2000 Sqft Roof 1inch Of Rain How Much Water

Keep in mind most rain falls over 2 3 months of a year.
2000 sqft roof 1inch of rain how much water. A 2000 sq foot roof would collect 1579 gallons of rain if 1 inch fell for instance. How much water falls during a storm. How much rain water runs off your roof. How much water on one square foot will one inch of rain produce.
Your roof catchment area is thus 2 000 square feet. Just a half inch of rain falling on a 1 000 square foot roof will yield 300 gallons of water. To find how much rain you can collect in an average rain year multiply this number by the average inches of rain. Take a guess what is the volume of water that runs off a 1 000 square foot roof during a 1.
For example on a 2 000 square foot roof you can collect 2 000 x 0 56 1 120 gallons inch of rain. 12 x 12 x 1 144 cubic inches which is equal to 623 gallons therefore a one thousand square foot roof receiving one inch of. How many gallons of water in a 36 inch deep 12 foot round pool. To get an idea how much water the roof of your own house might yield use the rainfall harvest calculator above.
It isn t uncommon for an area to collect up to 350mm of rain in just one month even in rural areas. 3 to account for losses and inefficiency you can expect to collect about 75 of the actual rainfall so your calculation should be multiplied by 75. Since one inch of rainfall provides approximately 600 gallons of water for a 1 000 square foot catchment area and our theoretical house has a 2 000 square foot catchment area twice the area you will multiply 600 gallons by 2. So if you have 2 500 square feet of roof available for water catchment and a single inch of rain falls one day we see that.
An average suburban roof of 200m 2 with such a rain fall can potentially harvest 100 000l of rainwater 200m 2 500mm 100 000l. It is the middle of july in georgia and both you and your tomatoes are wilting in your yard both looking to the sky and hoping for rain. You may be as astonished as we were to learn how much water runs off a roof in a rain storm.