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ALL DATA ARE EASTERN STANDARD TIME

USGS 01526500 TIOGA RIVER NEAR ERWINS NY

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 42°07'16", long 77°07'45" referenced to North American Datum of 1983, Steuben County, NY, Hydrologic Unit 02050104, on right bank 20 ft downstream from bridge on Mulholland Road, 1.1 mi northeast of Erwins, and 1.1 mi downstream from Canisteo River.
DRAINAGE AREA.--1,377 mi2.
PERIOD OF RECORD.--July 1918 to current year.
REVISED RECORDS.--WSP 891: 1935-38. WSP 1672: 1919 (M), 1927 (M), 1929 (M). WSP 2103: Drainage area.
GAGE.--Water-stage recorder. Datum of gage is 931.24 ft above NGVD of 1929. Prior to June 21, 1931, nonrecording gage on highway bridge at same datum.
REMARKS.--Since November 1979, flood flows regulated by Tioga Lake (station 01517900) and Hammond Lake (station 01518498), and since December 1979, by Cowanesque Lake (station 01519995); normal regulation occasionally sufficient to affect figures of monthly runoff. Water Year 2014-15: Records good except those for estimated daily discharges, which are fair.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, since construction of Tioga, Hammond, and Cowanesque Lakes in 1979, 45,600 ft3/s, Jan. 19, 1996, gage height 16.98 ft; minimum discharge, 52 ft3/s, Oct. 1, 2, 6, 1980.
EXTREMES FOR PERIOD PRIOR TO REGULATION.--Maximum discharge, prior to construction of Tioga, Hammond, and Cowanesque Lakes in 1979, 190,000 ft3/s, June 23, 1972, gage height, 26.74 ft, from floodmarks, from rating curve extended above 90,000 ft3/s on basis of computation of peak flow at Tioga River at Lindley (station 01520500) and Canisteo River at Erwins (station 01526070), 7.2 mi and 2.0 mi upstream, respectively, adjusted for flow from intervening area; minimum discharge, 18 ft3/s, Sept. 2, 3, 1939; minimum gage height, 0.40 ft, Sept. 8, 9, 1954, July 23, Aug. 10, 11, 1955.

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  2016-09-30
00065 Gage height 2016-06-02  2016-09-30

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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: 105   09-30-2016   21:45 EST
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Daily discharge, cubic feet per second -- statistics for Sep 30 based on 36 years of record more
Min
(1980)
Most Recent
Instantaneous
Value Sep 30
25th
percen-
tile
Median 75th
percen-
tile
Mean Max
(2011)
54 105 148 299 608 777 7120


Gage height, feet

Most recent instantaneous value: 0.43   09-30-2016   21:45 EST
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