USGS Water-Year Summary for Site USGS 301527088521500

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	Available Parameters
	00010 Temperature, water(Mean)
	00065 Gage height(Mean,Tid.,Tid.)
	00095 Specific cond at 25C(Max.,Min.,Mean)
	00300 Dissolved oxygen(Max.,Min.,Mean)
	00480 Salinity(Mean)
	63680 Turbidity, Form Neph(Mean,Max.,Min.)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

301527088521500 MISSISSIPPI SOUND AT USGS EAST SHIP ISLAND LIGHT

LOCATION - Lat 30°15'16", long 88°52'08" referenced to North American Datum of 1983, Harrison County, MS, Hydrologic Unit 03170009, on the USGS East Ship Island platform, 12 miles southeast of Gulfport.

SURFACE-WATER RECORDS

PERIOD OF RECORD - August 2008 to current year.

REMARKS - 10/01/2013-09/30/2014: Gage-height records fair. Interruptions in the record were due to malfunction of the instrument. EXTREMES FOR PERIOD OF DAILY RECORD.-- GAGE HEIGHT: Maximum recorded, 7.45 ft, Aug. 29, 2012, but may have been higher during periods of instrument malfunction; minimum recorded, -2.55 ft, Feb. 7, 2011, but may have been lower during period of instrument malfunction.

EXTREMES FOR PERIOD OF RECORD -

Maximum instantaneous gage height = 8.94 feet on Oct. 7, 2017.

Minimum instantaneous gage height = -2.55 feet on Feb. 7, 2011.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Water years 2008 to current year. PERIOD OF DAILY RECORD.--
TURBIDITY: November 2009 to current year. DISSOLVED OXYGEN: November 2009 to current year. SPECIFIC CONDUCTANCE: August 2008 to current year. WATER TEMPERATURE: August 2008 to current year.

INSTRUMENTATION - Water-quality monitor since August 2008.

REMARKS - Turbidity records poor. Dissolved Oxygen records good. Specific Conductance records good. Water temperature records excellent. Interruptions in the record were due to malfunctions of the instrument.

EXTREMES FOR PERIOD OF DAILY RECORD - TURBIDITY: Maximum recorded, 200 FNU, Aug. 29, 2012, but may have been higher during periods of missing data; minimum recorded, <1.0 FNU, on many days in October 2012, but may have been lower during periods of missing data. DISSOLVED OXYGEN: Maximum recorded, 13.5 mg/l, July 23, 2011, but may have been higher during periods of missing data; minimum recorded, <0.5 mg/l, on many days during 2011 and several days 2013, but may have been lower during periods of missing data. SPECIFIC CONDUCTANCE: Maximum recorded, 54,500 microsiemens, Mar. 7, 2011, but may have been higher during periods of missing data; minimum recorded, 9,560 microsiemens, June 4, 2011, but may have been lower during periods of missing data. WATER TEMPERATURE: Maximum recorded, 32.5 °C, Aug. 6, 2010, but may have been higher during periods of missing data; minimum recorded, 6.0 °C, Jan. 11, 2010, but may have been lower during periods of missing data.