Columbia Basin Performance Measures

Forecasted Adult Passage Exposure Results for May 1, 2024

graph

All Adult Chinook mouth to Snake River Query Parameters
Year2024
ProjectBonneville
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Forecast DateMay 1, 2024
Total Run Period (Mar 16 - Jun 13)
Temperature Exposure Index13.05 C
Percent of Fish Exposed16.9 %
Number of Days Fish Exposed15
Middle 80% of Run Period (Apr 22 - Jun 7)
Temperature Exposure Index13 C
Percent of Fish Exposed11 %
Number of Days Fish Exposed9
Middle 50% of Run Period (Apr 28 - May 22)
Temperature Exposure Index12.86 C
Percent of Fish Exposed0 %
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 16
5% of Run passedApr 20
10% of Run passedApr 22
50% of Run passedMay 6
90% of Run passedJun 7
95% of Run passedJun 11
Last Day of RunJun 13
Date(s) When Temperature Crosses 15 C
May 30

1. Total Run Analyzed [98.65] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.