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Hydrograph River at a Glance Download
West Branch Susquehanna River at Montgomery Stage (ft)Flow (kcfs)Observed: 4.95 ft at 7:00AM May 15, 2022Observed: 4.97 ft at 7:15AM May 15, 2022Observed: 4.94 ft at 7:30AM May 15, 2022Observed: 4.93 ft at 7:45AM May 15, 2022Observed: 4.94 ft at 8:00AM May 15, 2022Observed: 4.96 ft at 8:15AM May 15, 2022Observed: 4.96 ft at 8:30AM May 15, 2022Observed: 4.95 ft at 8:45AM May 15, 2022Observed: 4.93 ft at 9:00AM May 15, 2022Observed: 4.94 ft at 9:15AM May 15, 2022Observed: 4.96 ft at 9:30AM May 15, 2022Observed: 4.93 ft at 9:45AM May 15, 2022Observed: 4.94 ft at 10:00AM May 15, 2022Observed: 4.93 ft at 10:15AM May 15, 2022Observed: 4.95 ft at 10:30AM May 15, 2022Observed: 4.95 ft at 10:45AM May 15, 2022Observed: 4.96 ft at 11:00AM May 15, 2022Observed: 4.94 ft at 11:15AM May 15, 2022Observed: 4.93 ft at 11:30AM May 15, 2022Observed: 4.94 ft at 11:45AM May 15, 2022Observed: 4.97 ft at 12:00PM May 15, 2022Observed: 4.93 ft at 12:15PM May 15, 2022Observed: 4.95 ft at 12:30PM May 15, 2022Observed: 4.92 ft at 12:45PM May 15, 2022Observed: 4.93 ft at 1:00PM May 15, 2022Observed: 4.94 ft at 1:15PM May 15, 2022Observed: 4.94 ft at 1:30PM May 15, 2022Observed: 4.95 ft at 1:45PM May 15, 2022Observed: 4.95 ft at 2:00PM May 15, 2022Observed: 4.94 ft at 2:15PM May 15, 2022Observed: 4.97 ft at 2:30PM May 15, 2022Observed: 4.97 ft at 2:31PM May 15, 2022Observed: 5.04 ft at 2:45PM May 15, 2022Observed: 5.05 ft at 3:00PM May 15, 2022Observed: 5.05 ft at 3:15PM May 15, 2022Observed: 5 ft at 3:30PM May 15, 2022Observed: 5 ft at 3:45PM May 15, 2022Observed: 5.01 ft at 4:00PM May 15, 2022Observed: 5 ft at 4:15PM May 15, 2022Observed: 5.01 ft at 4:30PM May 15, 2022Observed: 5 ft at 4:45PM May 15, 2022Observed: 5.02 ft at 5:00PM May 15, 2022Observed: 4.99 ft at 5:15PM May 15, 2022Observed: 4.99 ft at 5:30PM May 15, 2022Observed: 4.99 ft at 5:45PM May 15, 2022Observed: 4.96 ft at 6:00PM May 15, 2022Observed: 4.96 ft at 6:15PM May 15, 2022Observed: 4.97 ft at 6:30PM May 15, 2022Observed: 4.94 ft at 6:45PM May 15, 2022Observed: 4.94 ft at 7:00PM May 15, 2022Observed: 4.95 ft at 7:15PM May 15, 2022Observed: 4.94 ft at 7:30PM May 15, 2022Observed: 4.94 ft at 7:45PM May 15, 2022Observed: 4.95 ft at 8:00PM May 15, 2022Observed: 4.97 ft at 8:15PM May 15, 2022Observed: 4.97 ft at 8:30PM May 15, 2022Observed: 4.98 ft at 8:45PM May 15, 2022Observed: 4.98 ft at 9:00PM May 15, 2022Observed: 4.99 ft at 9:15PM May 15, 2022Observed: 5 ft at 9:30PM May 15, 2022Observed: 5.01 ft at 9:45PM May 15, 2022Observed: 5.04 ft at 10:00PM May 15, 2022Observed: 5.04 ft at 10:15PM May 15, 2022Observed: 5.08 ft at 10:30PM May 15, 2022Observed: 5.08 ft at 10:45PM May 15, 2022Observed: 5.11 ft at 11:00PM May 