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) |
|---|---|---|---|
| 1 pm | 42°F | 52% | 183 |
| 2 pm | 44°F | 77% | 181 |
| 3 pm | 46°F | 77% | 179 |
| 4 pm | 47°F | 73% | 178 |
| 5 pm | 48°F | 57% | 176 |
| 6 pm | 48°F | 41% | 174 |
| 7 pm | 48°F | 50% | 173 |
| 8 pm | 47°F | 58% | 171 |
| 9 pm | 46°F | 67% | 169 |
| 10 pm | 45°F | 72% | 168 |
| 11 pm | 45°F | 77% | 166 |
| 12 am | 44°F | 89% | 164 |
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!