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) |
|---|---|---|---|
| 1 am | 12°F | 4% | 77 |
| 2 am | 12°F | 4% | 81 |
| 3 am | 10°F | 4% | 84 |
| 4 am | 12°F | 5% | 88 |
| 5 am | 11°F | 3% | 91 |
| 6 am | 11°F | 2% | 95 |
| 7 am | 11°F | 2% | 98 |
| 8 am | 11°F | 3% | 102 |
| 9 am | 12°F | 3% | 105 |
| 10 am | 16°F | 2% | 109 |
| 11 am | 20°F | 2% | 112 |
| 12 pm | 22°F | 2% | 116 |
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!