Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2024
ProjectLittle Goose
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 (Apr 1 - Oct 31)
Total Number of Fish Observed95619
Percent of Total Run Analyzed [Number Observed]100 % [95619]
Tailrace TDG Percent Exposure Index102.27 %
Percent of Fish Exposed [Number Exposed]0.1 % [98]
Number of Days Fish Exposed21
Middle 80% of Run Period (Sep 5 - Oct 16)
Number of Fish Observed77783
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [77783]
Tailrace TDG Percent Exposure Index101.57 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Sep 14 - Oct 5)
Number of Fish Observed51095
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [51095]
Tailrace TDG Percent Exposure Index101.18 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 1
5% of Run passedAug 23
10% of Run passedSep 5
50% of Run passedSep 26
90% of Run passedOct 16
95% of Run passedOct 22
Last Day of RunOct 31
Date(s) When Tailrace TDG Percent Crosses 120 %
Apr 13, Apr 17, May 13, May 21, May 24, May 25, May 30, May 31, Jun 1, Jun 14