Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead 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 (Apr 1 - Jul 1)
Total Number of Fish Observed1732
Percent of Total Run Analyzed [Number Observed]100 % [1732]
Temperature Tailrace Exposure Index16.51 C
Percent of Fish Exposed [Number Exposed]88.1 % [1527]
Number of Days Fish Exposed24
Middle 80% of Run Period (May 17 - Jul 1)
Number of Fish Observed1559
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [1559]
Temperature Tailrace Exposure Index17.28 C
Percent of Fish Exposed [Number Exposed]97.9 % [1527]
Number of Days Fish Exposed24
Middle 50% of Run Period (Jun 21 - Jun 29)
Number of Fish Observed1001
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [1001]
Temperature Tailrace Exposure Index17.54 C
Percent of Fish Exposed [Number Exposed]100 % [1001]
Number of Days Fish Exposed9
Run Dates
First Day of RunApr 1
5% of Run passedApr 12
10% of Run passedMay 17
50% of Run passedJun 26
90% of Run passedJul 1
95% of Run passedJul 1
Last Day of RunJul 1
Date(s) When Temperature Tailrace Crosses 15 C
Jun 8