Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook 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 (Mar 26 - Jul 4)
Total Number of Fish Observed10422
Percent of Total Run Analyzed [Number Observed]100 % [10422]
Tailrace TDG Percent Exposure Index116.74 %
Percent of Fish Exposed [Number Exposed]11.9 % [1248]
Number of Days Fish Exposed15
Middle 80% of Run Period (Apr 14 - May 18)
Number of Fish Observed8544
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [8544]
Tailrace TDG Percent Exposure Index116.39 %
Percent of Fish Exposed [Number Exposed]5.1 % [441]
Number of Days Fish Exposed2
Middle 50% of Run Period (Apr 18 - May 10)
Number of Fish Observed5807
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [5807]
Tailrace TDG Percent Exposure Index116.15 %
Percent of Fish Exposed [Number Exposed]4.1 % [241]
Number of Days Fish Exposed1
Run Dates
First Day of RunMar 26
5% of Run passedApr 12
10% of Run passedApr 14
50% of Run passedApr 28
90% of Run passedMay 18
95% of Run passedMay 23
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