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Hydrograph River at a Glance Download
Tioga River at Tioga Junction Stage (ft)Flow (kcfs)Highest Observation: 8.32 ft at 11:30PM May 19, 2024Highest Observation: 8.32 ft at 11:45PM May 19, 2024Highest Observation: 8.32 ft at 12:00AM May 20, 2024Highest Observation: 8.32 ft at 12:15AM May 20, 2024Highest Observation: 8.32 ft at 12:30AM May 20, 2024Highest Observation: 8.32 ft at 12:45AM May 20, 2024Highest Observation: 8.32 ft at 1:00AM May 20, 2024Highest Observation: 8.32 ft at 1:15AM May 20, 2024Highest Observation: 8.32 ft at 1:30AM May 20, 2024Highest Observation: 8.32 ft at 1:45AM May 20, 2024Highest Observation: 8.32 ft at 2:00AM May 20, 2024Highest Observation: 8.32 ft at 2:15AM May 20, 2024Highest Observation: 8.32 ft at 2:30AM May 20, 2024Highest Observation: 8.32 ft at 2:45AM May 20, 2024Highest Observation: 8.32 ft at 3:00AM May 20, 2024Highest Observation: 8.32 ft at 3:15AM May 20, 2024Highest Observation: 8.32 ft at 3:30AM May 20, 2024Highest Observation: 8.32 ft at 3:45AM May 20, 2024Highest Observation: 8.32 ft at 4:00AM May 20, 2024Highest Observation: 8.32 ft at 4:15AM May 20, 2024Highest Observation: 8.32 ft at 4:30AM May 20, 2024Highest Observation: 8.32 ft at 4:45AM May 20, 2024Highest Observation: 8.32 ft at 5:00AM May 20, 2024Highest Observation: 8.32 ft at 5:15AM May 20, 2024Highest Observation: 8.32 ft at 5:30AM May 20, 2024Highest Observation: 8.32 ft at 5:45AM May 20, 2024Highest Observation: 8.32 ft at 6:00AM May 20, 2024Highest Observation: 8.32 ft at 6:15AM May 20, 2024Highest Observation: 8.32 ft at 6:30AM May 20, 2024Highest Observation: 8.32 ft at 6:45AM May 20, 2024Highest Observation: 8.32 ft at 7:00AM May 20, 2024Highest Observation: 8.32 ft at 7:15AM May 20, 2024Highest Observation: 8.32 ft at 7:30AM May 20, 2024Highest Observation: 8.32 ft at 7:45AM May 20, 2024Observed: 8.31 ft at 8:00AM May 20, 2024Observed: 8.29 ft at 8:15AM May 20, 2024Observed: 8.26 ft at 8:30AM May 20, 2024Observed: 8.22 ft at 8:45AM May 20, 2024Observed: 8.18 ft at 9:00AM May 20, 2024Observed: 8.15 ft at 9:15AM May 20, 2024Observed: 8.13 ft at 9:30AM May 20, 2024Observed: 8.12 ft at 9:45AM May 20, 2024Observed: 8.12 ft at 10:00AM May 20, 2024Observed: 8.11 ft at 10:15AM May 20, 2024Observed: 8.11 ft at 10:30AM May 20, 2024Observed: 8.11 ft at 10:45AM May 20, 2024Observed: 8.11 ft at 11:00AM May 20, 2024Observed: 8.11 ft at 11:15AM May 20, 2024Observed: 8.11 ft at 11:30AM May 20, 2024Observed: 8.11 ft at 11:45AM May 20, 2024Observed: 8.11 ft at 12:00PM May 20, 2024Observed: 8.1 ft at 12:15PM May 20, 2024Observed: 8.08 ft at 12:30PM May 20, 2024Observed: 8.04 ft at 12:45PM May 20, 2024Observed: 8 ft at 1:00PM May 20, 2024Observed: 7.96 ft at 1:15PM May 20, 2024Observed: 7.93 ft at 1:30PM May 20, 2024Observed: 7.92 ft at 1:45PM May 20, 2024Observed: 7.91 ft at 2:00PM May 20, 2024Observed: 7.9 ft at 2:15PM May 20, 2024Observed: 7.9 ft at 2:30PM