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Hydrograph River at a Glance Download
Sinnemahoning Creek at Sinnemahoning Stage (ft)Flow (kcfs)Observed: 4.22 ft at 3:30PM May 12, 2024Observed: 4.22 ft at 3:45PM May 12, 2024Observed: 4.22 ft at 4:00PM May 12, 2024Observed: 4.23 ft at 4:15PM May 12, 2024Observed: 4.23 ft at 4:30PM May 12, 2024Observed: 4.23 ft at 4:45PM May 12, 2024Observed: 4.24 ft at 5:00PM May 12, 2024Observed: 4.24 ft at 5:15PM May 12, 2024Observed: 4.24 ft at 5:30PM May 12, 2024Observed: 4.25 ft at 5:45PM May 12, 2024Observed: 4.25 ft at 6:00PM May 12, 2024Observed: 4.26 ft at 6:15PM May 12, 2024Observed: 4.26 ft at 6:30PM May 12, 2024Observed: 4.26 ft at 6:45PM May 12, 2024Observed: 4.26 ft at 7:00PM May 12, 2024Observed: 4.26 ft at 7:15PM May 12, 2024Observed: 4.26 ft at 7:30PM May 12, 2024Observed: 4.27 ft at 7:45PM May 12, 2024Observed: 4.27 ft at 8:00PM May 12, 2024Observed: 4.27 ft at 8:15PM May 12, 2024Observed: 4.27 ft at 8:30PM May 12, 2024Highest Observation: 4.28 ft at 8:45PM May 12, 2024Highest Observation: 4.28 ft at 9:00PM May 12, 2024Highest Observation: 4.28 ft at 9:15PM May 12, 2024Highest Observation: 4.28 ft at 9:30PM May 12, 2024Highest Observation: 4.28 ft at 9:45PM May 12, 2024Highest Observation: 4.28 ft at 10:00PM May 12, 2024Highest Observation: 4.28 ft at 10:15PM May 12, 2024Highest Observation: 4.28 ft at 10:30PM May 12, 2024Highest Observation: 4.28 ft at 10:45PM May 12, 2024Highest Observation: 4.28 ft at 11:00PM May 12, 2024Observed: 4.27 ft at 11:15PM May 12, 2024Observed: 4.27 ft at 11:30PM May 12, 2024Observed: 4.27 ft at 11:45PM May 12, 2024Observed: 4.27 ft at 12:00AM May 13, 2024Observed: 4.26 ft at 12:15AM May 13, 2024Observed: 4.26 ft at 12:30AM May 13, 2024Observed: 4.26 ft at 12:45AM May 13, 2024Observed: 4.26 ft at 1:00AM May 13, 2024Observed: 4.26 ft at 1:15AM May 13, 2024Observed: 4.26 ft at 1:30AM May 13, 2024Observed: 4.26 ft at 1:45AM May 13, 2024Observed: 4.26 ft at 2:00AM May 13, 2024Observed: 4.25 ft at 2:15AM May 13, 2024Observed: 4.25 ft at 2:30AM May 13, 2024Observed: 4.25 ft at 2:45AM May 13, 2024Observed: 4.24 ft at 3:00AM May 13, 2024Observed: 4.24 ft at 3:15AM May 13, 2024Observed: 4.24 ft at 3:30AM May 13, 2024Observed: 4.24 ft at 3:45AM May 13, 2024Observed: 4.24 ft at 4:00AM May 13, 2024Observed: 4.24 ft at 4:15AM May 13, 2024Observed: 4.23 ft at 4:30AM May 13, 2024Observed: 4.23 ft at 4:45AM May 13, 2024Observed: 4.23 ft at 5:00AM May 13, 2024Observed: 4.23 ft at 5:15AM May 13, 2024Observed: 4.23 ft at 5:30AM May 13, 2024Observed: 4.22 ft at 5:45AM May 13, 2024Observed: 4.22 ft at 6:00AM May 13, 2024Observed: 4.22 ft at 6:15AM May 13, 2024Observed: 4.22 ft at 6:30AM May 13, 2024Observed: 4.22 ft at 6:45AM May 13, 2024Observed: 4.22 ft at 7:00AM May 13, 2024Observed: 4.22 ft at 7:15AM May 13, 2024Observed: 4.21 ft at 