| Adult 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 | 3/15 - 6/15 |
| Total Run Period (Apr 1 - Jun 15) | |
| Total Number of Fish Observed | 40986 |
| Percent of Total Run Analyzed [Number Observed] | 98.49 % [40370]1 |
| Tailrace TDG Percent Exposure Index | 121.68 % |
| Percent of Fish Exposed [Number Exposed] | 71.6 % [28917] |
| Number of Days Fish Exposed | 35 |
| Middle 80% of Run Period (May 4 - Jun 12) | |
| Number of Fish Observed | 34231 |
| Percent of Middle 80% of Run Analyzed [Number Observed] | 98.2 % [33615] |
| Tailrace TDG Percent Exposure Index | 122.09 % |
| Percent of Fish Exposed [Number Exposed] | 75.6 % [25442] |
| Number of Days Fish Exposed | 32 |
| Middle 50% of Run Period (May 10 - Jun 4) | |
| Number of Fish Observed | 20752 |
| Percent of Middle 50% of Run Analyzed [Number Observed] | 100 % [20752] |
| Tailrace TDG Percent Exposure Index | 122.81 % |
| Percent of Fish Exposed [Number Exposed] | 93 % [19305] |
| Number of Days Fish Exposed | 25 |
| Run Dates | |
| First Day of Run | Apr 1 |
| 5% of Run passed | May 2 |
| 10% of Run passed | May 4 |
| 50% of Run passed | May 18 |
| 90% of Run passed | Jun 12 |
| 95% of Run passed | Jun 14 |
| Last Day of Run | Jun 15 |
| Date(s) When Tailrace TDG Percent Crosses 120 % | |
| May 11 | |