May 20, 2024Observed: 7.89 ft at 2:45PM May 20, 2024Observed: 7.89 ft at 3:00PM May 20, 2024Observed: 7.89 ft at 3:15PM May 20, 2024Observed: 7.89 ft at 3:30PM May 20, 2024Observed: 7.89 ft at 3:45PM May 20, 2024Observed: 7.89 ft at 4:00PM May 20, 2024Observed: 7.89 ft at 4:15PM May 20, 2024Observed: 7.88 ft at 4:30PM May 20, 2024Observed: 7.89 ft at 4:45PM May 20, 2024Observed: 7.88 ft at 5:00PM May 20, 2024Observed: 7.88 ft at 5:15PM May 20, 2024Observed: 7.88 ft at 5:30PM May 20, 2024Observed: 7.88 ft at 5:45PM May 20, 2024Observed: 7.88 ft at 6:00PM May 20, 2024Observed: 7.88 ft at 6:15PM May 20, 2024Observed: 7.88 ft at 6:30PM May 20, 2024Observed: 7.88 ft at 6:45PM May 20, 2024Observed: 7.88 ft at 7:00PM May 20, 2024Observed: 7.88 ft at 7:15PM May 20, 2024Observed: 7.88 ft at 7:30PM May 20, 2024Observed: 7.88 ft at 7:45PM May 20, 2024Observed: 7.88 ft at 8:00PM May 20, 2024Observed: 7.88 ft at 8:15PM May 20, 2024Observed: 7.88 ft at 8:30PM May 20, 2024Observed: 7.88 ft at 8:45PM May 20, 2024Observed: 7.88 ft at 9:00PM May 20, 2024Observed: 7.88 ft at 9:15PM May 20, 2024Observed: 7.88 ft at 9:30PM May 20, 2024Observed: 7.88 ft at 9:45PM May 20, 2024Observed: 7.88 ft at 10:00PM May 20, 2024Observed: 7.88 ft at 10:15PM May 20, 2024Observed: 7.88 ft at 10:30PM May 20, 2024Observed: 7.88 ft at 10:45PM May 20, 2024Observed: 7.88 ft at 11:00PM May 20, 2024Observed: 7.88 ft at 11:15PM May 20, 2024Observed: 7.88 ft at 11:30PM May 20, 2024Observed: 7.88 ft at 11:45PM May 20, 2024Observed: 7.88 ft at 12:00AM May 21, 2024Observed: 7.88 ft at 12:15AM May 21, 2024Observed: 7.88 ft at 12:30AM May 21, 2024Observed: 7.88 ft at 12:45AM May 21, 2024Observed: 7.88 ft at 1:00AM May 21, 2024Observed: 7.88 ft at 1:15AM May 21, 2024Observed: 7.88 ft at 1:30AM May 21, 2024Observed: 7.88 ft at 1:45AM May 21, 2024Observed: 7.88 ft at 2:00AM May 21, 2024Observed: 7.88 ft at 2:15AM May 21, 2024Observed: 7.88 ft at 2:30AM May 21, 2024Observed: 7.88 ft at 2:45AM May 21, 2024Observed: 7.88 ft at 3:00AM May 21, 2024Observed: 7.88 ft at 3:15AM May 21, 2024Observed: 7.88 ft at 3:30AM May 21, 2024Observed: 7.88 ft at 3:45AM May 21, 2024Observed: 7.88 ft at 4:00AM May 21, 2024Observed: 7.88 ft at 4:15AM May 21, 2024Observed: 7.88 ft at 4:30AM May 21, 2024Observed: 7.88 ft at 4:45AM May 21, 2024Observed: 7.88 ft at 5:00AM May 21, 2024Observed: 7.88 ft at 5:15AM May 21, 2024Observed: 7.88 ft at 5:30AM May 21, 2024Observed: 7.88 ft at 5:45AM May 21, 2024Observed: 7.88 ft at 6:00AM May 21, 2024Observed: 7.88 ft at 6:15AM May 21, 2024Observed: 7.88 ft at 6:30AM May 21, 2024Observed: 7.88 ft at 6:45AM May 21, 2024Observed: 7.88 ft at 7:00AM May 21, 2024Observed: 7.88 ft at 7:15AM May 21, 2024Observed: 7.88 ft at 7:30AM May 21, 2024Observed: 7.88 ft at 7:45AM May 21, 2024Observed: 7.88 ft at 8:00AM May 21, 2024Observed: 7.88 ft at 8:15AM May 21, 2024Observed: 7.88 ft at 8:30AM May 21, 2024Observed: 7.88 ft at 8:45AM May 21, 2024Observed: 