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Susquehanna River at Sunbury Stage (ft)Flow (kcfs)Highest Observation: 7.12 ft at 10:45PM Jun 30, 2020Highest Observation: 7.12 ft at 11:00PM Jun 30, 2020Highest Observation: 7.12 ft at 11:15PM Jun 30, 2020Highest Observation: 7.12 ft at 11:30PM Jun 30, 2020Highest Observation: 7.12 ft at 11:45PM Jun 30, 2020Highest Observation: 7.12 ft at 12:00AM Jul 01, 2020Highest Observation: 7.12 ft at 12:15AM Jul 01, 2020Highest Observation: 7.12 ft at 12:30AM Jul 01, 2020Highest Observation: 7.12 ft at 12:45AM Jul 01, 2020Observed: 7.11 ft at 1:00AM Jul 01, 2020Observed: 7.11 ft at 1:15AM Jul 01, 2020Observed: 7.11 ft at 1:30AM Jul 01, 2020Observed: 7.11 ft at 1:45AM Jul 01, 2020Observed: 7.11 ft at 2:00AM Jul 01, 2020Observed: 7.11 ft at 2:15AM Jul 01, 2020Observed: 7.11 ft at 2:30AM Jul 01, 2020Observed: 7.11 ft at 2:45AM Jul 01, 2020Observed: 7.11 ft at 3:00AM Jul 01, 2020Observed: 7.11 ft at 3:15AM Jul 01, 2020Observed: 7.11 ft at 3:30AM Jul 01, 2020Observed: 7.11 ft at 3:45AM Jul 01, 2020Observed: 7.11 ft at 4:00AM Jul 01, 2020Observed: 7.11 ft at 4:15AM Jul 01, 2020Observed: 7.1 ft at 4:30AM Jul 01, 2020Observed: 7.1 ft at 4:45AM Jul 01, 2020Observed: 7.1 ft at 5:00AM Jul 01, 2020Observed: 7.1 ft at 5:15AM Jul 01, 2020Observed: 7.1 ft at 5:30AM Jul 01, 2020Observed: 7.1 ft at 5:45AM Jul 01, 2020Observed: 7.1 ft at 6:00AM Jul 01, 2020Observed: 7.1 ft at 6:15AM Jul 01, 2020Observed: 7.1 ft at 6:30AM Jul 01, 2020Observed: 7.1 ft at 6:45AM Jul 01, 2020Observed: 7.1 ft at 7:00AM Jul 01, 2020Observed: 7.1 ft at 7:15AM Jul 01, 2020Observed: 7.11 ft at 7:30AM Jul 01, 2020Observed: 7.11 ft at 7:45AM Jul 01, 2020Observed: 7.11 ft at 8:00AM Jul 01, 2020Observed: 7.11 ft at 8:15AM Jul 01, 2020Highest Observation: 7.12 ft at 8:30AM Jul 01, 2020Highest Observation: 7.12 ft at 8:45AM Jul 01, 2020Highest Observation: 7.12 ft at 9:00AM Jul 01, 2020Highest Observation: 7.12 ft at 9:15AM Jul 01, 2020Highest Observation: 7.12 ft at 9:30AM Jul 01, 2020Highest Observation: 7.12 ft at 9:45AM Jul 01, 2020Highest Observation: 7.12 ft at 10:00AM Jul 01, 2020Highest Observation: 7.12 ft at 10:15AM Jul 01, 2020Highest Observation: 7.12 ft at 10:30AM Jul 01, 2020Highest Observation: 7.12 ft at 10:45AM Jul 01, 2020Highest Observation: 7.12 ft at 11:00AM Jul 01, 2020Observed: 7.11 ft at 11:15AM Jul 01, 2020Observed: 7.11 ft at 11:30AM Jul 01, 2020Observed: 7.11 ft at 11:45AM Jul 01, 2020Highest Observation: 7.12 ft at 12:00PM Jul 01, 2020Observed: 7.11 ft at 12:15PM Jul 01, 2020Observed: 7.11 ft at 12:30PM Jul 01, 2020Observed: 7.11 ft at 12:45PM Jul 01, 2020Observed: 7.11 ft at 1:00PM Jul 01, 2020Observed: 7.1 ft at 