Good tubing on the Mill River in Northampton, MA, USA is defined as: temperature at least 76°F, chance of precipitation 30% or less, flow rate between 120 and 250 cubic feet per second.
| hour | temperature | precipitation | flow rate (cfps) |
|---|---|---|---|
| 10 pm | 30°F | 12% | 35 |
| 11 pm | 30°F | 19% | 34 |
| 12 am | 29°F | 25% | 34 |
| 1 am | 29°F | 27% | 33 |
| 2 am | 28°F | 35% | 32 |
| 3 am | 27°F | 38% | 32 |
| 4 am | 26°F | 37% | 31 |
| 5 am | 26°F | 36% | 30 |
| 6 am | 25°F | 33% | 30 |
| 7 am | 24°F | 26% | 29 |
| 8 am | 24°F | 20% | 28 |
| 9 am | 23°F | 13% | 28 |
The photo above was taken on Sunday, August 28, 2011, at noon. The flow rate at that time was 4,380 cubic feet per second. It peaked a couple hours later at 7,020 cfps. Not good tubing!