7.88 ft at 9:00AM May 21, 2024Observed: 7.88 ft at 9:15AM May 21, 2024Observed: 7.88 ft at 9:30AM May 21, 2024Observed: 7.87 ft at 9:45AM May 21, 2024Observed: 7.87 ft at 10:00AM May 21, 2024Observed: 7.88 ft at 10:15AM May 21, 2024Observed: 7.88 ft at 10:30AM May 21, 2024Observed: 7.88 ft at 10:45AM May 21, 2024Observed: 7.88 ft at 11:00AM May 21, 2024Observed: 7.88 ft at 11:15AM May 21, 2024Observed: 7.87 ft at 11:30AM May 21, 2024Observed: 7.88 ft at 11:45AM May 21, 2024Observed: 7.88 ft at 12:00PM May 21, 2024Observed: 7.87 ft at 12:15PM May 21, 2024Observed: 7.87 ft at 12:30PM May 21, 2024Observed: 7.87 ft at 12:45PM May 21, 2024Observed: 7.87 ft at 1:00PM May 21, 2024Observed: 7.87 ft at 1:15PM May 21, 2024Observed: 7.87 ft at 1:30PM May 21, 2024Observed: 7.87 ft at 1:45PM May 21, 2024Observed: 7.87 ft at 2:00PM May 21, 2024Observed: 7.87 ft at 2:15PM May 21, 2024Observed: 7.87 ft at 2:30PM May 21, 2024Observed: 7.87 ft at 2:45PM May 21, 2024Observed: 7.87 ft at 3:00PM May 21, 2024Observed: 7.87 ft at 3:15PM May 21, 2024Observed: 7.87 ft at 3:30PM May 21, 2024Observed: 7.87 ft at 3:45PM May 21, 2024Observed: 7.87 ft at 4:00PM May 21, 2024Observed: 7.87 ft at 4:15PM May 21, 2024Observed: 7.87 ft at 4:30PM May 21, 2024Observed: 7.87 ft at 4:45PM May 21, 2024Observed: 7.87 ft at 5:00PM May 21, 2024Observed: 7.87 ft at 5:15PM May 21, 2024Observed: 7.87 ft at 5:30PM May 21, 2024Observed: 7.87 ft at 5:45PM May 21, 2024Observed: 7.87 ft at 6:00PM May 21, 2024Observed: 7.87 ft at 6:15PM May 21, 2024Observed: 7.87 ft at 6:30PM May 21, 2024Observed: 7.87 ft at 6:45PM May 21, 2024Observed: 7.87 ft at 7:00PM May 21, 2024Observed: 7.87 ft at 7:15PM May 21, 2024Observed: 7.87 ft at 7:30PM May 21, 2024Observed: 7.87 ft at 7:45PM May 21, 2024Observed: 7.87 ft at 8:00PM May 21, 2024Observed: 7.87 ft at 8:15PM May 21, 2024Observed: 7.87 ft at 8:30PM May 21, 2024Observed: 7.87 ft at 8:45PM May 21, 2024Observed: 7.87 ft at 9:00PM May 21, 2024Observed: 7.87 ft at 9:15PM May 21, 2024Observed: 7.87 ft at 9:30PM May 21, 2024Observed: 7.87 ft at 9:45PM May 21, 2024Observed: 7.87 ft at 10:00PM May 21, 2024Observed: 7.87 ft at 10:15PM May 21, 2024Observed: 7.87 ft at 10:30PM May 21, 2024Observed: 7.86 ft at 10:45PM May 21, 2024Observed: 7.87 ft at 11:00PM May 21, 2024Observed: 7.87 ft at 11:15PM May 21, 2024Observed: 7.87 ft at 11:30PM May 21, 2024Observed: 7.87 ft at 11:45PM May 21, 2024Observed: 7.87 ft at 12:00AM May 22, 2024Observed: 7.87 ft at 12:15AM May 22, 2024Observed: 7.87 ft at 12:30AM May 22, 2024Observed: 7.87 ft at 12:45AM May 22, 2024Observed: 7.87 ft at 1:00AM May 22, 2024Observed: 7.87 ft at 1:15AM May 22, 2024Observed: 7.87 ft at 1:30AM May 22, 2024Observed: 7.87 ft at 1:45AM May 22, 2024Observed: 7.87 ft at 2:00AM May 22, 2024Observed: 7.87 ft at 2:15AM May 22, 2024Observed: 7.87 ft at 2:30AM May 22, 2024Observed: 7.87 ft at 2:45AM May 22, 2024Observed: 7.87 ft at 3:00AM May 22, 2024Observed: 7.87 ft at 