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) |
|---|---|---|---|
| 2 am | 55°F | 12% | 115 |
| 3 am | 54°F | 15% | 115 |
| 4 am | 54°F | 24% | 114 |
| 5 am | 53°F | 42% | 114 |
| 6 am | 53°F | 58% | 113 |
| 7 am | 53°F | 64% | 113 |
| 8 am | 52°F | 67% | 112 |
| 9 am | 52°F | 65% | 112 |
| 10 am | 54°F | 62% | 111 |
| 11 am | 57°F | 66% | 111 |
| 12 pm | 61°F | 53% | 110 |
| 1 pm | 63°F | 33% | 110 |
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!