| Fork length distribution of juvenile chum sampled below Bonneville Dam, 2006 | |||||||||||||||||
| Bonneville Dam | |||||||||||||||||
| Number of chum in millimeters | Mean length | % chm | tailwater | discharge | water | ||||||||||||
| Week | Date | Total | Range | 30-39 | 40-49 | 50-59 | 60-69 | 70-79 | 80-89 | 90-100 | > 100 | CHM < 100 | < 60mm | 60-100mm | (ft.)* | (kcfs)* | temp. (oF) |
| 8 | 14-Feb | 2 | 38-39 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 39 | 100% | 0% | 17.4 | 189.4 | 40.4 |
| 10 | 28-Feb | 3 | 36-41 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 39 | 100% | 0% | 15.5 | 172.7 | 38.4 |
| 11 | 7-Mar | 1 | 39 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 39 | 100% | 0% | 15.9 | 185.8 | 40.7 |
| 11 | 10-Mar | 9 | 38-44 | 3 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 41 | 100% | 0% | 16.4 | 184.0 | 40.4 |
| 12 | 17-Mar | 16 | 39-44 | 2 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 41 | 100% | 0% | 13.0 | 155.5 | 41.5 |
| 13 | 21-Mar | 23 | 38-47 | 4 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 41 | 100% | 0% | 13.1 | 150.8 | 42.4 |
| 13 | 24-Mar | 46 | 39-46 | 8 | 38 | 0 | 0 | 0 | 0 | 0 | 0 | 42 | 100% | 0% | 11.6 | 115.3 | 43.2 |
| 14 | 28-Mar | 37 | 37-46 | 3 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 42 | 100% | 0% | 16.6 | 194.2 | 44.3 |
| 14 | 31-Mar | 12 | 42-51 | 0 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 44 | 100% | 0% | 17.1 | 203.6 | 46.0 |
| 15 | 3-Apr | 116 | 37-58 | 23 | 90 | 3 | 0 | 0 | 0 | 0 | 0 | 42 | 100% | 0% | 17.1 | 191.3 | 46.6 |
| 15 | 6-Apr | 1 | 44 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 44 | 100% | 0% | 22.5 | 283.8 | 47.2 |
| 16 | 11-Apr | 15 | 39-50 | 2 | 12 | 1 | 0 | 0 | 0 | 0 | 0 | 43 | 100% | 0% | 25.2 | 348.6 | 47.6 |
| 16 | 14-Apr | 17 | 34-64 | 6 | 10 | 0 | 1 | 0 | 0 | 0 | 0 | 42 | 94% | 6% | 23.9 | 323.1 | 48.1 |
| 17 | 17-Apr | 2 | 47-48 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 48 | 100% | 0% | 25.9 | 359.6 | 48.2 |
| 17 | 20-Apr | 1 | 35 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 35 | 100% | 0% | 26.4 | 366.8 | 48.7 |
| 18 | 24-Apr | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24.1 | 325.2 | 49.8 | |||
| 18 | 27-Apr | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25.0 | 343.7 | 50.4 | |||
| 19 | 1-May | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26.1 | 340.1 | 51.6 | |||
| 19 | 4-May | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25.7 | 364.5 | 53.5 | |||
| 20 | 8-May | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22.9 | 318.8 | 52.8 | |||
| 20 | 11-May | 1 | 40 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 40 | 100% | 0% | 19.5 | 296.7 | 54.1 |
| 21 | 15-May | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21.1 | 291.5 | 55.4 | ||||
| 21 | 18-May | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24.9 | 345.8 | 57.3 | ||||
| 22 | 22-May | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26.5 | 379.1 | 58.6 | ||||
| 22 | 25-May | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26.9 | 395.8 | 58.9 | ||||
| 23 | 30-May | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27.3 | 402.9 | 57.0 | ||||
| 24 | 5-Jun | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||
| 24 | 8-Jun | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||
| 301 | 57 | 239 | 5 | 1 | 0 | 0 | 0 | 0 | 32 | ||||||||