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 - Dec 17)
Total Number of Fish Observed4820
Percent of Total Run Analyzed [Number Observed]100 % [4820]
Tailrace TDG Percent Exposure Index120.94 %
Percent of Fish Exposed [Number Exposed]92 % [4438]
Number of Days Fish Exposed95
Middle 80% of Run Period (Apr 21 - Jul 5)
Number of Fish Observed3960
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [3960]
Tailrace TDG Percent Exposure Index121.92 %
Percent of Fish Exposed [Number Exposed]100 % [3960]
Number of Days Fish Exposed71
Middle 50% of Run Period (Apr 25 - May 19)
Number of Fish Observed2552
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [2552]
Tailrace TDG Percent Exposure Index122.31 %
Percent of Fish Exposed [Number Exposed]100 % [2552]
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 5
95% of Run passedJul 25
Last Day of RunDec 17
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