RoofRainYield

Yorktown, IN rainwater: 33,660 gallons off a roof

Rainwater from a roof in Yorktown, IN

33,660gallons a year

That is a 1,500 sq ft asphalt roof under Yorktown, IN's normal 42.4 inches of rain, about 795 gallons for every inch that falls.

In Yorktown, IN 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 Yorktown 1.1 Nnw station (1.0 mi away). Yorktown, IN ranks 45th wettest of the 88 cities covered in Indiana.

Month by month in Yorktown

MonthRain (in)Off the roof (gal)Garden shortfall (gal)
Jan2.922,321
Feb2.401,908
Mar3.222,559
Apr3.983,16346
May4.673,712
Jun5.023,990
Jul4.263,38611
Aug3.482,766108
Sep2.982,369171
Oct3.172,520147
Nov3.372,678
Dec2.882,289

Jun is the wettest month (5.02 in, 3,990 gal off the roof); Feb the driest (2.40 in). Garden shortfall is what a 200 sq ft vegetable bed needs beyond the rain that lands on it, April to October.

What size rain barrel for Yorktown

Best fit: one 55-gallon barrel, which delivers about 391 gallons to the garden in a normal year (80.8% of its need).

Before you buy, a 55-gallon barrel with a downspout diverter is the whole job. Check that the overflow points away from your foundation, because most of Yorktown's roof water will pass straight through it.

TankWater used (gal/yr)Spills over (gal/yr)
55 gal39132,099
110 gal39132,099
165 gal39132,099
275 gal39132,099
550 gal39132,099
1,000 gal39132,099
1,500 gal39132,099
2,500 gal39132,099
5,000 gal39132,099

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 Indiana?

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