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 - Aug 7)
Total Number of Fish Observed1887
Percent of Total Run Analyzed [Number Observed]100 % [1887]
Temperature Tailrace Exposure Index11.41 C
Percent of Fish Exposed [Number Exposed]3 % [58]
Number of Days Fish Exposed24
Middle 80% of Run Period (Apr 15 - May 20)
Number of Fish Observed1528
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [1528]
Temperature Tailrace Exposure Index11.32 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 Observed988
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [988]
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 20
95% of Run passedMay 28
Last Day of RunAug 7
Date(s) When Temperature Tailrace Crosses 15 C
Jun 8