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Hydrograph River at a Glance Download
Susquehanna River at Sunbury Stage (ft)Flow (kcfs)Observed: 8.07 ft at 6:00PM Oct 22, 2014Observed: 8.06 ft at 6:15PM Oct 22, 2014Observed: 8.05 ft at 6:30PM Oct 22, 2014Observed: 8.04 ft at 6:45PM Oct 22, 2014Observed: 8.04 ft at 7:00PM Oct 22, 2014Observed: 8.03 ft at 7:15PM Oct 22, 2014Observed: 8.03 ft at 7:30PM Oct 22, 2014Observed: 8.02 ft at 7:45PM Oct 22, 2014Observed: 8.01 ft at 8:00PM Oct 22, 2014Observed: 8.01 ft at 8:15PM Oct 22, 2014Observed: 8 ft at 8:30PM Oct 22, 2014Observed: 8 ft at 8:45PM Oct 22, 2014Observed: 8 ft at 9:00PM Oct 22, 2014Observed: 8 ft at 9:15PM Oct 22, 2014Observed: 8 ft at 9:30PM Oct 22, 2014Observed: 8 ft at 9:45PM Oct 22, 2014Observed: 7.99 ft at 10:00PM Oct 22, 2014Observed: 7.99 ft at 10:15PM Oct 22, 2014Observed: 7.98 ft at 10:30PM Oct 22, 2014Observed: 7.98 ft at 10:45PM Oct 22, 2014Observed: 7.98 ft at 11:00PM Oct 22, 2014Observed: 7.98 ft at 11:15PM Oct 22, 2014Observed: 7.98 ft at 11:30PM Oct 22, 2014Observed: 7.98 ft at 11:45PM Oct 22, 2014Observed: 7.97 ft at 12:00AM Oct 23, 2014Observed: 7.97 ft at 12:15AM Oct 23, 2014Observed: 7.97 ft at 12:30AM Oct 23, 2014Observed: 7.97 ft at 12:45AM Oct 23, 2014Observed: 7.96 ft at 1:00AM Oct 23, 2014Observed: 7.96 ft at 1:15AM Oct 23, 2014Observed: 7.96 ft at 1:30AM Oct 23, 2014Observed: 7.96 ft at 1:45AM Oct 23, 2014Observed: 7.96 ft at 2:00AM Oct 23, 2014Observed: 7.96 ft at 2:15AM Oct 23, 2014Observed: 7.96 ft at 2:30AM Oct 23, 2014Observed: 7.95 ft at 2:45AM Oct 23, 2014Observed: 7.94 ft at 3:00AM Oct 23, 2014Observed: 7.93 ft at 3:15AM Oct 23, 2014Observed: 7.93 ft at 3:30AM Oct 23, 2014Observed: 7.93 ft at 3:45AM Oct 23, 2014Observed: 7.93 ft at 4:00AM Oct 23, 2014Observed: 7.93 ft at 4:15AM Oct 23, 2014Observed: 7.93 ft at 4:30AM Oct 23, 2014Observed: 7.93 ft at 4:45AM Oct 23, 2014Observed: 7.92 ft at 5:00AM Oct 23, 2014Observed: 7.92 ft at 5:15AM Oct 23, 2014Observed: 7.92 ft at 5:30AM Oct 23, 2014Observed: 7.92 ft at 5:45AM Oct 23, 2014Observed: 7.92 ft at 6:00AM Oct 23, 2014Observed: 7.92 ft at 6:15AM Oct 23, 2014Observed: 7.91 ft at 6:30AM Oct 23, 2014Observed: 7.91 ft at 6:45AM Oct 23, 2014Observed: 7.91 ft at 7:00AM Oct 23, 2014Observed: 7.91 ft at 7:15AM Oct 23, 2014Observed: 7.9 ft at 7:30AM Oct 23, 2014Observed: 7.9 ft at 7:45AM Oct 23, 2014Observed: 7.9 ft at 8:00AM Oct 23, 2014Observed: 7.9 ft at 8:15AM Oct 23, 2014Observed: 7.89 ft at 8:30AM Oct 23, 2014Observed: 7.89 ft at 8:45AM Oct 23, 2014Observed: 7.89 ft at 9:00AM Oct 23, 2014Observed: 7.89 ft at 9:15AM Oct 23, 2014Observed: 7.89 ft at 9:30AM Oct 23, 2014Observed: 7.89 ft at 9:45AM Oct 23, 2014Observed: 7.89 ft at 10:00AM Oct 23, 2014Observed: 7.89 ft at 10:15AM Oct 23, 2014Observed: 7.89 ft at 10:30AM Oct 23, 2014Observed: 7.89 ft at 10:45AM Oct 23, 2014Observed: 7.89 ft at 11:00AM Oct 23, 2014Observed: 7.88 ft at 11:15AM Oct 23, 2014Observed: 7.88 ft at 11:30AM