Columbia Basin Performance Measures

Forecasted Adult Passage Exposure Results for May 1, 2024

graph

All Adult Chinook mouth to Snake River Query Parameters
Year2024
ProjectLower Granite
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 - Jul 1)
Temperature Exposure Index13.05 C
Percent of Fish Exposed18 %
Number of Days Fish Exposed16
Middle 80% of Run Period (May 7 - Jun 20)
Temperature Exposure Index12.93 C
Percent of Fish Exposed10.5 %
Number of Days Fish Exposed5
Middle 50% of Run Period (May 15 - Jun 12)
Temperature Exposure Index12.81 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 27
90% of Run passedJun 20
95% of Run passedJun 23
Last Day of RunJul 1
Date(s) When Temperature Crosses 15 C
Jun 16

1. Total Run Analyzed [99.95] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.