7:30AM May 13, 2024Observed: 4.21 ft at 7:45AM May 13, 2024Observed: 4.21 ft at 8:00AM May 13, 2024Observed: 4.21 ft at 8:15AM May 13, 2024Observed: 4.21 ft at 8:30AM May 13, 2024Observed: 4.21 ft at 8:45AM May 13, 2024Observed: 4.21 ft at 9:00AM May 13, 2024Observed: 4.2 ft at 9:15AM May 13, 2024Observed: 4.2 ft at 9:30AM May 13, 2024Observed: 4.2 ft at 9:45AM May 13, 2024Observed: 4.2 ft at 10:00AM May 13, 2024Observed: 4.2 ft at 10:15AM May 13, 2024Observed: 4.2 ft at 10:30AM May 13, 2024Observed: 4.2 ft at 10:45AM May 13, 2024Observed: 4.2 ft at 11:00AM May 13, 2024Observed: 4.2 ft at 11:15AM May 13, 2024Observed: 4.2 ft at 11:30AM May 13, 2024Observed: 4.2 ft at 11:32AM May 13, 2024Observed: 4.19 ft at 11:45AM May 13, 2024Observed: 4.19 ft at 12:00PM May 13, 2024Observed: 4.19 ft at 12:15PM May 13, 2024Observed: 4.19 ft at 12:30PM May 13, 2024Observed: 4.19 ft at 12:45PM May 13, 2024Observed: 4.19 ft at 1:00PM May 13, 2024Observed: 4.19 ft at 1:15PM May 13, 2024Observed: 4.18 ft at 1:30PM May 13, 2024Observed: 4.19 ft at 1:45PM May 13, 2024Observed: 4.18 ft at 2:00PM May 13, 2024Observed: 4.18 ft at 2:15PM May 13, 2024Observed: 4.18 ft at 2:30PM May 13, 2024Observed: 4.18 ft at 2:45PM May 13, 2024Observed: 4.18 ft at 3:00PM May 13, 2024Observed: 4.18 ft at 3:15PM May 13, 2024Observed: 4.18 ft at 3:30PM May 13, 2024Observed: 4.18 ft at 3:45PM May 13, 2024Observed: 4.17 ft at 4:00PM May 13, 2024Observed: 4.18 ft at 4:15PM May 13, 2024Observed: 4.17 ft at 4:30PM May 13, 2024Observed: 4.17 ft at 4:45PM May 13, 2024Observed: 4.17 ft at 5:00PM May 13, 2024Observed: 4.17 ft at 5:15PM May 13, 2024Observed: 4.17 ft at 5:30PM May 13, 2024Observed: 4.17 ft at 5:45PM May 13, 2024Observed: 4.17 ft at 6:00PM May 13, 2024Observed: 4.17 ft at 6:15PM May 13, 2024Observed: 4.17 ft at 6:30PM May 13, 2024Observed: 4.17 ft at 6:45PM May 13, 2024Observed: 4.16 ft at 7:00PM May 13, 2024Observed: 4.16 ft at 7:15PM May 13, 2024Observed: 4.16 ft at 7:30PM May 13, 2024Observed: 4.16 ft at 7:45PM May 13, 2024Observed: 4.16 ft at 8:00PM May 13, 2024Observed: 4.16 ft at 8:15PM May 13, 2024Observed: 4.16 ft at 8:30PM May 13, 2024Observed: 4.16 ft at 8:45PM May 13, 2024Observed: 4.15 ft at 9:00PM May 13, 2024Observed: 4.15 ft at 9:15PM May 13, 2024Observed: 4.15 ft at 9:30PM May 13, 2024Observed: 4.15 ft at 9:45PM May 13, 2024Observed: 4.15 ft at 10:00PM May 13, 2024Observed: 4.14 ft at 10:15PM May 13, 2024Observed: 4.14 ft at 10:30PM May 13, 2024Observed: 4.14 ft at 10:45PM May 13, 2024Observed: 4.14 ft at 11:00PM May 13, 2024Observed: 4.14 ft at 11:15PM May 13, 2024Observed: 4.13 ft at 11:30PM May 13, 2024Observed: 4.13 ft at 11:45PM May 13, 2024Observed: 4.13 ft at 12:00AM May 14, 2024Observed: 4.13 ft at 12:15AM May 14, 2024Observed: 4.13 ft at 12:30AM May 14, 2024Observed: 4.12 ft at 12:45AM May 14, 2024Observed: 4.12 ft at 