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Over 200 USGS real-time streamgages used to support NWS river forecasts and warnings are at risk of being discontinued. Click here for more information from the USGS...


NOTE: Gauge readings may be delayed or temporarily unavailable due to satellite communication issues.
Weather Forecast Office State College, PA Middle Atlantic River Forecast Center
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View all valid statements/warnings
Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels		 Chance of Exceeding Levels
During Entire Period
Susquehanna River at Sunbury Stage (ft)Flow (kcfs)Highest Observation: 8.35 ft at 8:15PM May 20, 2013Highest Observation: 8.35 ft at 8:30PM May 20, 2013Highest Observation: 8.35 ft at 8:45PM May 20, 2013Highest Observation: 8.35 ft at 9:00PM May 20, 2013Highest Observation: 8.35 ft at 9:15PM May 20, 2013Highest Observation: 8.35 ft at 9:30PM May 20, 2013Observed: 8.34 ft at 9:45PM May 20, 2013Observed: 8.34 ft at 10:00PM May 20, 2013Observed: 8.33 ft at 10:15PM May 20, 2013Observed: 8.33 ft at 10:30PM May 20, 2013Observed: 8.33 ft at 10:45PM May 20, 2013Observed: 8.33 ft at 11:00PM May 20, 2013Observed: 8.33 ft at 11:15PM May 20, 2013Observed: 8.32 ft at 11:30PM May 20, 2013Observed: 8.32 ft at 11:45PM May 20, 2013Observed: 8.32 ft at 12:00AM May 21, 2013Observed: 8.32 ft at 12:15AM May 21, 2013Observed: 8.32 ft at 12:30AM May 21, 2013Observed: 8.31 ft at 12:45AM May 21, 2013Observed: 8.31 ft at 1:00AM May 21, 2013Observed: 8.31 ft at 1:15AM May 21, 2013Observed: 8.3 ft at 1:30AM May 21, 2013Observed: 8.3 ft at 1:45AM May 21, 2013Observed: 8.31 ft at 2:00AM May 21, 2013Observed: 8.3 ft at 2:15AM May 21, 2013Observed: 8.3 ft at 2:30AM May 21, 2013Observed: 8.3 ft at 2:45AM May 21, 2013Observed: 8.3 ft at 3:00AM May 21, 2013Observed: 8.29 ft at 3:15AM May 21, 2013Observed: 8.29 ft at 3:30AM May 21, 2013Observed: 8.29 ft at 3:45AM May 21, 2013Observed: 8.29 ft at 4:00AM May 21, 2013Observed: 8.29 ft at 4:15AM May 21, 2013Observed: 8.29 ft at 4:30AM May 21, 2013Observed: 8.28 ft at 4:45AM May 21, 2013Observed: 8.28 ft at 5:00AM May 21, 2013Observed: 8.28 ft at 5:15AM May 21, 2013Observed: 8.27 ft at 5:30AM May 21, 2013Observed: 8.27 ft at 5:45AM May 21, 2013Observed: 8.27 ft at 6:00AM May 21, 2013Observed: 8.27 ft at 6:15AM May 21, 2013Observed: 8.28 ft at 6:30AM May 21, 2013Observed: 8.28 ft at 6:45AM May 21, 2013Observed: 8.28 ft at 7:00AM May 21, 2013Observed: 8.27 ft at 7:15AM May 21, 2013Observed: 8.27 ft at 7:30AM May 21, 2013Observed: 8.27 ft at 7:45AM May 21, 2013Observed: 8.27 ft at 8:00AM May 21, 2013Observed: 