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ALL DATA ARE EASTERN STANDARD TIME

USGS 01527500 COHOCTON RIVER AT AVOCA NY

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 42°23'52", long 77°25'03" referenced to North American Datum of 1983, Steuben County, NY, Hydrologic Unit 02050105, on left bank just downstream from bridge on State Highway 415, 0.2 mi north of Avoca, 1.6 mi upstream from Goff Creek, and 6.4 mi north of Bath.
DRAINAGE AREA.--152 mi2.
PERIOD OF RECORD.--May 1938 to September 1945, June 1996 to September 1997, June 2001 to current year.
GAGE.--Water-stage recorder. Datum of gage is 1,182.75 ft above NGVD of 1929. May 16, 1938 to Sept. 30, 1945, at site 4,200 ft downstream at datum 2.75 ft lower.
REMARKS.--Water Year 2014-15: Records good except those for estimated daily discharges, which are fair.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 4,300 ft3/s, May 16, 2014, gage height, 6.35 ft; maximum gage height, 8.88 ft, Mar. 17, 1942, site and datum then in use; minimum discharge, 6.5 ft3/s, Sept. 28, 1941.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of June 23, 1972, reached a discharge of 13,300 ft3/s, on basis of contracted-opening measurement of peak flow.

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  2016-07-26
00065 Gage height 2016-03-28  2016-07-26

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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: 50   07-26-2016  22:30 EST
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Daily discharge, cubic feet per second -- statistics for Jul 26 based on 25 years of record more
Min
(1941)
25th
percen-
tile
Most Recent
Instantaneous
Value Jul 26
Median Mean 75th
percen-
tile
Max
(2003)
19 41 50 55 77 127 190


Gage height, feet

Most recent instantaneous value: 2.52   07-26-2016  22:30 EST
Graph of  Gage height, feet

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