Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2016
ProjectThe Dalles
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 Observed145027
Percent of Total Run Analyzed [Number Observed]52.43 % [76048]1
Temperature Exposure Index20.46 C
Percent of Fish Exposed [Number Exposed]99.5 % [75713]
Number of Days Fish Exposed113
Middle 80% of Run Period (Jul 20 - Oct 5)
Number of Fish Observed116718
Percent of Middle 80% of Run Analyzed [Number Observed]52.9 % [61751]
Temperature Exposure Index20.74 C
Percent of Fish Exposed [Number Exposed]100 % [61751]
Number of Days Fish Exposed58
Middle 50% of Run Period (Sep 2 - Sep 25)
Number of Fish Observed74287
Percent of Middle 50% of Run Analyzed [Number Observed]53.77 % [39945]
Temperature Exposure Index20.3 C
Percent of Fish Exposed [Number Exposed]100 % [39945]
Number of Days Fish Exposed14
Run Dates
First Day of RunApr 1
5% of Run passedJul 8
10% of Run passedJul 20
50% of Run passedSep 14
90% of Run passedOct 5
95% of Run passedOct 10
Last Day of RunOct 31
Date(s) When Temperature Crosses 15 C
May 18, May 19, May 25, May 27, May 29

1. Total Run Analyzed [76048] is less than total observed during the period [145027]. Only fish observed on days with River Parameter data are analyzed.