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ALL DATA ARE EASTERN STANDARD TIME

USGS 03011020 ALLEGHENY RIVER AT SALAMANCA NY

PROVISIONAL DATA SUBJECT TO REVISION

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The 15-minute precipitation data for this station are temporaryand will only be displayed for 120 days. Although the instrumentation is calibrated at least once/year, the temporary classification means that documented routine inspections and other quality assurance measures are not performed that would make the data acceptable for archival, retrieval, or future use in general scientific or interpretive studies.

 

LOCATION.--Lat 42°09'23", long 78°42'55" referenced to North American Datum of 1983, Cattaraugus County, NY, Hydrologic Unit 05010001, on left bank 230 ft upstream from Main Street bridge in Salamanca, 1.3 mi downstream from Great Valley Creek, and 1.6 mi upstream from Little Valley Creek.
DRAINAGE AREA.--1,608 mi².
PERIOD OF RECORD.--September 1903 to current year. Monthly discharge only for some periods, published in WSP 1305. Prior to October 1964, published as "at Red House" (03011500).
REVISED RECORDS.--WSP 1385: 1907, 1909-12, 1913 (M), 1914-15, 1916-17 (M), 1925, 1927. WSP 1907: Drainage area.
GAGE.--Water-stage recorder. Datum of gage is 1,358.00 ft above NGVD of 1929 (Corps of Engineers bench mark), and 1,357.49 ft above NAVD of 1988 (VERTCON). Prior to Sept. 3, 1917, nonrecording gage, and Sept. 3, 1917 to Sept. 30, 1964, water-stage recorder, at site 7.5 mi downstream at different datum.
REMARKS.--Water Years 2014-15: Records good except those for estimated daily discharges, which are fair.
Water Year 2016: Records good except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 73,000 ft³/s, June 23, 1972, gage height, 24.01 ft, from floodmarks; minimum daily discharge, 79 ft³/s, Sept. 10, 11, 1971; minimum instantaneous discharge not determined.
PERIOD OF DAILY RECORD1.--WATER TEMPERATURES: October 2011 to current year.
INSTRUMENTATION1.--Water temperature recorder since October 2011 provides 15-minute interval readings.
EXTREMES FOR PERIOD OF DAILY RECORD1.--WATER TEMPERATURES: Maximum, 28.8°C, June 27, 2016; minimum, 0.0°C, on many days during winter period.
1 Water-Quality Records

Peak Flow and Stage Information

Gage PhotoStation image

 

This station managed by the NY Water Science Center Ithaca.

Available Parameters Available Period
All 4 Available Parameters for this site
  
00010 Temperature, water 2011-09-23  2017-11-24
00045 Precipitation 2017-07-27  2017-11-24
00060 Discharge 1990-10-01  2017-11-24
00065 Gage height 2007-10-01  2017-11-24

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


Temperature, water, degrees Celsius

Most recent instantaneous value: 3.4 11-24-2017   05:45 EST
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Precipitation, total, inches

Most recent instantaneous value: 0.00 11-24-2017   05:45 EST
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Discharge, cubic feet per second

Most recent instantaneous value: 4110 11-24-2017   05:45 EST
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Daily discharge, cubic feet per second -- statistics for Nov 24 based on 114 years of record more
Min
(1931)
25th
percen-
tile
Median Mean 75th
percen-
tile
Most Recent
Instantaneous
Value Nov 24
Max
(1993)
143 1150 2520 2880 4020 4110 9160


Gage height, feet

Most recent instantaneous value: 4.99 11-24-2017   05:45 EST
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