Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Chinook Query Parameters
Year2016
ProjectThe Dalles
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 1 - Jun 15)
Total Number of Fish Observed129037
Percent of Total Run Analyzed [Number Observed]100 % [129037]
Tailrace TDG Percent Exposure Index116.68 %
Percent of Fish Exposed [Number Exposed]82 % [105840]
Number of Days Fish Exposed50
Middle 80% of Run Period (May 1 - Jun 9)
Number of Fish Observed104729
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [104729]
Tailrace TDG Percent Exposure Index117 %
Percent of Fish Exposed [Number Exposed]86.9 % [91109]
Number of Days Fish Exposed30
Middle 50% of Run Period (May 4 - May 28)
Number of Fish Observed67006
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [67006]
Tailrace TDG Percent Exposure Index116.84 %
Percent of Fish Exposed [Number Exposed]82.8 % [55524]
Number of Days Fish Exposed17
Run Dates
First Day of RunApr 1
5% of Run passedApr 25
10% of Run passedMay 1
50% of Run passedMay 10
90% of Run passedJun 9
95% of Run passedJun 13
Last Day of RunJun 15
Date(s) When Tailrace TDG Percent Crosses 115 %
Apr 12, Apr 25, Apr 26, May 19, May 20, May 22, May 31, Jun 11, Jun 13, Jun 14