USGS Water-Year Summary for Site 02298202

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00045 Precipitation(Sum)
	00060 Discharge(Mean)
	00065 Gage height(Mean)
	00095 Specific cond at 25C(Max.,Min.,Mean)

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

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USGS Water-Year Summary 2023

02298202 SHELL CREEK NEAR PUNTA GORDA, FL.

LOCATION - Lat 26°59'04", long 81°56'09" referenced to North American Datum of 1927, in NW 1/4 sec.20, T.40 S., R.24 E., Charlotte County, FL, Hydrologic Unit 03100101, near left bank 60 ft upstream from dam, 1.0 mi upstream from Myrtle Slough, 6.0 mi upstream from mouth, and 7.7 mi northeast of Punta Gorda.

DRAINAGE AREA - 373 mi².

REVISIONS HISTORY - WDR FL-96-3A: Water year 1995 adjusted CFSM 28.68 and IN 2.11 are in error. Corrected numbers are CFSM 2.11 and IN 28.68, WDR FL-97-3A: Water year 1996 October adjusted mean 17.11 and water year maximum 1707 are in error. Corrected numbers are October adjusted mean 1711 and water year maximum 3720, WDR FL-99-3A: Water year 1998 adjusted mean 1.28 ft³/s, is in error. Corrected number is 128 ft³/s. WDR-US-2008: Adjusted calendar year 2006 mean 125 ft³/s, CFSM 0.33 and IN 4.55 which were published in WDR-US-2007 are in error. Corrected numbers are mean 288 ft³/s, CFSM 0.77, and IN 10.50.

SURFACE-WATER RECORDS

PERIOD OF RECORD - January 1965 to September 1987; October 1987 to September 1994 (gage heights only), October 1994 to current year.

GAGE - Water-stage recorder. Datum of gage is National Geodetic Vertical Datum of 1929.

COOPERATION - This gage is monitored in cooperation with Southwest Florida Water Management District.

REMARKS - Flow regulated by City of Punta Gorda. Diversion by City of Punta Gorda for water supply.

CLIMATOLOGICAL RECORDS

PERIOD OF RECORD - May 1995 October 2015 (discontinued).

REMARKS - Collection, computation and publication of precipitation data do not necessarily conform to standards used by the National Weather Service. Records of precipitation prior to October 1, 2002 not published but are available in files of the Geological Survey.

WATER-QUALITY RECORDS

PERIOD OF RECORD - October 2005 to current year.

INSTRUMENTATION - Water-quality monitor consisting of specific conductance and temperature sensors located at an approximate elevation of 2.76 ft National Geodetic Vertical Datum of 1929.

EXTREMES FOR PERIOD OF RECORD -

SPECIFIC CONDUCTANCE:Maximum, 1,360 microsiemens, May 26, 2009, July 1, 2011; minimum, 82.0 microsiemens, Sept. 11, 2017.

TEMPERATURE:Maximum, 38.3°C, July 14, 2010; minimum, 8.4°C. Jan. 11, 2010.