| Adult Steelhead Query Parameters | |
| Year | 2018 |
| Project | Lower Monumental |
| River Parameter | Temperature |
| Critical Temperature Value | 15 C |
| Calculate Exposure | Above Critical Value |
| River Parameter Data Fill | No |
| Query Dates | 1/1 - 12/31 |
| Total Run Period (Apr 1 - Oct 31) | |
| Total Number of Fish Observed | 50031 |
| Percent of Total Run Analyzed [Number Observed] | 34.05 % [17040]1 |
| Temperature Exposure Index | 18.74 C |
| Percent of Fish Exposed [Number Exposed] | 92.9 % [15832] |
| Number of Days Fish Exposed | 103 |
| Middle 80% of Run Period (Sep 4 - Oct 17) | |
| Number of Fish Observed | 40298 |
| Percent of Middle 80% of Run Analyzed [Number Observed] | 30.16 % [12157] |
| Temperature Exposure Index | 19.24 C |
| Percent of Fish Exposed [Number Exposed] | 100 % [12157] |
| Number of Days Fish Exposed | 17 |
| Middle 50% of Run Period (Sep 16 - Oct 7) | |
| Number of Fish Observed | 25284 |
| Percent of Middle 50% of Run Analyzed [Number Observed] | 18.64 % [4714] |
| Temperature Exposure Index | 18.79 C |
| Percent of Fish Exposed [Number Exposed] | 100 % [4714] |
| Number of Days Fish Exposed | 5 |
| Run Dates | |
| First Day of Run | Apr 1 |
| 5% of Run passed | Jul 21 |
| 10% of Run passed | Sep 4 |
| 50% of Run passed | Sep 27 |
| 90% of Run passed | Oct 17 |
| 95% of Run passed | Oct 22 |
| Last Day of Run | Oct 31 |
| Date(s) When Temperature Crosses 15 C | |
| Jun 8 | |
