Logansport, IN rainwater: 32,825 gallons off a roof
Rainwater from a roof in Logansport, IN
32,825gallons a year
That is a 1,500 sq ft asphalt roof under Logansport, IN's normal 41.3 inches of rain, about 795 gallons for every inch that falls.
In Logansport, 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 Logansport Cicott St station (1.7 mi away). Logansport, IN ranks 53rd wettest of the 88 cities covered in Indiana.
Month by month in Logansport
| Month | Rain (in) | Off the roof (gal) | Garden shortfall (gal) |
|---|---|---|---|
| Jan | 2.63 | 2,090 | |
| Feb | 2.02 | 1,606 | |
| Mar | 2.69 | 2,138 | |
| Apr | 3.77 | 2,996 | 72 |
| May | 4.35 | 3,457 | |
| Jun | 4.77 | 3,791 | |
| Jul | 4.78 | 3,799 | |
| Aug | 4.36 | 3,465 | |
| Sep | 3.27 | 2,599 | 135 |
| Oct | 3.02 | 2,400 | 166 |
| Nov | 3.13 | 2,488 | |
| Dec | 2.51 | 1,995 |
Jul is the wettest month (4.78 in, 3,799 gal off the roof); Feb the driest (2.02 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 Logansport?
Best fit: one 55-gallon barrel, which delivers about 299 gallons to the garden in a normal year (80.2% 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 Logansport's roof water will pass straight through it.
| Tank | Water used (gal/yr) | Spills over (gal/yr) |
|---|---|---|
| 55 gal | 299 | 31,371 |
| 110 gal | 299 | 31,371 |
| 165 gal | 299 | 31,371 |
| 275 gal | 299 | 31,371 |
| 550 gal | 299 | 31,371 |
| 1,000 gal | 299 | 31,371 |
| 1,500 gal | 299 | 31,371 |
| 2,500 gal | 299 | 31,371 |
| 5,000 gal | 299 | 31,371 |
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