8.27 ft at 8:15AM May 21, 2013Observed: 8.27 ft at 8:30AM May 21, 2013Observed: 8.27 ft at 8:45AM May 21, 2013Observed: 8.27 ft at 9:00AM May 21, 2013Observed: 8.27 ft at 9:15AM May 21, 2013Observed: 8.27 ft at 9:30AM May 21, 2013Observed: 8.26 ft at 9:45AM May 21, 2013Observed: 8.26 ft at 10:00AM May 21, 2013Observed: 8.25 ft at 10:15AM May 21, 2013Observed: 8.25 ft at 10:30AM May 21, 2013Observed: 8.25 ft at 10:45AM May 21, 2013Observed: 8.22 ft at 11:00AM May 21, 2013Observed: 8.2 ft at 11:15AM May 21, 2013Observed: 8.18 ft at 11:30AM May 21, 2013Observed: 8.17 ft at 11:45AM May 21, 2013Observed: 8.17 ft at 12:00PM May 21, 2013Observed: 8.18 ft at 12:15PM May 21, 2013Observed: 8.18 ft at 12:30PM May 21, 2013Observed: 8.19 ft at 12:45PM May 21, 2013Observed: 8.2 ft at 1:00PM May 21, 2013Observed: 8.2 ft at 1:15PM May 21, 2013Observed: 8.2 ft at 1:30PM May 21, 2013Observed: 8.21 ft at 1:45PM May 21, 2013Observed: 8.21 ft at 2:00PM May 21, 2013Observed: 8.21 ft at 2:15PM May 21, 2013Observed: 8.22 ft at 2:30PM May 21, 2013Observed: 8.21 ft at 2:45PM May 21, 2013Observed: 8.21 ft at 3:00PM May 21, 2013Observed: 8.21 ft at 3:15PM May 21, 2013Observed: 8.21 ft at 3:30PM May 21, 2013Observed: 8.2 ft at 3:45PM May 21, 2013Observed: 8.2 ft at 4:00PM May 21, 2013Observed: 8.2 ft at 4:15PM May 21, 2013Observed: 8.2 ft at 4:30PM May 21, 2013Observed: 8.2 ft at 4:45PM May 21, 2013Observed: 8.19 ft at 5:00PM May 21, 2013Observed: 8.2 ft at 5:15PM May 21, 2013Observed: 8.2 ft at 5:30PM May 21, 2013Observed: 8.21 ft at 5:45PM May 21, 2013Observed: 8.2 ft at 6:00PM May 21, 2013Observed: 8.2 ft at 6:15PM May 21, 2013Observed: 8.2 ft at 6:30PM May 21, 2013Observed: 8.19 ft at 6:45PM May 21, 2013Observed: 8.2 ft at 7:00PM May 21, 2013Observed: 8.2 ft at 7:15PM May 21, 2013Observed: 8.21 ft at 7:30PM May 21, 2013Observed: 8.21 ft at 7:45PM May 21, 2013Observed: 8.21 ft at 8:00PM May 21, 2013Observed: 8.2 ft at 8:15PM May 21, 2013Observed: 8.2 ft at 8:30PM May 21, 2013Observed: 8.2 ft at 8:45PM May 21, 2013Observed: 8.2 ft at 9:00PM May 21, 2013Observed: 8.21 ft at 9:15PM May 21, 2013Observed: 8.2 ft at 9:30PM May 21, 2013Observed: 8.2 ft at 9:45PM May 21, 2013Observed: 8.2 ft at 10:00PM May 21, 2013Observed: 8.19 ft at 10:15PM May 21, 2013Observed: 8.19 ft at 10:30PM May 21, 2013Observed: 8.18 ft at 10:45PM May 21, 2013Observed: 8.17 ft at 11:00PM May 21, 2013Observed: 8.17 ft at 11:15PM May 21, 2013Observed: 8.16 ft at 11:30PM May 21, 2013Observed: 8.16 ft at 11:45PM May 21, 2013Observed: 8.16 ft at 12:00AM May 22, 2013Observed: 8.17 ft at 12:15AM May 22, 2013Observed: 8.17 ft at 12:30AM May 22, 2013Observed: 8.18 ft at 