PROVISIONAL DATA SUBJECT TO REVISION
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Site Information
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 2019-23: 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, gage height, 1.16 ft; 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, 24 uS/cm at 25 °C, Oct. 26, 2021, Feb. 18, 2022; minimum, 9 uS/cm at 25 °C, May 24, 2020, Jan. 9, 2024.
1 Water-Quality Records
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 2019-23: 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, gage height, 1.16 ft; 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, 24 uS/cm at 25 °C, Oct. 26, 2021, Feb. 18, 2022; minimum, 9 uS/cm at 25 °C, May 24, 2020, Jan. 9, 2024.
1 Water-Quality Records
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