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 - Dec 31)
Total Number of Fish Observed82472
Percent of Total Run Analyzed [Number Observed]100 % [82472]
Tailrace TDG Percent Exposure Index101.18 %
Percent of Fish Exposed [Number Exposed]2.7 % [2277]
Number of Days Fish Exposed111
Middle 80% of Run Period (Sep 4 - Oct 14)
Number of Fish Observed66234
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [66234]
Tailrace TDG Percent Exposure Index99.92 %
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 26
90% of Run passedOct 14
95% of Run passedOct 24
Last Day of RunDec 31
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