Catalog Item

Grassy Lake and Grassy Lake Dam (GRS) Daily Calculated Calculated Unregulated Flow Time Series Data

Grassy Lake and Grassy Lake Dam (GRS) daily calculated unregulated flow in cubic feet per second (cfs). Calculated unregulated flow removes the influence of reservoirs and does not account for the influence of diversions.
Query Data
Generation Effort Columbia-Pacific Northwest Water Operations Monitoring
Type Time series
Modeled/Observed Observed
Start Date Mon Jul 10 1967 12:00:00 GMT-0600 (Mountain Daylight Time)
End Date Sat May 23 2026 00:00:00 GMT-0600 (Mountain Daylight Time)
Parameter Name Calculated Unregulated Flow
Parameter Group Channel Flow
Parameter Transformation calculation
Time Step daily
Parameter Unit cfs
Item Vertical Datum
Update Frequency daily
Last Update Sunday, May 24th, 2026

Disclaimer

Data are provisional and subject to revision unless otherwise noted. Data users are cautioned to consider carefully the provisional nature of the information before using it.