Columbia Basin Performance Measures

Adult Passage Exposure Results

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Adult Chinook Query Parameters
Year2020
ProjectBonneville
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates3/15 - 6/15
Total Run Period (Mar 16 - Jun 15)
Total Number of Fish Observed79693
Percent of Total Run Analyzed [Number Observed]100 % [79693]
Temperature Exposure Index13.43 C
Percent of Fish Exposed [Number Exposed]4 % [3257]
Number of Days Fish Exposed2
Middle 80% of Run Period (Apr 29 - Jun 11)
Number of Fish Observed65037
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [65037]
Temperature Exposure Index13.48 C
Percent of Fish Exposed [Number Exposed]1.9 % [1248]
Number of Days Fish Exposed1
Middle 50% of Run Period (May 5 - Jun 4)
Number of Fish Observed43120
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [43120]
Temperature Exposure Index13.38 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 16
5% of Run passedApr 26
10% of Run passedApr 29
50% of Run passedMay 17
90% of Run passedJun 11
95% of Run passedJun 13
Last Day of RunJun 15
Date(s) When Temperature Crosses 15 C
Jun 11, Jun 13