Columbia Basin Performance Measures

Forecasted Adult Passage Exposure Results for May 1, 2024

graph

All Adult Chinook mouth to Snake River Query Parameters
Year2024
ProjectIce Harbor
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 22 - Jun 25)
Temperature Exposure Index13.8 C
Percent of Fish Exposed23.5 %
Number of Days Fish Exposed18
Middle 80% of Run Period (May 2 - Jun 15)
Temperature Exposure Index13.69 C
Percent of Fish Exposed16.9 %
Number of Days Fish Exposed8
Middle 50% of Run Period (May 10 - Jun 7)
Temperature Exposure Index13.56 C
Percent of Fish Exposed0 %
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 22
5% of Run passedApr 29
10% of Run passedMay 2
50% of Run passedMay 22
90% of Run passedJun 15
95% of Run passedJun 19
Last Day of RunJun 25
Date(s) When Temperature Crosses 15 C
Jun 8

1. Total Run Analyzed [99.949] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.