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ALL DATA ARE EASTERN STANDARD TIME

USGS 04221000 GENESEE RIVER AT WELLSVILLE NY

PROVISIONAL DATA SUBJECT TO REVISION

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This station is operated in cooperation with:
   National Weather Service
   NYS Department of Environmental Conservation
   U.S. Army Corps of Engineers - Buffalo District
   U.S. Geological Survey


LOCATION.--Lat 42°07'20", long 77°57'27" referenced to North American Datum of 1927, Allegany County, NY, Hydrologic Unit 04130002, on left bank 35 ft upstream from concrete weir at Wellsville, 0.5 mi upstream from bridge on State Highway 17, 0.6 mi upstream from Crowner Brook and sewage treatment plant, 0.6 mi downstream from Dyke Creek, and 140.9 mi upstream from mouth.
DRAINAGE AREA.--288 mi2.
PERIOD OF RECORD.--August 1955 to September 1958, October 1972 to current year. Records for June 1916 to September 1972, published as Genesee River at Scio (station 04221500) at site 5.2 mi downstream, are not equivalent because of difference in drainage areas.
REVISED RECORDS.--WDR NY-82-3: Drainage area.
GAGE.--Water-stage recorder and concrete control. Datum of gage is 1,470.00 ft above NGVD of 1929. August 1955 to September 1957, at same site at datum 8.00 ft higher. October 1957 to September 1958, nonrecording gage at site 0.4 mi upstream at datum 3.00 ft higher.
REMARKS.--Records good except those for estimated daily discharges, which are fair. Telephone and satellite gage-height telemeters at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 22,700 ft3/s, Jan. 19, 1996, gage height, 16.13 ft; minimum discharge, 11 ft3/s, Sept. 2, 3, 1991, Aug. 19, 1999, Sept. 6, 1999.
EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum discharge since June 1916, 38,500 ft3/s, June 23, 1972, gage height, 20.7 ft, present datum, from floodmark, on basis of contracted-opening measurement of peak flow 0.5 mi downstream.
Derived from NY Annual Water-Data Report 2011

Peak Flow and Stage Information
This station managed by the NY Water Science Center, Ithaca.

Available Parameters Available Period
All 2 Available Parameters for this site
  
00060 Discharge 2007-10-01  2014-07-23
00065 Gage height 2014-03-25  2014-07-23

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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: 148   07-23-2014  10:45 EST
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Daily discharge, cubic feet per second -- statistics for Jul 23 based on 44 years of record more
Min
(1993)
25th
percen-
tile
Median Most Recent
Instantaneous
Value Jul 23
75th
percen-
tile
Mean Max
(2003)
23 46 77 148 177 185 3080


Gage height, feet

Most recent instantaneous value: 4.68   07-23-2014  10:45 EST
Graph of  Gage height, feet

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Page Contact Information: New York Water Data Support Team
Page Last Modified: 2014-07-23 12:08:15 EDT
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