Provisional Data Disclaimer
Data from real-time streamflow gages are relayed to USGS Water Resources District offices through the Geostationary Operational Environmental Satellite (GOES) data-collection system or by telephone or other telemetry. Data are transmitted from each station at intervals of 4 hours and are loaded onto the District computer systems.
Real-time streamflow data available on USGS pages are PROVISIONAL data that have not been reviewed or edited. These data may be subject to significant change and are not citable until reviewed and approved by the U.S. Geological Survey. Real-time streamflow data may be changed after review because the stage-discharge relationship may have been affected by:
- backwater from ice or debris such as log jams
- algal and aquatic growth in the stream
- sediment movement
- malfunction of recording equipment
Data are reviewed periodically to ensure accuracy. Each station record is considered PROVISIONAL until the data are published. The data are usually published within 6 months of the end of the water year.
Data users are cautioned to consider carefully the provisional nature of the information before using it for decisions that concern personal or public safety or the conduct of business that involves substantial monetary or operational consequences.