| Adult Chinook Query Parameters |
| Year | 2018 |
| 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 (Mar 29 - Jun 15) |
| Total Number of Fish Observed | 33890 |
| Percent of Total Run Analyzed [Number Observed] | 100 % [33890] |
| Tailrace TDG Percent Exposure Index | 120.94 % |
| Percent of Fish Exposed [Number Exposed] | 59.9 % [20321] |
| Number of Days Fish Exposed | 25 |
| Middle 80% of Run Period (May 12 - Jun 8) |
| Number of Fish Observed | 27988 |
| Percent of Middle 80% of Run Analyzed [Number Observed] | 100 % [27988] |
| Tailrace TDG Percent Exposure Index | 121.46 % |
| Percent of Fish Exposed [Number Exposed] | 67.5 % [18916] |
| Number of Days Fish Exposed | 19 |
| Middle 50% of Run Period (May 16 - Jun 2) |
| Number of Fish Observed | 17798 |
| Percent of Middle 50% of Run Analyzed [Number Observed] | 100 % [17798] |
| Tailrace TDG Percent Exposure Index | 122.79 % |
| Percent of Fish Exposed [Number Exposed] | 100 % [17798] |
| Number of Days Fish Exposed | 18 |
| Run Dates |
| First Day of Run | Mar 29 |
| 5% of Run passed | May 10 |
| 10% of Run passed | May 12 |
| 50% of Run passed | May 25 |
| 90% of Run passed | Jun 8 |
| 95% of Run passed | Jun 11 |
| Last Day of Run | Jun 15 |
| Date(s) When Tailrace TDG Percent Crosses 120 % |
|
Apr 9, Apr 13, Apr 14, Apr 16, May 8, May 9, May 10, May 13, May 16, Jun 3
|
