| PIT-Tagged Wild Spring/Summer Chinook 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 (Mar 10 - Sep 3) |
| Total Number of Fish Observed | 2559 |
| Percent of Total Run Analyzed [Number Observed] | 99.96 % [2558]1 |
| Tailrace TDG Percent Exposure Index | 118.78 % |
| Percent of Fish Exposed [Number Exposed] | 31.4 % [804] |
| Number of Days Fish Exposed | 18 |
| Middle 80% of Run Period (May 1 - Jun 3) |
| Number of Fish Observed | 2100 |
| Percent of Middle 80% of Run Analyzed [Number Observed] | 100 % [2100] |
| Tailrace TDG Percent Exposure Index | 119.3 % |
| Percent of Fish Exposed [Number Exposed] | 36.1 % [759] |
| Number of Days Fish Exposed | 13 |
| Middle 50% of Run Period (May 8 - May 21) |
| Number of Fish Observed | 1324 |
| Percent of Middle 50% of Run Analyzed [Number Observed] | 100 % [1324] |
| Tailrace TDG Percent Exposure Index | 119.56 % |
| Percent of Fish Exposed [Number Exposed] | 44.4 % [588] |
| Number of Days Fish Exposed | 5 |
| Run Dates |
| First Day of Run | Mar 10 |
| 5% of Run passed | Apr 29 |
| 10% of Run passed | May 1 |
| 50% of Run passed | May 15 |
| 90% of Run passed | Jun 3 |
| 95% of Run passed | Jul 15 |
| Last Day of Run | Sep 3 |
| 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
|
