To get an idea how much water the roof of your own house might yield use the rainfall harvest calculator above.
There are times when it rains especially during big storms that water cascades off of a roof like a waterfall.
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.
Just a half inch of rain falling on a 1 000 square foot roof will yield 300 gallons of water.
How to redirect rain off a roof.
Rain barrel supplies list.
You may need to clean off any leaves and debris that build up behind it from time to time pine straw is the worst if the wind.
If you don t already have rain gutters on your house this one time investment is.
While this is a normal aspect of roofing and.
Hi al we re in l a.
And even when clean a hard rain will drive the water down the roof and over the gutter.
Keep in mind most rain falls over 2 3 months of a year.
Gutters and a downspout.
Ben erickson september 2 2009 at 8 12 am.
Or maybe a low pressure cell has been napping overhead and your arm is hurting from holding that umbrella while you watch your basement fill up with water.
For example on a 2 000 square foot roof you can collect 2 000 x 0 56 1 120 gallons inch of rain.
An average suburban roof of 200m 2 with such a rain fall can potentially harvest 100 000l of rainwater 200m 2 500mm 100 000l.
Lower alabama and rain diverters work great here.
The rain will collect in gutters that channel the water into downspouts and then into some sort of storage vessel.