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 pm | 65°F | 51% | 98 |
| 9 pm | 65°F | 36% | 96 |
| 10 pm | 63°F | 31% | 95 |
| 11 pm | 63°F | 25% | 94 |
| 12 am | 63°F | 20% | 92 |
| 1 am | 62°F | 17% | 91 |
| 2 am | 61°F | 14% | 90 |
| 3 am | 61°F | 11% | 88 |
| 4 am | 61°F | 9% | 87 |
| 5 am | 61°F | 8% | 86 |
| 6 am | 60°F | 6% | 84 |
| 7 am | 59°F | 4% | 83 |
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!