15, 2022Observed: 5.14 ft at 11:15PM May 15, 2022Observed: 5.13 ft at 11:30PM May 15, 2022Observed: 5.13 ft at 11:45PM May 15, 2022Observed: 5.11 ft at 12:00AM May 16, 2022Observed: 5.1 ft at 12:15AM May 16, 2022Observed: 5.08 ft at 12:30AM May 16, 2022Observed: 5.05 ft at 12:45AM May 16, 2022Observed: 5.05 ft at 1:00AM May 16, 2022Observed: 5.05 ft at 1:15AM May 16, 2022Observed: 5.06 ft at 1:30AM May 16, 2022Observed: 5.06 ft at 1:45AM May 16, 2022Observed: 5.06 ft at 2:00AM May 16, 2022Observed: 5.06 ft at 2:15AM May 16, 2022Observed: 5.04 ft at 2:30AM May 16, 2022Observed: 5.1 ft at 2:45AM May 16, 2022Observed: 5.12 ft at 3:00AM May 16, 2022Observed: 5.14 ft at 3:15AM May 16, 2022Observed: 5.17 ft at 3:30AM May 16, 2022Observed: 5.22 ft at 3:45AM May 16, 2022Observed: 5.23 ft at 4:00AM May 16, 2022Observed: 5.24 ft at 4:15AM May 16, 2022Observed: 5.29 ft at 4:30AM May 16, 2022Observed: 5.28 ft at 4:45AM May 16, 2022Observed: 5.27 ft at 5:00AM May 16, 2022Observed: 5.25 ft at 5:15AM May 16, 2022Observed: 5.24 ft at 5:30AM May 16, 2022Observed: 5.22 ft at 5:45AM May 16, 2022Observed: 5.2 ft at 6:00AM May 16, 2022Observed: 5.19 ft at 6:15AM May 16, 2022Observed: 5.19 ft at 6:30AM May 16, 2022Observed: 5.15 ft at 6:45AM May 16, 2022Observed: 5.11 ft at 7:00AM May 16, 2022Observed: 5.1 ft at 7:15AM May 16, 2022Observed: 5.11 ft at 7:30AM May 16, 2022Observed: 5.1 ft at 7:45AM May 16, 2022Observed: 5.07 ft at 8:00AM May 16, 2022Observed: 5.1 ft at 8:15AM May 16, 2022Observed: 5.1 ft at 8:30AM May 16, 2022Observed: 5.08 ft at 8:45AM May 16, 2022Observed: 5.09 ft at 9:00AM May 16, 2022Observed: 5.1 ft at 9:15AM May 16, 2022Observed: 5.22 ft at 10:30AM May 16, 2022Observed: 5.2 ft at 10:45AM May 16, 2022Observed: 5.19 ft at 11:00AM May 16, 2022Observed: 5.19 ft at 11:15AM May 16, 2022Observed: 5.2 ft at 11:30AM May 16, 2022Observed: 5.19 ft at 11:45AM May 16, 2022Observed: 5.16 ft at 12:00PM May 16, 2022Observed: 5.16 ft at 12:15PM May 16, 2022Observed: 5.16 ft at 12:30PM May 16, 2022Observed: 5.19 ft at 12:45PM May 16, 2022Observed: 5.18 ft at 1:00PM May 16, 2022Observed: 5.16 ft at 1:15PM May 16, 2022Observed: 5.11 ft at 1:30PM May 16, 2022Observed: 5.11 ft at 1:31PM May 16, 2022Observed: 5.13 ft at 1:45PM May 16, 2022Observed: 5.14 ft at 2:00PM May 16, 2022Observed: 5.18 ft at 2:15PM May 16, 2022Observed: 5.21 ft at 2:30PM May 16, 2022Observed: 5.24 ft at 2:45PM May 16, 2022Observed: 5.31 ft at 3:00PM May 16, 2022Observed: 5.38 ft at 3:15PM May 16, 2022Highest Observation: 5.42 ft at 3:30PM May 16, 2022Highest Observation: 5.42 ft at 3:45PM May 16, 2022Observed: 5.37 ft at 4:00PM May 16, 2022Observed: 5.36 ft at 4:15PM May 16, 2022Observed: 5.33 ft at 4:30PM May 16, 2022Observed: 5.33 ft at 4:45PM May 16, 2022Observed: 5.35 ft at 5:00PM May 16, 