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ALL DATA ARE EASTERN STANDARD TIME

USGS 01500500 SUSQUEHANNA RIVER AT UNADILLA NY

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 42°19'17", long 75°19'00" referenced to North American Datum of 1983, Otsego County, NY, Hydrologic Unit 02050101, on right bank 25 ft downstream from Bridge Street at Unadilla, 1.0 mi upstream from Carrs Creek, and 1.6 mi downstream from Ouleout Creek.
DRAINAGE AREA.--982 mi2.
PERIOD OF RECORD.--June 1938 to March 1995. 1996 to 2014 (annual maximum only). October 2014 to current year.
REVISED RECORDS.--WSP 851: 1938 (M). WSP 2103: 1966 (M), Drainage area.
GAGE.--Water-stage recorder. Datum of gage is 997.25 ft above NGVD of 1929 and 996.85 ft above NAVD of 1988.
REMARKS.--Minor regulation by upstream lakes and reservoirs. Water Years 2014-15: Records good except those for estimated daily discharges, which are fair.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 35,100 ft3/s, June 29, 2006, gage height, 17.72 ft.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Mar. 18, 1936, reached a stage of 16.6 ft, from flood marks, discharge, 31,300 ft3/s, from publications of the Corps of Engineers, Baltimore District.

Peak Flow and Stage Information

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This station managed by the NY Water Science Center Ithaca.

Available Parameters Available Period
All 2 Available Parameters for this site
  
00060 Discharge 1985-10-02  2017-07-23
00065 Gage height 2017-03-25  2017-07-23

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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: 896 07-23-2017   23:00 EST
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Daily discharge, cubic feet per second -- statistics for Jul 24 based on 59 years of record more
Min
(1939)
25th
percen-
tile
Median Mean 75th
percen-
tile
Most Recent
Instantaneous
Value Jul 24
Max
(1947)
116 193 349 454 538 896 2160


Gage height, feet

Most recent instantaneous value: 3.70 07-23-2017   23:00 EST
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