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 pm | 59°F | 100% | 16 |
| 4 pm | 59°F | 100% | 17 |
| 5 pm | 59°F | 100% | 17 |
| 6 pm | 59°F | 100% | 18 |
| 7 pm | 58°F | 81% | 19 |
| 8 pm | 58°F | 70% | 20 |
| 9 pm | 57°F | 59% | 21 |
| 10 pm | 57°F | 46% | 22 |
| 11 pm | 56°F | 37% | 22 |
| 12 am | 56°F | 25% | 23 |
| 1 am | 56°F | 20% | 24 |
| 2 am | 56°F | 17% | 25 |
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!