| PIT-Tagged Wild Spring/Summer Chinook Query Parameters |
| Year | 2018 |
| 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 4 - Nov 26) |
| Total Number of Fish Observed | 5544 |
| Percent of Total Run Analyzed [Number Observed] | 100 % [5544] |
| Tailrace TDG Percent Exposure Index | 121.11 % |
| Percent of Fish Exposed [Number Exposed] | 35.3 % [1961] |
| Number of Days Fish Exposed | 29 |
| Middle 80% of Run Period (Apr 25 - May 26) |
| Number of Fish Observed | 4542 |
| Percent of Middle 80% of Run Analyzed [Number Observed] | 100 % [4542] |
| Tailrace TDG Percent Exposure Index | 121.73 % |
| Percent of Fish Exposed [Number Exposed] | 38.9 % [1768] |
| Number of Days Fish Exposed | 22 |
| Middle 50% of Run Period (Apr 28 - May 11) |
| Number of Fish Observed | 3174 |
| Percent of Middle 50% of Run Analyzed [Number Observed] | 100 % [3174] |
| Tailrace TDG Percent Exposure Index | 120.13 % |
| Percent of Fish Exposed [Number Exposed] | 31.7 % [1008] |
| Number of Days Fish Exposed | 7 |
| Run Dates |
| First Day of Run | Mar 4 |
| 5% of Run passed | Apr 23 |
| 10% of Run passed | Apr 25 |
| 50% of Run passed | May 2 |
| 90% of Run passed | May 26 |
| 95% of Run passed | Jun 5 |
| Last Day of Run | Nov 26 |
| Date(s) When Tailrace TDG Percent Crosses 120 % |
|
May 5, Jun 3
|
