Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Chinook Query Parameters
Year2019
ProjectBonneville
River ParameterTailrace TDG Percent
Critical Tailrace TDG Percent Value120 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates3/15 - 6/15
Total Run Period (Mar 16 - Jun 15)
Total Number of Fish Observed71234
Percent of Total Run Analyzed [Number Observed]100 % [71234]
Tailrace TDG Percent Exposure Index119.35 %
Percent of Fish Exposed [Number Exposed]10 % [7193]
Number of Days Fish Exposed11
Middle 80% of Run Period (May 1 - Jun 11)
Number of Fish Observed60641
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [60641]
Tailrace TDG Percent Exposure Index119.4 %
Percent of Fish Exposed [Number Exposed]11.2 % [6824]
Number of Days Fish Exposed7
Middle 50% of Run Period (May 5 - May 30)
Number of Fish Observed37385
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [37385]
Tailrace TDG Percent Exposure Index119.56 %
Percent of Fish Exposed [Number Exposed]9.4 % [3546]
Number of Days Fish Exposed3
Run Dates
First Day of RunMar 16
5% of Run passedApr 30
10% of Run passedMay 1
50% of Run passedMay 12
90% of Run passedJun 11
95% of Run passedJun 13
Last Day of RunJun 15
Date(s) When Tailrace TDG Percent Crosses 120 %
Apr 10, Apr 13, Apr 24, Apr 26, May 15, May 17, May 19, May 20, May 31, Jun 2, Jun 3, Jun 5