Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer Steelhead Query Parameters
Year2024
ProjectIce Harbor
River ParameterTemperature Tailrace
Critical Temperature Tailrace Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Apr 3 - Jun 21)
Total Number of Fish Observed283
Percent of Total Run Analyzed [Number Observed]100 % [283]
Temperature Tailrace Exposure Index13.41 C
Percent of Fish Exposed [Number Exposed]16.2 % [46]
Number of Days Fish Exposed8
Middle 80% of Run Period (Apr 23 - Jun 2)
Number of Fish Observed228
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [228]
Temperature Tailrace Exposure Index13.55 C
Percent of Fish Exposed [Number Exposed]13.5 % [31]
Number of Days Fish Exposed2
Middle 50% of Run Period (May 3 - May 24)
Number of Fish Observed146
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [146]
Temperature Tailrace Exposure Index13.87 C
Percent of Fish Exposed [Number Exposed]21.2 % [31]
Number of Days Fish Exposed2
Run Dates
First Day of RunApr 3
5% of Run passedApr 18
10% of Run passedApr 23
50% of Run passedMay 18
90% of Run passedJun 2
95% of Run passedJun 9
Last Day of RunJun 21
Date(s) When Temperature Tailrace Crosses 15 C
May 20, May 22, Jun 7, Jun 9, Jun 10, Jun 12, Jun 14