Oct 23, 2014Observed: 7.88 ft at 11:45AM Oct 23, 2014Observed: 7.87 ft at 12:00PM Oct 23, 2014Observed: 7.86 ft at 12:15PM Oct 23, 2014Observed: 7.85 ft at 12:30PM Oct 23, 2014Observed: 7.85 ft at 12:45PM Oct 23, 2014Observed: 7.85 ft at 1:00PM Oct 23, 2014Observed: 7.84 ft at 1:15PM Oct 23, 2014Observed: 7.83 ft at 1:30PM Oct 23, 2014Observed: 7.83 ft at 1:45PM Oct 23, 2014Observed: 7.83 ft at 2:00PM Oct 23, 2014Observed: 7.83 ft at 2:15PM Oct 23, 2014Observed: 7.84 ft at 2:30PM Oct 23, 2014Observed: 7.84 ft at 2:45PM Oct 23, 2014Observed: 7.84 ft at 3:00PM Oct 23, 2014Observed: 7.84 ft at 3:01PM Oct 23, 2014Observed: 7.84 ft at 3:15PM Oct 23, 2014Observed: 7.84 ft at 3:30PM Oct 23, 2014Observed: 7.83 ft at 3:45PM Oct 23, 2014Observed: 7.83 ft at 4:00PM Oct 23, 2014Observed: 7.82 ft at 4:15PM Oct 23, 2014Observed: 7.82 ft at 4:30PM Oct 23, 2014Observed: 7.82 ft at 4:45PM Oct 23, 2014Observed: 7.82 ft at 5:00PM Oct 23, 2014Observed: 7.82 ft at 5:15PM Oct 23, 2014Observed: 7.82 ft at 5:30PM Oct 23, 2014Observed: 7.82 ft at 5:45PM Oct 23, 2014Observed: 7.82 ft at 6:00PM Oct 23, 2014Observed: 7.82 ft at 6:15PM Oct 23, 2014Observed: 7.82 ft at 6:30PM Oct 23, 2014Observed: 7.82 ft at 6:45PM Oct 23, 2014Observed: 7.81 ft at 7:00PM Oct 23, 2014Observed: 7.81 ft at 7:15PM Oct 23, 2014Observed: 7.8 ft at 7:30PM Oct 23, 2014Observed: 7.8 ft at 7:45PM Oct 23, 2014Observed: 7.8 ft at 8:00PM Oct 23, 2014Observed: 7.79 ft at 8:15PM Oct 23, 2014Observed: 7.79 ft at 8:30PM Oct 23, 2014Observed: 7.79 ft at 8:45PM Oct 23, 2014Observed: 7.79 ft at 9:00PM Oct 23, 2014Observed: 7.79 ft at 9:15PM Oct 23, 2014Observed: 7.79 ft at 9:30PM Oct 23, 2014Observed: 7.79 ft at 9:45PM Oct 23, 2014Observed: 7.79 ft at 10:00PM Oct 23, 2014Observed: 7.79 ft at 10:15PM Oct 23, 2014Observed: 7.78 ft at 10:30PM Oct 23, 2014Observed: 7.78 ft at 10:45PM Oct 23, 2014Observed: 7.78 ft at 11:00PM Oct 23, 2014Observed: 7.78 ft at 11:15PM Oct 23, 2014Observed: 7.78 ft at 11:30PM Oct 23, 2014Observed: 7.78 ft at 11:45PM Oct 23, 2014Observed: 7.78 ft at 12:00AM Oct 24, 2014Observed: 7.77 ft at 12:15AM Oct 24, 2014Observed: 7.77 ft at 12:30AM Oct 24, 2014Observed: 7.77 ft at 12:45AM Oct 24, 2014Observed: 7.77 ft at 1:00AM Oct 24, 2014Observed: 7.78 ft at 1:15AM Oct 24, 2014Observed: 7.78 ft at 1:30AM Oct 24, 2014Observed: 7.78 ft at 1:45AM Oct 24, 2014Observed: 7.78 ft at 2:00AM Oct 24, 2014Observed: 7.79 ft at 2:15AM Oct 24, 2014Observed: 7.79 ft at 2:30AM Oct 24, 2014Observed: 7.79 ft at 2:45AM Oct 24, 2014Observed: 7.78 ft at 3:00AM Oct 24, 2014Observed: 7.78 ft at 3:15AM Oct 24, 2014Observed: 7.78 ft at 3:30AM Oct 24, 2014Observed: 7.78 ft at 3:45AM Oct 24, 2014Observed: 7.77 ft at 4:00AM Oct 24, 2014Observed: 7.77 ft at 4:15AM Oct 24, 2014Observed: 7.76 ft at 4:30AM Oct 24, 2014Observed: 7.76 ft at 4:45AM Oct 24, 2014Observed: 7.76 ft at 5:00AM Oct 24, 2014Observed: 7.76 ft at 5:15AM Oct 24, 2014Observed: 7.76 ft at 5:30AM Oct 24, 2014Observed: 7.76 ft at 