Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Chinook Query Parameters
Year2024
ProjectLittle Goose
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 5 - May 17)
Total Number of Fish Observed20319
Percent of Total Run Analyzed [Number Observed]100 % [20319]
Tailrace TDG Percent Exposure Index120.98 %
Percent of Fish Exposed [Number Exposed]79.9 % [16236]
Number of Days Fish Exposed10
Middle 80% of Run Period (May 8 - May 17)
Number of Fish Observed18538
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [18538]
Tailrace TDG Percent Exposure Index121.26 %
Percent of Fish Exposed [Number Exposed]87.5 % [16228]
Number of Days Fish Exposed6
Middle 50% of Run Period (May 12 - May 16)
Number of Fish Observed12892
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [12892]
Tailrace TDG Percent Exposure Index121.63 %
Percent of Fish Exposed [Number Exposed]100 % [12892]
Number of Days Fish Exposed5
Run Dates
First Day of RunApr 5
5% of Run passedMay 5
10% of Run passedMay 8
50% of Run passedMay 14
90% of Run passedMay 17
95% of Run passedMay 17
Last Day of RunMay 17
Date(s) When Tailrace TDG Percent Crosses 120 %
Apr 13, Apr 17, May 12