Hibbing, MN rainwater: 19,679 gallons off a roof
How much rain a roof in Hibbing, MN collects
19,679gallons a year
That is a 1,500 sq ft asphalt roof under Hibbing, MN's normal 24.8 inches of rain, about 795 gallons for every inch that falls.
In Hibbing, MN 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 Hibbing Chisholm Hibbing Ap station (5.1 mi away). Hibbing, MN ranks 102nd wettest of the 103 cities covered in Minnesota.
Month by month in Hibbing
| Month | Rain (in) | Off the roof (gal) | Garden shortfall (gal) |
|---|---|---|---|
| Jan | 0.51 | 405 | |
| Feb | 0.53 | 421 | |
| Mar | 0.91 | 723 | |
| Apr | 1.61 | 1,280 | 342 |
| May | 2.76 | 2,194 | 198 |
| Jun | 4.36 | 3,465 | |
| Jul | 3.85 | 3,060 | 62 |
| Aug | 3.09 | 2,456 | 157 |
| Sep | 3.06 | 2,432 | 161 |
| Oct | 2.35 | 1,868 | 249 |
| Nov | 1.09 | 866 | |
| Dec | 0.64 | 509 |
Jun is the wettest month (4.36 in, 3,465 gal off the roof); Jan the driest (0.51 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 Hibbing?
Best fit: one 55-gallon barrel, which delivers about 900 gallons to the garden in a normal year (77.0% 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 Hibbing's roof water will pass straight through it.
| Tank | Water used (gal/yr) | Spills over (gal/yr) |
|---|---|---|
| 55 gal | 900 | 17,940 |
| 110 gal | 962 | 17,877 |
| 165 gal | 962 | 17,877 |
| 275 gal | 962 | 17,877 |
| 550 gal | 962 | 17,877 |
| 1,000 gal | 962 | 17,877 |
| 1,500 gal | 962 | 17,877 |
| 2,500 gal | 962 | 17,877 |
| 5,000 gal | 962 | 17,877 |
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 Minnesota?
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