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Hydrograph River at a Glance Download
Susquehanna River at Sunbury Stage (ft)Flow (kcfs)Observed: 7.44 ft at 2:45PM Aug 29, 2014Observed: 7.44 ft at 3:00PM Aug 29, 2014Observed: 7.44 ft at 3:15PM Aug 29, 2014Observed: 7.45 ft at 3:30PM Aug 29, 2014Observed: 7.46 ft at 3:45PM Aug 29, 2014Observed: 7.46 ft at 4:00PM Aug 29, 2014Highest Observation: 7.47 ft at 4:15PM Aug 29, 2014Highest Observation: 7.47 ft at 4:30PM Aug 29, 2014Highest Observation: 7.47 ft at 4:45PM Aug 29, 2014Highest Observation: 7.47 ft at 5:00PM Aug 29, 2014Highest Observation: 7.47 ft at 5:15PM Aug 29, 2014Highest Observation: 7.47 ft at 5:30PM Aug 29, 2014Highest Observation: 7.47 ft at 5:45PM Aug 29, 2014Highest Observation: 7.47 ft at 6:00PM Aug 29, 2014Highest Observation: 7.47 ft at 6:15PM Aug 29, 2014Highest Observation: 7.47 ft at 6:30PM Aug 29, 2014Highest Observation: 7.47 ft at 6:45PM Aug 29, 2014Highest Observation: 7.47 ft at 7:00PM Aug 29, 2014Highest Observation: 7.47 ft at 7:15PM Aug 29, 2014Observed: 7.46 ft at 7:30PM Aug 29, 2014Observed: 7.45 ft at 7:45PM Aug 29, 2014Observed: 7.44 ft at 8:00PM Aug 29, 2014Observed: 7.44 ft at 8:15PM Aug 29, 2014Observed: 7.43 ft at 8:30PM Aug 29, 2014Observed: 7.43 ft at 8:45PM Aug 29, 2014Observed: 7.43 ft at 9:00PM Aug 29, 2014Observed: 7.44 ft at 9:15PM Aug 29, 2014Observed: 7.44 ft at 9:30PM Aug 29, 2014Observed: 7.43 ft at 9:45PM Aug 29, 2014Observed: 7.43 ft at 10:00PM Aug 29, 2014Observed: 7.43 ft at 10:15PM Aug 29, 2014Observed: 7.43 ft at 10:30PM Aug 29, 2014Observed: 7.42 ft at 10:45PM Aug 29, 2014Observed: 7.42 ft at 11:00PM Aug 29, 2014Observed: 7.41 ft at 11:15PM Aug 29, 2014Observed: 7.41 ft at 11:30PM Aug 29, 2014Observed: 7.4 ft at 11:45PM Aug 29, 2014Observed: 7.4 ft at 12:00AM Aug 30, 2014Observed: 7.4 ft at 12:15AM Aug 30, 2014Observed: 7.39 ft at 12:30AM Aug 30, 2014Observed: 7.39 ft at 12:45AM Aug 30, 2014Observed: 7.39 ft at 1:00AM Aug 30, 2014Observed: 7.4 ft at 1:15AM Aug 30, 2014Observed: 7.39 ft at 1:30AM Aug 30, 2014Observed: 7.39 ft at 1:45AM Aug 30, 2014Observed: 7.39 ft at 2:00AM Aug 30, 2014Observed: 7.38 ft at 2:15AM Aug 30, 2014Observed: 7.38 ft at 2:30AM Aug 30, 2014Observed: 7.38 ft at 2:45AM Aug 30, 2014Observed: 7.37 ft at 3:00AM Aug 30, 2014Observed: 7.37 ft at 3:15AM Aug 30, 2014Observed: 7.36 ft at 3:30AM Aug 30, 2014Observed: 7.36 ft at 3:45AM Aug 30, 2014Observed: 7.35 ft at 4:00AM Aug 30, 2014Observed: 7.35 ft at 4:15AM Aug 30, 2014Observed: 7.34 ft at 4:30AM Aug 30, 