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) |
|---|---|---|---|
| 3 pm | 43°F | 47% | 767 |
| 4 pm | 44°F | 56% | 695 |
| 5 pm | 44°F | 66% | 624 |
| 6 pm | 44°F | 61% | 553 |
| 7 pm | 43°F | 57% | 481 |
| 8 pm | 43°F | 52% | 410 |
| 9 pm | 42°F | 41% | 339 |
| 10 pm | 42°F | 30% | 267 |
| 11 pm | 42°F | 22% | 196 |
| 12 am | 41°F | 13% | 125 |
| 1 am | 39°F | 10% | 53 |
| 2 am | 38°F | 6% | -18 |
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!