Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Chinook Query Parameters
Year2024
ProjectMcNary
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 1 - May 17)
Total Number of Fish Observed46270
Percent of Total Run Analyzed [Number Observed]100 % [46270]
Tailrace TDG Percent Exposure Index118.18 %
Percent of Fish Exposed [Number Exposed]19.8 % [9191]
Number of Days Fish Exposed3
Middle 80% of Run Period (May 1 - May 16)
Number of Fish Observed39297
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [39297]
Tailrace TDG Percent Exposure Index118.12 %
Percent of Fish Exposed [Number Exposed]16.6 % [6553]
Number of Days Fish Exposed2
Middle 50% of Run Period (May 6 - May 14)
Number of Fish Observed27124
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [27124]
Tailrace TDG Percent Exposure Index117.33 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 1
5% of Run passedApr 27
10% of Run passedMay 1
50% of Run passedMay 10
90% of Run passedMay 16
95% of Run passedMay 17
Last Day of RunMay 17
Date(s) When Tailrace TDG Percent Crosses 120 %
May 15