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 am | 47°F | 63% | 381 |
| 9 am | 48°F | 46% | 487 |
| 10 am | 50°F | 34% | 593 |
| 11 am | 51°F | 24% | 699 |
| 12 pm | 53°F | 16% | 805 |
| 1 pm | 55°F | 39% | 911 |
| 2 pm | 55°F | 53% | 1016 |
| 3 pm | 55°F | 49% | 1122 |
| 4 pm | 55°F | 39% | 1228 |
| 5 pm | 55°F | 38% | 1334 |
| 6 pm | 55°F | 34% | 1440 |
| 7 pm | 54°F | 43% | 1546 |
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!