Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer Steelhead Query Parameters
Year2024
ProjectMcNary
River ParameterTailrace TDG Percent
Critical Tailrace TDG Percent Value120 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Mar 28 - May 17)
Total Number of Fish Observed215
Percent of Total Run Analyzed [Number Observed]100 % [215]
Tailrace TDG Percent Exposure Index115.76 %
Percent of Fish Exposed [Number Exposed]3.7 % [8]
Number of Days Fish Exposed3
Middle 80% of Run Period (Apr 4 - May 12)
Number of Fish Observed177
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [177]
Tailrace TDG Percent Exposure Index115.89 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Apr 13 - May 8)
Number of Fish Observed112
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [112]
Tailrace TDG Percent Exposure Index116.93 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 28
5% of Run passedApr 1
10% of Run passedApr 4
50% of Run passedApr 28
90% of Run passedMay 12
95% of Run passedMay 14
Last Day of RunMay 17
Date(s) When Tailrace TDG Percent Crosses 120 %
May 15