1:15PM Jul 01, 2020Observed: 7.1 ft at 1:30PM Jul 01, 2020Observed: 7.1 ft at 1:45PM Jul 01, 2020Observed: 7.09 ft at 2:00PM Jul 01, 2020Observed: 7.09 ft at 2:15PM Jul 01, 2020Observed: 7.09 ft at 2:30PM Jul 01, 2020Observed: 7.1 ft at 2:45PM Jul 01, 2020Observed: 7.09 ft at 3:00PM Jul 01, 2020Observed: 7.09 ft at 3:15PM Jul 01, 2020Observed: 7.09 ft at 3:30PM Jul 01, 2020Observed: 7.09 ft at 3:45PM Jul 01, 2020Observed: 7.09 ft at 4:00PM Jul 01, 2020Observed: 7.09 ft at 4:15PM Jul 01, 2020Observed: 7.09 ft at 4:30PM Jul 01, 2020Observed: 7.09 ft at 4:45PM Jul 01, 2020Observed: 7.09 ft at 5:00PM Jul 01, 2020Observed: 7.08 ft at 5:15PM Jul 01, 2020Observed: 7.08 ft at 5:30PM Jul 01, 2020Observed: 7.07 ft at 5:45PM Jul 01, 2020Observed: 7.07 ft at 6:00PM Jul 01, 2020Observed: 7.06 ft at 6:15PM Jul 01, 2020Observed: 7.06 ft at 6:30PM Jul 01, 2020Observed: 7.06 ft at 6:45PM Jul 01, 2020Observed: 7.05 ft at 7:00PM Jul 01, 2020Observed: 7.05 ft at 7:15PM Jul 01, 2020Observed: 7.04 ft at 7:30PM Jul 01, 2020Observed: 7.04 ft at 7:45PM Jul 01, 2020Observed: 7.04 ft at 8:00PM Jul 01, 2020Observed: 7.04 ft at 8:15PM Jul 01, 2020Observed: 7.04 ft at 8:30PM Jul 01, 2020Observed: 7.04 ft at 8:45PM Jul 01, 2020Observed: 7.04 ft at 9:00PM Jul 01, 2020Observed: 7.04 ft at 9:15PM Jul 01, 2020Observed: 7.04 ft at 9:30PM Jul 01, 2020Observed: 7.04 ft at 9:45PM Jul 01, 2020Observed: 7.04 ft at 10:00PM Jul 01, 2020Observed: 7.04 ft at 10:15PM Jul 01, 2020Observed: 7.04 ft at 10:30PM Jul 01, 2020Observed: 7.04 ft at 10:45PM Jul 01, 2020Observed: 7.03 ft at 11:00PM Jul 01, 2020Observed: 7.03 ft at 11:15PM Jul 01, 2020Observed: 7.02 ft at 11:30PM Jul 01, 2020Observed: 7.02 ft at 11:45PM Jul 01, 2020Observed: 7.02 ft at 12:00AM Jul 02, 2020Observed: 7.03 ft at 12:15AM Jul 02, 2020Observed: 7.02 ft at 12:30AM Jul 02, 2020Observed: 7.02 ft at 12:45AM Jul 02, 2020Observed: 7.02 ft at 1:00AM Jul 02, 2020Observed: 7.02 ft at 1:15AM Jul 02, 2020Observed: 7.02 ft at 1:30AM Jul 02, 2020Observed: 7.01 ft at 1:45AM Jul 02, 2020Observed: 7.01 ft at 2:00AM Jul 02, 2020Observed: 7.01 ft at 2:15AM Jul 02, 2020Observed: 7.01 ft at 2:30AM Jul 02, 2020Observed: 7 ft at 2:45AM Jul 02, 2020Observed: 7 ft at 3:00AM Jul 02, 2020Observed: 7 ft at 3:15AM Jul 02, 2020Observed: 7 ft at 3:30AM Jul 02, 2020Observed: 7 ft at 3:45AM Jul 02, 2020Observed: 6.99 ft at 4:00AM Jul 02, 2020Observed: 6.99 ft at 4:15AM Jul 02, 2020Observed: 6.99 ft at 4:30AM Jul 02, 2020Observed: 6.99 ft at 4:45AM Jul 02, 2020Observed: 6.99 ft at 5:00AM Jul 02, 2020Observed: 6.99 ft at 5:15AM Jul 02, 2020Observed: 6.99 ft at 5:30AM Jul 02, 2020Observed: 6.99 ft at 5:45AM Jul 02, 2020Observed: 6.99 ft at 6:00AM