Rain Water Falling From Roof

Gutters and a downspout.

Rain water falling from roof.

Rainwater harvesting is collecting the run off from a structure or other impervious surface in order to store it for later use. Hi al we re in l a. The rain will collect in gutters that channel the water into downspouts and then into some sort of storage vessel. Ben erickson september 2 2009 at 8 12 am.

This calculation assumes a 90 efficiency. 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. It isn t uncommon for an area to collect up to 350mm of rain in just one month even in rural areas. Rain barrel supplies list.

Lower alabama and rain diverters work great here. To find how much rain you can collect in an average rain year multiply this number by the average inches of rain. If you don t already have rain gutters on your house this one time investment is. Just a half inch of rain falling on a 1 000 square foot roof will yield 300 gallons of water.

Keep in mind most rain falls over 2 3 months of a year. For example on a 2 000 square foot roof you can collect 2 000 x 0 56 1 120 gallons inch of rain. 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. Block out distractions to.

Traditionally this involves harvesting the rain from a roof. And even when clean a hard rain will drive the water down the roof and over the gutter. How to redirect rain off a roof. An average suburban roof of 200m 2 with such a rain fall can potentially harvest 100 000l of rainwater 200m 2 500mm 100 000l.

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. There are times when it rains especially during big storms that water cascades off of a roof like a waterfall.