Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Chinook Query Parameters
Year2019
ProjectIce Harbor
River ParameterTailrace TDG Percent
Critical Tailrace TDG Percent Value120 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates3/15 - 6/15
Total Run Period (Apr 6 - Jun 15)
Total Number of Fish Observed22590
Percent of Total Run Analyzed [Number Observed]100 % [22590]
Tailrace TDG Percent Exposure Index120.16 %
Percent of Fish Exposed [Number Exposed]43 % [9734]
Number of Days Fish Exposed23
Middle 80% of Run Period (May 10 - Jun 7)
Number of Fish Observed18750
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [18750]
Tailrace TDG Percent Exposure Index120.5 %
Percent of Fish Exposed [Number Exposed]44.8 % [8401]
Number of Days Fish Exposed15
Middle 50% of Run Period (May 13 - May 28)
Number of Fish Observed12415
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [12415]
Tailrace TDG Percent Exposure Index120.63 %
Percent of Fish Exposed [Number Exposed]45.7 % [5685]
Number of Days Fish Exposed7
Run Dates
First Day of RunApr 6
5% of Run passedMay 9
10% of Run passedMay 10
50% of Run passedMay 18
90% of Run passedJun 7
95% of Run passedJun 11
Last Day of RunJun 15
Date(s) When Tailrace TDG Percent Crosses 120 %
Apr 9, Apr 13, Apr 21, Apr 30, May 8, May 10, May 15, May 22, May 30, Jun 7