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 am | 33°F | 0% | 190 |
| 2 am | 32°F | 0% | 189 |
| 3 am | 32°F | 0% | 187 |
| 4 am | 31°F | 0% | 185 |
| 5 am | 31°F | 1% | 184 |
| 6 am | 31°F | 1% | 182 |
| 7 am | 30°F | 2% | 180 |
| 8 am | 30°F | 2% | 179 |
| 9 am | 31°F | 3% | 177 |
| 10 am | 31°F | 3% | 175 |
| 11 am | 34°F | 3% | 174 |
| 12 pm | 38°F | 3% | 172 |
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!