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 | 46°F | 5% | 189 |
| 2 pm | 49°F | 9% | 188 |
| 3 pm | 51°F | 14% | 188 |
| 4 pm | 52°F | 18% | 187 |
| 5 pm | 52°F | 38% | 186 |
| 6 pm | 52°F | 57% | 185 |
| 7 pm | 52°F | 69% | 184 |
| 8 pm | 49°F | 82% | 183 |
| 9 pm | 49°F | 94% | 183 |
| 10 pm | 46°F | 71% | 182 |
| 11 pm | 46°F | 47% | 181 |
| 12 am | 45°F | 24% | 180 |
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!