Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer Steelhead Query Parameters
Year2018
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 (Feb 22 - Jul 4)
Total Number of Fish Observed12626
Percent of Total Run Analyzed [Number Observed]100 % [12626]
Tailrace TDG Percent Exposure Index117.91 %
Percent of Fish Exposed [Number Exposed]25.7 % [3255]
Number of Days Fish Exposed15
Middle 80% of Run Period (Apr 22 - May 25)
Number of Fish Observed10308
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [10308]
Tailrace TDG Percent Exposure Index117.87 %
Percent of Fish Exposed [Number Exposed]23.5 % [2426]
Number of Days Fish Exposed8
Middle 50% of Run Period (May 2 - May 19)
Number of Fish Observed6634
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [6634]
Tailrace TDG Percent Exposure Index117.48 %
Percent of Fish Exposed [Number Exposed]15.9 % [1059]
Number of Days Fish Exposed3
Run Dates
First Day of RunFeb 22
5% of Run passedApr 16
10% of Run passedApr 22
50% of Run passedMay 10
90% of Run passedMay 25
95% of Run passedMay 28
Last Day of RunJul 4
Date(s) When Tailrace TDG Percent Crosses 120 %
May 10, May 12, May 19, May 20, May 21, Jun 2