Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2021
ProjectMcNary
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 29 - Nov 17)
Total Number of Fish Observed2239
Percent of Total Run Analyzed [Number Observed]100 % [2239]
Tailrace TDG Percent Exposure Index117.13 %
Percent of Fish Exposed [Number Exposed]1 % [23]
Number of Days Fish Exposed4
Middle 80% of Run Period (May 1 - May 28)
Number of Fish Observed1828
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [1828]
Tailrace TDG Percent Exposure Index117.38 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (May 6 - May 20)
Number of Fish Observed1192
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [1192]
Tailrace TDG Percent Exposure Index117.62 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 29
5% of Run passedApr 28
10% of Run passedMay 1
50% of Run passedMay 12
90% of Run passedMay 28
95% of Run passedJun 8
Last Day of RunNov 17
Date(s) When Tailrace TDG Percent Crosses 120 %
Jun 4, Jun 5, Jun 9, Jun 12