| PIT-Tagged Wild Spring/Summer Chinook 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 (Mar 23 - Jul 15) |
| Total Number of Fish Observed | 910 |
| Percent of Total Run Analyzed [Number Observed] | 100 % [910] |
| Tailrace TDG Percent Exposure Index | 118.5 % |
| Percent of Fish Exposed [Number Exposed] | 30.5 % [278] |
| Number of Days Fish Exposed | 17 |
| Middle 80% of Run Period (Apr 27 - May 25) |
| Number of Fish Observed | 734 |
| Percent of Middle 80% of Run Analyzed [Number Observed] | 100 % [734] |
| Tailrace TDG Percent Exposure Index | 118.55 % |
| Percent of Fish Exposed [Number Exposed] | 30.3 % [223] |
| Number of Days Fish Exposed | 11 |
| Middle 50% of Run Period (Apr 29 - May 12) |
| Number of Fish Observed | 463 |
| Percent of Middle 50% of Run Analyzed [Number Observed] | 100 % [463] |
| Tailrace TDG Percent Exposure Index | 118.79 % |
| Percent of Fish Exposed [Number Exposed] | 36.5 % [169] |
| Number of Days Fish Exposed | 4 |
| Run Dates |
| First Day of Run | Mar 23 |
| 5% of Run passed | Apr 26 |
| 10% of Run passed | Apr 27 |
| 50% of Run passed | May 1 |
| 90% of Run passed | May 25 |
| 95% of Run passed | May 29 |
| Last Day of Run | Jul 15 |
| 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
|
