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) |
|---|---|---|---|
| 5 pm | 90°F | 15% | 141 |
| 6 pm | 90°F | 17% | 132 |
| 7 pm | 87°F | 17% | 123 |
| 8 pm | 85°F | 17% | 115 |
| 9 pm | 82°F | 9% | 106 |
| 10 pm | 79°F | 1% | 97 |
| 11 pm | 78°F | 1% | 89 |
| 12 am | 76°F | 1% | 80 |
| 1 am | 75°F | 0% | 71 |
| 2 am | 73°F | 0% | 63 |
| 3 am | 72°F | 0% | 54 |
| 4 am | 71°F | 0% | 45 |
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!