Select Historical Data
Select a project, parameter, and Water Year. The selected historical daily-data file will open in a new browser tab.
Notes and Units
Water Years: Data is presented in Water Years (WY). A Water Year extends from October 1 through September 30. For example, Water Year 2007 started on October 1, 2006, and ended September 30, 2007.
Units: Elevation, Headwater, and Tailwater are in feet, NGVD. Inflow and Discharge are in cubic feet per second (cfs). Generation is in megawatt-hours (mwh). Rainfall is in inches.