1:00AM May 14, 2024Observed: 4.12 ft at 1:15AM May 14, 2024Observed: 4.11 ft at 1:30AM May 14, 2024Observed: 4.11 ft at 1:45AM May 14, 2024Observed: 4.11 ft at 2:00AM May 14, 2024Observed: 4.11 ft at 2:15AM May 14, 2024Observed: 4.11 ft at 2:30AM May 14, 2024Observed: 4.1 ft at 2:45AM May 14, 2024Observed: 4.1 ft at 3:00AM May 14, 2024Observed: 4.1 ft at 3:15AM May 14, 2024Observed: 4.1 ft at 3:30AM May 14, 2024Observed: 4.09 ft at 3:45AM May 14, 2024Observed: 4.09 ft at 4:00AM May 14, 2024Observed: 4.09 ft at 4:15AM May 14, 2024Observed: 4.09 ft at 4:30AM May 14, 2024Observed: 4.09 ft at 4:45AM May 14, 2024Observed: 4.09 ft at 5:00AM May 14, 2024Observed: 4.08 ft at 5:15AM May 14, 2024Observed: 4.08 ft at 5:30AM May 14, 2024Observed: 4.08 ft at 5:45AM May 14, 2024Observed: 4.08 ft at 6:00AM May 14, 2024Observed: 4.08 ft at 6:15AM May 14, 2024Observed: 4.08 ft at 6:30AM May 14, 2024Observed: 4.07 ft at 6:45AM May 14, 2024Observed: 4.07 ft at 7:00AM May 14, 2024Observed: 4.07 ft at 7:15AM May 14, 2024Observed: 4.07 ft at 7:30AM May 14, 2024Observed: 4.07 ft at 7:45AM May 14, 2024Observed: 4.06 ft at 8:00AM May 14, 2024Observed: 4.06 ft at 8:15AM May 14, 2024Observed: 4.06 ft at 8:30AM May 14, 2024Observed: 4.06 ft at 8:45AM May 14, 2024Observed: 4.05 ft at 9:00AM May 14, 2024Observed: 4.05 ft at 9:15AM May 14, 2024Observed: 4.05 ft at 9:30AM May 14, 2024Observed: 4.05 ft at 9:45AM May 14, 2024Observed: 4.05 ft at 10:00AM May 14, 2024Observed: 4.04 ft at 10:15AM May 14, 2024Observed: 4.04 ft at 10:30AM May 14, 2024Observed: 4.04 ft at 10:31AM May 14, 2024Observed: 4.04 ft at 10:45AM May 14, 2024Observed: 4.03 ft at 11:00AM May 14, 2024Observed: 4.03 ft at 11:15AM May 14, 2024Observed: 4.03 ft at 11:30AM May 14, 2024Observed: 4.03 ft at 11:45AM May 14, 2024Observed: 4.03 ft at 12:00PM May 14, 2024Observed: 4.02 ft at 12:15PM May 14, 2024Observed: 4.02 ft at 12:30PM May 14, 2024Observed: 4.02 ft at 12:45PM May 14, 2024Observed: 4.02 ft at 1:00PM May 14, 2024Observed: 4.02 ft at 1:15PM May 14, 2024Observed: 4.01 ft at 1:30PM May 14, 2024Observed: 4.01 ft at 1:45PM May 14, 2024Observed: 4.01 ft at 2:00PM May 14, 2024Observed: 4.01 ft at 2:15PM May 14, 2024Observed: 4.01 ft at 2:30PM May 14, 2024Observed: 4 ft at 2:45PM May 14, 2024Observed: 4 ft at 3:00PM May 14, 2024Observed: 4 ft at 3:15PM May 14, 2024Observed: 4 ft at 3:30PM May 14, 2024Observed: 3.99 ft at 3:45PM May 14, 2024Observed: 3.99 ft at 4:00PM May 14, 2024Observed: 3.99 ft at 4:15PM May 14, 2024Observed: 3.98 ft at 4:30PM May 14, 2024Observed: 3.98 ft at 4:45PM May 14, 2024Observed: 3.98 ft at 5:00PM May 14, 2024Observed: 3.98 ft at 5:15PM May 14, 2024Observed: 3.98 ft at 5:30PM May 14, 2024Observed: 3.98 ft at 5:45PM May 14, 2024Observed: 3.97 ft at 6:00PM May 14, 2024Observed: 3.97 ft at 6:15PM May 14, 2024Observed: 3.97 ft at 6:30PM May 14, 