Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2024
ProjectMcNary
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 30 - Jun 30)
Total Number of Fish Observed1851
Percent of Total Run Analyzed [Number Observed]100 % [1851]
Temperature Tailrace Exposure Index11.34 C
Percent of Fish Exposed [Number Exposed]2.3 % [44]
Number of Days Fish Exposed18
Middle 80% of Run Period (Apr 15 - May 18)
Number of Fish Observed1488
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [1488]
Temperature Tailrace Exposure Index11.27 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Apr 22 - May 8)
Number of Fish Observed980
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [980]
Temperature Tailrace Exposure Index11.07 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 30
5% of Run passedApr 8
10% of Run passedApr 15
50% of Run passedApr 28
90% of Run passedMay 18
95% of Run passedMay 26
Last Day of RunJun 30
Date(s) When Temperature Tailrace Crosses 15 C
Jun 8