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Hydrograph River at a Glance Download
Stony Brook at Watchung Stage (ft)Highest Observation: 9.69 ft at 5:15AM Nov 09, 2019Highest Observation: 9.69 ft at 5:30AM Nov 09, 2019Highest Observation: 9.69 ft at 5:45AM Nov 09, 2019Highest Observation: 9.69 ft at 6:00AM Nov 09, 2019Highest Observation: 9.69 ft at 6:15AM Nov 09, 2019Highest Observation: 9.69 ft at 6:30AM Nov 09, 2019Highest Observation: 9.69 ft at 6:45AM Nov 09, 2019Highest Observation: 9.69 ft at 7:00AM Nov 09, 2019Highest Observation: 9.69 ft at 7:15AM Nov 09, 2019Highest Observation: 9.69 ft at 7:30AM Nov 09, 2019Observed: 9.68 ft at 7:45AM Nov 09, 2019Observed: 9.68 ft at 8:00AM Nov 09, 2019Observed: 9.68 ft at 8:15AM Nov 09, 2019Observed: 9.68 ft at 8:30AM Nov 09, 2019Observed: 9.68 ft at 8:45AM Nov 09, 2019Observed: 9.68 ft at 9:00AM Nov 09, 2019Observed: 9.68 ft at 9:15AM Nov 09, 2019Observed: 9.68 ft at 9:30AM Nov 09, 2019Observed: 9.68 ft at 9:45AM Nov 09, 2019Observed: 9.68 ft at 10:00AM Nov 09, 2019Observed: 9.68 ft at 10:15AM Nov 09, 2019Observed: 9.68 ft at 10:30AM Nov 09, 2019Observed: 9.68 ft at 10:45AM Nov 09, 2019Observed: 9.68 ft at 11:00AM Nov 09, 2019Observed: 9.68 ft at 11:15AM Nov 09, 2019Observed: 9.68 ft at 11:30AM Nov 09, 2019Observed: 9.68 ft at 11:45AM Nov 09, 2019Observed: 9.68 ft at 12:00PM Nov 09, 2019Observed: 9.68 ft at 12:15PM Nov 09, 2019Observed: 9.68 ft at 12:30PM Nov 09, 2019Observed: 9.68 ft at 12:45PM Nov 09, 2019Observed: 9.68 ft at 1:00PM Nov 09, 2019Observed: 9.68 ft at 1:15PM Nov 09, 2019Observed: 9.68 ft at 1:30PM Nov 09, 2019Observed: 9.68 ft at 1:45PM Nov 09, 2019Observed: 9.68 ft at 2:00PM Nov 09, 2019Observed: 9.68 ft at 2:15PM Nov 09, 2019Observed: 9.68 ft at 2:30PM Nov 09, 2019Observed: 9.68 ft at 2:45PM Nov 09, 2019Observed: 9.68 ft at 3:00PM Nov 09, 2019Observed: 9.68 ft at 3:15PM Nov 09, 2019Observed: 9.68 ft at 3:30PM Nov 09, 2019Observed: 9.68 ft at 3:45PM Nov 09, 2019Observed: 9.68 ft at 4:00PM Nov 09, 2019Observed: 9.68 ft at 4:15PM Nov 09, 2019Observed: 9.68 ft at 4:30PM Nov 09, 2019Observed: 9.68 ft at 4:45PM Nov 09, 2019Observed: 9.68 ft at 5:00PM Nov 09, 2019Observed: 9.68 ft at 5:15PM Nov 09, 2019Observed: 9.68 ft at 5:30PM Nov 09, 2019Observed: 9.68 ft at 5:45PM Nov 09, 2019Observed: 9.68 ft at 6:00PM Nov 09, 2019Observed: 9.68 ft at 6:15PM Nov 09, 2019Observed: 9.68 ft at 6:30PM Nov 09, 2019Observed: 9.68 ft at 6:45PM Nov 09, 2019Observed: 9.68 ft at 7:00PM Nov 09, 2019Observed: 9.68 ft at 7:15PM Nov 09, 2019Observed: 9.68 ft at 7:30PM Nov 09, 2019Observed: 9.68 ft at 7:45PM Nov 09, 2019Observed: 9.68 ft at 8:00PM Nov 09, 2019Observed: 9.68 ft at 8:15PM Nov 09, 2019Observed: 9.68 ft at 