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) |
|---|---|---|---|
| 4 pm | 49°F | 9% | 100 |
| 5 pm | 50°F | 10% | 99 |
| 6 pm | 49°F | 11% | 98 |
| 7 pm | 48°F | 11% | 97 |
| 8 pm | 45°F | 9% | 96 |
| 9 pm | 41°F | 5% | 95 |
| 10 pm | 39°F | 4% | 94 |
| 11 pm | 37°F | 2% | 93 |
| 12 am | 36°F | 1% | 92 |
| 1 am | 34°F | 1% | 91 |
| 2 am | 33°F | 0% | 90 |
| 3 am | 31°F | 0% | 89 |
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!