Lindenhurst, NY rainwater: 37,714 gallons off a roof
How much rain a roof in Lindenhurst, NY collects
37,714gallons a year
That is a 1,500 sq ft asphalt roof under Lindenhurst, NY's normal 47.5 inches of rain, about 795 gallons for every inch that falls.
In Lindenhurst, NY a single barrel does most of the work. Storms come often enough that a small tank refills before it runs dry, and a bigger one would mostly sit full.
Rainfall: NOAA 1991-2020 climate normals, the Amityville 0.6 Nne station (2.1 mi away). Lindenhurst, NY ranks 41st wettest of the 90 cities covered in New York.
Month by month in Lindenhurst
| Month | Rain (in) | Off the roof (gal) | Garden shortfall (gal) |
|---|---|---|---|
| Jan | 3.65 | 2,901 | |
| Feb | 3.08 | 2,448 | |
| Mar | 4.62 | 3,672 | |
| Apr | 3.97 | 3,155 | 47 |
| May | 4.16 | 3,306 | 24 |
| Jun | 3.90 | 3,100 | 56 |
| Jul | 3.60 | 2,861 | 94 |
| Aug | 4.48 | 3,561 | |
| Sep | 4.17 | 3,314 | 22 |
| Oct | 3.92 | 3,116 | 54 |
| Nov | 3.35 | 2,663 | |
| Dec | 4.55 | 3,616 |
Mar is the wettest month (4.62 in, 3,672 gal off the roof); Feb the driest (3.08 in). Garden shortfall is what a 200 sq ft vegetable bed needs beyond the rain that lands on it, April to October.
Barrel or cistern in Lindenhurst?
Best fit: one 55-gallon barrel, which delivers about 241 gallons to the garden in a normal year (81.2% of its need).
If you buy one, a 55-gallon barrel with a downspout diverter is the whole job. Check that the overflow points away from your foundation, because most of Lindenhurst's roof water will pass straight through it.
| Tank | Water used (gal/yr) | Spills over (gal/yr) |
|---|---|---|
| 55 gal | 241 | 36,422 |
| 110 gal | 241 | 36,422 |
| 165 gal | 241 | 36,422 |
| 275 gal | 241 | 36,422 |
| 550 gal | 241 | 36,422 |
| 1,000 gal | 241 | 36,422 |
| 1,500 gal | 241 | 36,422 |
| 2,500 gal | 241 | 36,422 |
| 5,000 gal | 241 | 36,422 |
Simulated storm by storm through a normal year using the station's count of days with 0.1 in or more of rain each month.
Is rainwater collection legal in New York?
No statewide rainwater harvesting regulations; check county for local incentives
From the 2015 (Pacific Northwest National Laboratory report 24347); not yet re-checked against current law, so check with your state water agency before building anything large. Source