Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2017
ProjectLower Monumental
River ParameterTailrace TDG Percent
Critical Tailrace TDG Percent Value115 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Apr 1 - Oct 31)
Total Number of Fish Observed66499
Percent of Total Run Analyzed [Number Observed]99.96 % [66473]1
Tailrace TDG Percent Exposure Index99.06 %
Percent of Fish Exposed [Number Exposed]3.7 % [2493]
Number of Days Fish Exposed113
Middle 80% of Run Period (Sep 15 - Oct 15)
Number of Fish Observed53811
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [53811]
Tailrace TDG Percent Exposure Index97.73 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Sep 23 - Oct 7)
Number of Fish Observed36310
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [36310]
Tailrace TDG Percent Exposure Index97.41 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 1
5% of Run passedSep 1
10% of Run passedSep 15
50% of Run passedSep 30
90% of Run passedOct 15
95% of Run passedOct 21
Last Day of RunOct 31
Date(s) When Tailrace TDG Percent Crosses 115 %
Jun 12, Jun 13, Jun 24, Jun 25, Jul 3, Jul 4, Jul 9, Jul 11, Jul 31, Aug 1, Aug 2, Aug 3, Aug 14, Aug 16, Aug 17

1. Total Run Analyzed [66473] is less than total observed during the period [66499]. Only fish observed on days with River Parameter data are analyzed.