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 1)
Total Number of Fish Observed322
Percent of Total Run Analyzed [Number Observed]100 % [322]
Tailrace TDG Percent Exposure Index118.87 %
Percent of Fish Exposed [Number Exposed]7.1 % [23]
Number of Days Fish Exposed4
Middle 80% of Run Period (Apr 17 - Apr 29)
Number of Fish Observed271
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [271]
Tailrace TDG Percent Exposure Index118.71 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Apr 20 - Apr 23)
Number of Fish Observed176
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [176]
Tailrace TDG Percent Exposure Index118.57 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 26
5% of Run passedApr 14
10% of Run passedApr 17
50% of Run passedApr 21
90% of Run passedApr 29
95% of Run passedApr 30
Last Day of RunMay 1
Date(s) When Tailrace TDG Percent Crosses 120 %
Apr 13, Apr 17