3:15AM May 22, 2024Observed: 7.87 ft at 3:30AM May 22, 2024Observed: 7.87 ft at 3:45AM May 22, 2024Observed: 7.86 ft at 4:00AM May 22, 2024Observed: 7.87 ft at 4:15AM May 22, 2024Observed: 7.86 ft at 4:30AM May 22, 2024Observed: 7.86 ft at 4:45AM May 22, 2024Observed: 7.86 ft at 5:00AM May 22, 2024Observed: 7.86 ft at 5:15AM May 22, 2024Observed: 7.87 ft at 5:30AM May 22, 2024Observed: 7.86 ft at 5:45AM May 22, 2024Observed: 7.86 ft at 6:00AM May 22, 2024Observed: 7.87 ft at 6:15AM May 22, 2024Observed: 7.86 ft at 6:30AM May 22, 2024Observed: 7.87 ft at 6:45AM May 22, 2024Observed: 7.86 ft at 7:00AM May 22, 2024Observed: 7.87 ft at 7:15AM May 22, 2024Observed: 7.87 ft at 7:30AM May 22, 2024Observed: 7.87 ft at 7:45AM May 22, 2024Observed: 7.87 ft at 8:00AM May 22, 2024Observed: 7.87 ft at 8:15AM May 22, 2024Observed: 7.86 ft at 8:30AM May 22, 2024Observed: 7.85 ft at 8:45AM May 22, 2024Observed: 7.83 ft at 9:00AM May 22, 2024Observed: 7.81 ft at 9:15AM May 22, 2024Observed: 7.79 ft at 9:30AM May 22, 2024Observed: 7.77 ft at 9:45AM May 22, 2024Observed: 7.76 ft at 10:00AM May 22, 2024Observed: 7.75 ft at 10:15AM May 22, 2024Observed: 7.75 ft at 10:30AM May 22, 2024Observed: 7.74 ft at 10:45AM May 22, 2024Observed: 7.74 ft at 11:00AM May 22, 2024Observed: 7.74 ft at 11:15AM May 22, 2024Observed: 7.74 ft at 11:30AM May 22, 2024Observed: 7.74 ft at 11:45AM May 22, 2024Observed: 7.74 ft at 12:00PM May 22, 2024Observed: 7.74 ft at 12:15PM May 22, 2024Observed: 7.74 ft at 12:30PM May 22, 2024Observed: 7.74 ft at 12:45PM May 22, 2024Observed: 7.74 ft at 1:00PM May 22, 2024Observed: 7.74 ft at 1:15PM May 22, 2024Observed: 7.74 ft at 1:30PM May 22, 2024Observed: 7.74 ft at 1:45PM May 22, 2024Observed: 7.73 ft at 2:00PM May 22, 2024Observed: 7.73 ft at 2:15PM May 22, 2024Observed: 7.73 ft at 2:30PM May 22, 2024Observed: 7.73 ft at 2:45PM May 22, 2024Observed: 7.73 ft at 3:00PM May 22, 2024Observed: 7.73 ft at 3:15PM May 22, 2024Observed: 7.74 ft at 3:30PM May 22, 2024Observed: 7.73 ft at 3:45PM May 22, 2024Observed: 7.73 ft at 4:00PM May 22, 2024Observed: 7.73 ft at 4:15PM May 22, 2024Observed: 7.73 ft at 4:30PM May 22, 2024Observed: 7.72 ft at 4:45PM May 22, 2024Observed: 7.7 ft at 5:00PM May 22, 2024Observed: 7.68 ft at 5:15PM May 22, 2024Observed: 7.66 ft at 5:30PM May 22, 2024Observed: 7.64 ft at 5:45PM May 22, 2024Observed: 7.63 ft at 6:00PM May 22, 2024Observed: 7.63 ft at 6:15PM May 22, 2024Observed: 7.63 ft at 6:30PM May 22, 2024Observed: 7.62 ft at 6:45PM May 22, 2024Observed: 7.62 ft at 7:00PM May 22, 2024Observed: 7.62 ft at 7:15PM May 22, 2024Observed: 7.62 ft at 7:30PM May 22, 2024Observed: 7.62 ft at 7:45PM May 22, 2024Observed: 7.62 ft at 8:00PM May 22, 2024Observed: 7.62 ft at 8:15PM May 22, 2024Observed: 7.62 ft at 8:30PM May 22, 2024Observed: 7.62 ft at 8:45PM May 22, 2024Observed: 7.62 ft at 9:00PM May 22, 2024Observed: 7.62 ft at 9:15PM May 22, 2024Observed: 7.62 ft at 9:30PM May 22, 2024Observed: 