Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for May 17, 2024

graph

Forecasted Steelhead Snake R 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 17, 2024
Total Run Period (Mar 21 - Aug 20)
Temperature Exposure Index13.99 C
Percent of Fish Exposed11.3 %
Number of Days Fish Exposed40
Middle 80% of Run Period (May 10 - Jun 1)
Temperature Exposure Index14.04 C
Percent of Fish Exposed1.7 %
Number of Days Fish Exposed1
Middle 50% of Run Period (May 16 - May 26)
Temperature Exposure Index14.1 C
Percent of Fish Exposed0 %
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 21
5% of Run passedMay 5
10% of Run passedMay 10
50% of Run passedMay 21
90% of Run passedJun 1
95% of Run passedJun 6
Last Day of RunAug 20
Date(s) When Temperature Crosses 15 C
Jun 1

1. Total Run Analyzed [99.954] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.