5:45AM Oct 24, 2014Observed: 7.76 ft at 6:00AM Oct 24, 2014Observed: 7.76 ft at 6:15AM Oct 24, 2014Observed: 7.76 ft at 6:30AM Oct 24, 2014Observed: 7.76 ft at 6:45AM Oct 24, 2014Observed: 7.76 ft at 7:00AM Oct 24, 2014Observed: 7.76 ft at 7:15AM Oct 24, 2014Observed: 7.75 ft at 7:30AM Oct 24, 2014Observed: 7.75 ft at 7:45AM Oct 24, 2014Observed: 7.75 ft at 8:00AM Oct 24, 2014Observed: 7.75 ft at 8:15AM Oct 24, 2014Observed: 7.75 ft at 8:30AM Oct 24, 2014Observed: 7.74 ft at 8:45AM Oct 24, 2014Observed: 7.74 ft at 9:00AM Oct 24, 2014Observed: 7.73 ft at 9:15AM Oct 24, 2014Observed: 7.73 ft at 9:30AM Oct 24, 2014Observed: 7.76 ft at 9:45AM Oct 24, 2014Observed: 7.79 ft at 10:00AM Oct 24, 2014Observed: 7.8 ft at 10:15AM Oct 24, 2014Observed: 7.82 ft at 10:30AM Oct 24, 2014Observed: 7.82 ft at 10:45AM Oct 24, 2014Observed: 7.83 ft at 11:00AM Oct 24, 2014Observed: 7.83 ft at 11:15AM Oct 24, 2014Observed: 7.82 ft at 11:30AM Oct 24, 2014Observed: 7.83 ft at 11:45AM Oct 24, 2014Observed: 7.89 ft at 12:00PM Oct 24, 2014Observed: 7.93 ft at 12:15PM Oct 24, 2014Observed: 7.97 ft at 12:30PM Oct 24, 2014Observed: 8 ft at 12:45PM Oct 24, 2014Observed: 8.01 ft at 1:00PM Oct 24, 2014Observed: 8.01 ft at 1:15PM Oct 24, 2014Observed: 8.05 ft at 1:30PM Oct 24, 2014Observed: 8.08 ft at 1:45PM Oct 24, 2014Observed: 8.11 ft at 2:00PM Oct 24, 2014Observed: 8.13 ft at 2:15PM Oct 24, 2014Highest Observation: 8.14 ft at 2:30PM Oct 24, 2014Observed: 8.12 ft at 2:45PM Oct 24, 2014Observed: 8.1 ft at 3:00PM Oct 24, 2014Observed: 8.1 ft at 3:01PM Oct 24, 2014Observed: 8.08 ft at 3:15PM Oct 24, 2014Observed: 8.05 ft at 3:30PM Oct 24, 2014Observed: 8.01 ft at 3:45PM Oct 24, 2014Observed: 7.97 ft at 4:00PM Oct 24, 2014Observed: 7.94 ft at 4:15PM Oct 24, 2014Observed: 7.91 ft at 4:30PM Oct 24, 2014Observed: 7.86 ft at 4:45PM Oct 24, 2014Observed: 7.81 ft at 5:00PM Oct 24, 2014Observed: 7.78 ft at 5:15PM Oct 24, 2014Observed: 7.76 ft at 5:30PM Oct 24, 2014Observed: 7.74 ft at 5:45PM Oct 24, 2014Observed: 7.73 ft at 6:00PM Oct 24, 2014Observed: 7.72 ft at 6:15PM Oct 24, 2014Observed: 7.71 ft at 6:30PM Oct 24, 2014Observed: 7.71 ft at 6:45PM Oct 24, 2014Observed: 7.7 ft at 7:00PM Oct 24, 2014Observed: 7.7 ft at 7:15PM Oct 24, 2014Observed: 7.69 ft at 7:30PM Oct 24, 2014Observed: 7.69 ft at 7:45PM Oct 24, 2014Observed: 7.69 ft at 8:00PM Oct 24, 2014Observed: 7.69 ft at 8:15PM Oct 24, 2014Observed: 7.69 ft at 8:30PM Oct 24, 2014Observed: 7.69 ft at 8:45PM Oct 24, 2014Observed: 7.69 ft at 9:00PM Oct 24, 2014Observed: 7.68 ft at 9:15PM Oct 24, 2014Observed: 7.68 ft at 9:30PM Oct 24, 2014Observed: 7.68 ft at 9:45PM Oct 24, 2014Observed: 7.68 ft at 10:00PM Oct 24, 2014Observed: 7.68 ft at 10:15PM Oct 24, 2014Observed: 7.68 ft at 10:30PM Oct 24, 2014Observed: 7.68 ft at 10:45PM Oct 24, 2014Observed: 7.68 ft at 11:00PM Oct 24, 2014Observed: 7.68 ft at 11:15PM Oct 24, 2014Observed: 7.68 ft at 11:30PM Oct 24, 2014Observed: 7.68 ft at 11:45PM Oct 24, 2014Observed: 