Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for May 1, 2024

graph

Forecasted Yearling Chinook Snake R All Spr/Sum Wild 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 27 - Nov 23)
Temperature Exposure Index13.89 C
Percent of Fish Exposed16.7 %
Number of Days Fish Exposed45
Middle 80% of Run Period (May 7 - Jun 3)
Temperature Exposure Index13.78 C
Percent of Fish Exposed9.1 %
Number of Days Fish Exposed5
Middle 50% of Run Period (May 12 - May 26)
Temperature Exposure Index13.68 C
Percent of Fish Exposed0 %
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 27
5% of Run passedMay 4
10% of Run passedMay 7
50% of Run passedMay 18
90% of Run passedJun 3
95% of Run passedJun 9
Last Day of RunNov 23
Date(s) When Temperature Crosses 15 C
May 30, Oct 26

1. Total Run Analyzed [99.938] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.