2022Observed: 5.34 ft at 5:15PM May 16, 2022Observed: 5.3 ft at 5:30PM May 16, 2022Observed: 5.3 ft at 5:45PM May 16, 2022Observed: 5.27 ft at 6:00PM May 16, 2022Observed: 5.27 ft at 6:15PM May 16, 2022Observed: 5.27 ft at 6:30PM May 16, 2022Observed: 5.27 ft at 6:45PM May 16, 2022Observed: 5.24 ft at 7:00PM May 16, 2022Observed: 5.22 ft at 7:15PM May 16, 2022Observed: 5.23 ft at 7:30PM May 16, 2022Observed: 5.23 ft at 7:45PM May 16, 2022Observed: 5.22 ft at 8:00PM May 16, 2022Observed: 5.2 ft at 8:15PM May 16, 2022Observed: 5.22 ft at 8:30PM May 16, 2022Observed: 5.21 ft at 8:45PM May 16, 2022Observed: 5.19 ft at 9:00PM May 16, 2022Observed: 5.19 ft at 9:15PM May 16, 2022Observed: 5.18 ft at 9:30PM May 16, 2022Observed: 5.19 ft at 9:45PM May 16, 2022Observed: 5.18 ft at 10:00PM May 16, 2022Observed: 5.19 ft at 10:15PM May 16, 2022Observed: 5.16 ft at 10:30PM May 16, 2022Observed: 5.16 ft at 10:45PM May 16, 2022Observed: 5.14 ft at 11:00PM May 16, 2022Observed: 5.16 ft at 11:15PM May 16, 2022Observed: 5.13 ft at 11:30PM May 16, 2022Observed: 5.14 ft at 11:45PM May 16, 2022Observed: 5.12 ft at 12:00AM May 17, 2022Observed: 5.11 ft at 12:15AM May 17, 2022Observed: 5.12 ft at 12:30AM May 17, 2022Observed: 5.1 ft at 12:45AM May 17, 2022Observed: 5.09 ft at 1:00AM May 17, 2022Observed: 5.08 ft at 1:15AM May 17, 2022Observed: 5.09 ft at 1:30AM May 17, 2022Observed: 5.09 ft at 1:45AM May 17, 2022Observed: 5.1 ft at 2:00AM May 17, 2022Observed: 5.08 ft at 2:15AM May 17, 2022Observed: 5.09 ft at 2:30AM May 17, 2022Observed: 5.09 ft at 2:45AM May 17, 2022Observed: 5.13 ft at 3:00AM May 17, 2022Observed: 5.09 ft at 3:15AM May 17, 2022Observed: 5.08 ft at 3:30AM May 17, 2022Observed: 5.07 ft at 3:45AM May 17, 2022Observed: 5.06 ft at 4:00AM May 17, 2022Observed: 5.07 ft at 4:15AM May 17, 2022Observed: 5.06 ft at 4:30AM May 17, 2022Observed: 5.06 ft at 4:45AM May 17, 2022Observed: 5.04 ft at 5:00AM May 17, 2022Observed: 5.07 ft at 5:15AM May 17, 2022Observed: 5.06 ft at 5:30AM May 17, 2022Observed: 5.06 ft at 5:45AM May 17, 2022Observed: 5.07 ft at 6:00AM May 17, 2022Observed: 5.05 ft at 6:15AM May 17, 2022Observed: 5.06 ft at 6:30AM May 17, 2022Observed: 5.04 ft at 6:45AM May 17, 2022Observed: 5.04 ft at 7:00AM May 17, 2022Observed: 5.04 ft at 7:15AM May 17, 2022Observed: 5.04 ft at 7:30AM May 17, 2022Observed: 5.05 ft at 7:45AM May 17, 2022Observed: 5.01 ft at 8:00AM May 17, 2022Observed: 5 ft at 8:15AM May 17, 2022Observed: 5.03 ft at 8:30AM May 17, 2022Observed: 5.01 ft at 8:45AM May 17, 2022Observed: 5.02 ft at 9:00AM May 17, 2022Observed: 5.01 ft at 9:15AM May 17, 2022Observed: 5.04 ft at 9:30AM May 17, 2022Observed: 5.02 ft at 9:45AM May 17, 2022Observed: 5.02 ft at 10:00AM May 17, 2022Observed: 5.05 ft at 10:15AM May 17, 2022Observed: 5.02 ft at 