USGS Water-Year Summary for Site 252019080544800

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	Available Parameters
	00010 Temperature, water(Max.,Min.)
	00010 Temperature, water(Max.,Min.)
	00045 Precipitation(Sum)
	00065 Gage height(Max.,Min.)
	00095 Specific cond at 25C(Max.,Min.)
	00480 Salinity(Max.,Min.)
	00480 Salinity(Max.,Min.)
	72137 Discharge,tide fltrd(Mean)

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Water year 2024: 2024-10-01 to 2025-09-30

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USGS Water-Year Summary 2024

252019080544800 UPSTREAM NORTH RIVER NEAR FLAMINGO, FL

LOCATION - Lat 25°21'30", long 80°54'01" referenced to North American Datum of 1983, in T.56 S., R.32 E., Monroe County, FL, Hydrologic Unit 03090202, in Everglades National Park.

DRAINAGE AREA - Indeterminate.

SURFACE-WATER RECORDS

PERIOD OF RECORD - October 2003 to September 2011. Discontinued.

GAGE - Satellite data collection platform with acoustic Doppler velocity meter and a YSI 600 XL with pressure sensor. Datum of gage is North American Vertical Datum of 1988 (NAVD 88).

REMARKS - Records fair. During periods of missing record, values may be higher or lower than the listed extremes. Streamflow at this site is significantly affected by astronomical tides. Daily mean discharge was computed from filtered unit value discharge data. The Godin low-pass filter was used to remove principal tidal frequencies from unit values. Positive discharge (ebb tide) is generally to the southwest direction, and negative discharge (flood tide) to the northeast. Discharge and gage height, records are available in files of the U.S. Geological Survey. Discharge and gage height 15 minute data can also be accessed online at http://sofia.usgs.gov/. Daily values are available online at http://waterdata.usgs.gov/nwis.

EXTREMES FOR PERIOD OF RECORD - DISCHARGE: Maximum positive discharge (unfiltered), 103 ft³/s Sept. 21, 2005; maximum negative (unfiltered), 94 ft³/s Sept. 5, 2004. GAGE HEIGHT: Maximum gage height, 1.01 ft Sept. 6, 2004; minimum, -2.26 ft Jan. 4, 2008.

CLIMATOLOGICAL RECORDS

PERIOD OF RECORD - October 2003 to September 2011. Discontinued.

INSTRUMENTATION - Unshielded standard 8 in. diameter tipping bucket precipitation gage with 0.01 in. resolution.

EXTREMES FOR PERIOD OF RECORD - Maximum daily precipitation, 6.68 in. Aug. 26, 2005.

EXTREMES FOR CURRENT YEAR - Maximum daily precipitation, 2.89 in., Aug. 19.

REMARKS - Records excellent. During periods of missing record, values may be higher or lower than the listed extremes. Precipitation records are available in files of the U.S. Geological Survey. Daily values are available online at http://waterdata.usgs.gov/nwis.

WATER-QUALITY RECORDS

PERIOD OF RECORD - SALINITY (TOP): October 2003 to September 2007. Discontinued. SALINITY (BOTTOM): October 2003 to September 2011. Discontinued. SPECIFIC CONDUCTANCE (BOTTOM): October 2009 to September 2011. Discontinued. WATER TEMPERATURE (TOP): October 2003 to September 2007. Discontinued. WATER TEMPERATURE (BOTTOM): October 2003 to September 2011. Discontinued.

INSTRUMENTATION - Water-quality monitor with top and bottom sensors.

REMARKS - Salinity and specific conductance (BOTTOM) rated excellent. Water temperature (BOTTOM) rated excellent. Prior to September 1, 2010 salinity was computed directly from specific conductance using a conversion within the continuous water quality monitor. From September 1, 2010 to current year, salinity is computed from corrected specific conductance data using a rating in the NWIS database. During periods of missing record, values may be higher or lower than the listed extremes. Salinity and water temperature sensors located at -3.44 ft NAVD 88 (BOTTOM). Water temperature and salinity records are available in files of the U.S. Geological Survey. Water temperature and salinity 15 minute data can also be accessed online at http://sofia.usgs.gov/. Daily values of salinity and water temperature are available online at http://waterdata.usgs.gov/nwis. Discrete water quality data are available online at http://nwis.waterdata.usgs.gov/fl/nwis/qw.

EXTREMES FOR PERIOD OF RECORD - SALINITY (TOP): Maximum recorded, 28.4 ppt May 12, 13, 2006; minimum recorded, 0.1 ppt Sept. 21, 2005. SALINITY (BOTTOM): Maximum recorded, 35.2 ppt June 15, 16, 2011; minimum recorded, 0.1 ppt Oct. 1, 2, 2003, Sept. 21, 2005. SPECIFIC CONDUCTANCE (BOTTOM): Maximum recorded, 53,200 uS/cm @ 25°C June 15, 16, 2011; minimum recorded, 450 uS/cm @ 25°C Oct 1, 2, 2009. WATER TEMPERATURE (TOP): Maximum recorded, 36.9°C June 23, 24, 2004; minimum recorded, 8.7 °C Feb. 14, 2006. WATER TEMPERATURE (BOTTOM): Maximum recorded, 37.0°C June 23, 2004; minimum recorded, 3.2 °C Jan. 11, 2010.

EXTREMES FOR CURRENT YEAR - SALINITY (BOTTOM): Maximum recorded, 35.2 ppt June 15, 16; minimum recorded, 0.2 ppt multiple days during the months of October and November. SPECIFIC CONDUCTANCE (BOTTOM): Maximum recorded, 53,200 uS/cm @ 25°C June 15, 16; minimum recorded, 511 uS/cm @ 25°C Nov. 5. WATER TEMPERATURE (BOTTOM): Maximum recorded, 35.4°C July 24; minimum recorded, 7.2°C Dec. 15.