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) |
|---|---|---|---|
| 12 am | 64°F | 5% | 107 |
| 1 am | 63°F | 3% | 111 |
| 2 am | 62°F | 2% | 116 |
| 3 am | 61°F | 3% | 120 |
| 4 am | 59°F | 3% | 125 |
| 5 am | 58°F | 3% | 130 |
| 6 am | 58°F | 3% | 134 |
| 7 am | 57°F | 3% | 139 |
| 8 am | 59°F | 1% | 143 |
| 9 am | 62°F | 0% | 148 |
| 10 am | 66°F | 0% | 153 |
| 11 am | 72°F | 0% | 157 |
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!