Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2022
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 8 - Dec 13)
Total Number of Fish Observed2281
Percent of Total Run Analyzed [Number Observed]100 % [2281]
Tailrace TDG Percent Exposure Index120.03 %
Percent of Fish Exposed [Number Exposed]58.7 % [1341]
Number of Days Fish Exposed36
Middle 80% of Run Period (May 6 - Jun 8)
Number of Fish Observed1865
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [1865]
Tailrace TDG Percent Exposure Index120.46 %
Percent of Fish Exposed [Number Exposed]64.4 % [1202]
Number of Days Fish Exposed24
Middle 50% of Run Period (May 9 - May 30)
Number of Fish Observed1236
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [1236]
Tailrace TDG Percent Exposure Index119.83 %
Percent of Fish Exposed [Number Exposed]50.5 % [625]
Number of Days Fish Exposed13
Run Dates
First Day of RunApr 8
5% of Run passedApr 29
10% of Run passedMay 6
50% of Run passedMay 15
90% of Run passedJun 8
95% of Run passedJun 15
Last Day of RunDec 13
Date(s) When Tailrace TDG Percent Crosses 120 %
May 7, May 10, May 17, May 24, May 26, Jun 21