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ALL DATA ARE EASTERN STANDARD TIME

USGS 01502500 UNADILLA RIVER AT ROCKDALE NY

PROVISIONAL DATA SUBJECT TO REVISION

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This station is operated in cooperation with:
   NYS Department of Environmental Conservation


LOCATION.--Lat 42°22'40", long 75°24'22" referenced to North American Datum of 1983, Chenango County, NY, Hydrologic Unit 02050101, on right bank 400 ft downstream from Chenango-Otsego County highway bridge at Rockdale, and 0.7 mi downstream from Kent Brook.
DRAINAGE AREA.--520 mi2.
PERIOD OF RECORD.--November 1929 to September 1933, January 1937 to March 1995, annual maximum only--1996-2000, October 2000 to current year.
REVISED RECORDS.--WDR NY-74-1: 1973 (P). WDR-US-2011: 2006.
GAGE.--Water-stage recorder. Datum of gage is 992.25 ft above NGVD of 1929. Prior to January 1937, nonrecording gage at bridge 400 ft upstream at datum 0.73 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, 21,100 ft3/s, Sept. 8, 2011, gage height, 14.22 ft; minimum discharge, 4.3 ft3/s, May 17, 1995, gage height, 4.34 ft.
Derived from NY Annual Water-Data Report 2013

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  2014-11-01
00065 Gage height 2014-07-04  2014-11-01

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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: 553   11-01-2014  03:30 EST
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Daily discharge, cubic feet per second -- statistics for Nov 1 based on 74 years of record more
Min
(1965)
25th
percen-
tile
Median Most Recent
Instantaneous
Value Nov 1
Mean 75th
percen-
tile
Max
(1977)
39 166 320 553 575 723 2280


Gage height, feet

Most recent instantaneous value: 5.05   11-01-2014  03:30 EST
Graph of  Gage height, feet

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