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) |
|---|---|---|---|
| 3 am | 20°F | 68% | 0 |
| 4 am | 18°F | 72% | 0 |
| 5 am | 18°F | 75% | 0 |
| 6 am | 17°F | 81% | 0 |
| 7 am | 14°F | 82% | 0 |
| 8 am | 17°F | 82% | 0 |
| 9 am | 17°F | 71% | 0 |
| 10 am | 17°F | 61% | 0 |
| 11 am | 16°F | 50% | 0 |
| 12 pm | 16°F | 47% | 0 |
| 1 pm | 17°F | 45% | 0 |
| 2 pm | 17°F | 42% | 0 |
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!