Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for May 1, 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 1, 2024
Total Run Period (Mar 27 - Nov 21)
Temperature Exposure Index13.45 C
Percent of Fish Exposed12.6 %
Number of Days Fish Exposed70
Middle 80% of Run Period (May 3 - Jun 2)
Temperature Exposure Index13.31 C
Percent of Fish Exposed4 %
Number of Days Fish Exposed3
Middle 50% of Run Period (May 9 - May 24)
Temperature Exposure Index13.29 C
Percent of Fish Exposed0 %
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 27
5% of Run passedMay 1
10% of Run passedMay 3
50% of Run passedMay 16
90% of Run passedJun 2
95% of Run passedJun 9
Last Day of RunNov 21
Date(s) When Temperature Crosses 15 C
May 31, Oct 22

1. Total Run Analyzed [99.9150000000001] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.