| Adult Steelhead Query Parameters | |
| Year | 2020 |
| 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 (Jan 1 - Oct 31) | |
| Total Number of Fish Observed | 54936 |
| Percent of Total Run Analyzed [Number Observed] | 88.79 % [48780]1 |
| Tailrace TDG Percent Exposure Index | 101.54 % |
| Percent of Fish Exposed [Number Exposed] | 0.1 % [90] |
| Number of Days Fish Exposed | 20 |
| Middle 80% of Run Period (Aug 15 - Oct 17) | |
| Number of Fish Observed | 44238 |
| Percent of Middle 80% of Run Analyzed [Number Observed] | 93.79 % [41491] |
| Tailrace TDG Percent Exposure Index | 100.09 % |
| Percent of Fish Exposed [Number Exposed] | 0 % [0] |
| Number of Days Fish Exposed | 0 |
| Middle 50% of Run Period (Sep 15 - Oct 7) | |
| Number of Fish Observed | 28985 |
| Percent of Middle 50% of Run Analyzed [Number Observed] | 90.52 % [26238] |
| Tailrace TDG Percent Exposure Index | 98.87 % |
| Percent of Fish Exposed [Number Exposed] | 0 % [0] |
| Number of Days Fish Exposed | 0 |
| Run Dates | |
| First Day of Run | Jan 1 |
| 5% of Run passed | Jul 25 |
| 10% of Run passed | Aug 15 |
| 50% of Run passed | Sep 27 |
| 90% of Run passed | Oct 17 |
| 95% of Run passed | Oct 21 |
| Last Day of Run | Oct 31 |
| Date(s) When Tailrace TDG Percent Crosses 120 % | |
| Apr 5, Apr 6, Apr 9, Apr 10, Apr 28, Jun 9, Jun 16, Jun 17, Jun 20, Jun 21 | |
