Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2020
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 1 - Dec 30)
Total Number of Fish Observed58757
Percent of Total Run Analyzed [Number Observed]10.57 % [6215]1
Temperature Exposure Index17.63 C
Percent of Fish Exposed [Number Exposed]83.7 % [5206]
Number of Days Fish Exposed76
Middle 80% of Run Period (Aug 31 - Oct 24)
Number of Fish Observed47232
Percent of Middle 80% of Run Analyzed [Number Observed]3.5 % [1654]
Temperature Exposure Index19.49 C
Percent of Fish Exposed [Number Exposed]100 % [1654]
Number of Days Fish Exposed10
Middle 50% of Run Period (Sep 21 - Oct 12)
Number of Fish Observed30881
Percent of Middle 50% of Run Analyzed [Number Observed]0 % [0]
Temperature Exposure IndexN/A C
Percent of Fish Exposed [Number Exposed]0 % [N/A]
Number of Days Fish ExposedN/A
Run Dates
First Day of RunMar 1
5% of Run passedJul 24
10% of Run passedAug 31
50% of Run passedSep 30
90% of Run passedOct 24
95% of Run passedNov 5
Last Day of RunDec 30
Date(s) When Temperature Crosses 15 C
Jun 24, Jul 3, Jul 5

1. Total Run Analyzed [6215] is less than total observed during the period [58757]. Only fish observed on days with River Parameter data are analyzed.