12:45AM May 22, 2013Observed: 8.18 ft at 1:00AM May 22, 2013Observed: 8.18 ft at 1:15AM May 22, 2013Observed: 8.17 ft at 1:30AM May 22, 2013Observed: 8.16 ft at 1:45AM May 22, 2013Observed: 8.16 ft at 2:00AM May 22, 2013Observed: 8.16 ft at 2:15AM May 22, 2013Observed: 8.16 ft at 2:30AM May 22, 2013Observed: 8.17 ft at 2:45AM May 22, 2013Observed: 8.17 ft at 3:00AM May 22, 2013Observed: 8.16 ft at 3:15AM May 22, 2013Observed: 8.16 ft at 3:30AM May 22, 2013Observed: 8.16 ft at 3:45AM May 22, 2013Observed: 8.16 ft at 4:00AM May 22, 2013Observed: 8.15 ft at 4:15AM May 22, 2013Observed: 8.15 ft at 4:30AM May 22, 2013Observed: 8.15 ft at 4:45AM May 22, 2013Observed: 8.15 ft at 5:00AM May 22, 2013Observed: 8.14 ft at 5:15AM May 22, 2013Observed: 8.13 ft at 5:30AM May 22, 2013Observed: 8.13 ft at 5:45AM May 22, 2013Observed: 8.13 ft at 6:00AM May 22, 2013Observed: 8.13 ft at 6:15AM May 22, 2013Observed: 8.13 ft at 6:30AM May 22, 2013Observed: 8.13 ft at 6:45AM May 22, 2013Observed: 8.13 ft at 7:00AM May 22, 2013Observed: 8.13 ft at 7:15AM May 22, 2013Observed: 8.13 ft at 7:30AM May 22, 2013Observed: 8.12 ft at 7:45AM May 22, 2013Observed: 8.12 ft at 8:00AM May 22, 2013Observed: 8.12 ft at 8:15AM May 22, 2013Observed: 8.12 ft at 8:30AM May 22, 2013Observed: 8.12 ft at 8:45AM May 22, 2013Observed: 8.12 ft at 9:00AM May 22, 2013Observed: 8.11 ft at 9:15AM May 22, 2013Observed: 8.11 ft at 9:30AM May 22, 2013Observed: 8.11 ft at 9:45AM May 22, 2013Observed: 8.11 ft at 10:00AM May 22, 2013Observed: 8.11 ft at 10:15AM May 22, 2013Observed: 8.11 ft at 10:30AM May 22, 2013Observed: 8.11 ft at 10:45AM May 22, 2013Observed: 8.11 ft at 11:00AM May 22, 2013Observed: 8.11 ft at 11:15AM May 22, 2013Observed: 8.11 ft at 11:30AM May 22, 2013Observed: 8.11 ft at 11:45AM May 22, 2013Observed: 8.11 ft at 12:00PM May 22, 2013Observed: 8.1 ft at 12:15PM May 22, 2013Observed: 8.1 ft at 12:30PM May 22, 2013Observed: 8.1 ft at 12:45PM May 22, 2013Observed: 8.09 ft at 1:00PM May 22, 2013Observed: 8.09 ft at 1:15PM May 22, 2013Observed: 8.09 ft at 1:30PM May 22, 2013Observed: 8.09 ft at 1:45PM May 22, 2013Observed: 8.08 ft at 2:00PM May 22, 2013Observed: 8.08 ft at 2:15PM May 22, 2013Observed: 8.08 ft at 2:30PM May 22, 2013Observed: 8.08 ft at 2:45PM May 22, 2013Observed: 8.08 ft at 3:00PM May 22, 2013Observed: 8.07 ft at 3:15PM May 22, 2013Observed: 8.07 ft at 3:30PM May 22, 2013Observed: 8.06 ft at 3:45PM May 22, 2013Observed: 8.05 ft at 4:00PM May 22, 2013Observed: 8.04 ft at 4:15PM May 22, 2013Observed: 8.04 ft at 4:30PM May 22, 2013Observed: 8.04 ft at 4:45PM May 22, 2013Observed: 8.04 ft at 5:00PM May 22, 2013Observed: 8.03 ft at 5:15PM