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 | 40°F | 8% | 155 |
| 2 am | 40°F | 8% | 156 |
| 3 am | 40°F | 11% | 157 |
| 4 am | 40°F | 11% | 159 |
| 5 am | 40°F | 14% | 160 |
| 6 am | 41°F | 17% | 161 |
| 7 am | 41°F | 20% | 163 |
| 8 am | 42°F | 17% | 164 |
| 9 am | 43°F | 17% | 165 |
| 10 am | 46°F | 16% | 167 |
| 11 am | 50°F | 14% | 168 |
| 12 pm | 54°F | 12% | 169 |
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!