Columbia Basin Performance Measures

Sample Exposure Summary Table for Multiple Critical Values


Adult PIT-Tagged Fall Chinook Query Parameters
Year2004
ProjectBonneville
River ParameterTemperature
Critical Temperature Value15-20 C
Calculate ExposureRange Critical Value
Total Run Period (May 2 - Oct 30)
Total Number of Fish Observed1711
Percent of Total Run Analyzed [Number Observed]100 % [1711]
Temperature Exposure Index19.71 C
Percent of Fish Exposed [Number Exposed]68.8 % [1178]
Number of Days Fish Exposed64
Middle 80% of Run Period (Aug 28 - Sep 27)
Number of Fish Observed1415
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [1415]
Temperature Exposure Index19.76 C
Percent of Fish Exposed [Number Exposed]71.3 % [1009]
Number of Days Fish Exposed22
Run Dates
First Day of RunMay 2
5% of Run passedAug 19
10% of Run passedAug 28
50% of Run passedSep 9
90% of Run passedSep 27
95% of Run passedOct 1
Last Day of RunOct 30
Date(s) When Temperature Crosses Range 15-20 C
Jun 3, Jul 12, Sep 5, Sep 11, Sep 12, Oct 26
sample graph