Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for Jul 23, 2021

graph

Forecasted Steelhead Snake R Wild Query Parameters
Year2021
ProjectBonneville
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Forecast DateJul 23, 2021
Total Run Period (Mar 22 - Jul 22)
Temperature Exposure Index15.14 C
Percent of Fish Exposed55.1 %
Number of Days Fish Exposed37
Middle 80% of Run Period (May 17 - Jun 14)
Temperature Exposure Index15.16 C
Percent of Fish Exposed56.1 %
Number of Days Fish Exposed15
Middle 50% of Run Period (May 25 - Jun 9)
Temperature Exposure Index15.36 C
Percent of Fish Exposed62.3 %
Number of Days Fish Exposed10
Run Dates
First Day of RunMar 22
5% of Run passedMay 13
10% of Run passedMay 17
50% of Run passedJun 1
90% of Run passedJun 14
95% of Run passedJun 17
Last Day of RunJul 22
Date(s) When Temperature Crosses 15 C
May 31

1. Total Run Analyzed [99.9560000000001] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.