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Hydrograph River at a Glance Download
Assunpink Creek at Clarksville Stage (ft)Flow (kcfs)Highest Observation: 3.82 ft at 4:00AM Aug 17, 2019Highest Observation: 3.82 ft at 4:15AM Aug 17, 2019Highest Observation: 3.82 ft at 4:30AM Aug 17, 2019Highest Observation: 3.82 ft at 4:45AM Aug 17, 2019Highest Observation: 3.82 ft at 5:00AM Aug 17, 2019Highest Observation: 3.82 ft at 5:15AM Aug 17, 2019Highest Observation: 3.82 ft at 5:30AM Aug 17, 2019Highest Observation: 3.82 ft at 5:45AM Aug 17, 2019Highest Observation: 3.82 ft at 6:00AM Aug 17, 2019Highest Observation: 3.82 ft at 6:15AM Aug 17, 2019Highest Observation: 3.82 ft at 6:30AM Aug 17, 2019Highest Observation: 3.82 ft at 6:45AM Aug 17, 2019Highest Observation: 3.82 ft at 7:00AM Aug 17, 2019Highest Observation: 3.82 ft at 7:15AM Aug 17, 2019Highest Observation: 3.82 ft at 7:30AM Aug 17, 2019Highest Observation: 3.82 ft at 7:45AM Aug 17, 2019Highest Observation: 3.82 ft at 8:00AM Aug 17, 2019Highest Observation: 3.82 ft at 8:15AM Aug 17, 2019Highest Observation: 3.82 ft at 8:30AM Aug 17, 2019Highest Observation: 3.82 ft at 8:45AM Aug 17, 2019Highest Observation: 3.82 ft at 9:00AM Aug 17, 2019Highest Observation: 3.82 ft at 9:15AM Aug 17, 2019Highest Observation: 3.82 ft at 9:30AM Aug 17, 2019Highest Observation: 3.82 ft at 9:45AM Aug 17, 2019Highest Observation: 3.82 ft at 10:00AM Aug 17, 2019Highest Observation: 3.82 ft at 10:15AM Aug 17, 2019Highest Observation: 3.82 ft at 10:30AM Aug 17, 2019Highest Observation: 3.82 ft at 10:45AM Aug 17, 2019Highest Observation: 3.82 ft at 11:00AM Aug 17, 2019Highest Observation: 3.82 ft at 11:15AM Aug 17, 2019Highest Observation: 3.82 ft at 11:30AM Aug 17, 2019Highest Observation: 3.82 ft at 11:45AM Aug 17, 2019Observed: 3.81 ft at 12:00PM Aug 17, 2019Highest Observation: 3.82 ft at 12:15PM Aug 17, 2019Highest Observation: 3.82 ft at 12:30PM Aug 17, 2019Highest Observation: 3.82 ft at 12:45PM Aug 17, 2019Highest Observation: 3.82 ft at 1:00PM Aug 17, 2019Observed: 3.81 ft at 1:15PM Aug 17, 2019Highest Observation: 3.82 ft at 1:30PM Aug 17, 2019Highest Observation: 3.82 ft at 1:45PM Aug 17, 2019Highest Observation: 3.82 ft at 2:00PM Aug 17, 2019Observed: 3.81 ft at 2:15PM Aug 17, 2019Highest Observation: 3.82 ft at 2:30PM Aug 17, 2019Observed: 3.81 ft at 2:45PM Aug 17, 2019Highest Observation: 3.82 ft at 3:00PM Aug 17, 2019Highest Observation: 3.82 ft at 3:15PM Aug 17, 2019Observed: 3.81 ft at 3:30PM Aug 17, 2019Observed: 3.81 ft at 3:45PM Aug 17, 2019Observed: 3.81 ft at 4:00PM Aug 17, 2019Observed: 3.81 ft at 4:15PM Aug 17, 2019Highest Observation: 3.82 ft at 4:30PM Aug 17, 2019Highest Observation: 3.82 ft at 4:45PM Aug 17, 2019Observed: 3.81 ft at 5:00PM