| Fork length distribution of juvenile fall Chinook sampled below Bonneville Dam, 2006 | |||||||||||||||||||
| Bonneville Dam | |||||||||||||||||||
| Number of chinook in millimeters | Mean length | % chinook | tailwater | discharge | water | ||||||||||||||
| Week | Date | Total | Range | 30-39 | 40-49 | 50-59 | 60-69 | 70-79 | 80-89 | 90-100 | > 100 | chf < 150 | < 60mm | 60-100mm | (ft.)* | (kcfs)* | temp. (oF) | ||
| 6 | 31-Jan | 1 | 39 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 39 | 100% | 0% | 19.9 | 199.8 | 40.9 | ||
| 7 | 3-Feb | 19 | 40-48 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 45 | 100% | 0% | 20.1 | 203.2 | 40.9 | ||
| 7 | 7-Feb | 6 | 36-45 | 2 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 41 | 100% | 0% | 19.3 | 205.4 | 40.4 | ||
| 8 | 14-Feb | 2 | 43-50 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 47 | 0% | 0% | 17.4 | 189.4 | 40.4 | ||
| 9 | 21-Feb | 23 | 40-53 | 0 | 18 | 5 | 0 | 0 | 0 | 0 | 0 | 47 | 100% | 0% | 16.2 | 178.3 | 38.3 | ||
| 9 | 24-Feb | 6 | 40-48 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 46 | 100% | 0% | 17.0 | 192.7 | 38.6 | ||
| 10 | 28-Feb | 19 | 37-57 | 1 | 11 | 7 | 0 | 0 | 0 | 0 | 0 | 51 | 100% | 0% | 15.5 | 172.7 | 38.4 | ||
| 10 | 3-Mar | 9 | 37-58 | 4 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 46 | 100% | 0% | 14.3 | 148.4 | 39.2 | ||
| 11 | 7-Mar | 182 | 42-68 | 0 | 8 | 61 | 102 | 11 | 0 | 0 | 0 | 61 | 38% | 62% | 15.9 | 185.8 | 40.7 | ||
| 11 | 10-Mar | 33 | 39-69 | 1 | 1 | 6 | 25 | 0 | 0 | 0 | 0 | 63 | 24% | 76% | 16.4 | 184.0 | 40.4 | ||
| 12 | 17-Mar | 50 | 37-68 | 7 | 12 | 14 | 17 | 0 | 0 | 0 | 0 | 53 | 66% | 34% | 13.0 | 155.5 | 41.5 | ||
| 13 | 21-Mar | 43 | 37-74 | 4 | 8 | 8 | 21 | 2 | 0 | 0 | 0 | 58 | 47% | 53% | 13.1 | 150.8 | 42.4 | ||
| 13 | 24-Mar | 78 | 38-68 | 7 | 35 | 21 | 15 | 0 | 0 | 0 | 0 | 50 | 81% | 19% | 11.6 | 115.3 | 43.2 | ||
| 14 | 28-Mar | 41 | 39-74 | 1 | 19 | 2 | 8 | 11 | 0 | 0 | 0 | 55 | 54% | 46% | 16.6 | 194.2 | 44.3 | ||
| 14 | 31-Mar | 41 | 34-74 | 6 | 24 | 2 | 6 | 3 | 0 | 0 | 0 | 48 | 78% | 22% | 17.1 | 203.6 | 46.0 | ||
| 15 | 3-Apr | 84 | 37-77 | 9 | 33 | 7 | 22 | 13 | 0 | 0 | 0 | 54 | 58% | 42% | 17.1 | 191.3 | 46.6 | ||
| 15 | 6-Apr | 20 | 37-89 | 1 | 4 | 2 | 1 | 8 | 4 | 0 | 0 | 68 | 35% | 65% | 22.5 | 283.8 | 47.2 | ||
| 16 | 11-Apr | 211 | 39-126 | 2 | 165 | 34 | 4 | 5 | 0 | 0 | 1 | 48 | 96% | 4% | 25.2 | 348.6 | 47.6 | ||
| 16 | 14-Apr | 49 | 38-104 | 1 | 19 | 3 | 3 | 12 | 6 | 4 | 1 | 64 | 48% | 52% | 23.9 | 323.1 | 48.1 | ||
| 17 | 17-Apr | 16 | 41-85 | 0 | 10 | 1 | 1 | 1 | 3 | 0 | 0 | 55 | 69% | 31% | 25.9 | 359.6 | 48.2 | ||
