USGS Water-Year Summary for Site 02198820

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	Available Parameters
	00010 Temperature, water(Min.,Max.,Mean)
	00045 Precipitation(Sum)
	00065 Gage height(Tid.,Tid.)
	00095 Specific cond at 25C(Mean,Min.,Max.)
	00400 pH(Max.,Min.,Med.)
	00480 Salinity(Max.,Min.,Med.)

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

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USGS Water-Year Summary 2023

02198820 ABERCORN CREEK AT MOUTH NEAR SAVANNAH, GA

LOCATION - Lat 32°14'57", long 81°09'13" referenced to North American Datum of 1983, Effingham County, GA, Hydrologic Unit 03060109, at the mouth of Abercorn Creek, at the confluence with the Savannah River 1.1 miles upstream of the I-95 bridge, and 12 miles northeast of Savannah.

SURFACE-WATER RECORDS

PERIOD OF RECORD -
GAGE HEIGHT: June 2014 to current year.

GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is the North American Vertical Datum (NAVD) of 1988 (levels by U.S. Geological Survey).

COOPERATION - U.S. Army Corps of Engineers, Savannah District.

REMARKS - Gage-height records are generally good. Additional details on the accuracy of the records can be obtained by contacting the USGS South Atlantic Water Science Center at gs-w-ga_nwisweb_data_inquiries@usgs.gov.

Gage height affected significantly by astronomical tides.

CLIMATOLOGICAL RECORDS

PERIOD OF RECORD - November 2013 to current year.

INSTRUMENTATION - Tipping-bucket raingage.

WATER-QUALITY RECORDS

PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE: November 2013 to current year.
pH: November 2013 to current year.
WATER TEMPERATURE: November 2013 to current year.
SALINITY: November 2013 to current year.

COOPERATION - U.S. Army Corps of Engineers, Savannah District.

REMARKS -

For period 11/05/2013-11/01/2017: Specific Conductance and Water Temperature are rated "good". pH is rated good, except for the period 10/01/2015-09/30/2017, which is rated fair. Computed Salinity records are rated good for days in which values could be computed; there are many missing values due to input specific conductance values being less than the low end of the salinity rating.

EXTREMES FOR PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE: Maximum recorded, 6,240 microsiemens, September 11, 2017; minimum recorded, 38 microsiemens, June 13, 2019.

pH: Maximum recorded, 7.5 units, on August 19, 2016, September 23, 2022; minimum recorded, 5.8 units occurred on several days.

WATER TEMPERATURE: Maximum recorded, 31.0 C, July 30, 2016, August 16, 2016; minimum recorded, 3.7 C, January 5, 2018.

SALINITY: Maximum recorded, 3.40 parts-per-thousand, September 11, 2017; minimum recorded, <0.04 parts-per-thousand, on many days during the period of record.