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 - Jun 21)
Total Number of Fish Observed4547
Percent of Total Run Analyzed [Number Observed]71.69 % [3260]1
Temperature Exposure Index8.83 C
Percent of Fish Exposed [Number Exposed]0.4 % [14]
Number of Days Fish Exposed7
Middle 80% of Run Period (Mar 12 - Apr 22)
Number of Fish Observed3684
Percent of Middle 80% of Run Analyzed [Number Observed]76.9 % [2833]
Temperature Exposure Index8.5 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Mar 18 - Apr 11)
Number of Fish Observed2415
Percent of Middle 50% of Run Analyzed [Number Observed]90.14 % [2177]
Temperature Exposure Index8.25 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 12
50% of Run passedApr 4
90% of Run passedApr 22
95% of Run passedApr 27
Last Day of RunJun 21
Date(s) When Temperature Crosses 15 C
Jun 7

1. Total Run Analyzed [3260] is less than total observed during the period [4547]. Only fish observed on days with River Parameter data are analyzed.