10:30AM May 17, 2022Observed: 5.02 ft at 10:45AM May 17, 2022Observed: 5.01 ft at 11:00AM May 17, 2022Observed: 5.02 ft at 11:15AM May 17, 2022Observed: 4.99 ft at 11:30AM May 17, 2022Observed: 5.01 ft at 11:45AM May 17, 2022Observed: 4.98 ft at 12:00PM May 17, 2022Observed: 4.99 ft at 12:15PM May 17, 2022Observed: 4.99 ft at 12:30PM May 17, 2022Observed: 4.99 ft at 12:31PM May 17, 2022Observed: 5.01 ft at 12:45PM May 17, 2022Observed: 5.01 ft at 1:00PM May 17, 2022Observed: 5.02 ft at 1:15PM May 17, 2022Observed: 5.01 ft at 1:30PM May 17, 2022Observed: 5.02 ft at 1:45PM May 17, 2022Observed: 5.01 ft at 2:00PM May 17, 2022Observed: 5.02 ft at 2:15PM May 17, 2022Observed: 5 ft at 2:30PM May 17, 2022Observed: 5.02 ft at 2:45PM May 17, 2022Observed: 4.99 ft at 3:00PM May 17, 2022Observed: 5 ft at 3:15PM May 17, 2022Observed: 5 ft at 3:30PM May 17, 2022Observed: 4.98 ft at 3:45PM May 17, 2022Observed: 4.98 ft at 4:00PM May 17, 2022Observed: 4.97 ft at 4:15PM May 17, 2022Observed: 4.97 ft at 4:30PM May 17, 2022Observed: 4.98 ft at 4:45PM May 17, 2022Observed: 4.98 ft at 5:00PM May 17, 2022Observed: 4.96 ft at 5:15PM May 17, 2022Observed: 4.95 ft at 5:30PM May 17, 2022Observed: 4.95 ft at 5:45PM May 17, 2022Observed: 4.96 ft at 6:00PM May 17, 2022Observed: 4.94 ft at 6:15PM May 17, 2022Observed: 4.96 ft at 6:30PM May 17, 2022Observed: 4.95 ft at 6:45PM May 17, 2022Observed: 4.94 ft at 7:00PM May 17, 2022Observed: 4.97 ft at 7:15PM May 17, 2022Observed: 4.95 ft at 7:30PM May 17, 2022Observed: 4.95 ft at 7:45PM May 17, 2022Observed: 4.93 ft at 8:00PM May 17, 2022Observed: 4.92 ft at 8:15PM May 17, 2022Observed: 4.93 ft at 8:30PM May 17, 2022Observed: 4.93 ft at 8:45PM May 17, 2022Observed: 4.95 ft at 9:00PM May 17, 2022Observed: 4.95 ft at 9:15PM May 17, 2022Observed: 4.95 ft at 9:30PM May 17, 2022Observed: 4.94 ft at 9:45PM May 17, 2022Observed: 4.94 ft at 10:00PM May 17, 2022Observed: 4.94 ft at 10:15PM May 17, 2022Observed: 4.94 ft at 10:30PM May 17, 2022Observed: 4.95 ft at 10:45PM May 17, 2022Observed: 4.92 ft at 11:00PM May 17, 2022Observed: 4.94 ft at 11:15PM May 17, 2022Observed: 4.92 ft at 11:30PM May 17, 2022Observed: 4.94 ft at 11:45PM May 17, 2022Observed: 4.94 ft at 12:00AM May 18, 2022Observed: 4.92 ft at 12:15AM May 18, 2022Observed: 4.92 ft at 12:30AM May 18, 2022Observed: 4.94 ft at 12:45AM May 18, 2022Observed: 4.91 ft at 1:00AM May 18, 2022Observed: 4.93 ft at 1:15AM May 18, 2022Observed: 4.93 ft at 1:30AM May 18, 2022Observed: 4.92 ft at 1:45AM May 18, 2022Observed: 4.93 ft at 2:00AM May 18, 2022Observed: 4.95 ft at 2:15AM May 18, 2022Observed: 4.93 ft at 2:30AM May 18, 2022Observed: 4.92 ft at 2:45AM May 18, 2022Observed: 4.92 ft at 3:00AM May 18, 2022Observed: 4.91 ft at 3:15AM May 18, 2022Observed: 4.92 ft at 3:30AM May 18, 