| 17 | 20-Apr | 116 | 37-82 | 15 | 85 | 9 | 1 | 5 | 1 | 0 | 0 | 47 | 94% | 6% | 26.4 | 366.8 | 48.7 | ||
| 18 | 24-Apr | 33 | 35-90 | 8 | 9 | 3 | 3 | 5 | 4 | 1 | 0 | 56 | 61% | 39% | 24.1 | 325.2 | 49.8 | ||
| 18 | 27-Apr | 48 | 34-74 | 8 | 38 | 1 | 0 | 1 | 0 | 0 | 0 | 43 | 98% | 2% | 25.0 | 343.7 | 50.4 | ||
| 19 | 1-May | 68 | 36-94 | 9 | 34 | 6 | 1 | 3 | 7 | 8 | 0 | 55 | 72% | 28% | 26.1 | 340.1 | 51.6 | ||
| 19 | 4-May | 123 | 34-120 | 29 | 76 | 5 | 0 | 0 | 5 | 0 | 8 | 48 | 96% | 4% | 25.7 | 364.5 | 53.5 | ||
| 20 | 8-May | 200 | 38-99 | 7 | 66 | 12 | 6 | 23 | 61 | 25 | 0 | 67 | 43% | 58% | 22.9 | 318.8 | 52.8 | ||
| 20 | 11-May | 89 | 38-96 | 10 | 61 | 11 | 3 | 0 | 1 | 3 | 0 | 47 | 92% | 8% | 19.5 | 296.7 | 54.1 | ||
| 21 | 15-May | 202 | 35-94 | 19 | 83 | 68 | 18 | 1 | 7 | 6 | 0 | 52 | 84% | 16% | 21.1 | 291.5 | 55.4 | ||
| 21 | 18-May | 86 | 35-164 | 28 | 39 | 12 | 2 | 1 | 0 | 0 | 4 | 49 | 96% | 4% | 24.9 | 345.8 | 57.3 | ||
| 22 | 22-May | 131 | 29-134 | 18 | 92 | 15 | 2 | 0 | 2 | 0 | 2 | 46 | 97% | 3% | 26.5 | 379.1 | 58.6 | ||
| 22 | 25-May | 43 | 35-59 | 10 | 30 | 3 | 0 | 0 | 0 | 0 | 0 | 43 | 100% | 0% | 26.9 | 395.8 | 58.9 | ||
| 23 | 30-May | 258 | 38-68 | 12 | 173 | 55 | 18 | 0 | 0 | 0 | 0 | 48 | 93% | 7% | 27.3 | 402.9 | 57.0 | ||
| 24 | 5-Jun | 105 | 40-72 | 0 | 35 | 41 | 24 | 5 | 0 | 0 | 0 | 55 | 72% | 28% | 25.2 | 336.6 | 59.2 | ||
| 24 | 8-Jun | 41 | 40-81 | 0 | 11 | 17 | 8 | 3 | 2 | 0 | 0 | 56 | 68% | 32% | 26.1 | 355.7 | 59.9 | ||
| 25 | 12-Jun | 81 | 42-112 | 0 | 12 | 22 | 25 | 11 | 4 | 5 | 2 | 65 | 43% | 57% | 25.2 | 345.7 | 61.1 | ||
| 25 | 15-Jun | 135 | 49-105 | 0 | 1 | 29 | 64 | 26 | 9 | 5 | 1 | 67 | 22% | 78% | 26.2 | 369.5 | 61.4 | ||
| 26 | 20-Jun | 56 | 54-103 | 0 | 0 | 3 | 23 | 13 | 12 | 4 | 1 | 73 | 5% | 95% | 24.1 | 316.8 | 61.3 | ||
| 26 | 23-Jun | 134 | 47-179 | 0 | 1 | 20 | 34 | 30 | 26 | 16 | 7 | 76 | 17% | 83% | 23.2 | 295.8 | 62.2 | ||
| 27 | 27-Jun | 79 | 53-103 | 0 | 0 | 8 | 19 | 29 | 12 | 10 | 1 | 75 | 10% | 90% | 20.3 | 260.0 | 64.8 | ||
| 27 | 30-Jun | 154 | 56-102 | 0 | 0 | 2 | 32 | 41 | 48 | 30 | 1 | 1% | 99% | 18.3 | 232.1 | 65.1 | |||
| 3115 | 220 | 1244 | 520 | 508 | 263 | 214 | 117 | 29 | 54 | ||||||||||
| water temp from BPA website: | www.nwd-wc.usace.army.mil/perl/dataquery | ||||||||||||||||||
| Water Temperature (Deg-F) Instantaneous GOES at 24:00 | |||||||||||||||||||
| tailwater level from: | www.nwd-wc.usace.army.mil/perl/dataquery | ||||||||||||||||||
| Spillway Tailwater Height @ Tanner Creek at 24:00 | |||||||||||||||||||
| discharge quantities: | www.nwd-wc.usace.army.mil/perl/dataquery | ||||||||||||||||||
| Outflow Discharge (KCFS), Daily, Manual at 24:00 | |||||||||||||||||||