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