Columbia Basin Performance Measures

Adult Passage Exposure Results

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Adult Chinook Query Parameters
Year2018
ProjectLittle Goose
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates3/15 - 6/15
Total Run Period (Apr 4 - Jun 15)
Total Number of Fish Observed31834
Percent of Total Run Analyzed [Number Observed]100 % [31834]
Temperature Exposure Index13.51 C
Percent of Fish Exposed [Number Exposed]12.8 % [4104]
Number of Days Fish Exposed9
Middle 80% of Run Period (May 15 - Jun 8)
Number of Fish Observed26720
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [26720]
Temperature Exposure Index13.43 C
Percent of Fish Exposed [Number Exposed]4.7 % [1257]
Number of Days Fish Exposed2
Middle 50% of Run Period (May 22 - Jun 4)
Number of Fish Observed17210
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [17210]
Temperature Exposure Index13.71 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 4
5% of Run passedMay 14
10% of Run passedMay 15
50% of Run passedMay 31
90% of Run passedJun 8
95% of Run passedJun 12
Last Day of RunJun 15
Date(s) When Temperature Crosses 15 C
Jun 7