Jul 02, 2020Observed: 6.99 ft at 6:15AM Jul 02, 2020Observed: 6.99 ft at 6:30AM Jul 02, 2020Observed: 6.99 ft at 6:45AM Jul 02, 2020Observed: 6.99 ft at 7:00AM Jul 02, 2020Observed: 6.99 ft at 7:15AM Jul 02, 2020Observed: 6.99 ft at 7:30AM Jul 02, 2020Observed: 6.99 ft at 7:45AM Jul 02, 2020Observed: 6.98 ft at 8:00AM Jul 02, 2020Observed: 6.98 ft at 8:15AM Jul 02, 2020Observed: 6.97 ft at 8:30AM Jul 02, 2020Observed: 6.97 ft at 8:45AM Jul 02, 2020Observed: 6.97 ft at 9:00AM Jul 02, 2020Observed: 6.97 ft at 9:15AM Jul 02, 2020Observed: 6.97 ft at 9:30AM Jul 02, 2020Observed: 6.97 ft at 9:45AM Jul 02, 2020Observed: 6.97 ft at 10:00AM Jul 02, 2020Observed: 6.97 ft at 10:15AM Jul 02, 2020Observed: 6.97 ft at 10:30AM Jul 02, 2020Observed: 6.97 ft at 10:45AM Jul 02, 2020Observed: 6.97 ft at 11:00AM Jul 02, 2020Observed: 6.97 ft at 11:15AM Jul 02, 2020Observed: 6.98 ft at 11:30AM Jul 02, 2020Observed: 6.98 ft at 11:45AM Jul 02, 2020Observed: 6.98 ft at 12:00PM Jul 02, 2020Observed: 6.97 ft at 12:15PM Jul 02, 2020Observed: 6.97 ft at 12:30PM Jul 02, 2020Observed: 6.97 ft at 12:45PM Jul 02, 2020Observed: 6.97 ft at 1:00PM Jul 02, 2020Observed: 6.97 ft at 1:15PM Jul 02, 2020Observed: 6.97 ft at 1:30PM Jul 02, 2020Observed: 6.96 ft at 1:45PM Jul 02, 2020Observed: 6.96 ft at 2:00PM Jul 02, 2020Observed: 6.96 ft at 2:15PM Jul 02, 2020Observed: 6.96 ft at 2:30PM Jul 02, 2020Observed: 6.95 ft at 2:45PM Jul 02, 2020Observed: 6.95 ft at 3:00PM Jul 02, 2020Observed: 6.95 ft at 3:15PM Jul 02, 2020Observed: 6.95 ft at 3:30PM Jul 02, 2020Observed: 6.95 ft at 3:45PM Jul 02, 2020Observed: 6.94 ft at 4:00PM Jul 02, 2020Observed: 6.94 ft at 4:15PM Jul 02, 2020Observed: 6.93 ft at 4:30PM Jul 02, 2020Observed: 6.93 ft at 4:45PM Jul 02, 2020Observed: 6.93 ft at 5:00PM Jul 02, 2020Observed: 6.93 ft at 5:15PM Jul 02, 2020Observed: 6.92 ft at 5:30PM Jul 02, 2020Observed: 6.92 ft at 5:45PM Jul 02, 2020Observed: 6.92 ft at 6:00PM Jul 02, 2020Observed: 6.91 ft at 6:15PM Jul 02, 2020Observed: 6.91 ft at 6:30PM Jul 02, 2020Observed: 6.91 ft at 6:45PM Jul 02, 2020Observed: 6.91 ft at 7:00PM Jul 02, 2020Observed: 6.91 ft at 7:15PM Jul 02, 2020Observed: 6.92 ft at 7:30PM Jul 02, 2020Observed: 6.92 ft at 7:45PM Jul 02, 2020Observed: 6.92 ft at 8:00PM Jul 02, 2020Observed: 6.91 ft at 8:15PM Jul 02, 2020Observed: 6.91 ft at 8:30PM Jul 02, 2020Observed: 6.91 ft at 8:45PM Jul 02, 2020Observed: 6.91 ft at 9:00PM Jul 02, 2020Observed: 6.9 ft at 9:15PM Jul 02, 2020Observed: 6.9 ft at 9:30PM Jul 02, 2020Observed: 6.9 ft at 9:45PM Jul 02, 2020Observed: 6.9 ft at 10:00PM Jul 02, 2020Observed: 6.9 ft at 10:15PM Jul 02, 2020Observed: 6.9 ft at 10:30PM Jul 02, 2020Observed: 6.9 ft at 