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) |
|---|---|---|---|
| 10 am | 53°F | 87% | 209 |
| 11 am | 53°F | 80% | 218 |
| 12 pm | 53°F | 70% | 228 |
| 1 pm | 54°F | 77% | 237 |
| 2 pm | 56°F | 82% | 247 |
| 3 pm | 57°F | 81% | 256 |
| 4 pm | 57°F | 81% | 266 |
| 5 pm | 58°F | 81% | 275 |
| 6 pm | 59°F | 81% | 285 |
| 7 pm | 58°F | 85% | 294 |
| 8 pm | 56°F | 89% | 304 |
| 9 pm | 55°F | 93% | 313 |
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!