Pacific Northwest Fish Counts

Daily adult passage counts at dams, ladders, and counting stations. Overlay multiple years and the 10-year average to compare run timing. The most recent days are preliminary and get revised as video counts are finalized.

Years & average — click to toggle on the graph
Loading…

Spawning Surveys — Natural-Origin Spawner Abundance

A different lens than dam passage: estimated natural-origin spawners that actually reached each population's spawning grounds, by year. Annual estimates from StreamNet's Coordinated Assessments (state, tribal & federal monitoring).