Hobart, IN rainwater: 33,167 gallons off a roof
How much rain a roof in Hobart, IN collects
33,167gallons a year
That is a 1,500 sq ft asphalt roof under Hobart, IN's normal 41.7 inches of rain, about 795 gallons for every inch that falls.
In Hobart, 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 Winfield 1.2 Ne station (6.4 mi away). Hobart, IN ranks 49th wettest of the 88 cities covered in Indiana.
Month by month in Hobart
| Month | Rain (in) | Off the roof (gal) | Garden shortfall (gal) |
|---|---|---|---|
| Jan | 2.59 | 2,059 | |
| Feb | 2.41 | 1,915 | |
| Mar | 2.39 | 1,900 | |
| Apr | 3.71 | 2,949 | 80 |
| May | 4.43 | 3,521 | |
| Jun | 4.83 | 3,839 | |
| Jul | 4.28 | 3,402 | 9 |
| Aug | 4.58 | 3,640 | |
| Sep | 3.55 | 2,822 | 100 |
| Oct | 3.76 | 2,988 | 74 |
| Nov | 2.84 | 2,257 | |
| Dec | 2.36 | 1,876 |
Jun is the wettest month (4.83 in, 3,839 gal off the roof); Dec the driest (2.36 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 Hobart?
Best fit: one 55-gallon barrel, which delivers about 205 gallons to the garden in a normal year (78.3% 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 Hobart's roof water will pass straight through it.
| Tank | Water used (gal/yr) | Spills over (gal/yr) |
|---|---|---|
| 55 gal | 205 | 31,808 |
| 110 gal | 205 | 31,808 |
| 165 gal | 205 | 31,808 |
| 275 gal | 205 | 31,808 |
| 550 gal | 205 | 31,808 |
| 1,000 gal | 205 | 31,808 |
| 1,500 gal | 205 | 31,808 |
| 2,500 gal | 205 | 31,808 |
| 5,000 gal | 205 | 31,808 |
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