Youngstown, OH rainwater: 33,398 gallons off a roof
How much rain a roof in Youngstown, OH collects
33,398gallons a year
That is a 1,500 sq ft asphalt roof under Youngstown, OH's normal 42.0 inches of rain, about 795 gallons for every inch that falls.
In Youngstown, OH 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 Canfield 0.5 N station (7.6 mi away). Youngstown, OH ranks 90th wettest of the 176 cities covered in Ohio.
Month by month in Youngstown
| Month | Rain (in) | Off the roof (gal) | Garden shortfall (gal) |
|---|---|---|---|
| Jan | 3.03 | 2,408 | |
| Feb | 2.35 | 1,868 | |
| Mar | 3.40 | 2,702 | |
| Apr | 3.90 | 3,100 | 56 |
| May | 4.01 | 3,187 | 42 |
| Jun | 4.14 | 3,290 | 26 |
| Jul | 4.23 | 3,362 | 15 |
| Aug | 3.55 | 2,822 | 100 |
| Sep | 3.74 | 2,973 | 76 |
| Oct | 3.50 | 2,782 | 106 |
| Nov | 3.05 | 2,424 | |
| Dec | 3.12 | 2,480 |
Jul is the wettest month (4.23 in, 3,362 gal off the roof); Feb the driest (2.35 in). Garden shortfall is what a 200 sq ft vegetable bed needs beyond the rain that lands on it, April to October.
Which tank size is worth it in Youngstown
Best fit: one 55-gallon barrel, which delivers about 318 gallons to the garden in a normal year (75.5% of its need).
If you set one up, a 55-gallon barrel with a downspout diverter is the whole job. Check that the overflow points away from your foundation, because most of Youngstown's roof water will pass straight through it.
| Tank | Water used (gal/yr) | Spills over (gal/yr) |
|---|---|---|
| 55 gal | 318 | 31,715 |
| 110 gal | 318 | 31,715 |
| 165 gal | 318 | 31,715 |
| 275 gal | 318 | 31,715 |
| 550 gal | 318 | 31,715 |
| 1,000 gal | 318 | 31,715 |
| 1,500 gal | 318 | 31,715 |
| 2,500 gal | 318 | 31,715 |
| 5,000 gal | 318 | 31,715 |
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 Ohio?
Legal. Ohio regulates rainwater cisterns used as a drinking-water source as private water systems (OAC chapter 3701-28): local health department permit, continuous disinfection and filtration. No state rule restricting non-potable collection or storage size.
Checked against the current source on 2026-11-06. Source