Aug 17, 2019Observed: 3.81 ft at 5:15PM Aug 17, 2019Observed: 3.81 ft at 5:30PM Aug 17, 2019Highest Observation: 3.82 ft at 5:45PM Aug 17, 2019Observed: 3.81 ft at 6:00PM Aug 17, 2019Observed: 3.81 ft at 6:15PM Aug 17, 2019Observed: 3.81 ft at 6:30PM Aug 17, 2019Observed: 3.81 ft at 6:45PM Aug 17, 2019Observed: 3.81 ft at 7:00PM Aug 17, 2019Highest Observation: 3.82 ft at 7:15PM Aug 17, 2019Observed: 3.81 ft at 7:30PM Aug 17, 2019Observed: 3.81 ft at 7:45PM Aug 17, 2019Observed: 3.81 ft at 8:00PM Aug 17, 2019Observed: 3.81 ft at 8:15PM Aug 17, 2019Observed: 3.81 ft at 8:30PM Aug 17, 2019Observed: 3.81 ft at 8:45PM Aug 17, 2019Observed: 3.81 ft at 9:00PM Aug 17, 2019Observed: 3.81 ft at 9:15PM Aug 17, 2019Observed: 3.81 ft at 9:30PM Aug 17, 2019Observed: 3.81 ft at 9:45PM Aug 17, 2019Observed: 3.81 ft at 10:00PM Aug 17, 2019Observed: 3.81 ft at 10:15PM Aug 17, 2019Observed: 3.81 ft at 10:30PM Aug 17, 2019Highest Observation: 3.82 ft at 10:45PM Aug 17, 2019Highest Observation: 3.82 ft at 11:00PM Aug 17, 2019Highest Observation: 3.82 ft at 11:15PM Aug 17, 2019Observed: 3.81 ft at 11:30PM Aug 17, 2019Observed: 3.81 ft at 11:45PM Aug 17, 2019Highest Observation: 3.82 ft at 12:00AM Aug 18, 2019Highest Observation: 3.82 ft at 12:15AM Aug 18, 2019Observed: 3.81 ft at 12:30AM Aug 18, 2019Observed: 3.81 ft at 12:45AM Aug 18, 2019Observed: 3.81 ft at 1:00AM Aug 18, 2019Observed: 3.81 ft at 1:15AM Aug 18, 2019Observed: 3.81 ft at 1:30AM Aug 18, 2019Observed: 3.81 ft at 1:45AM Aug 18, 2019Highest Observation: 3.82 ft at 2:00AM Aug 18, 2019Highest Observation: 3.82 ft at 2:15AM Aug 18, 2019Observed: 3.81 ft at 2:30AM Aug 18, 2019Highest Observation: 3.82 ft at 2:45AM Aug 18, 2019Highest Observation: 3.82 ft at 3:00AM Aug 18, 2019Highest Observation: 3.82 ft at 3:15AM Aug 18, 2019Highest Observation: 3.82 ft at 3:30AM Aug 18, 2019Observed: 3.81 ft at 3:45AM Aug 18, 2019Highest Observation: 3.82 ft at 4:00AM Aug 18, 2019Highest Observation: 3.82 ft at 4:15AM Aug 18, 2019Highest Observation: 3.82 ft at 4:30AM Aug 18, 2019Highest Observation: 3.82 ft at 4:45AM Aug 18, 2019Highest Observation: 3.82 ft at 5:00AM Aug 18, 2019Highest Observation: 3.82 ft at 5:15AM Aug 18, 2019Highest Observation: 3.82 ft at 5:30AM Aug 18, 2019Highest Observation: 3.82 ft at 5:45AM Aug 18, 2019Highest Observation: 3.82 ft at 6:00AM Aug 18, 2019Highest Observation: 3.82 ft at 6:15AM Aug 18, 2019Highest Observation: 3.82 ft at 6:30AM Aug 18, 2019Observed: 3.81 ft at 6:45AM Aug 18, 2019Highest Observation: 3.82 ft at 7:00AM Aug 18, 2019Highest Observation: 3.82 ft at 7:15AM Aug 18, 2019Highest Observation: 3.82 ft at 7:30AM Aug 18, 2019Highest Observation: 3.82 ft at 7:45AM Aug 18, 2019Highest Observation: 3.82 ft at 8:00AM Aug 18, 