LOCATION.--Lat 42°00'40", long
        74°24'52" referenced to North American Datum of 1983,
        Ulster County, NY, Hydrologic Unit 02040104, on right bank 0.1
        mi southwest of Winnisook Lake, and 4.5 mi northeast of Frost
        Valley.
        DRAINAGE AREA.--0.83 mi².
        PERIOD OF RECORD.--January 1991 to March 2013, September
        2019 to current year.
        REVISIONS HISTORY.--WDR NY-94-1: 1992-93(P). WDR
        NY-01-1: 2000.
        GAGE.--Water-stage recorder and crest-stage gage. Datum
        of gage is 2,675.00 ft above NAVD of 1988.
        REMARKS.--Water Years 2019-24: Records fair except those
        below 1.0 ft³/s and those for estimated daily discharges, which
        are poor.
        EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 344
        ft³/s, Aug. 28, 2011, gage height, 4.76 ft, from rating curve
        extended above 65 ft³/s on basis of runoff comparisons with
        nearby stations; minimum discharge, 0.02 ft³/s, Feb. 26, 27,
        2021, Aug. 2, 5, 2024; minimum gage height, 0.93 ft, Aug. 6, 7,
        8, 1991.
        PERIOD OF DAILY RECORD1.--WATER TEMPERATURE:
        September 2019 to current year. SPECIFIC CONDUCTANCE: September
        2019 to current year.
        INSTRUMENTATION1.--A continuous water-quality
        monitor with water temperature and specific conductance
        provides 15-minute-interval readings.
        EXTREMES FOR PERIOD OF DAILY RECORD1.--WATER
        TEMPERATURE: Maximum, 16.4 °C, Aug. 8, 2022; minimum, -0.1 °C,
        on several days during winter periods.
        SPECIFIC CONDUCTANCE: Maximum, 25 uS/cm at 25 °C, Aug. 9, 2024;
        minimum, 9 uS/cm at 25 °C, May 24, 2020, Jan. 9,
        2024, Jan. 2, 2025.
        1 Water-Quality Records