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 pm | 70°F | 60% | 393 |
| 2 pm | 72°F | 53% | 388 |
| 3 pm | 73°F | 52% | 384 |
| 4 pm | 74°F | 50% | 379 |
| 5 pm | 75°F | 41% | 375 |
| 6 pm | 75°F | 52% | 370 |
| 7 pm | 73°F | 50% | 366 |
| 8 pm | 73°F | 40% | 361 |
| 9 pm | 71°F | 16% | 357 |
| 10 pm | 67°F | 13% | 352 |
| 11 pm | 66°F | 11% | 348 |
| 12 am | 65°F | 9% | 343 |
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!