Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead 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 (Mar 1 - Nov 17)
Total Number of Fish Observed81907
Percent of Total Run Analyzed [Number Observed]100 % [81907]
Tailrace TDG Percent Exposure Index101.21 %
Percent of Fish Exposed [Number Exposed]2.7 % [2277]
Number of Days Fish Exposed111
Middle 80% of Run Period (Sep 4 - Oct 13)
Number of Fish Observed65802
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [65802]
Tailrace TDG Percent Exposure Index99.94 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Sep 19 - Oct 2)
Number of Fish Observed42280
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [42280]
Tailrace TDG Percent Exposure Index99.71 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 1
5% of Run passedJul 28
10% of Run passedSep 4
50% of Run passedSep 25
90% of Run passedOct 13
95% of Run passedOct 23
Last Day of RunNov 17
Date(s) When Tailrace TDG Percent Crosses 115 %
Mar 14, Jul 6, Jul 8, Jul 9, Jul 11, Jul 12, Jul 13, Jul 16, Jul 17, Jul 20, Jul 28, Jul 29