Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2021
ProjectLower Granite
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 22 - Jul 7)
Total Number of Fish Observed11690
Percent of Total Run Analyzed [Number Observed]100 % [11690]
Tailrace TDG Percent Exposure Index116.11 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 80% of Run Period (Apr 21 - Jun 1)
Number of Fish Observed9432
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [9432]
Tailrace TDG Percent Exposure Index116.29 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Apr 28 - May 17)
Number of Fish Observed6026
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [6026]
Tailrace TDG Percent Exposure Index116.41 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunFeb 22
5% of Run passedApr 17
10% of Run passedApr 21
50% of Run passedMay 6
90% of Run passedJun 1
95% of Run passedJun 7
Last Day of RunJul 7