2014Observed: 7.34 ft at 4:45AM Aug 30, 2014Observed: 7.34 ft at 5:00AM Aug 30, 2014Observed: 7.34 ft at 5:15AM Aug 30, 2014Observed: 7.34 ft at 5:30AM Aug 30, 2014Observed: 7.34 ft at 5:45AM Aug 30, 2014Observed: 7.34 ft at 6:00AM Aug 30, 2014Observed: 7.34 ft at 6:15AM Aug 30, 2014Observed: 7.34 ft at 6:30AM Aug 30, 2014Observed: 7.33 ft at 6:45AM Aug 30, 2014Observed: 7.32 ft at 7:00AM Aug 30, 2014Observed: 7.31 ft at 7:15AM Aug 30, 2014Observed: 7.31 ft at 7:30AM Aug 30, 2014Observed: 7.3 ft at 7:45AM Aug 30, 2014Observed: 7.3 ft at 8:00AM Aug 30, 2014Observed: 7.3 ft at 8:15AM Aug 30, 2014Observed: 7.3 ft at 8:30AM Aug 30, 2014Observed: 7.3 ft at 8:45AM Aug 30, 2014Observed: 7.3 ft at 9:00AM Aug 30, 2014Observed: 7.29 ft at 9:15AM Aug 30, 2014Observed: 7.26 ft at 9:30AM Aug 30, 2014Observed: 7.24 ft at 9:45AM Aug 30, 2014Observed: 7.22 ft at 10:00AM Aug 30, 2014Observed: 7.21 ft at 10:15AM Aug 30, 2014Observed: 7.21 ft at 10:30AM Aug 30, 2014Observed: 7.21 ft at 10:45AM Aug 30, 2014Observed: 7.21 ft at 11:00AM Aug 30, 2014Observed: 7.21 ft at 11:15AM Aug 30, 2014Observed: 7.21 ft at 11:30AM Aug 30, 2014Observed: 7.2 ft at 11:45AM Aug 30, 2014Observed: 7.2 ft at 12:00PM Aug 30, 2014Observed: 7.2 ft at 12:15PM Aug 30, 2014Observed: 7.2 ft at 12:30PM Aug 30, 2014Observed: 7.21 ft at 12:45PM Aug 30, 2014Observed: 7.21 ft at 1:00PM Aug 30, 2014Observed: 7.21 ft at 1:15PM Aug 30, 2014Observed: 7.21 ft at 1:30PM Aug 30, 2014Observed: 7.21 ft at 1:45PM Aug 30, 2014Observed: 7.21 ft at 1:46PM Aug 30, 2014Observed: 7.22 ft at 2:00PM Aug 30, 2014Observed: 7.22 ft at 2:15PM Aug 30, 2014Observed: 7.2 ft at 2:30PM Aug 30, 2014Observed: 7.18 ft at 2:45PM Aug 30, 2014Observed: 7.16 ft at 3:00PM Aug 30, 2014Observed: 7.15 ft at 3:15PM Aug 30, 2014Observed: 7.14 ft at 3:30PM Aug 30, 2014Observed: 7.14 ft at 3:45PM Aug 30, 2014Observed: 7.14 ft at 4:00PM Aug 30, 2014Observed: 7.15 ft at 4:15PM Aug 30, 2014Observed: 7.16 ft at 4:30PM Aug 30, 2014Observed: 7.16 ft at 4:45PM Aug 30, 2014Observed: 7.16 ft at 5:00PM Aug 30, 2014Observed: 7.17 ft at 5:15PM Aug 30, 2014Observed: 7.17 ft at 5:30PM Aug 30, 2014Observed: 7.18 ft at 5:45PM Aug 30, 2014Observed: 7.18 ft at 6:00PM Aug 30, 2014Observed: 7.18 ft at 6:15PM Aug 30, 2014Observed: 7.18 ft at 6:30PM Aug 30, 2014Observed: 7.19 ft at 6:45PM Aug 30, 2014Observed: 7.19 ft at 7:00PM Aug 30, 2014Observed: 7.19 ft at 7:15PM Aug 30, 2014Observed: 7.19 ft at 7:30PM Aug 30, 2014Observed: 7.19 ft at 7:45PM Aug 30, 2014Observed: 7.19 ft at 8:00PM Aug 30, 