Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Chinook Query Parameters
Year2017
ProjectLower Granite
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 5 - Jun 15)
Total Number of Fish Observed25914
Percent of Total Run Analyzed [Number Observed]100 % [25914]
Tailrace TDG Percent Exposure Index121.72 %
Percent of Fish Exposed [Number Exposed]95.3 % [24720]
Number of Days Fish Exposed52
Middle 80% of Run Period (May 21 - Jun 13)
Number of Fish Observed21527
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [21527]
Tailrace TDG Percent Exposure Index122.7 %
Percent of Fish Exposed [Number Exposed]100 % [21527]
Number of Days Fish Exposed24
Middle 50% of Run Period (May 29 - Jun 11)
Number of Fish Observed14504
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [14504]
Tailrace TDG Percent Exposure Index124.51 %
Percent of Fish Exposed [Number Exposed]100 % [14504]
Number of Days Fish Exposed14
Run Dates
First Day of RunApr 5
5% of Run passedMay 20
10% of Run passedMay 21
50% of Run passedJun 4
90% of Run passedJun 13
95% of Run passedJun 14
Last Day of RunJun 15
Date(s) When Tailrace TDG Percent Crosses 115 %
May 1, May 2, May 3, May 5, May 20, May 21