| 2009 | Trinity River Flow | ||
| Release from Lewiston | |||
| flow at whitewater runs are higher | |||
| because of additional tributary flow | |||
| date from | date to | flow in cfs | |
| (cubic ft/sec) | |||
| 16-Oct | 26-Apr | 300 | |
| 27-Apr | 900 | ||
| 28-Apr | 1,500 | ||
| 29-Apr | 2,500 | ||
| 30-Apr | 3,500 | ||
| 1-May | 5-May | 4,500 | |
| 6-May | 4,250 | ||
| 7-May | 4,000 | ||
| 8-May | 3,800 | ||
| 9-May | 3,600 | ||
| 10-May | 3,300 | ||
| 11-May | 3,000 | ||
| 12-May | 2,800 | ||
| 13-May | 2,600 | ||
| 14-May | 2,500 | ||
| 15-May | 2,400 | ||
| 16-May | 2,300 | ||
| 17-May | 2,200 | ||
| 18-May | 29-May | 2,000 | |
| 30-May | 1,750 | ||
| 31-May | 1,550 | ||
| 1-Jun | 1,350 | ||
| 2-Jun | 12-Jun | 1,200 | |
| 13-Jun | 1,050 | ||
| 14-Jun | 900 | ||
| 15-Jun | 800 | ||
| 16-Jun | 25-Jun | 700 | |
| 26-Jun | 670 | ||
| 27-Jun | 640 | ||
| 28-Jun | 630 | ||
| 29-Jun | 621 | ||
| 30-Jun | 594 | ||
| 1-Jul | 568 | ||
| 2-Jul | 544 | ||
| 3-Jul | 521 | ||
| 4-Jul | 498 | ||
| 5-Jul | 477 | ||
| 6-Jul | 15-Oct | 450 | |