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DART Smolt Index Columbia Basin "Quick Look"

Data Courtesy of Fish Passage Center

Smolt Index Queries

Smolt Index Yearling Chinook Lower Granite, Little Goose, McNary, and Bonneville Smolt Index Subyearling Chinook Lower Granite, Little Goose, McNary, and Bonneville Smolt Index Steelhead Lower Granite, Little Goose, McNary, and Bonneville Smolt Index Sockeye Lower Granite, Little Goose, McNary, and Bonneville Smolt Index Coho Lower Granite, Little Goose, McNary, and Bonneville

Last Update: December 31 2025 08:13:01.

Query Notes

Smolt Index Metadata, FPC (external link)
The DART Smolt Index Columbia Basin "Quick Look" Summary presents current Smolt Index with the ten year averages at Lower Granite, Little Goose, McNary, and Bonneville dams. Sampling at Lower Monumental, Rock Island, and John Day ended in 2021. Updated daily.