Connersville, IN rainwater: 35,726 gallons off a roof
Rainwater from a roof in Connersville, IN
35,726gallons a year
That is a 1,500 sq ft asphalt roof under Connersville, IN's normal 45.0 inches of rain, about 795 gallons for every inch that falls.
In Connersville, 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 Alpine 2 Ne station (5.9 mi away). Connersville, IN ranks 27th wettest of the 88 cities covered in Indiana.
Month by month in Connersville
| Month | Rain (in) | Off the roof (gal) | Garden shortfall (gal) |
|---|---|---|---|
| Jan | 3.20 | 2,543 | |
| Feb | 2.68 | 2,130 | |
| Mar | 3.62 | 2,877 | |
| Apr | 4.72 | 3,751 | |
| May | 4.67 | 3,712 | |
| Jun | 5.30 | 4,212 | |
| Jul | 4.33 | 3,442 | 2 |
| Aug | 3.46 | 2,750 | 111 |
| Sep | 3.24 | 2,575 | 138 |
| Oct | 3.21 | 2,551 | 142 |
| Nov | 3.30 | 2,623 | |
| Dec | 3.22 | 2,559 |
Jun is the wettest month (5.30 in, 4,212 gal off the roof); Feb the driest (2.68 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 Connersville
Best fit: one 55-gallon barrel, which delivers about 326 gallons to the garden in a normal year (82.7% 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 Connersville's roof water will pass straight through it.
| Tank | Water used (gal/yr) | Spills over (gal/yr) |
|---|---|---|
| 55 gal | 326 | 34,156 |
| 110 gal | 326 | 34,156 |
| 165 gal | 326 | 34,156 |
| 275 gal | 326 | 34,156 |
| 550 gal | 326 | 34,156 |
| 1,000 gal | 326 | 34,156 |
| 1,500 gal | 326 | 34,156 |
| 2,500 gal | 326 | 34,156 |
| 5,000 gal | 326 | 34,156 |
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