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 | 39°F | 54% | 157 |
| 11 am | 40°F | 40% | 160 |
| 12 pm | 41°F | 31% | 163 |
| 1 pm | 41°F | 24% | 167 |
| 2 pm | 42°F | 19% | 170 |
| 3 pm | 43°F | 16% | 173 |
| 4 pm | 43°F | 17% | 177 |
| 5 pm | 44°F | 17% | 180 |
| 6 pm | 42°F | 16% | 183 |
| 7 pm | 42°F | 15% | 187 |
| 8 pm | 42°F | 17% | 190 |
| 9 pm | 40°F | 21% | 193 |
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!