Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2018
ProjectMcNary
River ParameterTailrace TDG Percent
Critical Tailrace TDG Percent Value120 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Jan 1 - Oct 31)
Total Number of Fish Observed66332
Percent of Total Run Analyzed [Number Observed]100 % [66332]
Tailrace TDG Percent Exposure Index101.85 %
Percent of Fish Exposed [Number Exposed]0 % [-5]
Number of Days Fish Exposed21
Middle 80% of Run Period (Aug 11 - Oct 13)
Number of Fish Observed53421
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [53421]
Tailrace TDG Percent Exposure Index100.64 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Sep 9 - Oct 3)
Number of Fish Observed35581
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [35581]
Tailrace TDG Percent Exposure Index99.99 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunJan 1
5% of Run passedJul 20
10% of Run passedAug 11
50% of Run passedSep 22
90% of Run passedOct 13
95% of Run passedOct 19
Last Day of RunOct 31
Date(s) When Tailrace TDG Percent Crosses 120 %
Apr 25, Apr 26, May 6, Jun 7