| Adult Steelhead Query Parameters |
| Year | 2020 |
| Project | John Day |
| 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 (Apr 1 - Oct 31) |
| Total Number of Fish Observed | 79703 |
| Percent of Total Run Analyzed [Number Observed] | 97.21 % [77485]1 |
| Tailrace TDG Percent Exposure Index | 104.05 % |
| Percent of Fish Exposed [Number Exposed] | 0.4 % [326] |
| Number of Days Fish Exposed | 20 |
| Middle 80% of Run Period (Jul 25 - Oct 11) |
| Number of Fish Observed | 64175 |
| Percent of Middle 80% of Run Analyzed [Number Observed] | 100 % [64175] |
| Tailrace TDG Percent Exposure Index | 103.4 % |
| Percent of Fish Exposed [Number Exposed] | 0 % [0] |
| Number of Days Fish Exposed | 0 |
| Middle 50% of Run Period (Sep 2 - Sep 27) |
| Number of Fish Observed | 40519 |
| Percent of Middle 50% of Run Analyzed [Number Observed] | 100 % [40519] |
| Tailrace TDG Percent Exposure Index | 101.5 % |
| Percent of Fish Exposed [Number Exposed] | 0 % [0] |
| Number of Days Fish Exposed | 0 |
| Run Dates |
| First Day of Run | Apr 1 |
| 5% of Run passed | Jul 16 |
| 10% of Run passed | Jul 25 |
| 50% of Run passed | Sep 18 |
| 90% of Run passed | Oct 11 |
| 95% of Run passed | Oct 15 |
| Last Day of Run | Oct 31 |
| Date(s) When Tailrace TDG Percent Crosses 120 % |
|
May 12, May 15, May 19, May 21, May 22, May 24, May 29, Jun 9, Jun 28, Jul 1, Jul 3, Jul 4
|
