Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for Jul 23, 2021

graph

Forecasted Steelhead Snake R Wild Query Parameters
Year2021
ProjectThe Dalles
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Forecast DateJul 23, 2021
Total Run Period (Mar 22 - Jul 22)
Temperature Exposure Index15.03 C
Percent of Fish Exposed49.9 %
Number of Days Fish Exposed36
Middle 80% of Run Period (May 16 - Jun 13)
Temperature Exposure Index15.07 C
Percent of Fish Exposed50.7 %
Number of Days Fish Exposed14
Middle 50% of Run Period (May 23 - Jun 7)
Temperature Exposure Index15.14 C
Percent of Fish Exposed49.3 %
Number of Days Fish Exposed8
Run Dates
First Day of RunMar 22
5% of Run passedMay 11
10% of Run passedMay 16
50% of Run passedMay 30
90% of Run passedJun 13
95% of Run passedJun 16
Last Day of RunJul 22
Date(s) When Temperature Crosses 15 C
May 31

1. Total Run Analyzed [99.961] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.