National Water Information System: Web Interface

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ALL DATA ARE EASTERN STANDARD TIME

USGS 03010820 ALLEGHENY RIVER AT OLEAN, NY

PROVISIONAL DATA SUBJECT TO REVISION

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This station is operated in cooperation with:
   U.S. Army Corps of Engineers -- Pittsburgh District


LOCATION.--Lat 42°04'15", long 78°27'10" referenced to North American Datum of 1927, Cattaraugus County, NY, Hydrologic Unit 05010001, at the Olean, NY sewage treatment facility.
DRAINAGE AREA.--1,192 mi2.
PERIOD OF RECORD.--August, 2010 to current year.
GAGE.--Water-stage recorder. Datum of gage is 1,405 ft above NGVD of 1929, from topographic map.
REMARKS.--Records good except those for estimated daily discharges, which are fair. Satellite gage-height telemeter at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 27,300 ft³/s, Dec. 2, 2010, gage height, 15.74 ft; minimum discharge, 155 ft³/s, Sept. 27, 2010, gage height, -1.03 ft.
EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum discharge, 59,000 ft3/s, June 23, 1972, provided by the Army Corps of Engineers.
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 3 Available Parameters for this site
  
00065 Gage height 2014-03-25  2014-07-23
00060 Discharge 2010-08-21  2014-07-23
00045 Precipitation 2014-03-25  2014-07-23

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


Gage height, feet

Most recent instantaneous value: 0.10   07-23-2014  14:30 EST
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Discharge, cubic feet per second

Most recent instantaneous value: 715   07-23-2014  14:30 EST
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Daily discharge, cubic feet per second -- statistics for Jul 23 based on 3 years of record more
Min
(2011)
25th
percen-
tile
Median Mean 75th
percen-
tile
Max
(2013)
Most Recent
Instantaneous
Value Jul 23
146 146 260. 359 672 672 715

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Title: USGS Current Conditions for New York
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Page Contact Information: New York Water Data Support Team
Page Last Modified: 2014-07-23 16:11:34 EDT
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