| PIT-Tagged Wild Spring/Summer Chinook Query Parameters | |
| Year | 2020 |
| Project | McNary |
| River Parameter | Tailrace TDG Percent |
| Critical Tailrace TDG Percent Value | 120 % |
| Calculate Exposure | Above Critical Value |
| River Parameter Data Fill | No |
| Query Dates | 1/1 - 12/31 |
| Total Run Period (Mar 9 - Nov 13) | |
| Total Number of Fish Observed | 2341 |
| Percent of Total Run Analyzed [Number Observed] | 99.87 % [2338]1 |
| Tailrace TDG Percent Exposure Index | 118.75 % |
| Percent of Fish Exposed [Number Exposed] | 28.7 % [673] |
| Number of Days Fish Exposed | 34 |
| Middle 80% of Run Period (Apr 27 - Jun 11) | |
| Number of Fish Observed | 1885 |
| Percent of Middle 80% of Run Analyzed [Number Observed] | 99.84 % [1882] |
| Tailrace TDG Percent Exposure Index | 119.76 % |
| Percent of Fish Exposed [Number Exposed] | 35.4 % [667] |
| Number of Days Fish Exposed | 31 |
| Middle 50% of Run Period (May 1 - May 16) | |
| Number of Fish Observed | 1290 |
| Percent of Middle 50% of Run Analyzed [Number Observed] | 100 % [1290] |
| Tailrace TDG Percent Exposure Index | 119.34 % |
| Percent of Fish Exposed [Number Exposed] | 25.2 % [326] |
| Number of Days Fish Exposed | 6 |
| Run Dates | |
| First Day of Run | Mar 9 |
| 5% of Run passed | Apr 19 |
| 10% of Run passed | Apr 27 |
| 50% of Run passed | May 7 |
| 90% of Run passed | Jun 11 |
| 95% of Run passed | Aug 1 |
| Last Day of Run | Nov 13 |
| Date(s) When Tailrace TDG Percent Crosses 120 % | |
| May 11, Jun 16 | |
