Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer Steelhead Query Parameters
Year2022
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 23 - Dec 12)
Total Number of Fish Observed2005
Percent of Total Run Analyzed [Number Observed]100 % [2005]
Tailrace TDG Percent Exposure Index120.89 %
Percent of Fish Exposed [Number Exposed]66.5 % [1334]
Number of Days Fish Exposed36
Middle 80% of Run Period (May 8 - Jun 11)
Number of Fish Observed1645
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [1645]
Tailrace TDG Percent Exposure Index121.02 %
Percent of Fish Exposed [Number Exposed]66.8 % [1099]
Number of Days Fish Exposed26
Middle 50% of Run Period (May 13 - Jun 4)
Number of Fish Observed1153
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [1153]
Tailrace TDG Percent Exposure Index120.42 %
Percent of Fish Exposed [Number Exposed]60.4 % [697]
Number of Days Fish Exposed17
Run Dates
First Day of RunMar 23
5% of Run passedMay 5
10% of Run passedMay 8
50% of Run passedMay 28
90% of Run passedJun 11
95% of Run passedJun 16
Last Day of RunDec 12
Date(s) When Tailrace TDG Percent Crosses 120 %
May 7, May 10, May 17, May 24, May 26, Jun 21