7.68 ft at 12:00AM Oct 25, 2014Observed: 7.68 ft at 12:15AM Oct 25, 2014Observed: 7.68 ft at 12:30AM Oct 25, 2014Observed: 7.68 ft at 12:45AM Oct 25, 2014Observed: 7.67 ft at 1:00AM Oct 25, 2014Observed: 7.67 ft at 1:15AM Oct 25, 2014Observed: 7.67 ft at 1:30AM Oct 25, 2014Observed: 7.67 ft at 1:45AM Oct 25, 2014Observed: 7.67 ft at 2:00AM Oct 25, 2014Observed: 7.67 ft at 2:15AM Oct 25, 2014Observed: 7.67 ft at 2:30AM Oct 25, 2014Observed: 7.67 ft at 2:45AM Oct 25, 2014Observed: 7.67 ft at 3:00AM Oct 25, 2014Observed: 7.66 ft at 3:15AM Oct 25, 2014Observed: 7.66 ft at 3:30AM Oct 25, 2014Observed: 7.66 ft at 3:45AM Oct 25, 2014Observed: 7.66 ft at 4:00AM Oct 25, 2014Observed: 7.66 ft at 4:15AM Oct 25, 2014Observed: 7.66 ft at 4:30AM Oct 25, 2014Observed: 7.66 ft at 4:45AM Oct 25, 2014Observed: 7.65 ft at 5:00AM Oct 25, 2014Observed: 7.65 ft at 5:15AM Oct 25, 2014Observed: 7.65 ft at 5:30AM Oct 25, 2014Observed: 7.65 ft at 5:45AM Oct 25, 2014Observed: 7.64 ft at 6:00AM Oct 25, 2014Observed: 7.64 ft at 6:15AM Oct 25, 2014Observed: 7.64 ft at 6:30AM Oct 25, 2014Observed: 7.64 ft at 6:45AM Oct 25, 2014Observed: 7.64 ft at 7:00AM Oct 25, 2014Observed: 7.64 ft at 7:15AM Oct 25, 2014Observed: 7.64 ft at 7:30AM Oct 25, 2014Observed: 7.65 ft at 7:45AM Oct 25, 2014Observed: 7.68 ft at 8:00AM Oct 25, 2014Observed: 7.72 ft at 8:15AM Oct 25, 2014Observed: 7.75 ft at 8:30AM Oct 25, 2014Observed: 7.79 ft at 8:45AM Oct 25, 2014Observed: 7.82 ft at 9:00AM Oct 25, 2014Observed: 7.84 ft at 9:15AM Oct 25, 2014Observed: 7.86 ft at 9:30AM Oct 25, 2014Observed: 7.87 ft at 9:45AM Oct 25, 2014Observed: 7.87 ft at 10:00AM Oct 25, 2014Observed: 7.87 ft at 10:15AM Oct 25, 2014Observed: 7.88 ft at 10:30AM Oct 25, 2014Observed: 7.9 ft at 10:45AM Oct 25, 2014Observed: 7.92 ft at 11:00AM Oct 25, 2014Observed: 7.93 ft at 11:15AM Oct 25, 2014Observed: 7.94 ft at 11:30AM Oct 25, 2014Observed: 7.96 ft at 11:45AM Oct 25, 2014Observed: 7.97 ft at 12:00PM Oct 25, 2014Observed: 7.99 ft at 12:15PM Oct 25, 2014Observed: 8 ft at 12:30PM Oct 25, 2014Observed: 8.01 ft at 12:45PM Oct 25, 2014Observed: 8.03 ft at 1:00PM Oct 25, 2014Observed: 8.02 ft at 1:15PM Oct 25, 2014Observed: 8 ft at 1:30PM Oct 25, 2014Observed: 7.98 ft at 1:45PM Oct 25, 2014Observed: 7.95 ft at 2:00PM Oct 25, 2014Observed: 7.93 ft at 2:15PM Oct 25, 2014Observed: 7.9 ft at 2:30PM Oct 25, 2014Observed: 7.88 ft at 2:45PM Oct 25, 2014Observed: 7.84 ft at 3:00PM Oct 25, 2014Observed: 7.82 ft at 3:15PM Oct 25, 2014Observed: 7.8 ft at 3:30PM Oct 25, 2014Observed: 7.76 ft at 3:45PM Oct 25, 2014Observed: 7.74 ft at 4:00PM Oct 25, 2014Observed: 7.71 ft at 4:15PM Oct 25, 2014Observed: 7.7 ft at 4:30PM Oct 25, 2014Observed: 7.68 ft at 4:45PM Oct 25, 2014Highest Forecast: 7.6 ft 8:00PM Oct 25, 2014Forecast: 7.5 ft 2:00AM Oct 26, 2014Forecast: 7.5 ft 8:00AM Oct 26, 2014Forecast: 7.5 ft 2:00PM Oct 26, 2014Forecast: 7.4 ft 8:00PM Oct 26, 2014Forecast: 7.4 ft 2:00AM Oct 27, 2014Forecast: 7.3 ft 8:00AM Oct 