Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2018
ProjectLittle Goose
River ParameterTemperature
Critical Temperature 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 Observed45584
Percent of Total Run Analyzed [Number Observed]29.22 % [13322]1
Temperature Exposure Index18.09 C
Percent of Fish Exposed [Number Exposed]90.8 % [12101]
Number of Days Fish Exposed99
Middle 80% of Run Period (Sep 9 - Oct 19)
Number of Fish Observed37170
Percent of Middle 80% of Run Analyzed [Number Observed]24.04 % [8939]
Temperature Exposure Index18.68 C
Percent of Fish Exposed [Number Exposed]100 % [8939]
Number of Days Fish Exposed12
Middle 50% of Run Period (Sep 18 - Oct 10)
Number of Fish Observed23821
Percent of Middle 50% of Run Analyzed [Number Observed]10.99 % [2620]
Temperature Exposure Index18.41 C
Percent of Fish Exposed [Number Exposed]100 % [2620]
Number of Days Fish Exposed3
Run Dates
First Day of RunApr 1
5% of Run passedJul 27
10% of Run passedSep 9
50% of Run passedSep 29
90% of Run passedOct 19
95% of Run passedOct 23
Last Day of RunOct 31
Date(s) When Temperature Crosses 15 C
Jun 7

1. Total Run Analyzed [13322] is less than total observed during the period [45584]. Only fish observed on days with River Parameter data are analyzed.