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) |
|---|---|---|---|
| 12 pm | 28°F | 0% | 102 |
| 1 pm | 31°F | 0% | 112 |
| 2 pm | 33°F | 0% | 122 |
| 3 pm | 35°F | 0% | 132 |
| 4 pm | 36°F | 0% | 142 |
| 5 pm | 36°F | 0% | 152 |
| 6 pm | 33°F | 0% | 162 |
| 7 pm | 29°F | 0% | 172 |
| 8 pm | 26°F | 0% | 182 |
| 9 pm | 25°F | 1% | 192 |
| 10 pm | 25°F | 1% | 202 |
| 11 pm | 25°F | 2% | 212 |
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!