Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2018
ProjectLower Granite
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Mar 5 - Aug 13)
Total Number of Fish Observed6022
Percent of Total Run Analyzed [Number Observed]78.62 % [4735]1
Temperature Exposure Index12.04 C
Percent of Fish Exposed [Number Exposed]31.4 % [1489]
Number of Days Fish Exposed60
Middle 80% of Run Period (Mar 13 - Jul 26)
Number of Fish Observed4873
Percent of Middle 80% of Run Analyzed [Number Observed]85.38 % [4161]
Temperature Exposure Index11.01 C
Percent of Fish Exposed [Number Exposed]21.9 % [915]
Number of Days Fish Exposed42
Middle 50% of Run Period (Mar 26 - May 18)
Number of Fish Observed3025
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [3025]
Temperature Exposure Index8.96 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 5
5% of Run passedMar 11
10% of Run passedMar 13
50% of Run passedApr 8
90% of Run passedJul 26
95% of Run passedAug 4
Last Day of RunAug 13
Date(s) When Temperature Crosses 15 C
Jun 7

1. Total Run Analyzed [4735] is less than total observed during the period [6022]. Only fish observed on days with River Parameter data are analyzed.