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) |
|---|---|---|---|
| 5 am | 56°F | 73% | 91 |
| 6 am | 56°F | 73% | 85 |
| 7 am | 55°F | 77% | 79 |
| 8 am | 55°F | 81% | 73 |
| 9 am | 55°F | 82% | 66 |
| 10 am | 56°F | 79% | 60 |
| 11 am | 57°F | 76% | 54 |
| 12 pm | 58°F | 77% | 48 |
| 1 pm | 58°F | 78% | 41 |
| 2 pm | 59°F | 77% | 35 |
| 3 pm | 59°F | 79% | 29 |
| 4 pm | 59°F | 77% | 23 |
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!