Bonneville Power hydro output, by far the largest anywhere, has been falling recently, from a high level around 12,500 MW in late March to about 10,500 MW recently:
The stream flow forecast for the Columbia River is still above normal, at 105%:
Meanwhile California hydro power output is still lagging last year by a relatively small amount, less than 20 GWh daily:
Snowpack conditions in the Sierras are worsening slightly, at 29% of normal:
And snowpack in the Colorado River Basin has now dropped below normal, likely due to some warmth and melt. Normally the pack would continue to build for a few weeks more:
