| Adult 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 | 3/15 - 6/15 |
| Total Run Period (Apr 1 - Jun 15) |
| Total Number of Fish Observed | 49941 |
| Percent of Total Run Analyzed [Number Observed] | 100 % [49941] |
| Tailrace TDG Percent Exposure Index | 119.28 % |
| Percent of Fish Exposed [Number Exposed] | 33.3 % [16633] |
| Number of Days Fish Exposed | 18 |
| Middle 80% of Run Period (May 2 - Jun 12) |
| Number of Fish Observed | 41537 |
| Percent of Middle 80% of Run Analyzed [Number Observed] | 100 % [41537] |
| Tailrace TDG Percent Exposure Index | 119.62 % |
| Percent of Fish Exposed [Number Exposed] | 40 % [16633] |
| Number of Days Fish Exposed | 18 |
| Middle 50% of Run Period (May 8 - Jun 4) |
| Number of Fish Observed | 25420 |
| Percent of Middle 50% of Run Analyzed [Number Observed] | 100 % [25420] |
| Tailrace TDG Percent Exposure Index | 119.93 % |
| Percent of Fish Exposed [Number Exposed] | 48.5 % [12342] |
| Number of Days Fish Exposed | 14 |
| Run Dates |
| First Day of Run | Apr 1 |
| 5% of Run passed | Apr 29 |
| 10% of Run passed | May 2 |
| 50% of Run passed | May 17 |
| 90% of Run passed | Jun 12 |
| 95% of Run passed | Jun 14 |
| Last Day of Run | Jun 15 |
| Date(s) When Tailrace TDG Percent Crosses 120 % |
|
May 12, May 15, May 19, May 21, May 22, May 24, May 29, Jun 9
|
