Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook 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 22 - Aug 9)
Total Number of Fish Observed12905
Percent of Total Run Analyzed [Number Observed]100 % [12905]
Tailrace TDG Percent Exposure Index110.49 %
Percent of Fish Exposed [Number Exposed]6.9 % [898]
Number of Days Fish Exposed3
Middle 80% of Run Period (Apr 12 - May 13)
Number of Fish Observed10484
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [10484]
Tailrace TDG Percent Exposure Index110.78 %
Percent of Fish Exposed [Number Exposed]8.5 % [898]
Number of Days Fish Exposed3
Middle 50% of Run Period (Apr 14 - May 7)
Number of Fish Observed7211
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [7211]
Tailrace TDG Percent Exposure Index110.53 %
Percent of Fish Exposed [Number Exposed]12.4 % [898]
Number of Days Fish Exposed3
Run Dates
First Day of RunMar 22
5% of Run passedApr 10
10% of Run passedApr 12
50% of Run passedApr 24
90% of Run passedMay 13
95% of Run passedMay 20
Last Day of RunAug 9
Date(s) When Tailrace TDG Percent Crosses 115 %
Apr 23, Apr 26