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Hydrograph River at a Glance Download
Tioughnioga River at Cortland Stage (ft)Flow (kcfs)Observed: 4.5 ft at 6:15PM Mar 26, 2024Observed: 4.52 ft at 6:30PM Mar 26, 2024Observed: 4.55 ft at 6:45PM Mar 26, 2024Observed: 4.56 ft at 7:00PM Mar 26, 2024Observed: 4.58 ft at 7:15PM Mar 26, 2024Observed: 4.61 ft at 7:30PM Mar 26, 2024Observed: 4.62 ft at 7:45PM Mar 26, 2024Observed: 4.64 ft at 8:00PM Mar 26, 2024Observed: 4.65 ft at 8:15PM Mar 26, 2024Observed: 4.67 ft at 8:30PM Mar 26, 2024Observed: 4.68 ft at 8:45PM Mar 26, 2024Observed: 4.69 ft at 9:00PM Mar 26, 2024Observed: 4.71 ft at 9:15PM Mar 26, 2024Observed: 4.72 ft at 9:30PM Mar 26, 2024Observed: 4.73 ft at 9:45PM Mar 26, 2024Observed: 4.73 ft at 10:00PM Mar 26, 2024Observed: 4.74 ft at 10:15PM Mar 26, 2024Observed: 4.75 ft at 10:30PM Mar 26, 2024Observed: 4.75 ft at 10:45PM Mar 26, 2024Observed: 4.76 ft at 11:00PM Mar 26, 2024Observed: 4.77 ft at 11:15PM Mar 26, 2024Observed: 4.78 ft at 11:30PM Mar 26, 2024Observed: 4.79 ft at 11:45PM Mar 26, 2024Observed: 4.79 ft at 12:00AM Mar 27, 2024Observed: 4.81 ft at 12:15AM Mar 27, 2024Observed: 4.82 ft at 12:30AM Mar 27, 2024Observed: 4.83 ft at 12:45AM Mar 27, 2024Observed: 4.84 ft at 1:00AM Mar 27, 2024Observed: 4.85 ft at 1:15AM Mar 27, 2024Observed: 4.87 ft at 1:30AM Mar 27, 2024Observed: 4.88 ft at 1:45AM Mar 27, 2024Observed: 4.9 ft at 2:00AM Mar 27, 2024Observed: 4.91 ft at 2:15AM Mar 27, 2024Observed: 4.93 ft at 2:30AM Mar 27, 2024Observed: 4.94 ft at 2:45AM Mar 27, 2024Observed: 4.96 ft at 3:00AM Mar 27, 2024Observed: 4.98 ft at 3:15AM Mar 27, 2024Observed: 4.99 ft at 3:30AM Mar 27, 2024Observed: 5.01 ft at 3:45AM Mar 27, 2024Observed: 5.02 ft at 4:00AM Mar 27, 2024Observed: 5.04 ft at 4:15AM Mar 27, 2024Observed: 5.05 ft at 4:30AM Mar 27, 2024Observed: 5.07 ft at 4:45AM Mar 27, 2024Observed: 5.08 ft at 5:00AM Mar 27, 2024Observed: 5.1 ft at 5:15AM Mar 27, 2024Observed: 5.11 ft at 5:30AM Mar 27, 2024Observed: 5.12 ft at 5:45AM Mar 27, 2024Observed: 5.13 ft at 6:00AM Mar 27, 2024Observed: 5.14 ft at 6:15AM Mar 27, 2024Observed: 5.15 ft at 6:30AM Mar 27, 2024Observed: 5.16 ft at 6:45AM Mar 27, 2024Observed: 5.16 ft at 7:00AM Mar 27, 2024Observed: 5.17 ft at 7:15AM Mar 27, 2024Observed: 5.18 ft at 7:30AM Mar 27, 2024Observed: 5.19 ft at 7:45AM Mar 27, 2024Observed: 5.19 ft at 8:00AM Mar 27, 2024Observed: 5.2 ft at 8:15AM Mar 27, 2024Observed: 5.2 ft at 8:30AM Mar 27, 2024Observed: 5.21 ft at 8:45AM Mar 27, 2024Observed: 5.21 ft at 9:00AM Mar 27, 2024Observed: 5.22 ft at 9:15AM Mar 27, 2024Observed: 5.22 ft at 9:30AM Mar 27, 2024Observed: 5.22 ft at 9:45AM Mar 27, 2024Observed: 5.22 ft at 10:00AM Mar 27, 2024Observed: 5.22 ft at 10:15AM Mar 27, 2024Observed: 5.23 ft at 10:30AM Mar 27, 2024Highest Observation: 5.24 ft at 10:45AM Mar 27, 