LOCATION.--Lat 41°43'18", long
73°56'28" referenced to North American Datum of 1927,
Dutchess County, NY, Hydrologic Unit 02020008, on left bank at
city pumping station, adjacent to Marist College, 0.5 mi north
of Poughkeepsie, and 1.3 mi upstream from Mid-Hudson
DRAINAGE AREA.--11,700 mi².
PERIOD OF RECORD.--October 2012 to current year.
GAGE.--Water-stage recorder. Datum of gage is NGVD of
1929. To convert elevations to NAVD of 1988, subtract 0.86
REMARKS.--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.
EXTREMES FOR PERIOD OF RECORD.--Maximum elevation, 9.91
ft, Oct. 30, 2012; minimum elevation, about -3.90 ft, Jan. 6,
PERIOD OF DAILY RECORD1.-- WATER
TEMPERATURES: June 1959 to September 1966.
measurements were made at approximately 0830 during water years
1959-63 and at approximately 0700 during water years
EXTREMES FOR PERIOD OF DAILY RECORD1.-- WATER
TEMPERATURES (water years 1959-66): Maximum daily, 26.5°C,
August 29, 1959; minimum daily, 0.0°C on many days during
1 Water-Quality Records