Columbia Basin Performance Measures

Adult Passage Exposure Results

graph
Adult Steelhead Query Parameters
Year2024
ProjectLower Granite
River ParameterTemperature Tailrace
Critical Temperature Tailrace Value15 °C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period ( - )
Total Number of Fish Observed104405
Percent of Total Run Analyzed [Number Observed]100 % [104405]
Temperature Tailrace Exposure Index17.35 °C
Percent of Fish Exposed [Number Exposed]89.3 % [93252]
Number of Days Fish Exposed134
Middle 80% of Run Period ( - )
Number of Fish Observed84545
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [84545]
Temperature Tailrace Exposure Index18.05 °C
Percent of Fish Exposed [Number Exposed]100 % [84545]
Number of Days Fish Exposed48
Middle 50% of Run Period ( - )
Number of Fish Observed54105
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [54105]
Temperature Tailrace Exposure Index18.36 °C
Percent of Fish Exposed [Number Exposed]100 % [54105]
Number of Days Fish Exposed23
Run Dates
First Day of Run
5% of Run passed
10% of Run passed
50% of Run passed
90% of Run passed
95% of Run passed
Last Day of Run
Date(s) When Temperature Tailrace Crosses 15 °C