Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer Steelhead Query Parameters
Year2017
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 20 - Nov 29)
Total Number of Fish Observed7947
Percent of Total Run Analyzed [Number Observed]100 % [7947]
Tailrace TDG Percent Exposure Index119.21 %
Percent of Fish Exposed [Number Exposed]99.9 % [7942]
Number of Days Fish Exposed95
Middle 80% of Run Period (Apr 13 - Jun 3)
Number of Fish Observed6522
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [6522]
Tailrace TDG Percent Exposure Index118.99 %
Percent of Fish Exposed [Number Exposed]100 % [6522]
Number of Days Fish Exposed52
Middle 50% of Run Period (Apr 27 - May 21)
Number of Fish Observed4075
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [4075]
Tailrace TDG Percent Exposure Index118.33 %
Percent of Fish Exposed [Number Exposed]100 % [4075]
Number of Days Fish Exposed25
Run Dates
First Day of RunMar 20
5% of Run passedApr 7
10% of Run passedApr 13
50% of Run passedMay 17
90% of Run passedJun 3
95% of Run passedJun 9
Last Day of RunNov 29
Date(s) When Tailrace TDG Percent Crosses 115 %
Jun 24