Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for Jul 23, 2021

graph

Forecasted Steelhead Snake R Wild Query Parameters
Year2021
ProjectMcNary
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 21)
Temperature Exposure Index13.72 C
Percent of Fish Exposed16.8 %
Number of Days Fish Exposed24
Middle 80% of Run Period (May 11 - Jun 9)
Temperature Exposure Index13.73 C
Percent of Fish Exposed11.7 %
Number of Days Fish Exposed3
Middle 50% of Run Period (May 18 - Jun 4)
Temperature Exposure Index13.7 C
Percent of Fish Exposed5.8 %
Number of Days Fish Exposed1
Run Dates
First Day of RunMar 22
5% of Run passedMay 7
10% of Run passedMay 11
50% of Run passedMay 26
90% of Run passedJun 9
95% of Run passedJun 12
Last Day of RunJul 21
Date(s) When Temperature Crosses 15 C
Jun 4, Jun 7, Jun 11

1. Total Run Analyzed [99.957] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.