Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2017
ProjectLower Granite
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 Observed76798
Percent of Total Run Analyzed [Number Observed]100 % [76798]
Tailrace TDG Percent Exposure Index101.68 %
Percent of Fish Exposed [Number Exposed]8.2 % [6345]
Number of Days Fish Exposed86
Middle 80% of Run Period (Aug 8 - Oct 24)
Number of Fish Observed61651
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [61651]
Tailrace TDG Percent Exposure Index99.21 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Sep 26 - Oct 11)
Number of Fish Observed41451
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [41451]
Tailrace TDG Percent Exposure Index99.1 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 1
5% of Run passedMar 25
10% of Run passedAug 8
50% of Run passedOct 3
90% of Run passedOct 24
95% of Run passedNov 3
Last Day of RunDec 31
Date(s) When Tailrace TDG Percent Crosses 115 %
Mar 10, May 1, May 2, May 3, May 5, May 20, May 21, Jun 16, Jun 17, Jun 18, Jun 19, Jun 20, Jun 21, Jun 22