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 - May 17)
Total Number of Fish Observed495
Percent of Total Run Analyzed [Number Observed]100 % [495]
Tailrace TDG Percent Exposure Index119.22 %
Percent of Fish Exposed [Number Exposed]22.8 % [113]
Number of Days Fish Exposed10
Middle 80% of Run Period (Apr 19 - May 16)
Number of Fish Observed414
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [414]
Tailrace TDG Percent Exposure Index118.91 %
Percent of Fish Exposed [Number Exposed]14 % [58]
Number of Days Fish Exposed5
Middle 50% of Run Period (Apr 21 - May 7)
Number of Fish Observed278
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [278]
Tailrace TDG Percent Exposure Index118.37 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 26
5% of Run passedApr 16
10% of Run passedApr 19
50% of Run passedApr 24
90% of Run passedMay 16
95% of Run passedMay 17
Last Day of RunMay 17
Date(s) When Tailrace TDG Percent Crosses 120 %
Apr 13, Apr 17, May 12