Lincoln City, OR rainwater: 76,611 gallons off a roof
Rainwater from a roof in Lincoln City, OR
76,611gallons a year
That is a 1,500 sq ft asphalt roof under Lincoln City, OR's normal 96.4 inches of rain, about 795 gallons for every inch that falls.
In Lincoln City, OR 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 Otis 2 Ne station (5.5 mi away). Lincoln City, OR ranks 1st wettest of the 57 cities covered in Oregon.
Month by month in Lincoln City
| Month | Rain (in) | Off the roof (gal) | Garden shortfall (gal) |
|---|---|---|---|
| Jan | 14.58 | 11,588 | |
| Feb | 10.53 | 8,369 | |
| Mar | 10.79 | 8,576 | |
| Apr | 8.17 | 6,494 | |
| May | 4.69 | 3,728 | |
| Jun | 3.50 | 2,782 | 106 |
| Jul | 0.90 | 715 | 430 |
| Aug | 1.40 | 1,113 | 368 |
| Sep | 3.38 | 2,686 | 121 |
| Oct | 8.47 | 6,732 | |
| Nov | 14.13 | 11,231 | |
| Dec | 15.85 | 12,598 |
Dec is the wettest month (15.85 in, 12,598 gal off the roof); Jul the driest (0.90 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 Lincoln City
Best fit: 2 linked 55-gallon barrels, which delivers about 851 gallons to the garden in a normal year (83.0% 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 Lincoln City's roof water will pass straight through it.
| Tank | Water used (gal/yr) | Spills over (gal/yr) |
|---|---|---|
| 55 gal | 548 | 73,933 |
| 110 gal | 851 | 73,631 |
| 165 gal | 899 | 73,582 |
| 275 gal | 899 | 73,582 |
| 550 gal | 899 | 73,582 |
| 1,000 gal | 899 | 73,582 |
| 1,500 gal | 899 | 73,582 |
| 2,500 gal | 899 | 73,582 |
| 5,000 gal | 899 | 73,582 |
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 Oregon?
Collecting and using rain from an artificial impervious surface (e.g. a rooftop) is an exempt use: no water right application, permit or certificate needed. Statute sets no storage cap in this section.
Checked against the current source on 2026-11-06. Source