2024Observed: 5.23 ft at 11:00AM Mar 27, 2024Highest Observation: 5.24 ft at 11:15AM Mar 27, 2024Highest Observation: 5.24 ft at 11:30AM Mar 27, 2024Highest Observation: 5.24 ft at 11:45AM Mar 27, 2024Observed: 5.23 ft at 12:00PM Mar 27, 2024Observed: 5.23 ft at 12:15PM Mar 27, 2024Observed: 5.23 ft at 12:30PM Mar 27, 2024Observed: 5.23 ft at 12:45PM Mar 27, 2024Observed: 5.23 ft at 1:00PM Mar 27, 2024Observed: 5.23 ft at 1:15PM Mar 27, 2024Observed: 5.23 ft at 1:30PM Mar 27, 2024Observed: 5.23 ft at 1:45PM Mar 27, 2024Observed: 5.23 ft at 2:00PM Mar 27, 2024Observed: 5.22 ft at 2:15PM Mar 27, 2024Observed: 5.22 ft at 2:30PM Mar 27, 2024Observed: 5.22 ft at 2:45PM Mar 27, 2024Observed: 5.22 ft at 3:00PM Mar 27, 2024Observed: 5.22 ft at 3:15PM Mar 27, 2024Observed: 5.22 ft at 3:30PM Mar 27, 2024Observed: 5.22 ft at 3:45PM Mar 27, 2024Observed: 5.22 ft at 3:46PM Mar 27, 2024Observed: 5.22 ft at 4:00PM Mar 27, 2024Observed: 5.21 ft at 4:15PM Mar 27, 2024Observed: 5.21 ft at 4:30PM Mar 27, 2024Observed: 5.21 ft at 4:45PM Mar 27, 2024Observed: 5.21 ft at 5:00PM Mar 27, 2024Observed: 5.21 ft at 5:15PM Mar 27, 2024Observed: 5.2 ft at 5:30PM Mar 27, 2024Observed: 5.21 ft at 5:45PM Mar 27, 2024Observed: 5.21 ft at 6:00PM Mar 27, 2024Observed: 5.21 ft at 6:15PM Mar 27, 2024Observed: 5.21 ft at 6:30PM Mar 27, 2024Observed: 5.2 ft at 6:45PM Mar 27, 2024Observed: 5.21 ft at 7:00PM Mar 27, 2024Observed: 5.2 ft at 7:15PM Mar 27, 2024Observed: 5.2 ft at 7:30PM Mar 27, 2024Observed: 5.2 ft at 7:45PM Mar 27, 2024Observed: 5.2 ft at 8:00PM Mar 27, 2024Observed: 5.2 ft at 8:15PM Mar 27, 2024Observed: 5.2 ft at 8:30PM Mar 27, 2024Observed: 5.2 ft at 8:45PM Mar 27, 2024Observed: 5.2 ft at 9:00PM Mar 27, 2024Observed: 5.2 ft at 9:15PM Mar 27, 2024Observed: 5.19 ft at 9:30PM Mar 27, 2024Observed: 5.19 ft at 9:45PM Mar 27, 2024Observed: 5.2 ft at 10:00PM Mar 27, 2024Observed: 5.19 ft at 10:15PM Mar 27, 2024Observed: 5.2 ft at 10:30PM Mar 27, 2024Observed: 5.19 ft at 10:45PM Mar 27, 2024Observed: 5.19 ft at 11:00PM Mar 27, 2024Observed: 5.19 ft at 11:15PM Mar 27, 2024Observed: 5.19 ft at 11:30PM Mar 27, 2024Observed: 5.2 ft at 11:45PM Mar 27, 2024Observed: 5.19 ft at 12:00AM Mar 28, 2024Observed: 5.19 ft at 12:15AM Mar 28, 2024Observed: 5.2 ft at 12:30AM Mar 28, 2024Observed: 5.19 ft at 12:45AM Mar 28, 2024Observed: 5.2 ft at 1:00AM Mar 28, 2024Observed: 5.2 ft at 1:15AM Mar 28, 2024Observed: 5.2 ft at 1:30AM Mar 28, 2024Observed: 5.19 ft at 1:45AM Mar 28, 2024Observed: 5.2 ft at 2:00AM Mar 28, 2024Observed: 5.2 ft at 2:15AM Mar 28, 2024Observed: 5.19 ft at 2:30AM Mar 28, 2024Observed: 5.2 ft at 2:45AM Mar 28, 2024Observed: 5.2 ft at 3:00AM Mar 28, 2024Observed: 5.2 ft at 3:15AM Mar 28, 2024Observed: 5.2 ft at 3:30AM Mar 28, 2024Observed: 5.2 ft at 3:45AM Mar 28, 2024Observed: 5.2 ft at 4:00AM Mar 28, 2024Observed: 