Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for May 1, 2024

graph

Forecasted Steelhead Snake R 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 21 - Aug 18)
Temperature Exposure Index13.58 C
Percent of Fish Exposed12.8 %
Number of Days Fish Exposed39
Middle 80% of Run Period (May 6 - Jun 1)
Temperature Exposure Index13.51 C
Percent of Fish Exposed3.9 %
Number of Days Fish Exposed2
Middle 50% of Run Period (May 12 - May 25)
Temperature Exposure Index13.45 C
Percent of Fish Exposed0 %
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 21
5% of Run passedMay 2
10% of Run passedMay 6
50% of Run passedMay 18
90% of Run passedJun 1
95% of Run passedJun 5
Last Day of RunAug 18
Date(s) When Temperature Crosses 15 C
May 31

1. Total Run Analyzed [99.956] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.