Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2016
ProjectLittle Goose
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 (Mar 1 - Dec 31)
Total Number of Fish Observed95404
Percent of Total Run Analyzed [Number Observed]98.88 % [94340]1
Tailrace TDG Percent Exposure Index99.3 %
Percent of Fish Exposed [Number Exposed]0.2 % [192]
Number of Days Fish Exposed7
Middle 80% of Run Period (Aug 30 - Oct 24)
Number of Fish Observed76950
Percent of Middle 80% of Run Analyzed [Number Observed]98.61 % [75886]
Tailrace TDG Percent Exposure Index98.56 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Sep 20 - Oct 11)
Number of Fish Observed48901
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [48901]
Tailrace TDG Percent Exposure Index98.77 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 1
5% of Run passedJul 16
10% of Run passedAug 30
50% of Run passedOct 1
90% of Run passedOct 24
95% of Run passedNov 4
Last Day of RunDec 31
Date(s) When Tailrace TDG Percent Crosses 115 %
Apr 22, Apr 27, May 7, May 9

1. Total Run Analyzed [94340] is less than total observed during the period [95404]. Only fish observed on days with River Parameter data are analyzed.