2019Observed: 3.81 ft at 8:15AM Aug 18, 2019Highest Observation: 3.82 ft at 8:30AM Aug 18, 2019Highest Observation: 3.82 ft at 8:45AM Aug 18, 2019Highest Observation: 3.82 ft at 9:00AM Aug 18, 2019Highest Observation: 3.82 ft at 9:15AM Aug 18, 2019Observed: 3.81 ft at 9:30AM Aug 18, 2019Observed: 3.81 ft at 9:45AM Aug 18, 2019Observed: 3.81 ft at 10:00AM Aug 18, 2019Observed: 3.81 ft at 10:15AM Aug 18, 2019Observed: 3.81 ft at 10:30AM Aug 18, 2019Observed: 3.81 ft at 10:45AM Aug 18, 2019Observed: 3.81 ft at 11:00AM Aug 18, 2019Observed: 3.81 ft at 11:15AM Aug 18, 2019Observed: 3.81 ft at 11:30AM Aug 18, 2019Observed: 3.81 ft at 11:45AM Aug 18, 2019Observed: 3.81 ft at 12:00PM Aug 18, 2019Observed: 3.81 ft at 12:15PM Aug 18, 2019Observed: 3.81 ft at 12:30PM Aug 18, 2019Observed: 3.81 ft at 12:45PM Aug 18, 2019Observed: 3.81 ft at 1:00PM Aug 18, 2019Observed: 3.81 ft at 1:15PM Aug 18, 2019Observed: 3.81 ft at 1:30PM Aug 18, 2019Observed: 3.81 ft at 1:45PM Aug 18, 2019Observed: 3.81 ft at 2:00PM Aug 18, 2019Observed: 3.81 ft at 2:15PM Aug 18, 2019Observed: 3.81 ft at 2:30PM Aug 18, 2019Observed: 3.81 ft at 2:45PM Aug 18, 2019Observed: 3.81 ft at 3:00PM Aug 18, 2019Observed: 3.81 ft at 3:15PM Aug 18, 2019Observed: 3.81 ft at 3:30PM Aug 18, 2019Observed: 3.81 ft at 3:45PM Aug 18, 2019Observed: 3.81 ft at 4:00PM Aug 18, 2019Observed: 3.81 ft at 4:15PM Aug 18, 2019Observed: 3.81 ft at 4:30PM Aug 18, 2019Observed: 3.81 ft at 4:45PM Aug 18, 2019Observed: 3.81 ft at 5:00PM Aug 18, 2019Observed: 3.81 ft at 5:15PM Aug 18, 2019Observed: 3.8 ft at 5:30PM Aug 18, 2019Observed: 3.8 ft at 5:45PM Aug 18, 2019Observed: 3.81 ft at 6:00PM Aug 18, 2019Observed: 3.81 ft at 6:15PM Aug 18, 2019Observed: 3.8 ft at 6:30PM Aug 18, 2019Observed: 3.8 ft at 6:45PM Aug 18, 2019Observed: 3.8 ft at 7:00PM Aug 18, 2019Observed: 3.81 ft at 7:15PM Aug 18, 2019Observed: 3.81 ft at 7:30PM Aug 18, 2019Observed: 3.81 ft at 7:45PM Aug 18, 2019Observed: 3.8 ft at 8:00PM Aug 18, 2019Observed: 3.81 ft at 8:15PM Aug 18, 2019Observed: 3.81 ft at 8:30PM Aug 18, 2019Observed: 3.81 ft at 8:45PM Aug 18, 2019Observed: 3.81 ft at 9:00PM Aug 18, 2019Observed: 3.81 ft at 9:15PM Aug 18, 2019Observed: 3.81 ft at 9:30PM Aug 18, 2019Observed: 3.81 ft at 9:45PM Aug 18, 2019Observed: 3.81 ft at 10:00PM Aug 18, 2019Observed: 3.81 ft at 10:15PM Aug 18, 2019Observed: 3.81 ft at 10:30PM Aug 18, 2019Observed: 3.81 ft at 10:45PM Aug 18, 2019Observed: 3.81 ft at 11:00PM Aug 18, 2019Observed: 3.81 ft at 11:15PM Aug 18, 2019Observed: 3.81 ft at 11:30PM Aug 18, 2019Observed: 3.81 ft at 11:45PM Aug 18, 2019Observed: 3.81 ft at 12:00AM Aug 19, 2019Observed: 3.81 ft at 12:15AM Aug 19, 2019Observed: 3.81 ft at 12:30AM Aug 19, 2019Observed: 3.81 ft at 12:45AM Aug 19, 