Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2017
ProjectLittle Goose
River ParameterTailrace TDG Percent
Critical Tailrace TDG Percent Value115 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Mar 23 - Jul 24)
Total Number of Fish Observed9611
Percent of Total Run Analyzed [Number Observed]100 % [9611]
Tailrace TDG Percent Exposure Index118.29 %
Percent of Fish Exposed [Number Exposed]99.6 % [9581]
Number of Days Fish Exposed93
Middle 80% of Run Period (Apr 13 - May 16)
Number of Fish Observed7764
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [7764]
Tailrace TDG Percent Exposure Index117.98 %
Percent of Fish Exposed [Number Exposed]100 % [7764]
Number of Days Fish Exposed34
Middle 50% of Run Period (Apr 17 - Apr 28)
Number of Fish Observed5275
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [5275]
Tailrace TDG Percent Exposure Index117.31 %
Percent of Fish Exposed [Number Exposed]100 % [5275]
Number of Days Fish Exposed12
Run Dates
First Day of RunMar 23
5% of Run passedApr 10
10% of Run passedApr 13
50% of Run passedApr 23
90% of Run passedMay 16
95% of Run passedMay 27
Last Day of RunJul 24
Date(s) When Tailrace TDG Percent Crosses 115 %
Jun 24