| Adult 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 | 3/15 - 6/15 |
| Total Run Period (Apr 2 - Jun 15) |
| Total Number of Fish Observed | 24486 |
| Percent of Total Run Analyzed [Number Observed] | 100 % [24486] |
| Tailrace TDG Percent Exposure Index | 119.76 % |
| Percent of Fish Exposed [Number Exposed] | 40.1 % [9836] |
| Number of Days Fish Exposed | 22 |
| Middle 80% of Run Period (May 5 - Jun 9) |
| Number of Fish Observed | 20512 |
| Percent of Middle 80% of Run Analyzed [Number Observed] | 100 % [20512] |
| Tailrace TDG Percent Exposure Index | 120.09 % |
| Percent of Fish Exposed [Number Exposed] | 43.6 % [8960] |
| Number of Days Fish Exposed | 19 |
| Middle 50% of Run Period (May 10 - May 31) |
| Number of Fish Observed | 12798 |
| Percent of Middle 50% of Run Analyzed [Number Observed] | 100 % [12798] |
| Tailrace TDG Percent Exposure Index | 120.32 % |
| Percent of Fish Exposed [Number Exposed] | 44.9 % [5754] |
| Number of Days Fish Exposed | 12 |
| Run Dates |
| First Day of Run | Apr 2 |
| 5% of Run passed | May 3 |
| 10% of Run passed | May 5 |
| 50% of Run passed | May 16 |
| 90% of Run passed | Jun 9 |
| 95% of Run passed | Jun 12 |
| Last Day of Run | Jun 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
|
