Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Chinook Query Parameters
Year2017
ProjectBonneville
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 (Mar 15 - Jun 15)
Total Number of Fish Observed107516
Percent of Total Run Analyzed [Number Observed]100 % [107516]
Tailrace TDG Percent Exposure Index123.02 %
Percent of Fish Exposed [Number Exposed]92.8 % [99803]
Number of Days Fish Exposed75
Middle 80% of Run Period (May 5 - Jun 9)
Number of Fish Observed88684
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [88684]
Tailrace TDG Percent Exposure Index122.97 %
Percent of Fish Exposed [Number Exposed]91.3 % [80971]
Number of Days Fish Exposed31
Middle 50% of Run Period (May 11 - May 30)
Number of Fish Observed56108
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [56108]
Tailrace TDG Percent Exposure Index124.29 %
Percent of Fish Exposed [Number Exposed]100 % [56108]
Number of Days Fish Exposed20
Run Dates
First Day of RunMar 15
5% of Run passedMay 4
10% of Run passedMay 5
50% of Run passedMay 22
90% of Run passedJun 9
95% of Run passedJun 12
Last Day of RunJun 15
Date(s) When Tailrace TDG Percent Crosses 115 %
Jun 4, Jun 9