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Water-Year Summary for Site USGS 295124089542100
Water-stage recorder and acoustic velocity meter.
Datum of gage is 0.46 feet below NAVD 88 GEOID12b EPOCH 2010.0000.
Negative discharge indicates flow into marsh storage, not into the Mississippi River.
Satellite telemetry at station.
Positive and negative flows at this site are defined by direction and are specified to be parallel to the channel at the gage location. The Positive flow direction is south-southeast.
Streamflow at this site is affected significantly by astronomical tides. Astronomical tides cause significant cycles of approximately 24.84 hours at this site. Because a different portion of the 24.84 hour tidal cycle is averaged in successive daily (24-hour) computations, a systematic secondary oscillation, unrelated to basin hydrology and having a period of about two weeks may be apparent in daily data published from January 2001 to September 2015.
Extremes for period of record may have been exceeded during period of missing record during Hurricane Katrina, 2005; Hurricane Gustav, 2009; Hurricane Isaac, 2012; Hurricane Ida, 2021 and/or rating model exceedance.