Palatka, FL rainwater: 44,453 gallons off a roof
How much rain a roof in Palatka, FL collects
44,453gallons a year
That is a 1,500 sq ft asphalt roof under Palatka, FL's normal 55.9 inches of rain, about 795 gallons for every inch that falls.
In Palatka, FL 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 East Palatka 3.5 Nnw station (4.2 mi away). Palatka, FL ranks 89th wettest of the 173 cities covered in Florida.
Month by month in Palatka
| Month | Rain (in) | Off the roof (gal) | Garden shortfall (gal) |
|---|---|---|---|
| Jan | 3.11 | 2,472 | |
| Feb | 2.84 | 2,257 | |
| Mar | 3.43 | 2,726 | |
| Apr | 2.93 | 2,329 | 177 |
| May | 4.05 | 3,219 | 37 |
| Jun | 8.40 | 6,676 | |
| Jul | 7.03 | 5,587 | |
| Aug | 7.29 | 5,794 | |
| Sep | 6.84 | 5,436 | |
| Oct | 4.22 | 3,354 | 16 |
| Nov | 2.96 | 2,353 | |
| Dec | 2.83 | 2,249 |
Jun is the wettest month (8.40 in, 6,676 gal off the roof); Dec the driest (2.83 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 Palatka
Best fit: one 55-gallon barrel, which delivers about 204 gallons to the garden in a normal year (88.4% 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 Palatka's roof water will pass straight through it.
| Tank | Water used (gal/yr) | Spills over (gal/yr) |
|---|---|---|
| 55 gal | 204 | 43,154 |
| 110 gal | 204 | 43,154 |
| 165 gal | 204 | 43,154 |
| 275 gal | 204 | 43,154 |
| 550 gal | 204 | 43,154 |
| 1,000 gal | 204 | 43,154 |
| 1,500 gal | 204 | 43,154 |
| 2,500 gal | 204 | 43,154 |
| 5,000 gal | 204 | 43,154 |
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 Florida?
Legal. Florida approves onsite non-potable use of rainwater for landscape irrigation, vehicle washing, filling pools and fountains and, in some local jurisdictions, toilet/urinal flushing (Florida Plumbing Code). No state storage cap or registration for non-potable collection.
Checked against the current source on 2026-11-06. Source