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) |
|---|---|---|---|
| 8 am | 38°F | 1% | 199 |
| 9 am | 38°F | 1% | 194 |
| 10 am | 45°F | 1% | 190 |
| 11 am | 51°F | 1% | 186 |
| 12 pm | 56°F | 1% | 181 |
| 1 pm | 61°F | 1% | 177 |
| 2 pm | 64°F | 1% | 173 |
| 3 pm | 67°F | 1% | 168 |
| 4 pm | 70°F | 2% | 164 |
| 5 pm | 73°F | 2% | 160 |
| 6 pm | 68°F | 2% | 155 |
| 7 pm | 64°F | 3% | 151 |
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!