27, 2014Forecast: 7.3 ft 2:00PM Oct 27, 2014Forecast: 7.3 ft 8:00PM Oct 27, 2014Forecast: 7.3 ft 2:00AM Oct 28, 2014Forecast: 7.3 ft 8:00AM Oct 28, 2014USGS--Water Resources of the United StatesSBYP1(plotting HGIRG) Graph Created (5:47PM Oct 25, 2014)ObservedForecast (issued 9:31AM Oct 25)Latest observed value: 7.68 ft at 4:45 PM EDT 25-Oct-2014. Flood Stage is 24 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Susquehanna River at Sunbury are issued routinely year-round.
Return to Area Map
Upstream Gauge - at Danville Upstream Gauge Downstream Gauge Downstream Gauge - at Harrisburg
Flood Categories (in feet)
Major Flood Stage:34
Moderate Flood Stage:26
Flood Stage:24
Action Stage:20

Historical Crests
(1) 35.80 ft on 06/24/1972
(2) 31.66 ft on 09/09/2011
(3) 30.62 ft on 09/27/1975
(4) 30.44 ft on 09/19/2004
(5) 30.32 ft on 01/20/1996
Show More Historical Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 4.83 ft on 10/16/1971
(2) 5.16 ft on 08/06/1983
(3) 5.60 ft on 09/30/1980

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

Zoom Level:13
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
35 Widespread catastrophic flooding occurs in areas outside the flood wall and levee system. This is the design height of the flood protection works anround Sunbury.
34 Most areas adjacent to the river...which are not protected by the flood wall and levee system...are affected by high water. Catasrophic flooding occurs in some of these areas.
32 Widespread flooding occurs in areas not protected by the flood wall and levee system. Many homes and businesses are affected.
30 Widespread flooding occurs in areas not protected by the flood wall and levee system. Many homes and businesses are affected.
28 Widespread flooding occurs in areas not protected by the flood wall and levee system. Many homes and businesses are affected.
26 High water affects a number of homes and businesses in areas not protected by the flood wall and levee system.
24 Both banks overflow. Areas not protected by the flood wall and levee system are affected.
22 River interests are encouraged to monitor conditions for further rises.
20 River interests are encouraged to monitor conditions for further rises. Shilellimy State Park closed due to high water.
Photos
(1) looking upstream
(2) view of the gagehouse
(3) looking downstream
About This Location Collapse

Latitude: 40.834444° N, Longitude: 76.826944° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 24 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 29 408.6 ft 432.6 ft 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:

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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
State College Weather Forecast Office
328 Innovation Boulevard, Suite 330
State College, PA 16803
(814) 231-2408
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Page last modified: 5-Aug-2014 6:39 PM
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