Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2016
ProjectBonneville
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Jan 1 - Dec 31)
Total Number of Fish Observed188150
Percent of Total Run Analyzed [Number Observed]75.38 % [141836]1
Temperature Exposure Index20.25 C
Percent of Fish Exposed [Number Exposed]96.7 % [137181]
Number of Days Fish Exposed114
Middle 80% of Run Period (Jul 5 - Sep 26)
Number of Fish Observed151536
Percent of Middle 80% of Run Analyzed [Number Observed]81.69 % [123794]
Temperature Exposure Index20.91 C
Percent of Fish Exposed [Number Exposed]100 % [123794]
Number of Days Fish Exposed72
Middle 50% of Run Period (Jul 25 - Sep 14)
Number of Fish Observed95759
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [95759]
Temperature Exposure Index21.16 C
Percent of Fish Exposed [Number Exposed]100 % [95759]
Number of Days Fish Exposed52
Run Dates
First Day of RunJan 1
5% of Run passedJun 20
10% of Run passedJul 5
50% of Run passedAug 19
90% of Run passedSep 26
95% of Run passedOct 4
Last Day of RunDec 31
Date(s) When Temperature Crosses 15 C
May 18, May 21, May 25, May 27, May 29

1. Total Run Analyzed [141836] is less than total observed during the period [188150]. Only fish observed on days with River Parameter data are analyzed.