Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer Steelhead Query Parameters
Year2022
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 (Feb 28 - Dec 5)
Total Number of Fish Observed341
Percent of Total Run Analyzed [Number Observed]100 % [341]
Tailrace TDG Percent Exposure Index119.72 %
Percent of Fish Exposed [Number Exposed]55.4 % [189]
Number of Days Fish Exposed32
Middle 80% of Run Period (Apr 17 - Jun 14)
Number of Fish Observed279
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [279]
Tailrace TDG Percent Exposure Index121.16 %
Percent of Fish Exposed [Number Exposed]59.4 % [166]
Number of Days Fish Exposed24
Middle 50% of Run Period (May 4 - Jun 12)
Number of Fish Observed205
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [205]
Tailrace TDG Percent Exposure Index122.04 %
Percent of Fish Exposed [Number Exposed]69.7 % [143]
Number of Days Fish Exposed22
Run Dates
First Day of RunFeb 28
5% of Run passedApr 7
10% of Run passedApr 17
50% of Run passedMay 21
90% of Run passedJun 14
95% of Run passedJun 18
Last Day of RunDec 5
Date(s) When Tailrace TDG Percent Crosses 120 %
May 20, Jul 5, Jul 12, Jul 15