| Adult Steelhead Query Parameters |
| Year | 2020 |
| Project | Ice Harbor |
| 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 | 56210 |
| Percent of Total Run Analyzed [Number Observed] | 95.9 % [53907]1 |
| Tailrace TDG Percent Exposure Index | 102.04 % |
| Percent of Fish Exposed [Number Exposed] | 0 % [10] |
| Number of Days Fish Exposed | 8 |
| Middle 80% of Run Period (Aug 18 - Oct 16) |
| Number of Fish Observed | 45375 |
| Percent of Middle 80% of Run Analyzed [Number Observed] | 100 % [45375] |
| Tailrace TDG Percent Exposure Index | 101.03 % |
| Percent of Fish Exposed [Number Exposed] | 0 % [0] |
| Number of Days Fish Exposed | 0 |
| Middle 50% of Run Period (Sep 13 - Oct 4) |
| Number of Fish Observed | 28970 |
| Percent of Middle 50% of Run Analyzed [Number Observed] | 100 % [28970] |
| Tailrace TDG Percent Exposure Index | 100.08 % |
| 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 26 |
| 10% of Run passed | Aug 18 |
| 50% of Run passed | Sep 25 |
| 90% of Run passed | Oct 16 |
| 95% of Run passed | Oct 19 |
| Last Day of Run | Oct 31 |
| Date(s) When Tailrace TDG Percent Crosses 120 % |
|
May 1, May 3, May 4, May 5, May 12, May 13, May 14, May 15, May 19, May 25, May 28, Jun 7, Jun 8, Jun 9
|
