Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2024
ProjectLittle Goose
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 (Apr 2 - Jul 17)
Total Number of Fish Observed1471
Percent of Total Run Analyzed [Number Observed]100 % [1471]
Tailrace TDG Percent Exposure Index119.36 %
Percent of Fish Exposed [Number Exposed]25 % [369]
Number of Days Fish Exposed26
Middle 80% of Run Period (Apr 16 - May 20)
Number of Fish Observed1222
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [1222]
Tailrace TDG Percent Exposure Index119.29 %
Percent of Fish Exposed [Number Exposed]21.2 % [260]
Number of Days Fish Exposed9
Middle 50% of Run Period (Apr 18 - May 9)
Number of Fish Observed809
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [809]
Tailrace TDG Percent Exposure Index118.46 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 2
5% of Run passedApr 13
10% of Run passedApr 16
50% of Run passedApr 23
90% of Run passedMay 20
95% of Run passedJun 2
Last Day of RunJul 17
Date(s) When Tailrace TDG Percent Crosses 120 %
Apr 13, Apr 17, May 13, May 21, May 24, May 25, May 30, May 31, Jun 1, Jun 14