Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer Steelhead Query Parameters
Year2019
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 25 - Sep 16)
Total Number of Fish Observed7668
Percent of Total Run Analyzed [Number Observed]100 % [7668]
Tailrace TDG Percent Exposure Index119.95 %
Percent of Fish Exposed [Number Exposed]42.4 % [3254]
Number of Days Fish Exposed17
Middle 80% of Run Period (Apr 16 - May 19)
Number of Fish Observed6175
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [6175]
Tailrace TDG Percent Exposure Index120.17 %
Percent of Fish Exposed [Number Exposed]46.9 % [2899]
Number of Days Fish Exposed9
Middle 50% of Run Period (Apr 24 - May 12)
Number of Fish Observed4151
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [4151]
Tailrace TDG Percent Exposure Index119.96 %
Percent of Fish Exposed [Number Exposed]45.4 % [1888]
Number of Days Fish Exposed4
Run Dates
First Day of RunMar 25
5% of Run passedApr 12
10% of Run passedApr 16
50% of Run passedApr 28
90% of Run passedMay 19
95% of Run passedMay 25
Last Day of RunSep 16
Date(s) When Tailrace TDG Percent Crosses 120 %
Apr 9, Apr 12, Apr 21, Apr 28, May 18, May 20, Jun 1, Jun 6