2024Observed: 3.97 ft at 6:45PM May 14, 2024Observed: 3.97 ft at 7:00PM May 14, 2024Observed: 3.96 ft at 7:15PM May 14, 2024Observed: 3.96 ft at 7:30PM May 14, 2024Observed: 3.96 ft at 7:45PM May 14, 2024Observed: 3.95 ft at 8:00PM May 14, 2024Observed: 3.95 ft at 8:15PM May 14, 2024Observed: 3.95 ft at 8:30PM May 14, 2024Observed: 3.95 ft at 8:45PM May 14, 2024Observed: 3.95 ft at 9:00PM May 14, 2024Observed: 3.94 ft at 9:15PM May 14, 2024Observed: 3.94 ft at 9:30PM May 14, 2024Observed: 3.94 ft at 9:45PM May 14, 2024Observed: 3.94 ft at 10:00PM May 14, 2024Observed: 3.93 ft at 10:15PM May 14, 2024Observed: 3.93 ft at 10:30PM May 14, 2024Observed: 3.93 ft at 10:45PM May 14, 2024Observed: 3.93 ft at 11:00PM May 14, 2024Observed: 3.92 ft at 11:15PM May 14, 2024Observed: 3.92 ft at 11:30PM May 14, 2024Observed: 3.92 ft at 11:45PM May 14, 2024Observed: 3.92 ft at 12:00AM May 15, 2024Observed: 3.92 ft at 12:15AM May 15, 2024Observed: 3.91 ft at 12:30AM May 15, 2024Observed: 3.91 ft at 12:45AM May 15, 2024Observed: 3.91 ft at 1:00AM May 15, 2024Observed: 3.91 ft at 1:15AM May 15, 2024Observed: 3.91 ft at 1:30AM May 15, 2024Observed: 3.91 ft at 1:45AM May 15, 2024Observed: 3.9 ft at 2:00AM May 15, 2024Observed: 3.9 ft at 2:15AM May 15, 2024Observed: 3.9 ft at 2:30AM May 15, 2024Observed: 3.9 ft at 2:45AM May 15, 2024Observed: 3.9 ft at 3:00AM May 15, 2024Observed: 3.89 ft at 3:15AM May 15, 2024Observed: 3.89 ft at 3:30AM May 15, 2024Observed: 3.89 ft at 3:45AM May 15, 2024Observed: 3.89 ft at 4:00AM May 15, 2024Observed: 3.89 ft at 4:15AM May 15, 2024Observed: 3.89 ft at 4:30AM May 15, 2024Observed: 3.89 ft at 4:45AM May 15, 2024Observed: 3.89 ft at 5:00AM May 15, 2024Observed: 3.89 ft at 5:15AM May 15, 2024Observed: 3.89 ft at 5:30AM May 15, 2024Observed: 3.9 ft at 5:45AM May 15, 2024Observed: 3.9 ft at 6:00AM May 15, 2024Observed: 3.9 ft at 6:15AM May 15, 2024Observed: 3.9 ft at 6:30AM May 15, 2024Observed: 3.91 ft at 6:45AM May 15, 2024Observed: 3.91 ft at 7:00AM May 15, 2024Observed: 3.92 ft at 7:15AM May 15, 2024Observed: 3.92 ft at 7:30AM May 15, 2024Observed: 3.92 ft at 7:45AM May 15, 2024Observed: 3.92 ft at 8:00AM May 15, 2024Observed: 3.93 ft at 8:15AM May 15, 2024Observed: 3.92 ft at 8:30AM May 15, 2024Observed: 3.92 ft at 8:45AM May 15, 2024Observed: 3.93 ft at 9:00AM May 15, 2024Observed: 3.93 ft at 9:15AM May 15, 2024Observed: 3.93 ft at 9:30AM May 15, 2024Observed: 3.93 ft at 9:31AM May 15, 2024Observed: 3.93 ft at 9:45AM May 15, 2024Observed: 3.93 ft at 10:00AM May 15, 2024Observed: 3.93 ft at 10:15AM May 15, 2024Observed: 3.93 ft at 10:30AM May 15, 2024Observed: 3.94 ft at 10:45AM May 15, 2024Observed: 3.94 ft at 11:00AM May 15, 2024Observed: 3.95 ft at 11:15AM May 15, 2024Observed: 3.95 ft at 11:30AM May 15, 2024Observed: 3.95 ft at 11:45AM May 15, 2024Observed: 3.96 ft at 12:00PM May 15, 