Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for May 17, 2024

graph

Forecasted Yearling Chinook Snake R All Spr/Sum Wild Query Parameters
Year2024
ProjectJohn Day
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 27 - Dec 18)
Temperature Exposure Index13.29 C
Percent of Fish Exposed10.4 %
Number of Days Fish Exposed58
Middle 80% of Run Period (May 3 - Jun 1)
Temperature Exposure Index13.17 C
Percent of Fish Exposed0.8 %
Number of Days Fish Exposed1
Middle 50% of Run Period (May 8 - May 22)
Temperature Exposure Index13.21 C
Percent of Fish Exposed0 %
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 27
5% of Run passedApr 30
10% of Run passedMay 3
50% of Run passedMay 15
90% of Run passedJun 1
95% of Run passedJun 9
Last Day of RunDec 18
Date(s) When Temperature Crosses 15 C
Jun 1, Oct 24

1. Total Run Analyzed [99.924] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.