| PIT-Tagged Wild Spring/Summer Chinook Query Parameters | |
| Year | 2018 |
| Project | Lower Monumental |
| 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 20 - Dec 2) | |
| Total Number of Fish Observed | 6722 |
| Percent of Total Run Analyzed [Number Observed] | 99.27 % [6673]1 |
| Tailrace TDG Percent Exposure Index | 117.76 % |
| Percent of Fish Exposed [Number Exposed] | 20.1 % [1344] |
| Number of Days Fish Exposed | 20 |
| Middle 80% of Run Period (Apr 15 - May 18) | |
| Number of Fish Observed | 5594 |
| Percent of Middle 80% of Run Analyzed [Number Observed] | 100 % [5594] |
| Tailrace TDG Percent Exposure Index | 117.53 % |
| Percent of Fish Exposed [Number Exposed] | 15.1 % [845] |
| Number of Days Fish Exposed | 7 |
| Middle 50% of Run Period (Apr 18 - May 9) | |
| Number of Fish Observed | 3797 |
| Percent of Middle 50% of Run Analyzed [Number Observed] | 100 % [3797] |
| Tailrace TDG Percent Exposure Index | 117.13 % |
| Percent of Fish Exposed [Number Exposed] | 11.6 % [441] |
| Number of Days Fish Exposed | 3 |
| Run Dates | |
| First Day of Run | Mar 20 |
| 5% of Run passed | Apr 13 |
| 10% of Run passed | Apr 15 |
| 50% of Run passed | Apr 29 |
| 90% of Run passed | May 18 |
| 95% of Run passed | May 23 |
| Last Day of Run | Dec 2 |
| Date(s) When Tailrace TDG Percent Crosses 120 % | |
| May 7, May 12, May 17, Jun 1, Jun 2, Jun 3 | |
