Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook 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 (Apr 2 - May 1)
Total Number of Fish Observed914
Percent of Total Run Analyzed [Number Observed]100 % [914]
Tailrace TDG Percent Exposure Index119.31 %
Percent of Fish Exposed [Number Exposed]10.9 % [100]
Number of Days Fish Exposed4
Middle 80% of Run Period (Apr 14 - Apr 26)
Number of Fish Observed757
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [757]
Tailrace TDG Percent Exposure Index119.28 %
Percent of Fish Exposed [Number Exposed]10.8 % [82]
Number of Days Fish Exposed3
Middle 50% of Run Period (Apr 17 - Apr 23)
Number of Fish Observed561
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [561]
Tailrace TDG Percent Exposure Index118.81 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 2
5% of Run passedApr 12
10% of Run passedApr 14
50% of Run passedApr 20
90% of Run passedApr 26
95% of Run passedApr 27
Last Day of RunMay 1
Date(s) When Tailrace TDG Percent Crosses 120 %
Apr 13, Apr 17