5.2 ft at 4:15AM Mar 28, 2024Observed: 5.2 ft at 4:30AM Mar 28, 2024Observed: 5.2 ft at 4:45AM Mar 28, 2024Observed: 5.2 ft at 5:00AM Mar 28, 2024Observed: 5.2 ft at 5:15AM Mar 28, 2024Observed: 5.2 ft at 5:30AM Mar 28, 2024Observed: 5.2 ft at 5:45AM Mar 28, 2024Observed: 5.19 ft at 6:00AM Mar 28, 2024Observed: 5.2 ft at 6:15AM Mar 28, 2024Observed: 5.19 ft at 6:30AM Mar 28, 2024Observed: 5.19 ft at 6:45AM Mar 28, 2024Observed: 5.19 ft at 7:00AM Mar 28, 2024Observed: 5.19 ft at 7:15AM Mar 28, 2024Observed: 5.19 ft at 7:30AM Mar 28, 2024Observed: 5.19 ft at 7:45AM Mar 28, 2024Observed: 5.19 ft at 8:00AM Mar 28, 2024Observed: 5.18 ft at 8:15AM Mar 28, 2024Observed: 5.18 ft at 8:30AM Mar 28, 2024Observed: 5.18 ft at 8:45AM Mar 28, 2024Observed: 5.18 ft at 9:00AM Mar 28, 2024Observed: 5.17 ft at 9:15AM Mar 28, 2024Observed: 5.17 ft at 9:30AM Mar 28, 2024Observed: 5.17 ft at 9:45AM Mar 28, 2024Observed: 5.16 ft at 10:00AM Mar 28, 2024Observed: 5.16 ft at 10:15AM Mar 28, 2024Observed: 5.16 ft at 10:30AM Mar 28, 2024Observed: 5.15 ft at 10:45AM Mar 28, 2024Observed: 5.15 ft at 11:00AM Mar 28, 2024Observed: 5.14 ft at 11:15AM Mar 28, 2024Observed: 5.14 ft at 11:30AM Mar 28, 2024Observed: 5.13 ft at 11:45AM Mar 28, 2024Observed: 5.13 ft at 12:00PM Mar 28, 2024Observed: 5.12 ft at 12:15PM Mar 28, 2024Observed: 5.12 ft at 12:30PM Mar 28, 2024Observed: 5.11 ft at 12:45PM Mar 28, 2024Observed: 5.11 ft at 1:00PM Mar 28, 2024Observed: 5.11 ft at 1:15PM Mar 28, 2024Observed: 5.1 ft at 1:30PM Mar 28, 2024Observed: 5.09 ft at 1:45PM Mar 28, 2024Observed: 5.09 ft at 2:00PM Mar 28, 2024Observed: 5.08 ft at 2:15PM Mar 28, 2024Observed: 5.08 ft at 2:30PM Mar 28, 2024Observed: 5.07 ft at 2:45PM Mar 28, 2024Observed: 5.07 ft at 3:00PM Mar 28, 2024Observed: 5.06 ft at 3:15PM Mar 28, 2024Observed: 5.06 ft at 3:30PM Mar 28, 2024Observed: 5.05 ft at 3:45PM Mar 28, 2024Observed: 5.05 ft at 3:46PM Mar 28, 2024Observed: 5.05 ft at 4:00PM Mar 28, 2024Observed: 5.04 ft at 4:15PM Mar 28, 2024Observed: 5.04 ft at 4:30PM Mar 28, 2024Observed: 5.03 ft at 4:45PM Mar 28, 2024Observed: 5.03 ft at 5:00PM Mar 28, 2024Highest Forecast: 4.9 ft 8:00PM Mar 28, 2024Forecast: 4.7 ft 2:00AM Mar 29, 2024Forecast: 4.6 ft 8:00AM Mar 29, 2024Forecast: 4.4 ft 2:00PM Mar 29, 2024Forecast: 4.3 ft 8:00PM Mar 29, 2024Forecast: 4.2 ft 2:00AM Mar 30, 2024Forecast: 4.1 ft 8:00AM Mar 30, 2024Forecast: 4 ft 2:00PM Mar 30, 2024Forecast: 4 ft 8:00PM Mar 30, 2024Forecast: 4 ft 2:00AM Mar 31, 2024Forecast: 4 ft 8:00AM Mar 31, 2024USGS--Water Resources of the United StatesCRTN6(plotting HGIRG) Graph Created (6:00PM Mar 28, 2024)ObservedForecast (issued 10:10AM Mar 28)Latest observed value: 5.03 ft at 5:00 PM EDT 28-Mar-2024. Flood Stage is 8 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts for the Tioughnioga River at Cortland are issued routinely year-round.
