Catalog Item
Middle Fork Boise River at Arrowrock Dam (ARKI) Daily Calculated Calculated Unregulated Flow Time Series Data
Middle Fork Boise River at Arrowrock Dam (ARKI) 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
Middle Fork Boise River at Arrowrock Dam (ARKI) Water Operations Monitoring Data from Columbia-Pacific Northwest Water Operations Monitoring
Generation Effort
Columbia-Pacific Northwest Water Operations Monitoring
Location Name
Middle Fork Boise River at Arrowrock Dam (ARKI)
Type
Time series
Modeled/Observed
Observed
Start Date
Mon Oct 01 1917 11:00:00 GMT-0700 (Mountain Daylight Time)
End Date
Sat Aug 22 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, August 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.
