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 pm | 57°F | 0% | 73 |
| 2 pm | 59°F | 0% | 72 |
| 3 pm | 60°F | 0% | 71 |
| 4 pm | 62°F | 1% | 70 |
| 5 pm | 62°F | 2% | 69 |
| 6 pm | 63°F | 3% | 68 |
| 7 pm | 62°F | 4% | 67 |
| 8 pm | 60°F | 5% | 66 |
| 9 pm | 56°F | 8% | 65 |
| 10 pm | 54°F | 10% | 64 |
| 11 pm | 52°F | 13% | 63 |
| 12 am | 51°F | 15% | 62 |
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!