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USGS 01303500 COLD SPRING BROOK AT COLD SPRING HARBOR NY

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 40°51'26", long 73°27'48" referenced to North American Datum of 1983, Nassau County, NY, Hydrologic Unit 02030201, on left bank 270 ft upstream from State Highway 25A, at Cold Spring Harbor Fish Hatchery, and 1.0 mi southwest of Village of Cold Spring Harbor.
DRAINAGE AREA.--7.83 mi².
PERIOD OF RECORD.--July 1950 to current year.
REVISIONS HISTORY.--WDR NY-81-2: 1954 (M), 1958 (M), 1962-63 (M), 1971 (M), 1978-80 (M). WDR-US-2009: Drainage area.
GAGE.--Water-stage recorder and concrete control. Datum of gage is 5.38 ft above NGVD of 1929 and 4.33 ft above NAVD of 1988 (VERTCON).
REMARKS.--Flow occasionally regulated at outlet of pond 40 ft upstream from station. Diversion from this pond by Cold Spring Harbor Fish Hatchery bypasses station, except during the 1979 water year. Satellite gage-height telemeter at station.
Water years 2014-18: Records good except those for estimated daily discharges and those above 100 ft³/s, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 181 ft³/s, Jan. 21, 1979, gage height, 1.99 ft, result of regulation, from rating curve extended above 80 ft³/s; maximum gage height, 5.55 ft, Oct. 29, 2012, from high-water mark, result of storm tide; minimum discharge, 0.15 ft³/s, Dec. 1, 7, 1983, Mar. 6, 2007, result of regulation; minimum gage height, 0.06 ft, Dec. 1, 7, 1983, result of regulation.

Peak Flow and Stage Information

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This station managed by the NY Water Science Center Coram.

Available Parameters Available Period
  
2007-10-01  2019-11-21
2007-10-01  2019-11-21







 (7)
 

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Summary of all available data for this site
Instantaneous-data availability statement


Discharge, cubic feet per second

Most recent instantaneous value: 3.27 11-21-2019   18:00 EST
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Nov 21 based on 68 water years of record more
Min
(1967)
25th
percen-
tile
Median Mean Most Recent
Instantaneous
Value Nov 21
75th
percen-
tile
Max
(1987)
0.26 1.5 2.5 2.6 3.27 3.5 6.58


Gage height, feet

Most recent instantaneous value: 0.34 11-21-2019   18:15 EST
Graph of  Gage height, feet

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