8:30PM Nov 09, 2019Observed: 9.68 ft at 8:45PM Nov 09, 2019Observed: 9.68 ft at 9:00PM Nov 09, 2019Observed: 9.68 ft at 9:15PM Nov 09, 2019Observed: 9.68 ft at 9:30PM Nov 09, 2019Observed: 9.68 ft at 9:45PM Nov 09, 2019Observed: 9.68 ft at 10:00PM Nov 09, 2019Observed: 9.68 ft at 10:15PM Nov 09, 2019Observed: 9.68 ft at 10:30PM Nov 09, 2019Observed: 9.68 ft at 10:45PM Nov 09, 2019Observed: 9.68 ft at 11:00PM Nov 09, 2019Observed: 9.68 ft at 11:15PM Nov 09, 2019Observed: 9.68 ft at 11:30PM Nov 09, 2019Observed: 9.68 ft at 11:45PM Nov 09, 2019Observed: 9.68 ft at 12:00AM Nov 10, 2019Observed: 9.68 ft at 12:15AM Nov 10, 2019Observed: 9.68 ft at 12:30AM Nov 10, 2019Observed: 9.68 ft at 12:45AM Nov 10, 2019Observed: 9.68 ft at 1:00AM Nov 10, 2019Observed: 9.68 ft at 1:15AM Nov 10, 2019Observed: 9.68 ft at 1:30AM Nov 10, 2019Observed: 9.68 ft at 1:45AM Nov 10, 2019Observed: 9.68 ft at 2:00AM Nov 10, 2019Observed: 9.68 ft at 2:15AM Nov 10, 2019Observed: 9.68 ft at 2:30AM Nov 10, 2019Observed: 9.68 ft at 2:45AM Nov 10, 2019Observed: 9.68 ft at 3:00AM Nov 10, 2019Observed: 9.68 ft at 3:15AM Nov 10, 2019Observed: 9.68 ft at 3:30AM Nov 10, 2019Observed: 9.68 ft at 3:45AM Nov 10, 2019Observed: 9.68 ft at 4:00AM Nov 10, 2019Observed: 9.68 ft at 4:15AM Nov 10, 2019Observed: 9.68 ft at 4:30AM Nov 10, 2019Observed: 9.68 ft at 4:45AM Nov 10, 2019Observed: 9.66 ft at 5:00AM Nov 10, 2019Observed: 9.65 ft at 5:15AM Nov 10, 2019Observed: 9.64 ft at 5:30AM Nov 10, 2019Observed: 9.64 ft at 5:45AM Nov 10, 2019Observed: 9.64 ft at 6:00AM Nov 10, 2019Observed: 9.64 ft at 6:15AM Nov 10, 2019Observed: 9.64 ft at 6:30AM Nov 10, 2019Observed: 9.64 ft at 6:45AM Nov 10, 2019Observed: 9.64 ft at 7:00AM Nov 10, 2019Observed: 9.63 ft at 7:15AM Nov 10, 2019Observed: 9.63 ft at 7:30AM Nov 10, 2019Observed: 9.64 ft at 7:45AM Nov 10, 2019Observed: 9.64 ft at 8:00AM Nov 10, 2019Observed: 9.64 ft at 8:15AM Nov 10, 2019Observed: 9.64 ft at 8:30AM Nov 10, 2019Observed: 9.64 ft at 8:45AM Nov 10, 2019Observed: 9.64 ft at 9:00AM Nov 10, 2019Observed: 9.65 ft at 9:15AM Nov 10, 2019Observed: 9.65 ft at 9:30AM Nov 10, 2019Observed: 9.65 ft at 9:45AM Nov 10, 2019Observed: 9.64 ft at 10:00AM Nov 10, 2019Observed: 9.64 ft at 10:15AM Nov 10, 2019Observed: 9.64 ft at 10:30AM Nov 10, 2019Observed: 9.63 ft at 10:45AM Nov 10, 2019Observed: 9.63 ft at 11:00AM Nov 10, 2019Observed: 9.62 ft at 11:15AM Nov 10, 2019Observed: 9.62 ft at 11:30AM Nov 10, 2019Observed: 9.62 ft at 11:45AM Nov 10, 2019Observed: 9.62 ft at 12:00PM Nov 10, 2019Observed: 9.61 ft at 12:15PM Nov 10, 2019Observed: 9.61 ft at 12:30PM Nov 10, 2019Observed: 9.61 ft at 12:45PM Nov 10, 2019Observed: 9.61 ft at 1:00PM Nov 10, 2019Observed: 9.62 ft at 1:15PM