Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Chinook Query Parameters
Year2018
ProjectThe Dalles
River ParameterTemperature
Critical Temperature 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 Observed72079
Percent of Total Run Analyzed [Number Observed]100 % [72079]
Temperature Exposure Index13.92 C
Percent of Fish Exposed [Number Exposed]25.8 % [18662]
Number of Days Fish Exposed16
Middle 80% of Run Period (May 7 - Jun 10)
Number of Fish Observed58877
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [58877]
Temperature Exposure Index13.95 C
Percent of Fish Exposed [Number Exposed]21 % [12378]
Number of Days Fish Exposed11
Middle 50% of Run Period (May 10 - May 31)
Number of Fish Observed38093
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [38093]
Temperature Exposure Index13.85 C
Percent of Fish Exposed [Number Exposed]2.4 % [951]
Number of Days Fish Exposed1
Run Dates
First Day of RunApr 1
5% of Run passedMay 4
10% of Run passedMay 7
50% of Run passedMay 22
90% of Run passedJun 10
95% of Run passedJun 12
Last Day of RunJun 15
Date(s) When Temperature Crosses 15 C
May 30, May 31, Jun 1