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 pm | 91°F | 36% | 22 |
| 9 pm | 88°F | 31% | 22 |
| 10 pm | 86°F | 31% | 21 |
| 11 pm | 83°F | 31% | 21 |
| 12 am | 81°F | 30% | 20 |
| 1 am | 79°F | 30% | 20 |
| 2 am | 77°F | 30% | 19 |
| 3 am | 76°F | 30% | 19 |
| 4 am | 75°F | 30% | 18 |
| 5 am | 75°F | 27% | 18 |
| 6 am | 75°F | 25% | 17 |
| 7 am | 76°F | 22% | 17 |
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!