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USGS 01305500 SWAN RIVER AT EAST PATCHOGUE NY

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 40°46'01", long 72°59'37" referenced to North American Datum of 1983, Suffolk County, NY, Hydrologic Unit 02030202, on left bank 94 ft downstream from Montauk Highway in East Patchogue, 200 ft downstream from outlet of Swan Lake, and 1.2 mi upstream from mouth.
DRAINAGE AREA.--8.07 mi².
PERIOD OF RECORD.--October 1946 to current year.
REVISIONS HISTORY.--WDR NY-81-2: 1952-77 (M), 1978, 1979-80 (M). WDR-US-2009: Drainage area.
GAGE.--Water-stage recorder and concrete control. Datum of gage is 2.84 ft above NGVD of 1929 and 1.79 ft above NAVD of 1988 (VERTCON).
REMARKS.--Flow regulated at outlet of Swan Lake.
Water Years 2014-18: Records fair except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 77 ft³/s, Aug. 24, 1990, gage height, 2.71 ft; maximum gage height, about 3.6 ft, Oct. 29, 2012, from high-water mark, result of storm tide; minimum discharge, 0.06 ft³/s, Sept. 2, 1964, gage height, 0.02 ft, result of regulation.

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This station managed by the NY Water Science Center Coram.

Available Parameters Available Period
  
2007-10-01  2019-12-12
2016-12-12  2019-12-12







 (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: 12.3 12-12-2019   18:15 EST
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Dec 12 based on 72 water years of record more
Min
(1967)
25th
percen-
tile
Median Mean Most Recent
Instantaneous
Value Dec 12
75th
percen-
tile
Max
(2009)
7.70 10 11 12 12.3 13 20.9


Gage height, feet

Most recent instantaneous value: 0.52 12-12-2019   18:15 EST
Graph of  Gage height, feet

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