2024Observed: 3.96 ft at 12:15PM May 15, 2024Observed: 3.96 ft at 12:30PM May 15, 2024Observed: 3.97 ft at 12:45PM May 15, 2024Observed: 3.98 ft at 1:00PM May 15, 2024Observed: 3.98 ft at 1:15PM May 15, 2024Observed: 3.98 ft at 1:30PM May 15, 2024Observed: 3.99 ft at 1:45PM May 15, 2024Highest Forecast: 4.3 ft 8:00PM May 15, 2024Forecast: 4.2 ft 2:00AM May 16, 2024Forecast: 4.2 ft 8:00AM May 16, 2024Forecast: 4.1 ft 2:00PM May 16, 2024Forecast: 4 ft 8:00PM May 16, 2024Forecast: 3.9 ft 2:00AM May 17, 2024Forecast: 3.9 ft 8:00AM May 17, 2024Forecast: 3.8 ft 2:00PM May 17, 2024Forecast: 3.7 ft 8:00PM May 17, 2024Forecast: 3.8 ft 2:00AM May 18, 2024Forecast: 4.1 ft 8:00AM May 18, 2024USGS--Water Resources of the United StatesSNNP1(plotting HGIRG) Graph Created (3:18PM May 15, 2024)ObservedForecast (issued 9:57AM May 15)Latest observed value: 3.99 ft at 1:45 PM EDT 15-May-2024. Flood Stage is 17 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts for the Sinnemahoning Creek at Sinnemahoning are issued routinely year-round.
Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 21
Moderate Flood Stage: 19
Flood Stage: 17
Action Stage: 13
Low Stage (in feet): -9999

Historic Crests
(1) 21.94 ft on 03/18/1936
(2) 21.78 ft on 06/23/1972
(3) 21.58 ft on 07/18/1942
(4) 19.66 ft on 11/25/1950
(5) 19.02 ft on 01/19/1996
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 17.78 ft on 09/18/2004
(2) 19.02 ft on 01/19/1996
(3) 21.78 ft on 06/23/1972
(4) 17.10 ft on 03/10/1964
(5) 19.66 ft on 11/25/1950
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 1.17 ft on 09/23/1955
(2) 1.18 ft on 09/04/1939
(3) 1.38 ft on 08/20/1971
(4) 1.38 ft on 08/22/1988
(5) 1.45 ft on 09/17/1962
Show More Low Water Records

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
33.5 FEMA 0.2% Annual Chance Flood Level (500-year flood).
25 FEMA 1% Annual Chance Flood Level (100-year flood).
22 FEMA 2% Annual Chance Flood Level (50-year flood). Flood of record from March 1936.
21 Both banks overflow. A number of homes on both banks are affected. Route 120 is innundated.
19 Several homes on the right, or south bank across from the mouth of the First Fork are affected by high water. Water level approaches Route 120 near the mouth of the First Fork.
17.5 Flood waters begin to reach the Wykoff Road Bridge.
17 The right, or south bank overflows across from the mouth of the First Fork of the Sinnemahoning.
15.5 FEMA 10% Annual Chance Flood Level (10-year flood).
Photos
(1) looking upstream
(2) view of the gagehouse
(3) looking downstream
About This Location Collapse

Latitude: 41.317222° N, Longitude: 78.103333° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 17 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 29 769.36 786.36 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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