Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2024
ProjectLittle Goose
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 - Oct 31)
Total Number of Fish Observed95619
Percent of Total Run Analyzed [Number Observed]100 % [95619]
Temperature Tailrace Exposure Index18.42 C
Percent of Fish Exposed [Number Exposed]98.8 % [94511]
Number of Days Fish Exposed137
Middle 80% of Run Period (Sep 5 - Oct 16)
Number of Fish Observed77783
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [77783]
Temperature Tailrace Exposure Index18.54 C
Percent of Fish Exposed [Number Exposed]100 % [77783]
Number of Days Fish Exposed42
Middle 50% of Run Period (Sep 14 - Oct 5)
Number of Fish Observed51095
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [51095]
Temperature Tailrace Exposure Index18.64 C
Percent of Fish Exposed [Number Exposed]100 % [51095]
Number of Days Fish Exposed22
Run Dates
First Day of RunApr 1
5% of Run passedAug 23
10% of Run passedSep 5
50% of Run passedSep 26
90% of Run passedOct 16
95% of Run passedOct 22
Last Day of RunOct 31
Date(s) When Temperature Tailrace Crosses 15 C
Jun 12, Oct 30