Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2018
ProjectIce Harbor
River ParameterTailrace TDG Percent
Critical Tailrace TDG Percent Value120 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Mar 1 - Dec 31)
Total Number of Fish Observed48262
Percent of Total Run Analyzed [Number Observed]100 % [48262]
Tailrace TDG Percent Exposure Index100.84 %
Percent of Fish Exposed [Number Exposed]0.1 % [95]
Number of Days Fish Exposed19
Middle 80% of Run Period (Sep 3 - Oct 23)
Number of Fish Observed38866
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [38866]
Tailrace TDG Percent Exposure Index100 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Sep 14 - Oct 9)
Number of Fish Observed25089
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [25089]
Tailrace TDG Percent Exposure Index99.4 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 1
5% of Run passedJul 18
10% of Run passedSep 3
50% of Run passedSep 27
90% of Run passedOct 23
95% of Run passedNov 3
Last Day of RunDec 31
Date(s) When Tailrace TDG Percent Crosses 120 %
Apr 11, Apr 12, Apr 15, Apr 16, May 7, May 8, May 9, May 12, May 15, Jun 3, Aug 23, Aug 24