10:45PM Jul 02, 2020Observed: 6.9 ft at 11:00PM Jul 02, 2020Observed: 6.91 ft at 11:15PM Jul 02, 2020Observed: 6.91 ft at 11:30PM Jul 02, 2020Observed: 6.91 ft at 11:45PM Jul 02, 2020Observed: 6.91 ft at 12:00AM Jul 03, 2020Observed: 6.91 ft at 12:15AM Jul 03, 2020Observed: 6.91 ft at 12:30AM Jul 03, 2020Observed: 6.91 ft at 12:45AM Jul 03, 2020Observed: 6.91 ft at 1:00AM Jul 03, 2020Observed: 6.91 ft at 1:15AM Jul 03, 2020Observed: 6.91 ft at 1:30AM Jul 03, 2020Observed: 6.91 ft at 1:45AM Jul 03, 2020Observed: 6.9 ft at 2:00AM Jul 03, 2020Observed: 6.9 ft at 2:15AM Jul 03, 2020Observed: 6.9 ft at 2:30AM Jul 03, 2020Observed: 6.89 ft at 2:45AM Jul 03, 2020Observed: 6.89 ft at 3:00AM Jul 03, 2020Observed: 6.89 ft at 3:15AM Jul 03, 2020Observed: 6.89 ft at 3:30AM Jul 03, 2020Observed: 6.89 ft at 3:45AM Jul 03, 2020Observed: 6.89 ft at 4:00AM Jul 03, 2020Observed: 6.89 ft at 4:15AM Jul 03, 2020Observed: 6.89 ft at 4:30AM Jul 03, 2020Observed: 6.88 ft at 4:45AM Jul 03, 2020Observed: 6.88 ft at 5:00AM Jul 03, 2020Observed: 6.88 ft at 5:15AM Jul 03, 2020Observed: 6.88 ft at 5:30AM Jul 03, 2020Observed: 6.88 ft at 5:45AM Jul 03, 2020Observed: 6.88 ft at 6:00AM Jul 03, 2020Observed: 6.88 ft at 6:15AM Jul 03, 2020Observed: 6.88 ft at 6:30AM Jul 03, 2020Observed: 6.87 ft at 6:45AM Jul 03, 2020Observed: 6.87 ft at 7:00AM Jul 03, 2020Observed: 6.86 ft at 7:15AM Jul 03, 2020Observed: 6.86 ft at 7:30AM Jul 03, 2020Observed: 6.86 ft at 7:45AM Jul 03, 2020Observed: 6.85 ft at 8:00AM Jul 03, 2020Observed: 6.85 ft at 8:15AM Jul 03, 2020Observed: 6.85 ft at 8:30AM Jul 03, 2020Observed: 6.85 ft at 8:45AM Jul 03, 2020Observed: 6.86 ft at 9:00AM Jul 03, 2020Observed: 6.86 ft at 9:15AM Jul 03, 2020Observed: 6.85 ft at 9:30AM Jul 03, 2020Observed: 6.86 ft at 9:45AM Jul 03, 2020Observed: 6.86 ft at 10:00AM Jul 03, 2020Observed: 6.86 ft at 10:15AM Jul 03, 2020Observed: 6.87 ft at 10:30AM Jul 03, 2020Observed: 6.87 ft at 10:45AM Jul 03, 2020Observed: 6.86 ft at 11:00AM Jul 03, 2020Observed: 6.86 ft at 11:15AM Jul 03, 2020Observed: 6.86 ft at 11:30AM Jul 03, 2020Observed: 6.87 ft at 11:45AM Jul 03, 2020Observed: 6.87 ft at 12:00PM Jul 03, 2020Observed: 6.87 ft at 12:15PM Jul 03, 2020Observed: 6.87 ft at 12:16PM Jul 03, 2020Observed: 6.87 ft at 12:30PM Jul 03, 2020Observed: 6.87 ft at 12:45PM Jul 03, 2020Observed: 6.86 ft at 1:00PM Jul 03, 2020Observed: 6.86 ft at 1:15PM Jul 03, 2020Observed: 6.85 ft at 1:30PM Jul 03, 2020Observed: 6.85 ft at 1:45PM Jul 03, 2020Observed: 6.84 ft at 2:00PM Jul 03, 2020Observed: 6.84 ft at 2:15PM Jul 03, 2020Observed: 6.83 ft at 2:30PM Jul 03, 2020Observed: 6.82 ft at 2:45PM Jul 03, 2020Observed: 6.81 ft at 3:00PM Jul 03, 2020Observed: 