Columbia Basin Performance Measures

Adult Passage Exposure Results

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Adult Chinook Query Parameters
Year2017
ProjectLittle Goose
River ParameterTailrace TDG Percent
Critical Tailrace TDG Percent Value115 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates3/15 - 6/15
Total Run Period (Apr 15 - Jun 15)
Total Number of Fish Observed26598
Percent of Total Run Analyzed [Number Observed]100 % [26598]
Tailrace TDG Percent Exposure Index121.18 %
Percent of Fish Exposed [Number Exposed]100 % [26598]
Number of Days Fish Exposed60
Middle 80% of Run Period (May 20 - Jun 12)
Number of Fish Observed22030
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [22030]
Tailrace TDG Percent Exposure Index121.94 %
Percent of Fish Exposed [Number Exposed]100 % [22030]
Number of Days Fish Exposed24
Middle 50% of Run Period (May 28 - Jun 9)
Number of Fish Observed14023
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [14023]
Tailrace TDG Percent Exposure Index123.49 %
Percent of Fish Exposed [Number Exposed]100 % [14023]
Number of Days Fish Exposed13
Run Dates
First Day of RunApr 15
5% of Run passedMay 18
10% of Run passedMay 20
50% of Run passedJun 2
90% of Run passedJun 12
95% of Run passedJun 13
Last Day of RunJun 15