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Downstream Gauge Downstream Gauge - at Lisle
Flood Categories (in feet)
Major Flood Stage: 12.5
Moderate Flood Stage: 10
Flood Stage: 8
Action Stage: 7
Low Stage (in feet): -9999

Historic Crests
(1) 14.07 ft on 04/03/2005
(2) 13.82 ft on 04/05/1950
(3) 13.56 ft on 12/31/1942
(4) 13.54 ft on 04/05/1956
(5) 13.52 ft on 03/31/1960
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 8.39 ft on 01/27/2024 (P)
(2) 9.50 ft on 12/19/2023 (P)
(3) 8.52 ft on 05/02/2023 (P)
(4) 8.31 ft on 10/28/2021
(5) 10.84 ft on 10/27/2021
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

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

Zoom Level:14
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
14.07 Record flood of April 2005. Widespread inundation and major flood damage occurred along the river from Cortland to Marathon.
13.02 Severe flooding occurs in areas from the City of Cortland to Marathon with 3-4 feet of water covering many city streets in Cortland. Residents in the Kennedy Parkway area are cutoff by floodwaters. This is the level of the January 1996 rain and snow melt flood.
12.5 Major flood stage. Severe flooding occurs in the Village of Marathon with 4-6 feet of water covering most of the streets in town. Many homes and businesses are inundated to the first floor. Widespread basement flooding occurs in the City of Cortland along River Street and the Yaman Park area.
11.5 Widespread, serious flooding occurs in cellars and up to the first floor of homes and businesses in Marathon. Cellar flooding occurs on the east side of Cortland near Yaman Park. Kellogg Road is covered by water 3-6 feet deep in spots.
10 Moderate flood stage. Some flooding begins to affect roads and basements in the Village of Marathon and the Yaman Park area of Cortland.
8 Minor flood stage. Flooding leads to some closures along Kellogg Road to the south of Cortland.
7 The river spills it/s banks into the low lying flood plain. No impact occurs at this stage.
Photos
(1) looking upstream
(2) view of gagehouse
(3) looking downstream
About This Location Collapse

Latitude: 42.602778° N, Longitude: 76.159722° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 8 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 1084.46 ft 1092.46 ft Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 1084.92 ft 1092.92 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:

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.

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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
Binghamton Weather Forecast Office
32 Dawes Drive
Johnson City, NY 13790
(607) 729-1597
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Page last modified: 2-Nov-2020 7:30 PM
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