6.81 ft at 3:15PM Jul 03, 2020Observed: 6.8 ft at 3:30PM Jul 03, 2020Observed: 6.8 ft at 3:45PM Jul 03, 2020Observed: 6.79 ft at 4:00PM Jul 03, 2020Observed: 6.79 ft at 4:15PM Jul 03, 2020Observed: 6.79 ft at 4:30PM Jul 03, 2020Observed: 6.79 ft at 4:45PM Jul 03, 2020Observed: 6.79 ft at 5:00PM Jul 03, 2020Observed: 6.79 ft at 5:15PM Jul 03, 2020Observed: 6.79 ft at 5:30PM Jul 03, 2020Observed: 6.79 ft at 5:45PM Jul 03, 2020Observed: 6.79 ft at 6:00PM Jul 03, 2020Observed: 6.83 ft at 6:15PM Jul 03, 2020Observed: 6.86 ft at 6:30PM Jul 03, 2020Observed: 6.85 ft at 6:45PM Jul 03, 2020Observed: 6.86 ft at 7:00PM Jul 03, 2020Observed: 6.87 ft at 7:15PM Jul 03, 2020Observed: 6.85 ft at 7:30PM Jul 03, 2020Observed: 6.84 ft at 7:45PM Jul 03, 2020Observed: 6.83 ft at 8:00PM Jul 03, 2020Observed: 6.82 ft at 8:15PM Jul 03, 2020Observed: 6.81 ft at 8:30PM Jul 03, 2020Observed: 6.81 ft at 8:45PM Jul 03, 2020Observed: 6.81 ft at 9:00PM Jul 03, 2020Observed: 6.81 ft at 9:15PM Jul 03, 2020Observed: 6.81 ft at 9:30PM Jul 03, 2020Observed: 6.82 ft at 9:45PM Jul 03, 2020Highest Forecast: 6.8 ft 2:00AM Jul 04, 2020Forecast: 6.7 ft 8:00AM Jul 04, 2020Highest Forecast: 6.8 ft 2:00PM Jul 04, 2020Highest Forecast: 6.8 ft 8:00PM Jul 04, 2020Highest Forecast: 6.8 ft 2:00AM Jul 05, 2020Forecast: 6.7 ft 8:00AM Jul 05, 2020Forecast: 6.7 ft 2:00PM Jul 05, 2020Forecast: 6.7 ft 8:00PM Jul 05, 2020Forecast: 6.7 ft 2:00AM Jul 06, 2020Forecast: 6.7 ft 8:00AM Jul 06, 2020USGS--Water Resources of the United StatesSBYP1(plotting HGIRG) Graph Created (10:32PM Jul 3, 2020)ObservedForecast (issued 10:28AM Jul 3)Latest observed value: 6.82 ft at 9:45 PM EDT 3-Jul-2020. Flood Stage is 24 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NGVD29
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
Low Stage (in feet): 0

Historic 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 Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 21.17 ft on 09/12/2018
(2) 21.73 ft on 08/15/2018
(3) 22.16 ft on 07/26/2018
(4) 31.66 ft on 09/09/2011
(5) 25.58 ft on 04/29/2011
Show More Recent 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 29 408.61 432.61 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
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 7 Day (NAEFS) 7 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Click individual graphics to enlarge.

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
State College Weather Forecast Office
328 Innovation Boulevard, Suite 330
State College, PA 16803
(814) 231-2408
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Page last modified: 1-Mar-2019 12:35 AM
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