Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2016
ProjectJohn Day
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 Observed130626
Percent of Total Run Analyzed [Number Observed]100 % [130626]
Tailrace TDG Percent Exposure Index101.97 %
Percent of Fish Exposed [Number Exposed]0.1 % [245]
Number of Days Fish Exposed37
Middle 80% of Run Period (Jul 31 - Oct 9)
Number of Fish Observed105482
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [105482]
Tailrace TDG Percent Exposure Index100.85 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Sep 9 - Sep 29)
Number of Fish Observed68226
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [68226]
Tailrace TDG Percent Exposure Index99.75 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 1
5% of Run passedJul 12
10% of Run passedJul 31
50% of Run passedSep 19
90% of Run passedOct 9
95% of Run passedOct 14
Last Day of RunOct 31
Date(s) When Tailrace TDG Percent Crosses 115 %
Apr 14, May 14, May 16, May 18, May 20, May 22, May 24, May 26, Jun 5, Jun 7, Jun 8, Jun 10