Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Chinook Query Parameters
Year2016
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 1 - Jun 15)
Total Number of Fish Observed113456
Percent of Total Run Analyzed [Number Observed]100 % [113456]
Tailrace TDG Percent Exposure Index115.99 %
Percent of Fish Exposed [Number Exposed]67.6 % [76716]
Number of Days Fish Exposed40
Middle 80% of Run Period (May 2 - Jun 10)
Number of Fish Observed93226
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [93226]
Tailrace TDG Percent Exposure Index116.11 %
Percent of Fish Exposed [Number Exposed]73 % [68102]
Number of Days Fish Exposed22
Middle 50% of Run Period (May 5 - May 29)
Number of Fish Observed58344
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [58344]
Tailrace TDG Percent Exposure Index116.5 %
Percent of Fish Exposed [Number Exposed]76.1 % [44404]
Number of Days Fish Exposed15
Run Dates
First Day of RunApr 1
5% of Run passedApr 28
10% of Run passedMay 2
50% of Run passedMay 10
90% of Run passedJun 10
95% of Run passedJun 13
Last Day of RunJun 15
Date(s) When Tailrace TDG Percent Crosses 115 %
Apr 14, May 14, May 16, May 18, May 20, May 22, May 24, May 26, Jun 5, Jun 7, Jun 8, Jun 10