Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Chinook Query Parameters
Year2021
ProjectLower Granite
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 2 - Jun 15)
Total Number of Fish Observed29210
Percent of Total Run Analyzed [Number Observed]100 % [29210]
Temperature Tailrace Exposure Index12.04 C
Percent of Fish Exposed [Number Exposed]5.5 % [1628]
Number of Days Fish Exposed4
Middle 80% of Run Period (May 9 - Jun 6)
Number of Fish Observed23815
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [23815]
Temperature Tailrace Exposure Index11.87 C
Percent of Fish Exposed [Number Exposed]6 % [1443]
Number of Days Fish Exposed3
Middle 50% of Run Period (May 13 - May 27)
Number of Fish Observed15036
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [15036]
Temperature Tailrace Exposure Index11.56 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 2
5% of Run passedMay 6
10% of Run passedMay 9
50% of Run passedMay 19
90% of Run passedJun 6
95% of Run passedJun 12
Last Day of RunJun 15
Date(s) When Temperature Tailrace Crosses 15 C
Jun 4, Jun 8