PROVISIONAL DATA SUBJECT TO REVISION
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LOCATION.--Lat 40°51'19.4", long
73°55'14.9" referenced to North American Datum of
1983, New York County, NY, Hydrologic Unit 02030101, at Roberto
Clemente State Park in Bronx.
PERIOD OF RECORD.--January 2021 to September 2021.
GAGE.--Water-stage recorder. Datum of gage is NAVD of 1988. Pressure sensor provides 6-minute-interval data. If a water elevation event occurs exceeding 0.05 ft, then 1-second-interval data is collected 30 seconds prior to event and 60 seconds after event occurs.
EXTREMES FOR PERIOD OF RECORD.--Maximum elevation, 1.55 ft, Feb. 2, 2021; minimum elevation, -2.41 ft, Mar. 2, 2021.
PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: January 2021 to September 2021.
SPECIFIC CONDUCTANCE: January 2021 to September 2021.
SALINITY: January 2021 to September 2021.
TURBIDITY: January 2021 to September 2021.
INSTRUMENTATION1.--Water-quality monitor provides 15-minute-interval readings collected from 6.5 ft above riverbed. If an elevation event was triggered then 1-minute-interval turbidity readings are collected for 15 minutes after event has occurred. Salinity record computed from specific-conductance readings.
EXTREMES FOR PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: Maximum, 26.4 °C, July 20, Aug. 26, 27, 2021; minimum, 0.6 °C, Feb. 12, 21, 2021.
SPECIFIC CONDUCTANCE: Maximum, 41,100 uS/cm at 25 °C, Feb. 2, 2021; minimum, 5,010 uS/cm at 25 °C, July 20, 2021.
SALINITY: Maximum, 26.3 psu, Feb. 2, 2021; minimum, 2.7 psu, July 20, 2021.
TURBIDITY: Maximum, >1000 FNU, Aug. 27, 2021; minimum, 1.1 FNU, Sept. 29, 2021. [>, actual value is known to be greater than the value shown]
1 Water-Quality Records
PERIOD OF RECORD.--January 2021 to September 2021.
GAGE.--Water-stage recorder. Datum of gage is NAVD of 1988. Pressure sensor provides 6-minute-interval data. If a water elevation event occurs exceeding 0.05 ft, then 1-second-interval data is collected 30 seconds prior to event and 60 seconds after event occurs.
EXTREMES FOR PERIOD OF RECORD.--Maximum elevation, 1.55 ft, Feb. 2, 2021; minimum elevation, -2.41 ft, Mar. 2, 2021.
PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: January 2021 to September 2021.
SPECIFIC CONDUCTANCE: January 2021 to September 2021.
SALINITY: January 2021 to September 2021.
TURBIDITY: January 2021 to September 2021.
INSTRUMENTATION1.--Water-quality monitor provides 15-minute-interval readings collected from 6.5 ft above riverbed. If an elevation event was triggered then 1-minute-interval turbidity readings are collected for 15 minutes after event has occurred. Salinity record computed from specific-conductance readings.
EXTREMES FOR PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: Maximum, 26.4 °C, July 20, Aug. 26, 27, 2021; minimum, 0.6 °C, Feb. 12, 21, 2021.
SPECIFIC CONDUCTANCE: Maximum, 41,100 uS/cm at 25 °C, Feb. 2, 2021; minimum, 5,010 uS/cm at 25 °C, July 20, 2021.
SALINITY: Maximum, 26.3 psu, Feb. 2, 2021; minimum, 2.7 psu, July 20, 2021.
TURBIDITY: Maximum, >1000 FNU, Aug. 27, 2021; minimum, 1.1 FNU, Sept. 29, 2021. [>, actual value is known to be greater than the value shown]
1 Water-Quality Records
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