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 - Nov 20)
Total Number of Fish Observed75251
Percent of Total Run Analyzed [Number Observed]100 % [75251]
Tailrace TDG Percent Exposure Index101.73 %
Percent of Fish Exposed [Number Exposed]8.4 % [6345]
Number of Days Fish Exposed86
Middle 80% of Run Period (Jul 27 - Oct 22)
Number of Fish Observed60827
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [60827]
Tailrace TDG Percent Exposure Index99.23 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Sep 26 - Oct 10)
Number of Fish Observed39393
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [39393]
Tailrace TDG Percent Exposure Index99.15 %
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 passedJul 27
50% of Run passedOct 3
90% of Run passedOct 22
95% of Run passedOct 29
Last Day of RunNov 20
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