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.
EXTREMES FOR PERIOD OF RECORD.--Maximum elevation, 7.30
ft, Jan. 13, 2024; minimum elevation, about -5.94 ft, Mar. 11,
2024.
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, -0.3°C,
Jan. 22, 2024.
SALINITY: Maximum, 26.0 psu, Aug. 9, 10, 11, 2023; minimum,
19.8 psu, Sept. 30, 2023.
pH: Maximum, 8.4 on several days in Feb. 2024; minimum, 7.1,
Aug. 5, 2023.
DISSOLVED OXYGEN: Maximum, 14.9 mg/L, Feb. 5, 2024; minimum,
2.6 mg/L Aug. 24, 2023.
TURBIDITY: Maximum, 69.1 FNU, Aug. 13, 2023; minimum, 1.1 FNU,
Oct. 10, 2023, Mar. 19, 2024.
1 Water-Quality Records