This station is operated in cooperation
NYS Department of Environmental Conservation
U.S. Geological Survey
Lat 41°39'03", long 73°56'42"
referenced to North American Datum of 1927, Dutchess County, NY,
Hydrologic Unit 02020008, on left bank at IBM pumping station, 2.3 mi
south of Poughkeepsie, and 3.5 mi south of the Mid-Hudson bridge.
Water-quality sampling site at elevation station.
PERIOD OF RECORD.--
May 1992 to current year.
WDR NY-97-1: 1996.
Water-stage recorder. Datum of gage is NGVD of
Prior to October 2002 published as maximum, minimum,
and mean elevation. Elevations are not corrected for changes in water
density. Blanks in tables are the result of only one high or low tide
during a day or interruption of record. Satellite and telephone
elevation, temperature, and specific conductance telemeter at
EXTREMES FOR PERIOD OF RECORD.--
Maximum elevation recorded, 9.54
ft, Oct. 29, 2012, but may have been higher during period of instrument
malfunction, outside elevation was 9.28 ft, from floodmarks; minimum
elevation, -4.38 ft, Mar. 14, 15, 1993.
PERIOD OF DAILY RECORD1.--
SPECIFIC CONDUCTANCE: May 1992 to current year.
WATER TEMPERATURE: May 1992 to current year.
specific-conductance satellite and telephone telemeter provides
15-minute-interval readings. Automatic sampler intake tubing is mounted
to steel bulkhead wall at gage about 10 ft above the channel
EXTREMES FOR PERIOD OF DAILY RECORD1.--
CONDUCTANCE: Maximum, 2,900 uS/cm, Sept. 8, 2002; minimum, 96 uS/cm,
Jan. 30, 1995.
WATER TEMPERATURE: Prior to Oct. 1, 2007--Maximum, 29.0 °C, Aug. 14,
2005; minimum, 0.0 °C on many days during winter periods, except
WATER TEMPERATURE: After Oct. 1, 2007--Maximum, 28.3 °C, July 24, 2010,
July 21, 2013; minimum, -0.2 °C, Feb. 6, 7, 2010, several days during
1 Water-Quality Records
Peak Flow and Stage Information
Hudson River Sediment Flux Project
Hudson River Salt-Front information.