Nov 10, 2019Observed: 9.62 ft at 1:30PM Nov 10, 2019Observed: 9.62 ft at 1:45PM Nov 10, 2019Observed: 9.62 ft at 2:00PM Nov 10, 2019Observed: 9.62 ft at 2:15PM Nov 10, 2019Observed: 9.62 ft at 2:30PM Nov 10, 2019Observed: 9.62 ft at 2:45PM Nov 10, 2019Observed: 9.62 ft at 3:00PM Nov 10, 2019Observed: 9.62 ft at 3:15PM Nov 10, 2019Observed: 9.62 ft at 3:30PM Nov 10, 2019Observed: 9.62 ft at 3:45PM Nov 10, 2019Observed: 9.62 ft at 4:00PM Nov 10, 2019Observed: 9.62 ft at 4:15PM Nov 10, 2019Observed: 9.62 ft at 4:30PM Nov 10, 2019Observed: 9.62 ft at 4:45PM Nov 10, 2019Observed: 9.62 ft at 5:00PM Nov 10, 2019Observed: 9.62 ft at 5:15PM Nov 10, 2019Observed: 9.62 ft at 5:30PM Nov 10, 2019Observed: 9.62 ft at 5:45PM Nov 10, 2019Observed: 9.62 ft at 6:00PM Nov 10, 2019Observed: 9.62 ft at 6:15PM Nov 10, 2019Observed: 9.62 ft at 6:30PM Nov 10, 2019Observed: 9.62 ft at 6:45PM Nov 10, 2019Observed: 9.62 ft at 7:00PM Nov 10, 2019Observed: 9.63 ft at 7:15PM Nov 10, 2019Observed: 9.63 ft at 7:30PM Nov 10, 2019Observed: 9.63 ft at 7:45PM Nov 10, 2019Observed: 9.63 ft at 8:00PM Nov 10, 2019Observed: 9.63 ft at 8:15PM Nov 10, 2019Observed: 9.63 ft at 8:30PM Nov 10, 2019Observed: 9.63 ft at 8:45PM Nov 10, 2019Observed: 9.63 ft at 9:00PM Nov 10, 2019Observed: 9.63 ft at 9:15PM Nov 10, 2019Observed: 9.63 ft at 9:30PM Nov 10, 2019Observed: 9.63 ft at 9:45PM Nov 10, 2019Observed: 9.63 ft at 10:00PM Nov 10, 2019Observed: 9.63 ft at 10:15PM Nov 10, 2019Observed: 9.64 ft at 10:30PM Nov 10, 2019Observed: 9.64 ft at 10:45PM Nov 10, 2019Observed: 9.64 ft at 11:00PM Nov 10, 2019Observed: 9.64 ft at 11:15PM Nov 10, 2019Observed: 9.64 ft at 11:30PM Nov 10, 2019Observed: 9.64 ft at 11:45PM Nov 10, 2019Observed: 9.64 ft at 12:00AM Nov 11, 2019Observed: 9.64 ft at 12:15AM Nov 11, 2019Observed: 9.64 ft at 12:30AM Nov 11, 2019Observed: 9.64 ft at 12:45AM Nov 11, 2019Observed: 9.64 ft at 1:00AM Nov 11, 2019Observed: 9.64 ft at 1:15AM Nov 11, 2019Observed: 9.64 ft at 1:30AM Nov 11, 2019Observed: 9.65 ft at 1:45AM Nov 11, 2019Observed: 9.65 ft at 2:00AM Nov 11, 2019Observed: 9.65 ft at 2:15AM Nov 11, 2019Observed: 9.65 ft at 2:30AM Nov 11, 2019Observed: 9.65 ft at 2:45AM Nov 11, 2019Observed: 9.65 ft at 3:00AM Nov 11, 2019Observed: 9.65 ft at 3:15AM Nov 11, 2019Observed: 9.65 ft at 3:30AM Nov 11, 2019Observed: 9.65 ft at 3:45AM Nov 11, 2019Observed: 9.65 ft at 4:00AM Nov 11, 2019Observed: 9.65 ft at 4:15AM Nov 11, 2019Observed: 9.65 ft at 4:30AM Nov 11, 2019Observed: 9.65 ft at 4:45AM Nov 11, 2019Observed: 9.66 ft at 5:00AM Nov 11, 2019Observed: 9.66 ft at 5:15AM Nov 11, 2019Observed: 9.66 ft at 5:30AM Nov 11, 2019Observed: 9.66 ft at 5:45AM Nov 11, 2019Observed: 9.66 ft at 6:00AM Nov 11, 2019Observed: 