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) |
|---|---|---|---|
| 12 pm | 64°F | 26% | 54 |
| 1 pm | 65°F | 43% | 54 |
| 2 pm | 66°F | 60% | 54 |
| 3 pm | 65°F | 78% | 54 |
| 4 pm | 64°F | 76% | 54 |
| 5 pm | 62°F | 75% | 54 |
| 6 pm | 61°F | 74% | 54 |
| 7 pm | 60°F | 57% | 54 |
| 8 pm | 59°F | 40% | 54 |
| 9 pm | 59°F | 23% | 54 |
| 10 pm | 59°F | 17% | 54 |
| 11 pm | 58°F | 12% | 54 |
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!