2014Observed: 7.19 ft at 8:15PM Aug 30, 2014Observed: 7.19 ft at 8:30PM Aug 30, 2014Observed: 7.18 ft at 8:45PM Aug 30, 2014Observed: 7.18 ft at 9:00PM Aug 30, 2014Observed: 7.18 ft at 9:15PM Aug 30, 2014Observed: 7.18 ft at 9:30PM Aug 30, 2014Observed: 7.18 ft at 9:45PM Aug 30, 2014Observed: 7.18 ft at 10:00PM Aug 30, 2014Observed: 7.18 ft at 10:15PM Aug 30, 2014Observed: 7.17 ft at 10:30PM Aug 30, 2014Observed: 7.17 ft at 10:45PM Aug 30, 2014Observed: 7.17 ft at 11:00PM Aug 30, 2014Observed: 7.17 ft at 11:15PM Aug 30, 2014Observed: 7.17 ft at 11:30PM Aug 30, 2014Observed: 7.17 ft at 11:45PM Aug 30, 2014Observed: 7.17 ft at 12:00AM Aug 31, 2014Observed: 7.17 ft at 12:15AM Aug 31, 2014Observed: 7.17 ft at 12:30AM Aug 31, 2014Observed: 7.16 ft at 12:45AM Aug 31, 2014Observed: 7.16 ft at 1:00AM Aug 31, 2014Observed: 7.16 ft at 1:15AM Aug 31, 2014Observed: 7.15 ft at 1:30AM Aug 31, 2014Observed: 7.15 ft at 1:45AM Aug 31, 2014Observed: 7.15 ft at 2:00AM Aug 31, 2014Observed: 7.15 ft at 2:15AM Aug 31, 2014Observed: 7.15 ft at 2:30AM Aug 31, 2014Observed: 7.14 ft at 2:45AM Aug 31, 2014Observed: 7.14 ft at 3:00AM Aug 31, 2014Observed: 7.14 ft at 3:15AM Aug 31, 2014Observed: 7.13 ft at 3:30AM Aug 31, 2014Observed: 7.13 ft at 3:45AM Aug 31, 2014Observed: 7.13 ft at 4:00AM Aug 31, 2014Observed: 7.13 ft at 4:15AM Aug 31, 2014Observed: 7.13 ft at 4:30AM Aug 31, 2014Observed: 7.12 ft at 4:45AM Aug 31, 2014Observed: 7.12 ft at 5:00AM Aug 31, 2014Observed: 7.12 ft at 5:15AM Aug 31, 2014Observed: 7.11 ft at 5:30AM Aug 31, 2014Observed: 7.11 ft at 5:45AM Aug 31, 2014Observed: 7.11 ft at 6:00AM Aug 31, 2014Observed: 7.11 ft at 6:15AM Aug 31, 2014Observed: 7.11 ft at 6:30AM Aug 31, 2014Observed: 7.1 ft at 6:45AM Aug 31, 2014Observed: 7.1 ft at 7:00AM Aug 31, 2014Observed: 7.1 ft at 7:15AM Aug 31, 2014Observed: 7.1 ft at 7:30AM Aug 31, 2014Observed: 7.1 ft at 7:45AM Aug 31, 2014Observed: 7.1 ft at 8:00AM Aug 31, 2014Observed: 7.1 ft at 8:15AM Aug 31, 2014Observed: 7.09 ft at 8:30AM Aug 31, 2014Observed: 7.08 ft at 8:45AM Aug 31, 2014Observed: 7.08 ft at 9:00AM Aug 31, 2014Observed: 7.07 ft at 9:15AM Aug 31, 2014Observed: 7.06 ft at 9:30AM Aug 31, 2014Observed: 7.04 ft at 9:45AM Aug 31, 2014Observed: 7.02 ft at 10:00AM Aug 31, 2014Observed: 7 ft at 10:15AM Aug 31, 2014Observed: 6.99 ft at 10:30AM Aug 31, 2014Observed: 6.99 ft at 10:45AM Aug 31, 2014Observed: 6.99 ft at 11:00AM Aug 31, 2014Observed: 6.99 ft at 11:15AM Aug 31, 2014Observed: 7 ft at 11:30AM Aug 31, 2014Observed: 7.01 ft at 11:45AM Aug 31, 2014Observed: 