Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer Steelhead Query Parameters
Year2016
ProjectLower Granite
River ParameterTailrace TDG Percent
Critical Tailrace TDG Percent Value115 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Mar 21 - Jun 19)
Total Number of Fish Observed7306
Percent of Total Run Analyzed [Number Observed]100 % [7306]
Tailrace TDG Percent Exposure Index110.7 %
Percent of Fish Exposed [Number Exposed]8.8 % [645]
Number of Days Fish Exposed3
Middle 80% of Run Period (Apr 13 - May 18)
Number of Fish Observed6103
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [6103]
Tailrace TDG Percent Exposure Index110.97 %
Percent of Fish Exposed [Number Exposed]10.5 % [645]
Number of Days Fish Exposed3
Middle 50% of Run Period (Apr 17 - May 11)
Number of Fish Observed3760
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [3760]
Tailrace TDG Percent Exposure Index111.91 %
Percent of Fish Exposed [Number Exposed]17.1 % [645]
Number of Days Fish Exposed3
Run Dates
First Day of RunMar 21
5% of Run passedApr 12
10% of Run passedApr 13
50% of Run passedApr 29
90% of Run passedMay 18
95% of Run passedMay 23
Last Day of RunJun 19
Date(s) When Tailrace TDG Percent Crosses 115 %
Apr 23, Apr 26