Catalog Item
Arrowrock Reservoir (ARK) Daily Average Lake/Reservoir Inflow (computed) Time Series Data
Arrowrock Reservoir (ARK) average daily computed reservoir inflow in cubic feet per second (cfs).
Catalog Record Title
Arrowrock Reservoir (ARK) Water Operations Monitoring Data from Columbia-Pacific Northwest Water Operations Monitoring
Generation Effort
Columbia-Pacific Northwest Water Operations Monitoring
Location Name
Arrowrock Reservoir and Dam (ARK)
Type
Time series
Modeled/Observed
Observed
Start Date
Tue Oct 02 1917 11:00:00 GMT-0700 (Mountain Daylight Time)
End Date
Mon Apr 27 2026 00:00:00 GMT-0600 (Mountain Daylight Time)
Parameter Name
Lake/Reservoir Inflow (computed)
Parameter Group
Lake/Reservoir Inflow
Parameter Transformation
average
Time Step
daily
Parameter Unit
cfs
Item Vertical Datum
Update Frequency
daily
Last Update
Tuesday, April 28th, 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.
