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 am | 38°F | 3% | 198 |
| 11 am | 39°F | 3% | 197 |
| 12 pm | 39°F | 3% | 197 |
| 1 pm | 39°F | 2% | 196 |
| 2 pm | 39°F | 2% | 195 |
| 3 pm | 38°F | 9% | 194 |
| 4 pm | 37°F | 17% | 193 |
| 5 pm | 36°F | 24% | 192 |
| 6 pm | 35°F | 29% | 192 |
| 7 pm | 34°F | 35% | 191 |
| 8 pm | 33°F | 40% | 190 |
| 9 pm | 33°F | 43% | 189 |
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!