May 22, 2013Observed: 8.03 ft at 5:30PM May 22, 2013Observed: 8.03 ft at 5:45PM May 22, 2013Observed: 8.03 ft at 6:00PM May 22, 2013Observed: 8.04 ft at 6:15PM May 22, 2013Observed: 8.04 ft at 6:30PM May 22, 2013Observed: 8.04 ft at 6:45PM May 22, 2013Observed: 8.05 ft at 7:00PM May 22, 2013Observed: 8.05 ft at 7:15PM May 22, 2013Observed: 8.04 ft at 7:30PM May 22, 2013Observed: 8.04 ft at 7:45PM May 22, 2013Observed: 8.04 ft at 8:00PM May 22, 2013Observed: 8.11 ft at 8:15PM May 22, 2013Observed: 8.07 ft at 8:30PM May 22, 2013Observed: 8.06 ft at 8:45PM May 22, 2013Observed: 8.07 ft at 9:00PM May 22, 2013Observed: 8.05 ft at 9:15PM May 22, 2013Observed: 8.05 ft at 9:30PM May 22, 2013Observed: 8.05 ft at 9:45PM May 22, 2013Observed: 8.07 ft at 10:00PM May 22, 2013Observed: 8.08 ft at 10:15PM May 22, 2013Observed: 8.09 ft at 10:30PM May 22, 2013Observed: 8.09 ft at 10:45PM May 22, 2013Observed: 8.09 ft at 11:00PM May 22, 2013Observed: 8.09 ft at 11:15PM May 22, 2013Observed: 8.09 ft at 11:30PM May 22, 2013Observed: 8.09 ft at 11:45PM May 22, 2013Observed: 8.09 ft at 12:00AM May 23, 2013Observed: 8.08 ft at 12:15AM May 23, 2013Observed: 8.07 ft at 12:30AM May 23, 2013Observed: 8.07 ft at 12:45AM May 23, 2013Observed: 8.06 ft at 1:00AM May 23, 2013Observed: 8.05 ft at 1:15AM May 23, 2013Observed: 8.05 ft at 1:30AM May 23, 2013Observed: 8.05 ft at 1:45AM May 23, 2013Observed: 8.05 ft at 2:00AM May 23, 2013Observed: 8.05 ft at 2:15AM May 23, 2013Observed: 8.05 ft at 2:30AM May 23, 2013Observed: 8.04 ft at 2:45AM May 23, 2013Observed: 8.04 ft at 3:00AM May 23, 2013Observed: 8.04 ft at 3:15AM May 23, 2013Observed: 8.04 ft at 3:30AM May 23, 2013Observed: 8.04 ft at 3:45AM May 23, 2013Observed: 8.04 ft at 4:00AM May 23, 2013Observed: 8.04 ft at 4:15AM May 23, 2013Observed: 8.04 ft at 4:30AM May 23, 2013Observed: 8.04 ft at 4:45AM May 23, 2013Observed: 8.04 ft at 5:00AM May 23, 2013Observed: 8.04 ft at 5:15AM May 23, 2013Observed: 8.05 ft at 5:30AM May 23, 2013Observed: 8.05 ft at 5:45AM May 23, 2013Observed: 8.05 ft at 6:00AM May 23, 2013Observed: 8.05 ft at 6:15AM May 23, 2013Observed: 8.05 ft at 6:30AM May 23, 2013Observed: 8.05 ft at 6:45AM May 23, 2013Observed: 8.06 ft at 7:00AM May 23, 2013Observed: 8.06 ft at 7:15AM May 23, 2013Observed: 8.05 ft at 7:30AM May 23, 2013Observed: 8.05 ft at 7:45AM May 23, 2013Observed: 8.05 ft at 8:00AM May 23, 2013Observed: 8.05 ft at 8:15AM May 23, 2013Observed: 8.05 ft at 8:30AM May 23, 2013Observed: 8.05 ft at 8:45AM May 23, 2013Observed: 8.05 ft at 9:00AM May 23, 2013Observed: 8.04 ft at 9:15AM May 23, 2013Observed: 8.04 ft at 9:30AM May 23, 2013Observed: 8.03 ft at 9:45AM