Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2016
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 1 - Oct 31)
Total Number of Fish Observed118763
Percent of Total Run Analyzed [Number Observed]99 % [117585]1
Tailrace TDG Percent Exposure Index102.89 %
Percent of Fish Exposed [Number Exposed]8 % [9462]
Number of Days Fish Exposed91
Middle 80% of Run Period (Aug 4 - Oct 12)
Number of Fish Observed95762
Percent of Middle 80% of Run Analyzed [Number Observed]98.76 % [94584]
Tailrace TDG Percent Exposure Index101.73 %
Percent of Fish Exposed [Number Exposed]1.3 % [1281]
Number of Days Fish Exposed6
Middle 50% of Run Period (Sep 12 - Oct 2)
Number of Fish Observed60890
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [60890]
Tailrace TDG Percent Exposure Index101.08 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 1
5% of Run passedJul 16
10% of Run passedAug 4
50% of Run passedSep 21
90% of Run passedOct 12
95% of Run passedOct 18
Last Day of RunOct 31
Date(s) When Tailrace TDG Percent Crosses 115 %
Apr 9, Apr 10, Apr 13, May 22, Jun 1, Jun 5, Jun 6, Jun 12, Jun 16, Jun 19, Jun 20, Jul 10, Jul 13, Jul 20, Jul 21, Jul 22, Jul 24, Jul 25, Jul 26, Aug 2, Aug 4, Aug 6, Aug 12, Aug 13, Aug 18, Aug 21

1. Total Run Analyzed [117585] is less than total observed during the period [118763]. Only fish observed on days with River Parameter data are analyzed.