7.01 ft at 12:00PM Aug 31, 2014Observed: 7.01 ft at 12:15PM Aug 31, 2014Observed: 7.02 ft at 12:30PM Aug 31, 2014Observed: 7.02 ft at 12:45PM Aug 31, 2014Observed: 7.03 ft at 1:00PM Aug 31, 2014Observed: 7.03 ft at 1:15PM Aug 31, 2014Observed: 7.03 ft at 1:30PM Aug 31, 2014Observed: 7.04 ft at 1:45PM Aug 31, 2014Observed: 7.04 ft at 1:46PM Aug 31, 2014Observed: 7.04 ft at 2:00PM Aug 31, 2014Observed: 7.05 ft at 2:15PM Aug 31, 2014Observed: 7.05 ft at 2:30PM Aug 31, 2014Observed: 7.04 ft at 2:45PM Aug 31, 2014Observed: 7.03 ft at 3:00PM Aug 31, 2014Observed: 7.01 ft at 3:15PM Aug 31, 2014Observed: 6.99 ft at 3:30PM Aug 31, 2014Observed: 6.98 ft at 3:45PM Aug 31, 2014Observed: 6.97 ft at 4:00PM Aug 31, 2014Observed: 6.97 ft at 4:15PM Aug 31, 2014Observed: 6.97 ft at 4:30PM Aug 31, 2014Observed: 6.97 ft at 4:45PM Aug 31, 2014Observed: 6.98 ft at 5:00PM Aug 31, 2014Observed: 6.98 ft at 5:15PM Aug 31, 2014Observed: 6.99 ft at 5:30PM Aug 31, 2014Observed: 7 ft at 5:45PM Aug 31, 2014Observed: 7 ft at 6:00PM Aug 31, 2014Observed: 7.01 ft at 6:15PM Aug 31, 2014Observed: 7.01 ft at 6:30PM Aug 31, 2014Observed: 7.02 ft at 6:45PM Aug 31, 2014Observed: 7.02 ft at 7:00PM Aug 31, 2014Observed: 7.02 ft at 7:15PM Aug 31, 2014Observed: 7.02 ft at 7:30PM Aug 31, 2014Observed: 7.01 ft at 7:45PM Aug 31, 2014Observed: 7.01 ft at 8:00PM Aug 31, 2014Observed: 7.02 ft at 8:15PM Aug 31, 2014Observed: 7.02 ft at 8:30PM Aug 31, 2014Observed: 7.02 ft at 8:45PM Aug 31, 2014Observed: 7.01 ft at 9:00PM Aug 31, 2014Observed: 7.01 ft at 9:15PM Aug 31, 2014Observed: 7.01 ft at 9:30PM Aug 31, 2014Observed: 7.01 ft at 9:45PM Aug 31, 2014Observed: 7 ft at 10:00PM Aug 31, 2014Observed: 7 ft at 10:15PM Aug 31, 2014Observed: 7 ft at 10:30PM Aug 31, 2014Observed: 7 ft at 10:45PM Aug 31, 2014Observed: 7 ft at 11:00PM Aug 31, 2014Observed: 7 ft at 11:15PM Aug 31, 2014Observed: 7 ft at 11:30PM Aug 31, 2014Observed: 7.01 ft at 11:45PM Aug 31, 2014Observed: 7.01 ft at 12:00AM Sep 01, 2014Observed: 7.01 ft at 12:15AM Sep 01, 2014Observed: 7.01 ft at 12:30AM Sep 01, 2014Observed: 7 ft at 12:45AM Sep 01, 2014Observed: 7 ft at 1:00AM Sep 01, 2014Observed: 7 ft at 1:15AM Sep 01, 2014Observed: 7 ft at 1:30AM Sep 01, 2014Observed: 7 ft at 1:45AM Sep 01, 2014Observed: 7 ft at 2:00AM Sep 01, 2014Observed: 7 ft at 2:15AM Sep 01, 2014Observed: 7 ft at 2:30AM Sep 01, 2014Observed: 7.01 ft at 2:45AM Sep 01, 2014Observed: 7.01 ft at 3:00AM Sep 01, 2014Observed: 7.01 ft at 3:15AM Sep 01, 2014Observed: 7.01 ft at 3:30AM Sep 01, 2014Observed: 