9.66 ft at 6:15AM Nov 11, 2019Observed: 9.66 ft at 6:30AM Nov 11, 2019Observed: 9.66 ft at 6:45AM Nov 11, 2019Observed: 9.66 ft at 7:00AM Nov 11, 2019Observed: 9.66 ft at 7:15AM Nov 11, 2019Observed: 9.66 ft at 7:30AM Nov 11, 2019Observed: 9.66 ft at 7:45AM Nov 11, 2019Observed: 9.66 ft at 8:00AM Nov 11, 2019Observed: 9.66 ft at 8:15AM Nov 11, 2019Observed: 9.66 ft at 8:30AM Nov 11, 2019Observed: 9.66 ft at 8:45AM Nov 11, 2019Observed: 9.66 ft at 9:00AM Nov 11, 2019Observed: 9.66 ft at 9:15AM Nov 11, 2019Observed: 9.66 ft at 9:30AM Nov 11, 2019Observed: 9.66 ft at 9:45AM Nov 11, 2019Observed: 9.66 ft at 10:00AM Nov 11, 2019Observed: 9.66 ft at 10:15AM Nov 11, 2019Observed: 9.66 ft at 10:30AM Nov 11, 2019Observed: 9.66 ft at 10:45AM Nov 11, 2019Observed: 9.66 ft at 11:00AM Nov 11, 2019Observed: 9.66 ft at 11:15AM Nov 11, 2019Observed: 9.66 ft at 11:30AM Nov 11, 2019Observed: 9.66 ft at 11:45AM Nov 11, 2019Observed: 9.66 ft at 12:00PM Nov 11, 2019Observed: 9.66 ft at 12:15PM Nov 11, 2019Observed: 9.66 ft at 12:30PM Nov 11, 2019Observed: 9.66 ft at 12:45PM Nov 11, 2019Observed: 9.66 ft at 1:00PM Nov 11, 2019Observed: 9.66 ft at 1:15PM Nov 11, 2019Observed: 9.66 ft at 1:30PM Nov 11, 2019Observed: 9.66 ft at 1:45PM Nov 11, 2019Observed: 9.66 ft at 2:00PM Nov 11, 2019Observed: 9.66 ft at 2:15PM Nov 11, 2019Observed: 9.66 ft at 2:30PM Nov 11, 2019Observed: 9.66 ft at 2:45PM Nov 11, 2019Observed: 9.66 ft at 3:00PM Nov 11, 2019Observed: 9.66 ft at 3:15PM Nov 11, 2019Observed: 9.66 ft at 3:30PM Nov 11, 2019Observed: 9.66 ft at 3:45PM Nov 11, 2019Observed: 9.66 ft at 4:00PM Nov 11, 2019Observed: 9.66 ft at 4:15PM Nov 11, 2019Observed: 9.66 ft at 4:30PM Nov 11, 2019Observed: 9.66 ft at 4:45PM Nov 11, 2019Observed: 9.66 ft at 5:00PM Nov 11, 2019Observed: 9.66 ft at 5:15PM Nov 11, 2019Observed: 9.66 ft at 5:30PM Nov 11, 2019Observed: 9.66 ft at 5:45PM Nov 11, 2019Observed: 9.66 ft at 6:00PM Nov 11, 2019Observed: 9.66 ft at 6:15PM Nov 11, 2019Observed: 9.66 ft at 6:30PM Nov 11, 2019Observed: 9.66 ft at 6:45PM Nov 11, 2019Observed: 9.66 ft at 7:00PM Nov 11, 2019Observed: 9.66 ft at 7:15PM Nov 11, 2019Observed: 9.66 ft at 7:30PM Nov 11, 2019Observed: 9.66 ft at 7:45PM Nov 11, 2019Observed: 9.66 ft at 8:00PM Nov 11, 2019Observed: 9.67 ft at 8:15PM Nov 11, 2019Observed: 9.67 ft at 8:30PM Nov 11, 2019Observed: 9.67 ft at 8:45PM Nov 11, 2019Observed: 9.67 ft at 9:00PM Nov 11, 2019Observed: 9.67 ft at 9:15PM Nov 11, 2019Observed: 9.67 ft at 9:30PM Nov 11, 2019Observed: 9.66 ft at 9:45PM Nov 11, 2019Observed: 9.67 ft at 10:00PM Nov 11, 2019Observed: 9.67 ft at 10:15PM Nov 11, 2019Observed: 9.67 ft at 10:30PM Nov 11, 2019Observed: 9.67 ft at 10:45PM Nov 11, 2019Observed: 9.67 ft at 