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 | 70°F | 78% | 42 |
| 2 pm | 71°F | 72% | 47 |
| 3 pm | 71°F | 91% | 52 |
| 4 pm | 72°F | 86% | 57 |
| 5 pm | 72°F | 77% | 61 |
| 6 pm | 71°F | 75% | 66 |
| 7 pm | 71°F | 74% | 71 |
| 8 pm | 71°F | 70% | 76 |
| 9 pm | 69°F | 81% | 81 |
| 10 pm | 68°F | 80% | 85 |
| 11 pm | 67°F | 76% | 90 |
| 12 am | 67°F | 65% | 95 |
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!