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ALL DATA ARE AT LOCAL TIME



USGS 01400000 North Branch Raritan River near Raritan NJ

PROVISIONAL DATA SUBJECT TO REVISION

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National Weather Service flood stage for this gage is 10.0 ft.

Forecasts for this gage are issued by the National Weather Service routinely year-round.
Forecast information is available here.


gage photo LOCATION.--Lat 40°34'14", long 74°40'45" referenced to North American Datum of 1983, Branchburg Township, Somerset County, NJ, Hydrologic Unit 02030105, on right bank, 400 ft upstream from U.S. Route 202, 1.4 mi upstream from confluence with South Branch Raritan River, and 2.7 mi west of Raritan.
DRAINAGE AREA.--190 mi2.
PERIOD OF RECORD.--June 1923 to current year. Monthly discharge only for June 1923, published in WSP 1302. Prior to October 1943, published as "at Milltown".
GAGE.--Water-stage recorder. Concrete control since Sep 1, 1936. Datum of gage is 50.43 ft above NGVD of 1929. Prior to Oct 17, 1936, nonrecording gage at site 30 ft downstream at same datum. Occasionally reservoir releases from Round Valley Reservoir are included in the flow at this gage.
COOPERATION.--Funding for this gage is provided by the New Jersey Water Supply Authority, the New Jersey Department of Environmental Protection, and the U.S. Geological Survey.

Boating Safety Tips

This station managed by the New Jersey Water Science Center.

Available Parameters Available Period
All 2 Available Parameters for this site
  
00060 Discharge 2007-10-01  2014-11-25
00065 Gage height 2007-10-01  2014-11-25

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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: 200   11-25-2014  22:15 EST
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Daily discharge, cubic feet per second -- statistics for Nov 25 based on 90 years of record more
Min
(1950)
25th
percen-
tile
Median Most Recent
Instantaneous
Value Nov 25
Mean 75th
percen-
tile
Max
(1943)
41 107 175 200 308 318 3800


Gage height, feet

Most recent instantaneous value: 2.91   11-25-2014  22:15 EST
Graph of  Gage height, feet

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