Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Chinook Query Parameters
Year2021
ProjectMcNary
River ParameterTemperature Tailrace
Critical Temperature Tailrace Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates3/15 - 6/15
Total Run Period (Apr 1 - Jun 15)
Total Number of Fish Observed53997
Percent of Total Run Analyzed [Number Observed]100 % [53997]
Temperature Tailrace Exposure Index13.15 C
Percent of Fish Exposed [Number Exposed]16.6 % [9017]
Number of Days Fish Exposed10
Middle 80% of Run Period (May 3 - Jun 10)
Number of Fish Observed44795
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [44795]
Temperature Tailrace Exposure Index13.01 C
Percent of Fish Exposed [Number Exposed]8 % [3624]
Number of Days Fish Exposed5
Middle 50% of Run Period (May 7 - May 29)
Number of Fish Observed28848
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [28848]
Temperature Tailrace Exposure Index12.73 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 1
5% of Run passedMay 1
10% of Run passedMay 3
50% of Run passedMay 16
90% of Run passedJun 10
95% of Run passedJun 13
Last Day of RunJun 15
Date(s) When Temperature Tailrace Crosses 15 C
Jun 3, Jun 8, Jun 11