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) |
|---|---|---|---|
| 8 am | 50°F | 7% | 108 |
| 9 am | 52°F | 7% | 104 |
| 10 am | 54°F | 6% | 101 |
| 11 am | 55°F | 11% | 98 |
| 12 pm | 56°F | 15% | 94 |
| 1 pm | 56°F | 15% | 91 |
| 2 pm | 56°F | 16% | 88 |
| 3 pm | 57°F | 16% | 84 |
| 4 pm | 58°F | 16% | 81 |
| 5 pm | 59°F | 15% | 78 |
| 6 pm | 58°F | 15% | 74 |
| 7 pm | 58°F | 10% | 71 |
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!