2022Observed: 4.94 ft at 3:45AM May 18, 2022Observed: 4.93 ft at 4:00AM May 18, 2022Observed: 4.94 ft at 4:15AM May 18, 2022Observed: 4.93 ft at 4:30AM May 18, 2022Observed: 4.96 ft at 4:45AM May 18, 2022Observed: 4.91 ft at 5:00AM May 18, 2022Observed: 4.93 ft at 5:15AM May 18, 2022Observed: 4.92 ft at 5:30AM May 18, 2022Observed: 4.91 ft at 5:45AM May 18, 2022Observed: 4.93 ft at 6:00AM May 18, 2022Observed: 4.9 ft at 6:15AM May 18, 2022USGS--Water Resources of the United StatesMSCP1(plotting HGIRG) Graph Created (6:48AM May 18, 2022)ObservedLatest observed value: 4.9 ft at 6:15 AM EDT 18-May-2022.
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Stage measured manually and reported by river observer. No automated gauge on-site.

NOTE: Graphical forecasts are not available for the West Branch Susquehanna River at Montgomery. During times of high water, forecast crest information can be found in the text products.

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Upstream Gauge - near Muncy Upstream Gauge Downstream Gauge Downstream Gauge - at Watsontown
Flood Categories (in feet)
Major Flood Stage: 28
Moderate Flood Stage: 24
Flood Stage: 20
Action Stage: 16
Low Stage (in feet): 0

Historic Crests
(1) 37.50 ft on 06/23/1972
(2) 36.00 ft on 03/18/1936
(3) 33.10 ft on 06/01/1889
(4) 30.70 ft on 05/21/1894
(5) 30.30 ft on 05/28/1946
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 20.00 ft on 12/25/2020 (P)
(2) 21.80 ft on 09/11/2018
(3) 26.70 ft on 09/08/2011
(4) 22.20 ft on 04/29/2011
(5) 22.70 ft on 03/11/2011
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.90 ft on 09/13/1983

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

Zoom Level:15
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
30 Numerous homes and businesses are affected by widespread flooding.
28 Numerous homes and businesses are affected by high water.
26 A number of residences are flooded. Several more streets are also affected by high water.
24 Several homes on Broad and Second streets are affected.
22 South Main Street and Ellis Parkway are flooded.
20 Ellis Parkway floods, limiting access to the Riverside Campground office and the campground.
17 The Riverside Campground and the little league complex are affected by high water.
16 River interests are encouraged to monitor conditions for further rises in water levels.
About This Location Collapse

Latitude: 41.169444° N, Longitude: 76.874722° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 20 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 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 455 ft 475 ft  
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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: 2-Nov-2020 7:30 PM
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