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 Monumental
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 24 - Jun 27)
Temperature Exposure Index13.68 C
Percent of Fish Exposed21 %
Number of Days Fish Exposed17
Middle 80% of Run Period (May 4 - Jun 17)
Temperature Exposure Index13.56 C
Percent of Fish Exposed14.7 %
Number of Days Fish Exposed7
Middle 50% of Run Period (May 12 - Jun 8)
Temperature Exposure Index13.31 C
Percent of Fish Exposed0 %
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 24
5% of Run passedMay 1
10% of Run passedMay 4
50% of Run passedMay 23
90% of Run passedJun 17
95% of Run passedJun 20
Last Day of RunJun 27
Date(s) When Temperature Crosses 15 C
Jun 11

1. Total Run Analyzed [99.952] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.