Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for May 17, 2024

graph

Forecasted Steelhead Snake R Wild Query Parameters
Year2024
ProjectIce Harbor
River ParameterTDG Percent
Critical TDG Percent Value120 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Forecast DateMay 17, 2024
Total Run Period (Mar 21 - Aug 12)
TDG Percent Exposure Index120.29 %
Percent of Fish Exposed53.4 %
Number of Days Fish Exposed43
Middle 80% of Run Period (Apr 28 - May 24)
TDG Percent Exposure Index120.22 %
Percent of Fish Exposed50.3 %
Number of Days Fish Exposed11
Middle 50% of Run Period (May 6 - May 17)
TDG Percent Exposure Index120.49 %
Percent of Fish Exposed60.4 %
Number of Days Fish Exposed7
Run Dates
First Day of RunMar 21
5% of Run passedApr 24
10% of Run passedApr 28
50% of Run passedMay 12
90% of Run passedMay 24
95% of Run passedMay 29
Last Day of RunAug 12
Date(s) When TDG Percent Crosses 120 %
Apr 16, Apr 26, May 8, May 11, May 14, May 22, May 28, Jun 19

1. Total Run Analyzed [99.943] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.