MD-DE-DC Water Science Center
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Slide 7 of 26
In addition to current stations, USGS data bases contain mean daily-discharge data for over 18,500 locations. Because data have always been collected to nationally consistent standards all data in USGS data bases can be used and analyzed with confidence to meet both current and long-term needs.
Because it is so important for data to be collected and processed using prescribed standards, it is worth describing how data are collected at USGS gaging stations.