Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Chinook Query Parameters
Year2017
ProjectJohn Day
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 3 - Jun 15)
Total Number of Fish Observed57909
Percent of Total Run Analyzed [Number Observed]100 % [57909]
Tailrace TDG Percent Exposure Index125.14 %
Percent of Fish Exposed [Number Exposed]100 % [57909]
Number of Days Fish Exposed72
Middle 80% of Run Period (May 11 - Jun 11)
Number of Fish Observed47194
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [47194]
Tailrace TDG Percent Exposure Index124.71 %
Percent of Fish Exposed [Number Exposed]100 % [47194]
Number of Days Fish Exposed32
Middle 50% of Run Period (May 20 - Jun 2)
Number of Fish Observed29361
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [29361]
Tailrace TDG Percent Exposure Index123.2 %
Percent of Fish Exposed [Number Exposed]100 % [29361]
Number of Days Fish Exposed14
Run Dates
First Day of RunApr 3
5% of Run passedMay 8
10% of Run passedMay 11
50% of Run passedMay 25
90% of Run passedJun 11
95% of Run passedJun 13
Last Day of RunJun 15