Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer 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 (Mar 26 - Jun 29)
Total Number of Fish Observed650
Percent of Total Run Analyzed [Number Observed]100 % [650]
Tailrace TDG Percent Exposure Index119.43 %
Percent of Fish Exposed [Number Exposed]33.5 % [218]
Number of Days Fish Exposed25
Middle 80% of Run Period (Apr 19 - May 21)
Number of Fish Observed538
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [538]
Tailrace TDG Percent Exposure Index119.35 %
Percent of Fish Exposed [Number Exposed]31.5 % [170]
Number of Days Fish Exposed8
Middle 50% of Run Period (Apr 21 - May 17)
Number of Fish Observed411
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [411]
Tailrace TDG Percent Exposure Index119.11 %
Percent of Fish Exposed [Number Exposed]23.8 % [98]
Number of Days Fish Exposed5
Run Dates
First Day of RunMar 26
5% of Run passedApr 17
10% of Run passedApr 19
50% of Run passedMay 2
90% of Run passedMay 21
95% of Run passedMay 28
Last Day of RunJun 29
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