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 17)
Total Number of Fish Observed1219
Percent of Total Run Analyzed [Number Observed]100 % [1219]
Tailrace TDG Percent Exposure Index119.33 %
Percent of Fish Exposed [Number Exposed]18.6 % [227]
Number of Days Fish Exposed10
Middle 80% of Run Period (Apr 16 - May 13)
Number of Fish Observed1001
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [1001]
Tailrace TDG Percent Exposure Index118.93 %
Percent of Fish Exposed [Number Exposed]7.9 % [80]
Number of Days Fish Exposed3
Middle 50% of Run Period (Apr 18 - May 1)
Number of Fish Observed619
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [619]
Tailrace TDG Percent Exposure Index118.6 %
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 16
50% of Run passedApr 21
90% of Run passedMay 13
95% of Run passedMay 15
Last Day of RunMay 17
Date(s) When Tailrace TDG Percent Crosses 120 %
Apr 13, Apr 17, May 12