May 23, 2013Observed: 8.03 ft at 10:00AM May 23, 2013Observed: 8.03 ft at 10:15AM May 23, 2013Observed: 8.04 ft at 10:30AM May 23, 2013Observed: 8.04 ft at 10:45AM May 23, 2013Observed: 8.04 ft at 11:00AM May 23, 2013Observed: 8.05 ft at 11:15AM May 23, 2013Observed: 8.05 ft at 11:30AM May 23, 2013Observed: 8.06 ft at 11:45AM May 23, 2013Observed: 8.07 ft at 12:00PM May 23, 2013Observed: 8.07 ft at 12:15PM May 23, 2013Observed: 8.08 ft at 12:30PM May 23, 2013Observed: 8.07 ft at 12:45PM May 23, 2013Observed: 8.06 ft at 1:00PM May 23, 2013Observed: 8.06 ft at 1:15PM May 23, 2013Observed: 8.06 ft at 1:30PM May 23, 2013Observed: 8.07 ft at 1:45PM May 23, 2013Observed: 8.07 ft at 2:00PM May 23, 2013Observed: 8.08 ft at 2:15PM May 23, 2013Observed: 8.08 ft at 2:30PM May 23, 2013Observed: 8.08 ft at 2:45PM May 23, 2013Observed: 8.08 ft at 3:00PM May 23, 2013Observed: 8.08 ft at 3:15PM May 23, 2013Observed: 8.09 ft at 3:30PM May 23, 2013Observed: 8.08 ft at 3:45PM May 23, 2013Observed: 8.07 ft at 4:00PM May 23, 2013Observed: 8.07 ft at 4:15PM May 23, 2013Observed: 8.06 ft at 4:30PM May 23, 2013Observed: 8.07 ft at 4:45PM May 23, 2013Observed: 8.07 ft at 5:00PM May 23, 2013Observed: 8.08 ft at 5:15PM May 23, 2013Observed: 8.1 ft at 5:30PM May 23, 2013Observed: 8.11 ft at 5:45PM May 23, 2013Observed: 8.13 ft at 6:00PM May 23, 2013Observed: 8.15 ft at 6:15PM May 23, 2013Observed: 8.16 ft at 6:30PM May 23, 2013Observed: 8.18 ft at 6:45PM May 23, 2013Observed: 8.2 ft at 7:00PM May 23, 2013Observed: 8.21 ft at 7:15PM May 23, 2013Observed: 8.22 ft at 7:30PM May 23, 2013Observed: 8.24 ft at 7:45PM May 23, 2013Forecast: 8.1 ft 2:00AM May 24, 2013Forecast: 8.2 ft 8:00AM May 24, 2013Forecast: 8.3 ft 2:00PM May 24, 2013Forecast: 8.5 ft 8:00PM May 24, 2013Forecast: 8.6 ft 2:00AM May 25, 2013Forecast: 8.7 ft 8:00AM May 25, 2013Forecast: 8.8 ft 2:00PM May 25, 2013Forecast: 8.9 ft 8:00PM May 25, 2013Forecast: 9 ft 2:00AM May 26, 2013Highest Forecast: 9.3 ft 8:00AM May 26, 2013USGS--Water Resources of the United StatesSBYP1(plotting HGIRG) Graph Created (8:12PM May 23, 2013)ObservedForecast (issued 8:55AM May 23)Latest observed value: 8.24 ft at 7:45 PM EDT 23-May-2013. Flood Stage is 24 ft
Printable Image
About this graph
Tabular Data
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

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
Legend
Gauge Location
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
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  

Other Data Sources:
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: 13-Mar-2013 6:34 PM 		Disclaimer
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