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USGS 01365500 CHESTNUT CREEK AT GRAHAMSVILLE NY

PROVISIONAL DATA SUBJECT TO REVISION

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> Site Information
LOCATION.--Lat 41°50'42", long 74°32'22" referenced to North American Datum of 1983, Sullivan County, NY, Hydrologic Unit 02020007, on right bank 600 ft downstream from Red Brook, and 0.6 mi upstream from bridge on State Highway 55, in Grahamsville.
DRAINAGE AREA.--20.9 mi².
PERIOD OF RECORD.--October 1938 to March 1987, October 1998 to current year. Monthly discharge only for some periods, published in WSP 1302.
REVISIONS HISTORY.--Discharge for the period Oct. 1, 2018 to Sept. 30, 2019, was revised on Nov. 6, 2020, based on changes to the stage-discharge rating.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 878.96 ft above NGVD of 1929 and 878.33 ft above NAVD of 1988 (VERTCON). Prior to October 1998, at datum 2.00 ft higher. Concrete control destroyed April 2005.
REMARKS.--Slight seasonal regulation caused by Beaverdam Pond on Red Brook.
Water Years 2014-19: Records fair.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 4,640 ft³/s, Oct. 15, 1955, gage height, 7.02 ft, present datum, from rating curve extended above 1,400 ft³/s on basis of slope-area measurement at gage height 6.68 ft, present datum; minimum discharge, 1.4 ft³/s, Nov. 1, 1964.
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> Rating Information
This station managed by the NY Water Science Center Milford.

Available Parameters Available Period
  
1999-08-04  2021-01-27
2007-10-01  2021-01-27







 (7)
 

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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: Ice 01-27-2021   21:45 EST
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jan 27 based on 70 water years of record more
Most Recent
Instantaneous
Value Jan 27
Min
(1981)
25th
percen-
tile
Median Mean 75th
percen-
tile
Max
(1976)
-- unavailable -- 7.00 18 26 56 69 649


Gage height, feet

Most recent instantaneous value: 0.72 01-27-2021   21:45 EST
Graph of  Gage height, feet

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