Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Chinook Query Parameters
Year2024
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 Observed69969
Percent of Total Run Analyzed [Number Observed]100 % [69969]
Temperature Tailrace Exposure Index13.09 C
Percent of Fish Exposed [Number Exposed]10.6 % [7476]
Number of Days Fish Exposed8
Middle 80% of Run Period (May 3 - Jun 8)
Number of Fish Observed56744
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [56744]
Temperature Tailrace Exposure Index13 C
Percent of Fish Exposed [Number Exposed]1.1 % [644]
Number of Days Fish Exposed1
Middle 50% of Run Period (May 8 - May 22)
Number of Fish Observed38200
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [38200]
Temperature Tailrace Exposure Index13.14 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 1
5% of Run passedApr 29
10% of Run passedMay 3
50% of Run passedMay 14
90% of Run passedJun 8
95% of Run passedJun 13
Last Day of RunJun 15
Date(s) When Temperature Tailrace Crosses 15 C
Jun 8