Catalog Item
Hyatt Reservoir and Dam (HYA) Daily Calculated Calculated Unregulated Flow Time Series Data
Hyatt Reservoir and Dam (HYA) 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.
Catalog Record Title
Hyatt Reservoir and Dam (HYA) Water Operations Monitoring Data from Columbia-Pacific Northwest Water Operations Monitoring
Generation Effort
Columbia-Pacific Northwest Water Operations Monitoring
Location Name
Hyatt Reservoir and Dam (HYA)
Type
Time series
Modeled/Observed
Observed
Start Date
Fri Apr 27 2001 13:00:00 GMT-0600 (Mountain Daylight Time)
End Date
Fri May 22 2026 01:00:00 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
Saturday, May 23rd, 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.