2019Observed: 3.81 ft at 1:00AM Aug 19, 2019Observed: 3.81 ft at 1:15AM Aug 19, 2019Observed: 3.81 ft at 1:30AM Aug 19, 2019Observed: 3.81 ft at 1:45AM Aug 19, 2019Observed: 3.81 ft at 2:00AM Aug 19, 2019Observed: 3.81 ft at 2:15AM Aug 19, 2019Observed: 3.81 ft at 2:30AM Aug 19, 2019Observed: 3.81 ft at 2:45AM Aug 19, 2019Observed: 3.81 ft at 3:00AM Aug 19, 2019Observed: 3.81 ft at 3:15AM Aug 19, 2019Observed: 3.81 ft at 3:30AM Aug 19, 2019Observed: 3.81 ft at 3:45AM Aug 19, 2019Observed: 3.81 ft at 4:00AM Aug 19, 2019Observed: 3.81 ft at 4:15AM Aug 19, 2019Observed: 3.81 ft at 4:30AM Aug 19, 2019Observed: 3.81 ft at 4:45AM Aug 19, 2019Observed: 3.81 ft at 5:00AM Aug 19, 2019Observed: 3.81 ft at 5:15AM Aug 19, 2019Observed: 3.81 ft at 5:30AM Aug 19, 2019Observed: 3.81 ft at 5:45AM Aug 19, 2019Observed: 3.81 ft at 6:00AM Aug 19, 2019Observed: 3.81 ft at 6:15AM Aug 19, 2019Observed: 3.81 ft at 6:30AM Aug 19, 2019Observed: 3.81 ft at 6:45AM Aug 19, 2019Observed: 3.81 ft at 7:00AM Aug 19, 2019Observed: 3.81 ft at 7:15AM Aug 19, 2019Observed: 3.81 ft at 7:30AM Aug 19, 2019Observed: 3.81 ft at 7:45AM Aug 19, 2019Observed: 3.81 ft at 8:00AM Aug 19, 2019Observed: 3.81 ft at 8:15AM Aug 19, 2019Observed: 3.8 ft at 8:30AM Aug 19, 2019Observed: 3.81 ft at 8:45AM Aug 19, 2019Observed: 3.81 ft at 9:00AM Aug 19, 2019Observed: 3.81 ft at 9:15AM Aug 19, 2019Observed: 3.81 ft at 9:30AM Aug 19, 2019Observed: 3.81 ft at 9:45AM Aug 19, 2019Observed: 3.8 ft at 10:00AM Aug 19, 2019Observed: 3.8 ft at 10:15AM Aug 19, 2019Observed: 3.8 ft at 10:30AM Aug 19, 2019Observed: 3.8 ft at 10:45AM Aug 19, 2019Observed: 3.8 ft at 11:00AM Aug 19, 2019Observed: 3.8 ft at 11:15AM Aug 19, 2019Observed: 3.8 ft at 11:30AM Aug 19, 2019Observed: 3.8 ft at 11:45AM Aug 19, 2019Observed: 3.8 ft at 12:00PM Aug 19, 2019Observed: 3.8 ft at 12:15PM Aug 19, 2019Observed: 3.8 ft at 12:30PM Aug 19, 2019Observed: 3.8 ft at 12:45PM Aug 19, 2019Observed: 3.8 ft at 1:00PM Aug 19, 2019Observed: 3.8 ft at 1:15PM Aug 19, 2019Observed: 3.8 ft at 1:30PM Aug 19, 2019Observed: 3.8 ft at 1:45PM Aug 19, 2019Observed: 3.8 ft at 2:00PM Aug 19, 2019Observed: 3.8 ft at 2:15PM Aug 19, 2019Observed: 3.8 ft at 2:30PM Aug 19, 2019Observed: 3.8 ft at 2:45PM Aug 19, 2019Observed: 3.8 ft at 3:00PM Aug 19, 2019Observed: 3.8 ft at 3:15PM Aug 19, 2019Observed: 3.8 ft at 3:30PM Aug 19, 2019Observed: 3.8 ft at 3:45PM Aug 19, 2019Observed: 3.8 ft at 4:00PM Aug 19, 2019Observed: 3.8 ft at 4:15PM Aug 19, 2019Observed: 3.8 ft at 4:30PM Aug 19, 2019Observed: 3.8 ft at 4:45PM Aug 19, 2019Observed: 3.8 ft at 5:00PM Aug 19, 2019Observed: 3.8 ft at 5:15PM Aug 19, 2019Observed: 3.8 ft at 5:30PM Aug 19, 2019Observed: 3.8 ft at 5:45PM Aug 19, 2019Observed: 3.8 ft at 6:00PM Aug 19, 2019Observed: 