PROVISIONAL DATA SUBJECT TO REVISION
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Site Information
LOCATION.--Lat 41°55'31", long
74°32'25" referenced to North American Datum of 1983,
Ulster County, NY, Hydrologic Unit 02040104, on left bank at
downstream side of bridge on Denning Road, 1.6 mi southwest of
Ladleton and 1.9 mi northeast of Claryville.
DRAINAGE AREA.--22.9 mi².
PERIOD OF RECORD.--July 1991 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 1,727.44 ft above NAVD of 1988.
REMARKS.--Water Years 2014-23: Records fair except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 7,650 ft³/s, Aug. 28, 2011, gage height, 13.61 ft, from rating curve extended above 2,700 ft³/s on basis of runoff comparisons with nearby stations; minimum discharge, 4.5 ft³/s, Aug. 12, 2002; minimum gage height, 3.92 ft, Mar. 6, 2012.
PERIOD OF DAILY RECORD1.--SPECIFIC CONDUCTANCE: January 2020 to September 2024. WATER TEMPERATURE: January 2020 to September 2024.
INSTRUMENTATION1.--A continuous water-quality monitor with water temperature and specific conductance provides 15-minute-interval readings.
EXTREMES FOR PERIOD OF DAILY RECORD1.--SPECIFIC CONDUCTANCE: Maximum, 83 uS/cm at 25 °C, Feb. 3, 2022; minimum, 7 uS/cm at 25 °C, Oct. 14, 2022. WATER TEMPERATURE: Maximum, 22.8 °C, Aug. 8, 2022; minimum, -0.1 °C on several days during the 2020 water year winter period.
1 Water-Quality Records
DRAINAGE AREA.--22.9 mi².
PERIOD OF RECORD.--July 1991 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 1,727.44 ft above NAVD of 1988.
REMARKS.--Water Years 2014-23: Records fair except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 7,650 ft³/s, Aug. 28, 2011, gage height, 13.61 ft, from rating curve extended above 2,700 ft³/s on basis of runoff comparisons with nearby stations; minimum discharge, 4.5 ft³/s, Aug. 12, 2002; minimum gage height, 3.92 ft, Mar. 6, 2012.
PERIOD OF DAILY RECORD1.--SPECIFIC CONDUCTANCE: January 2020 to September 2024. WATER TEMPERATURE: January 2020 to September 2024.
INSTRUMENTATION1.--A continuous water-quality monitor with water temperature and specific conductance provides 15-minute-interval readings.
EXTREMES FOR PERIOD OF DAILY RECORD1.--SPECIFIC CONDUCTANCE: Maximum, 83 uS/cm at 25 °C, Feb. 3, 2022; minimum, 7 uS/cm at 25 °C, Oct. 14, 2022. WATER TEMPERATURE: Maximum, 22.8 °C, Aug. 8, 2022; minimum, -0.1 °C on several days during the 2020 water year winter period.
1 Water-Quality Records
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