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 - Jul 1)
Total Number of Fish Observed664
Percent of Total Run Analyzed [Number Observed]100 % [664]
Temperature Tailrace Exposure Index12.64 C
Percent of Fish Exposed [Number Exposed]31.1 % [207]
Number of Days Fish Exposed17
Middle 80% of Run Period (Apr 5 - Jun 29)
Number of Fish Observed542
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [542]
Temperature Tailrace Exposure Index12.42 C
Percent of Fish Exposed [Number Exposed]26.1 % [142]
Number of Days Fish Exposed15
Middle 50% of Run Period (Apr 13 - Jun 25)
Number of Fish Observed356
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [356]
Temperature Tailrace Exposure Index12.07 C
Percent of Fish Exposed [Number Exposed]13.7 % [49]
Number of Days Fish Exposed11
Run Dates
First Day of RunApr 1
5% of Run passedApr 3
10% of Run passedApr 5
50% of Run passedApr 27
90% of Run passedJun 29
95% of Run passedJul 1
Last Day of RunJul 1
Date(s) When Temperature Tailrace Crosses 15 C
Jun 12