Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer Steelhead Query Parameters
Year2021
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 22)
Total Number of Fish Observed465
Percent of Total Run Analyzed [Number Observed]100 % [465]
Temperature Tailrace Exposure Index12.5 C
Percent of Fish Exposed [Number Exposed]6.2 % [29]
Number of Days Fish Exposed13
Middle 80% of Run Period (Apr 19 - Jun 2)
Number of Fish Observed381
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [381]
Temperature Tailrace Exposure Index12.54 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (May 5 - May 25)
Number of Fish Observed237
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [237]
Temperature Tailrace Exposure Index12.61 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 13
10% of Run passedApr 19
50% of Run passedMay 14
90% of Run passedJun 2
95% of Run passedJun 9
Last Day of RunJun 22
Date(s) When Temperature Tailrace Crosses 15 C
Jun 3, Jun 8, Jun 11