7.01 ft at 3:45AM Sep 01, 2014Observed: 7 ft at 4:00AM Sep 01, 2014Observed: 7 ft at 4:15AM Sep 01, 2014Observed: 7 ft at 4:30AM Sep 01, 2014Observed: 7 ft at 4:45AM Sep 01, 2014Observed: 7 ft at 5:00AM Sep 01, 2014Observed: 7 ft at 5:15AM Sep 01, 2014Observed: 7 ft at 5:30AM Sep 01, 2014Observed: 7 ft at 5:45AM Sep 01, 2014Observed: 7 ft at 6:00AM Sep 01, 2014Observed: 7 ft at 6:15AM Sep 01, 2014Observed: 7 ft at 6:30AM Sep 01, 2014Observed: 7 ft at 6:45AM Sep 01, 2014Observed: 7 ft at 7:00AM Sep 01, 2014Observed: 7 ft at 7:15AM Sep 01, 2014Observed: 7 ft at 7:30AM Sep 01, 2014Observed: 7 ft at 7:45AM Sep 01, 2014Observed: 7 ft at 8:00AM Sep 01, 2014Observed: 6.99 ft at 8:15AM Sep 01, 2014Observed: 7 ft at 8:30AM Sep 01, 2014Observed: 7 ft at 8:45AM Sep 01, 2014Observed: 7 ft at 9:00AM Sep 01, 2014Observed: 7 ft at 9:15AM Sep 01, 2014Observed: 7 ft at 9:30AM Sep 01, 2014Observed: 7 ft at 9:45AM Sep 01, 2014Observed: 6.99 ft at 10:00AM Sep 01, 2014Observed: 6.99 ft at 10:15AM Sep 01, 2014Observed: 6.99 ft at 10:30AM Sep 01, 2014Observed: 6.99 ft at 10:45AM Sep 01, 2014Observed: 6.99 ft at 11:00AM Sep 01, 2014Observed: 6.99 ft at 11:15AM Sep 01, 2014Observed: 6.99 ft at 11:30AM Sep 01, 2014Observed: 6.98 ft at 11:45AM Sep 01, 2014Observed: 6.98 ft at 12:00PM Sep 01, 2014Observed: 6.97 ft at 12:15PM Sep 01, 2014Observed: 6.97 ft at 12:30PM Sep 01, 2014Observed: 6.97 ft at 12:45PM Sep 01, 2014Observed: 6.97 ft at 1:00PM Sep 01, 2014Observed: 6.97 ft at 1:15PM Sep 01, 2014Observed: 6.97 ft at 1:30PM Sep 01, 2014Observed: 6.97 ft at 1:45PM Sep 01, 2014Observed: 6.97 ft at 1:46PM Sep 01, 2014Forecast: 7 ft 8:00PM Sep 01, 2014Forecast: 7 ft 2:00AM Sep 02, 2014Forecast: 6.9 ft 8:00AM Sep 02, 2014Forecast: 6.9 ft 2:00PM Sep 02, 2014Forecast: 7 ft 8:00PM Sep 02, 2014Forecast: 7 ft 2:00AM Sep 03, 2014Forecast: 7.1 ft 8:00AM Sep 03, 2014Highest Forecast: 7.2 ft 2:00PM Sep 03, 2014Highest Forecast: 7.2 ft 8:00PM Sep 03, 2014Forecast: 7.1 ft 2:00AM Sep 04, 2014Forecast: 7.1 ft 8:00AM Sep 04, 2014USGS--Water Resources of the United StatesSBYP1(plotting HGIRG) Graph Created (2:32PM Sep 1, 2014)ObservedForecast (issued 9:31AM Sep 1)Latest observed value: 6.97 ft at 1:46 PM EDT 1-Sep-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.
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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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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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