Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2018
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 (Mar 1 - Oct 5)
Total Number of Fish Observed10734
Percent of Total Run Analyzed [Number Observed]100 % [10734]
Tailrace TDG Percent Exposure Index116.91 %
Percent of Fish Exposed [Number Exposed]2.3 % [252]
Number of Days Fish Exposed4
Middle 80% of Run Period (Apr 11 - May 18)
Number of Fish Observed8762
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [8762]
Tailrace TDG Percent Exposure Index116.82 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Apr 17 - May 11)
Number of Fish Observed5797
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [5797]
Tailrace TDG Percent Exposure Index116.66 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 1
5% of Run passedApr 9
10% of Run passedApr 11
50% of Run passedMay 1
90% of Run passedMay 18
95% of Run passedMay 24
Last Day of RunOct 5
Date(s) When Tailrace TDG Percent Crosses 120 %
May 25, May 29