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ALL DATA ARE AT LOCAL TIME


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USGS 01401000 Stony Brook at Princeton NJ

PROVISIONAL DATA SUBJECT TO REVISION

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During winter months, cold and ice may result in inaccurate real-time gage height and streamflow data. Adjustments or deletions of this data can only be done after detailed analysis.



 

NOTICE: This continuous water-quality monitor (water temperature, chlorophyll, and phycocyanin) will be discontinued on September 1, 2021, due to completion of the data collection portion of the Downstream Fate and Transport of Cyanobacteria and Cyanotoxins in the Raritan River Basin, New Jersey study.


SURFACE-WATER RECORDS

LOCATION.--Lat 40°19'59", long 74°40'55" referenced to North American Datum of 1983, Princton Township, Mercer County, NJ, Hydrologic Unit 02030105, on right bank, 10 ft downstream from bridge on U.S. Highway 206, 1.6 mi southwest of Princeton, and 4.0 mi upstream from Carnegie Lake.
DRAINAGE AREA.--44.5 mi².
PERIOD OF RECORD.--Continuous-record discharge station, October 1953 to current year.
GAGE.--Water-stage recorder with telemetry, crest-stage gage, and concrete control. Datum of gage is 62.23 ft above NGVD of 1929 (levels from New Jersey Geological Survey benchmark).
REMARKS.--Records fair, except for estimated discharges, which are poor. Since July 1959 some regulation by several small reservoirs, combined capacity, 49,800,000 gal. Discharges above 5,100 ft³/s from rating extension on basis of contracted-opening measurement of peak flow.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 10,600 ft³/s, Aug 28, 2011, gage height, 16.23 ft, from rating curve extended above 5,100 ft³/s on basis of contracted-opening measurement of peak flow at gage height 14.26 ft; minimum discharge, 0.0 ft³/s, Aug 5, 1966.

Peak Flood Chart

Gage Photo

National Weather Service flood stage for this gage is 9 ft.

This station managed by the New Jersey Water Science Center.

Available Parameters Available Period
  
2020-07-31  2021-10-25
1981-10-01  2021-10-25
2007-10-01  2021-10-25
2020-07-31  2021-10-25
2020-07-31  2021-10-25
2020-07-31  2021-10-25
2020-07-31  2021-10-25







 (7)
 

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

Temperature, water, degrees Celsius
 
-- Data temporarily unavailable for the time period specified --


Discharge, cubic feet per second

Most recent instantaneous value: 0.80 10-25-2021   02:30 EDT
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Oct 25 based on 67 water years of record more
Min
(1954)
Most Recent
Instantaneous
Value Oct 25
25th
percen-
tile
Median 75th
percen-
tile
Mean Max
(2010)
0.30 0.80 4 8.2 24 42 730


Gage height, feet

Most recent instantaneous value: 1.58 10-25-2021   02:30 EDT
Graph of  Gage height, feet

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Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)
 
-- Data temporarily unavailable for the time period specified --

Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll
 
-- Data temporarily unavailable for the time period specified --

Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin
 
-- Data temporarily unavailable for the time period specified --

Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)
 
-- Data temporarily unavailable for the time period specified --