Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Chinook Query Parameters
Year2024
ProjectJohn Day
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 - May 17)
Total Number of Fish Observed55111
Percent of Total Run Analyzed [Number Observed]100 % [55111]
Temperature Tailrace Exposure Index12.24 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 80% of Run Period (Apr 28 - May 15)
Number of Fish Observed46449
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [46449]
Temperature Tailrace Exposure Index12.18 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (May 4 - May 13)
Number of Fish Observed33078
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [33078]
Temperature Tailrace Exposure Index12.02 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 25
10% of Run passedApr 28
50% of Run passedMay 8
90% of Run passedMay 15
95% of Run passedMay 16
Last Day of RunMay 17