LOCATION.--Lat 40°54'12.8", long
73°32'36.1" referenced to North American Datum of
1983, Nassau County, NY, Hydrologic Unit 02030201, located in
West Harbor Memorial Park.
PERIOD OF RECORD1.--July 2023 to current
year.
PERIOD OF DAILY RECORD1.--WATER TEMPERATURE:
July 2023 to current year.
SPECIFIC CONDUCTANCE: July 2023 to current year.
SALINITY: July 2023 to current year.
pH: July 2023 to current year.
DISSOLVED OXYGEN: July 2023 to current year.
TURBIDITY: July 2023 to current year.
CHLOROPHYLL: July 2023 to current year.
PHYCOERYTHRIN: July 2023 to current year.
INSTRUMENTATION1.--A continuous water-quality
monitor with water temperature, specific conductance, pH,
dissolved oxygen, chlorophyll fluorescence, and phycocyanin
fluorescence provides 6-minute-interval readings. Salinity
record computed from specific-conductance readings.
EXTREMES FOR PERIOD OF DAILY RECORD1.--WATER
TEMPERATURE: Maximum, 29.6°C, July 17, 2023; minimum, 4.9°C
Dec. 15, 2023.
SALINITY: Maximum, 26.0, Aug. 9, 10, 11, 2023; minimum, 19.8
psu, Sept. 30, 2023.
pH: Maximum, 8.3, on several days in Nov. 2023; minimum, 7.1,
Aug. 5, 2023.
DISSOLVED OXYGEN: Maximum, 12.7 mg/L, Oct. 25, Nov. 16, 2023;
minimum, 2.6 mg/L Aug. 24, 2023.
TURBIDITY: Maximum, 69.1 FNU, Aug. 13, 2023; minimum, 1.1 FNU,
Oct. 10, 2023.
1 Water-Quality Records
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