Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2019
ProjectLittle Goose
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 (Apr 1 - Oct 31)
Total Number of Fish Observed29066
Percent of Total Run Analyzed [Number Observed]100 % [29066]
Tailrace TDG Percent Exposure Index98.26 %
Percent of Fish Exposed [Number Exposed]0.6 % [194]
Number of Days Fish Exposed11
Middle 80% of Run Period (Sep 3 - Oct 23)
Number of Fish Observed23329
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [23329]
Tailrace TDG Percent Exposure Index96.77 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Sep 24 - Oct 14)
Number of Fish Observed15368
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [15368]
Tailrace TDG Percent Exposure Index96.63 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 1
5% of Run passedJul 23
10% of Run passedSep 3
50% of Run passedOct 2
90% of Run passedOct 23
95% of Run passedOct 27
Last Day of RunOct 31
Date(s) When Tailrace TDG Percent Crosses 120 %
Apr 9, Apr 12, Apr 21, Apr 28, May 18, May 20, Jun 1, Jun 6