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    Definitions of the quality flags

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    The following flags are used on the website to describe the quality of the flow data. 

    Good – the data has been manually inspected and there are no obvious or known data issues.

    Estimated – a manual change has been made to the data with confidence.

    Suspect – a change cannot be made but the data is felt to be inaccurate.

    Unchecked – raw input data that has not been inspected manually.

    Missing – data has been deleted or never arrived in the archive.

    Percent valid – the percentage of 15 min (instantaneous) flow data available to calculate the daily mean.

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