Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2017
ProjectMcNary
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 (Apr 3 - Nov 23)
Total Number of Fish Observed4778
Percent of Total Run Analyzed [Number Observed]100 % [4778]
Tailrace TDG Percent Exposure Index121.08 %
Percent of Fish Exposed [Number Exposed]92.5 % [4422]
Number of Days Fish Exposed95
Middle 80% of Run Period (Apr 21 - Jul 4)
Number of Fish Observed3914
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [3914]
Tailrace TDG Percent Exposure Index121.98 %
Percent of Fish Exposed [Number Exposed]100 % [3914]
Number of Days Fish Exposed70
Middle 50% of Run Period (Apr 25 - May 19)
Number of Fish Observed2544
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [2544]
Tailrace TDG Percent Exposure Index122.33 %
Percent of Fish Exposed [Number Exposed]100 % [2544]
Number of Days Fish Exposed25
Run Dates
First Day of RunApr 3
5% of Run passedApr 18
10% of Run passedApr 21
50% of Run passedMay 2
90% of Run passedJul 4
95% of Run passedJul 24
Last Day of RunNov 23
Date(s) When Tailrace TDG Percent Crosses 115 %
Jul 6, Jul 8, Jul 9, Jul 11, Jul 12, Jul 13, Jul 16, Jul 17, Jul 20, Jul 28, Jul 29