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ALL DATA ARE EASTERN STANDARD TIME

USGS 04218000 TONAWANDA CREEK AT RAPIDS NY

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 43°05'35", long 78°38'10" referenced to North American Datum of 1983, Niagara County, NY, Hydrologic Unit 04120104, on right bank at downstream side of bridge on Rapids Road at Rapids, 4.6 mi east of Pendleton, 4.9 mi downstream from Beeman Creek, and 5.9 mi upstream from Mud Creek.
DRAINAGE AREA.--349 mi².
PERIOD OF RECORD.--August 1955 to September 1965, March 1978 to September 1979 (seasonal gage-height records only), October 1979 to current year.
REVISED RECORDS.--WDR NY-82-3: Drainage area.
GAGE.--Water-stage recorder. Datum of gage is 571.19 ft above NGVD of 1929 and 570.70 ft above NAVD of 1988 (VERTCON).
REMARKS.--At flows greater than about 5,000 ft³/s, significant undetermined amounts of flow bypass the gage.
Water Years 2014-16: Records good except those for estimated daily discharges, which are fair.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 6,280 ft³/s, Apr. 1, 1960, gage height, 16.96 ft (does not include about 4,300 ft³/s bypassing the gage, as estimated and reported by the Buffalo District Corps of Engineers, see REMARKS paragraph); minimum discharge, 4.5 ft³/s, July 28, 1983, gage height, 0.91 ft.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood in March 1865 reached a stage of about 18.9 ft, discharge, about 20,000 ft³/s; and flood in March 1904 reached a stage of about 17.5 ft, discharge, about 12,000 ft³/s, information supplied by U.S Army Corps of Engineers.

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 1990-10-01  2017-11-18
00065 Gage height 2007-10-01  2017-11-18

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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: 482 11-18-2017   03:00 EST
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Daily discharge, cubic feet per second -- statistics for Nov 18 based on 48 years of record more
Min
(1965)
25th
percen-
tile
Median Mean 75th
percen-
tile
Most Recent
Instantaneous
Value Nov 18
Max
(1986)
17.0 90 237 361 450 482 1900


Gage height, feet

Most recent instantaneous value: 2.57 11-18-2017   03:00 EST
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