Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Chinook Query Parameters
Year2019
ProjectThe Dalles
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 (Apr 2 - Jun 15)
Total Number of Fish Observed49837
Percent of Total Run Analyzed [Number Observed]100 % [49837]
Tailrace TDG Percent Exposure Index120.16 %
Percent of Fish Exposed [Number Exposed]59.4 % [29638]
Number of Days Fish Exposed35
Middle 80% of Run Period (May 5 - Jun 11)
Number of Fish Observed40459
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [40459]
Tailrace TDG Percent Exposure Index120.27 %
Percent of Fish Exposed [Number Exposed]61.9 % [25064]
Number of Days Fish Exposed20
Middle 50% of Run Period (May 9 - Jun 3)
Number of Fish Observed25814
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [25814]
Tailrace TDG Percent Exposure Index120.49 %
Percent of Fish Exposed [Number Exposed]64.4 % [16630]
Number of Days Fish Exposed15
Run Dates
First Day of RunApr 2
5% of Run passedMay 3
10% of Run passedMay 5
50% of Run passedMay 16
90% of Run passedJun 11
95% of Run passedJun 14
Last Day of RunJun 15
Date(s) When Tailrace TDG Percent Crosses 120 %
Apr 13, Apr 20, Apr 25, Apr 27, Apr 29, May 2, May 4, May 13, May 15, May 17, May 18, May 20, May 21, May 24, May 30, Jun 3, Jun 10, Jun 11, Jun 12, Jun 14