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 Observed628
Percent of Total Run Analyzed [Number Observed]100 % [628]
Tailrace TDG Percent Exposure Index119.4 %
Percent of Fish Exposed [Number Exposed]32.6 % [205]
Number of Days Fish Exposed24
Middle 80% of Run Period (Apr 19 - May 21)
Number of Fish Observed520
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [520]
Tailrace TDG Percent Exposure Index119.31 %
Percent of Fish Exposed [Number Exposed]30.3 % [158]
Number of Days Fish Exposed8
Middle 50% of Run Period (Apr 21 - May 17)
Number of Fish Observed394
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [394]
Tailrace TDG Percent Exposure Index119.07 %
Percent of Fish Exposed [Number Exposed]22.3 % [88]
Number of Days Fish Exposed5
Run Dates
First Day of RunMar 26
5% of Run passedApr 16
10% of Run passedApr 19
50% of Run passedMay 1
90% of Run passedMay 21
95% of Run passedMay 27
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