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ALL DATA ARE AT LOCAL TIME


USGS 01428500 DELAWARE R ABOVE LACKAWAXEN R NR BARRYVILLE NY

PROVISIONAL DATA SUBJECT TO REVISION

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This station is operated in cooperation with:
   National Weather Service
   New York City Department of Environmental Protection
   U.S. Geological Survey


LOCATION.--Lat 41°30'32", long 74°59'09" referenced to North American Datum of 1983, Sullivan County, NY, Hydrologic Unit 02040101, on left bank 1.6 mi upstream from Lackawaxen River, and 4.6 mi northwest of Barryville. Water-quality sampling site at discharge station.
DRAINAGE AREA.--2,020 mi2.
PERIOD OF RECORD.--October 1940 to current year.
REVISED RECORDS.--WDR NY-82-1: Drainage area. WDR NY-04-1: 2003.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 600.22 ft above NGVD of 1929.
REMARKS.--Records good except those for estimated daily discharges, which are poor. Subsequent to September 1954, entire flow from 371 mi2 of drainage area controlled by Pepacton Reservoir (01416900), and subsequent to October 1963, entire flow from 454 mi2 of drainage area controlled by Cannonsville Reservoir (01424997). Part of flow of these reservoirs diverted for New York City municipal supply. Remainder of flow (except for conservation releases and spill) impounded for release during periods of low flow in the lower Delaware River basin, as directed by the Delaware River Master. Satellite gage-height and temperature telemeter at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge prior to current degree of regulation, 130,000 ft3/s, Aug. 19, 1955, gage height, 26.40 ft, from floodmarks in gage house, from rating curve extended above 57,000 ft3/s on basis of slope-area measurement at gage height 23.19 ft; maximum discharge since current degree of regulation, 151,000 ft3/s, June 28, 2006, gage height, 28.97 ft, from floodmark in gage house, from rating curve extended as explained above; minimum discharge, 122 ft3/s, Sept. 5, 1953, gage height, 1.11 ft.
PERIOD OF RECORD1.--Water years 1968 to current year.
CHEMICAL DATA: 1971-73 (a).
NUTRIENT DATA: 1971 (a).
INSTRUMENTATION1.--Water-temperature satellite and telephone telemeter provides 15-minute-interval readings. From October 1975 to September 1995, water-temperature recorder provided one-hour-interval readings. Prior to October 1975, water-temperature recorder provided continuous readings.
EXTREMES FOR PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: Prior to Oct. 1, 2007--Maximum (water years 1968-75, 1980-81, 1983, 1985-96, 1998-2001, 2003-07), 32.5°C, July 9, 10, 1993; minimum (water years 1968, 1977-2007), 0.0°C, on many days during winter periods, each year except water years 1980-82.
WATER TEMPERATURE: After Oct. 1, 2007--Maximum, 32.0°C, July 7, 8, 2010; minimum (water years 2008, 2010-12), -0.1°C, Feb. 13, 2012.
1 Water-Quality Records
Derived from NY Annual Water-Data Report 2012

Peak Flow and Stage Information
This station managed by the NY Water Science Center, Troy.

Available Parameters Available Period
All 3 Available Parameters for this site
  
00010 Temperature, water 2007-10-01  2014-07-22
00060 Discharge 2007-10-01  2014-07-22
00065 Gage height 2014-03-24  2014-07-22

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


Temperature, water, degrees Celsius

Most recent instantaneous value: 22.4   07-22-2014  17:45 EST
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Discharge, cubic feet per second

Most recent instantaneous value: 2,720   07-22-2014  17:45 EST
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Daily discharge, cubic feet per second -- statistics for Jul 22 based on 50 years of record more
Min
(1965)
25th
percen-
tile
Median Mean 75th
percen-
tile
Most Recent
Instantaneous
Value Jul 22
Max
(1996)
334 993 1200 1360 1430 2720 4550


Gage height, feet

Most recent instantaneous value: 4.11   07-22-2014  17:45 EST
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Page Contact Information: New York Water Data Support Team
Page Last Modified: 2014-07-22 19:51:01 EDT
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