7.62 ft at 9:45PM May 22, 2024Observed: 7.62 ft at 10:00PM May 22, 2024Forecast: 7.5 ft 2:00AM May 23, 2024Highest Forecast: 7.7 ft 8:00AM May 23, 2024Highest Forecast: 7.7 ft 2:00PM May 23, 2024Highest Forecast: 7.7 ft 8:00PM May 23, 2024Highest Forecast: 7.7 ft 2:00AM May 24, 2024Highest Forecast: 7.7 ft 8:00AM May 24, 2024Highest Forecast: 7.7 ft 2:00PM May 24, 2024Highest Forecast: 7.7 ft 8:00PM May 24, 2024Forecast: 7.6 ft 2:00AM May 25, 2024Forecast: 7.6 ft 8:00AM May 25, 2024Highest Forecast: 7.7 ft 2:00PM May 25, 2024Highest Forecast: 7.7 ft 8:00PM May 25, 2024USGS--Water Resources of the United StatesTGJP1(plotting HGIRG) Graph Created (11:18PM May 22, 2024)ObservedForecast (issued 9:20PM May 22)Latest observed value: 7.62 ft at 10:00 PM EDT 22-May-2024. Flood Stage is 15 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Gauge reading affected by reservoir operations.

NOTE: Forecasts for the Tioga River at Tioga Junction are issued routinely year-round.

Return to Area Map
Upstream Gauge - at Tioga Upstream Gauge Downstream Gauge Downstream Gauge - at Lindley
Flood Categories (in feet)
Major Flood Stage: 20
Moderate Flood Stage: 17
Flood Stage: 15
Action Stage: 13
Low Stage (in feet): 0

Historic Crests
(1) 22.12 ft on 09/25/1975
(2) 17.20 ft on 01/26/1978
(3) 16.70 ft on 05/14/1978
(4) 16.70 ft on 02/25/1977
(5) 16.45 ft on 11/05/1977
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 15.33 ft on 09/17/2004
(2) 14.68 ft on 01/19/1996
(3) 13.34 ft on 08/21/1994
(4) 15.42 ft on 08/18/1994
(5) 16.70 ft on 05/14/1978
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:16
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
27 Flood waters begin to reach the Park Street Bridge in Tioga.
22.1 Flood of record from September 1975.
20 Widespread flooding occurs on both bankds. Much of Tioga Junction is affected by high water. A number of roads are closed. Flood waters begin to reach the Route 287 bridge on the northh side of Tioga.
18.5 FEMA 0.2% Annual Chance Flood Level (500-year flood). Flood waters begin to reach the Junction Cross Road Bridge near Williamson High School.
17.5 Flood waters begin to reach the Mechanic Street Bridge in Lawrenceville.
17 The right, or east bank overflows. A number of homes on both banks are affected. Several roads are closed. Flood waters begin to reach the Main Street Bridge in Lawrenceville.
15 The left, or west bank overflows, closing a couple of roads. A few homes are affected. FEMA 1% Annual Chance Flood Level (50-year flood).
13.5 FEMA 2% Annual Chance Flood Level (50-year flood).
13 FEMA 10% Annunal Chance Flood Level (10-year flood).
About This Location Collapse

Latitude: 41.952500° N, Longitude: 77.115556° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 15 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 29 990.43 1005.43 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) 954-6400
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