WebSo for each inch of rainfall, your roof could collect 1,246 gallons of rainwater. 4) Since Santa Fe receives an average of 14.2 inches of rain per year, multiply your roof’s yield … WebThis calculation assumes a 90% efficiency. To find how much rain you can collect in an average rain year multiply this number by the average inches of rain. For example, on a 2,000 square foot roof, you can collect 2,000 x 0.56 = 1,120 gallons/inch of rain. If your average rainfall was 25 inches/year, your annual collection potential is 1,120 x ...
Rainwater Harvesting Calculator, Formulas, and Equations
WebRainwater Collection Calculation Formulas and Equations. Roof Area (ft2) X Precipitation Amount (in) X 0.623 = Amount Collected (gallons) Easy Formula to Remember: 1″ of Rain on 1,000 sf Roof will Yield 623 Gallons. Roof Area (m2) X Precipitation Amount (mm) = Amount Collected (liters) Web14 okt. 2024 · The next time you receive measurable precipitation, you can go to the US Geological Survey’s rainfall calculator and see for yourself how much water actually fell on the area you’re inputting. Using my quarter-acre lot as an example, 1/4-inch of rain equates to 1,697 gallons of water, enough for forty-two 40-gallon baths. port of tyne newcastle
The Atmosphere - Review Questions - National Weather Service
WebHow many gallon of water in 1 inch rainfall per square foot of Multiply the depth 36037 ft by 7.48052 to get the gallons of water in one square foot 36037 ft 7.48052 = 269,575.5 US gal/sq. ft . Verify this Web17 uur geleden · Assuming a collection efficiency of about 80 percent, it turns out that this volume is roughly 1,000 gallons for every inch of rainfall that falls on a 2,000 square-foot roof. In Texas, average annual rainfall ranges from about 10 inches in the western parts of the state to over 60 inches in the eastern areas. Thus, a homeowner in West Texas ... iron man 3 full movie free download