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 - Jun 15)
Total Number of Fish Observed80800
Percent of Total Run Analyzed [Number Observed]100 % [80800]
Temperature Tailrace Exposure Index13.18 C
Percent of Fish Exposed [Number Exposed]12.9 % [10445]
Number of Days Fish Exposed9
Middle 80% of Run Period (Apr 30 - Jun 10)
Number of Fish Observed66371
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [66371]
Temperature Tailrace Exposure Index13.03 C
Percent of Fish Exposed [Number Exposed]4.8 % [3208]
Number of Days Fish Exposed4
Middle 50% of Run Period (May 6 - May 23)
Number of Fish Observed44646
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [44646]
Temperature Tailrace Exposure Index12.81 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 26
10% of Run passedApr 30
50% of Run passedMay 12
90% of Run passedJun 10
95% of Run passedJun 13
Last Day of RunJun 15
Date(s) When Temperature Tailrace Crosses 15 C
Jun 7