Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer Steelhead Query Parameters
Year2021
ProjectBonneville
River ParameterTemperature Tailrace
Critical Temperature Tailrace Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Mar 31 - Jul 3)
Total Number of Fish Observed5379
Percent of Total Run Analyzed [Number Observed]100 % [5379]
Temperature Tailrace Exposure Index14.1 C
Percent of Fish Exposed [Number Exposed]15.2 % [819]
Number of Days Fish Exposed31
Middle 80% of Run Period (May 4 - Jun 3)
Number of Fish Observed4429
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [4429]
Temperature Tailrace Exposure Index14.11 C
Percent of Fish Exposed [Number Exposed]7.8 % [346]
Number of Days Fish Exposed4
Middle 50% of Run Period (May 11 - May 27)
Number of Fish Observed2950
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [2950]
Temperature Tailrace Exposure Index14.14 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 31
5% of Run passedApr 29
10% of Run passedMay 4
50% of Run passedMay 18
90% of Run passedJun 3
95% of Run passedJun 6
Last Day of RunJul 3
Date(s) When Temperature Tailrace Crosses 15 C
May 31