Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Chinook Query Parameters
Year2021
ProjectThe Dalles
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 Observed73921
Percent of Total Run Analyzed [Number Observed]100 % [73921]
Temperature Tailrace Exposure Index13.83 C
Percent of Fish Exposed [Number Exposed]23.9 % [17736]
Number of Days Fish Exposed15
Middle 80% of Run Period (Apr 30 - Jun 10)
Number of Fish Observed61171
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [61171]
Temperature Tailrace Exposure Index13.82 C
Percent of Fish Exposed [Number Exposed]16.9 % [10351]
Number of Days Fish Exposed10
Middle 50% of Run Period (May 4 - May 30)
Number of Fish Observed38472
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [38472]
Temperature Tailrace Exposure Index13.66 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 27
10% of Run passedApr 30
50% of Run passedMay 14
90% of Run passedJun 10
95% of Run passedJun 13
Last Day of RunJun 15
Date(s) When Temperature Tailrace Crosses 15 C
Jun 1