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 | 43°F | 52% | 39 |
| 2 pm | 46°F | 59% | 42 |
| 3 pm | 48°F | 56% | 44 |
| 4 pm | 48°F | 53% | 46 |
| 5 pm | 47°F | 50% | 49 |
| 6 pm | 47°F | 60% | 51 |
| 7 pm | 46°F | 69% | 54 |
| 8 pm | 45°F | 79% | 56 |
| 9 pm | 45°F | 86% | 59 |
| 10 pm | 44°F | 93% | 61 |
| 11 pm | 44°F | 100% | 63 |
| 12 am | 43°F | 100% | 66 |
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!