11:00PM Nov 11, 2019Observed: 9.67 ft at 11:15PM Nov 11, 2019Observed: 9.67 ft at 11:30PM Nov 11, 2019Observed: 9.67 ft at 11:45PM Nov 11, 2019Observed: 9.67 ft at 12:00AM Nov 12, 2019Observed: 9.67 ft at 12:15AM Nov 12, 2019Observed: 9.67 ft at 12:30AM Nov 12, 2019Observed: 9.67 ft at 12:45AM Nov 12, 2019Observed: 9.67 ft at 1:00AM Nov 12, 2019Observed: 9.67 ft at 1:15AM Nov 12, 2019Observed: 9.67 ft at 1:30AM Nov 12, 2019Observed: 9.68 ft at 1:45AM Nov 12, 2019Observed: 9.68 ft at 2:00AM Nov 12, 2019Observed: 9.68 ft at 2:15AM Nov 12, 2019Observed: 9.68 ft at 2:30AM Nov 12, 2019Observed: 9.68 ft at 2:45AM Nov 12, 2019Observed: 9.68 ft at 3:00AM Nov 12, 2019Observed: 9.68 ft at 3:15AM Nov 12, 2019Highest Observation: 9.69 ft at 3:30AM Nov 12, 2019Highest Observation: 9.69 ft at 3:45AM Nov 12, 2019Highest Observation: 9.69 ft at 4:00AM Nov 12, 2019Highest Observation: 9.69 ft at 4:15AM Nov 12, 2019Highest Observation: 9.69 ft at 4:30AM Nov 12, 2019USGS--Water Resources of the United StatesWTCN4(plotting HGIRG) Graph Created (5:02AM Nov 12, 2019)ObservedLatest observed value: 9.69 ft at 4:30 AM EST 12-Nov-2019. Flood Stage is 14 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EST)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts are not available for the Stony Brook at Watchung. Only observed stages are available for this point.
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Upstream Gauge - at Princeton Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 14
Action Stage: 14
Low Stage (in feet): 0

Historic Crests
(1) 24.50 ft on 08/02/1973
(2) 20.40 ft on 07/14/1975
(3) 17.16 ft on 09/16/1999
(4) 15.27 ft on 10/19/1996
(5) 15.24 ft on 04/27/2007
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 14.29 ft on 04/30/2014
(2) 15.24 ft on 04/27/2007
(3) 12.89 ft on 08/05/2003
(4) 17.16 ft on 09/16/1999
(5) 15.27 ft on 10/19/1996
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
About This Location Collapse

Latitude: 40.636667° N, Longitude: 74.451389° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 14 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 162.24 176.74 Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

Additional Information Collapse
During winter months, cold and ice may result in inaccurate real-time stream stage and streamflow data. Adjustments or deletions of this data can only be done after detailed analysis.
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Philadelphia/Mount Holly Weather Forecast Office
732 Woodlane Road
Mount Holly, NJ 08060-9615
(609) 261-6600
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Page last modified: 1-Mar-2019 12:35 AM
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