3.8 ft at 6:15PM Aug 19, 2019Observed: 3.8 ft at 6:30PM Aug 19, 2019Observed: 3.8 ft at 6:45PM Aug 19, 2019Observed: 3.8 ft at 7:00PM Aug 19, 2019Observed: 3.8 ft at 7:15PM Aug 19, 2019Observed: 3.8 ft at 7:30PM Aug 19, 2019Observed: 3.8 ft at 7:45PM Aug 19, 2019Observed: 3.8 ft at 8:00PM Aug 19, 2019Observed: 3.8 ft at 8:15PM Aug 19, 2019Observed: 3.8 ft at 8:30PM Aug 19, 2019Observed: 3.8 ft at 8:45PM Aug 19, 2019Observed: 3.8 ft at 9:00PM Aug 19, 2019Observed: 3.8 ft at 9:15PM Aug 19, 2019Observed: 3.8 ft at 9:30PM Aug 19, 2019Observed: 3.8 ft at 9:45PM Aug 19, 2019Observed: 3.8 ft at 10:00PM Aug 19, 2019Observed: 3.8 ft at 10:15PM Aug 19, 2019Observed: 3.8 ft at 10:30PM Aug 19, 2019Observed: 3.8 ft at 10:45PM Aug 19, 2019Observed: 3.8 ft at 11:00PM Aug 19, 2019Observed: 3.8 ft at 11:15PM Aug 19, 2019Observed: 3.8 ft at 11:30PM Aug 19, 2019Observed: 3.8 ft at 11:45PM Aug 19, 2019Observed: 3.8 ft at 12:00AM Aug 20, 2019Observed: 3.8 ft at 12:15AM Aug 20, 2019Observed: 3.8 ft at 12:30AM Aug 20, 2019Observed: 3.8 ft at 12:45AM Aug 20, 2019Observed: 3.8 ft at 1:00AM Aug 20, 2019Observed: 3.8 ft at 1:15AM Aug 20, 2019Observed: 3.8 ft at 1:30AM Aug 20, 2019Observed: 3.8 ft at 1:45AM Aug 20, 2019Observed: 3.8 ft at 2:00AM Aug 20, 2019Observed: 3.8 ft at 2:15AM Aug 20, 2019Observed: 3.8 ft at 2:30AM Aug 20, 2019Observed: 3.8 ft at 2:45AM Aug 20, 2019Observed: 3.8 ft at 3:00AM Aug 20, 2019USGS--Water Resources of the United StatesCLKN4(plotting HGIRG) Graph Created (3:47AM Aug 20, 2019)ObservedLatest observed value: 3.8 ft at 3:00 AM EDT 20-Aug-2019. Flood Stage is 8 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts are not available for the Assunpink Creek at Clarksville. Only observed stages are available for this point.
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Downstream Gauge Downstream Gauge - at Trenton
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 8
Action Stage: 7
Low Stage (in feet): -9999

Historic Crests
(1) 10.90 ft on 08/28/1971
(2) 9.74 ft on 08/29/2011
(3) 9.36 ft on 07/21/1975
(4) 9.25 ft on 04/16/2007
(5) 8.72 ft on 02/25/1979
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 9.74 ft on 08/29/2011
(2) 9.25 ft on 04/16/2007
(3) 8.72 ft on 02/25/1979
(4) 8.66 ft on 01/26/1978
(5) 9.36 ft on 07/21/1975
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
8 Carnegie Road in Hamilton floods.
7 Portions of Mercer County Park floods, including some lake trails.
About This Location Collapse

Latitude: 40.269722° N, Longitude: 74.672222° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 8 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 49.28 57.28 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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