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 | 2°F | 0% | 69 |
| 9 am | 4°F | 0% | 76 |
| 10 am | 8°F | 0% | 82 |
| 11 am | 13°F | 0% | 88 |
| 12 pm | 18°F | 0% | 94 |
| 1 pm | 22°F | 0% | 101 |
| 2 pm | 24°F | 0% | 107 |
| 3 pm | 24°F | 0% | 113 |
| 4 pm | 24°F | 0% | 119 |
| 5 pm | 23°F | 1% | 126 |
| 6 pm | 23°F | 2% | 132 |
| 7 pm | 23°F | 4% | 138 |
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!