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Hydrograph River at a Glance Download
Conemaugh River at Johnstown Stage (ft)Flow (kcfs)Observed: 2.09 ft at 4:00PM Aug 20, 2014Observed: 2.11 ft at 4:15PM Aug 20, 2014Observed: 2.15 ft at 4:30PM Aug 20, 2014Observed: 2.18 ft at 4:45PM Aug 20, 2014Observed: 2.2 ft at 5:00PM Aug 20, 2014Observed: 2.21 ft at 5:15PM Aug 20, 2014Observed: 2.22 ft at 5:30PM Aug 20, 2014Observed: 2.21 ft at 5:45PM Aug 20, 2014Observed: 2.21 ft at 6:00PM Aug 20, 2014Observed: 2.21 ft at 6:15PM Aug 20, 2014Observed: 2.2 ft at 6:30PM Aug 20, 2014Observed: 2.2 ft at 6:45PM Aug 20, 2014Observed: 2.19 ft at 7:00PM Aug 20, 2014Observed: 2.18 ft at 7:15PM Aug 20, 2014Observed: 2.18 ft at 7:30PM Aug 20, 2014Observed: 2.17 ft at 7:45PM Aug 20, 2014Observed: 2.17 ft at 8:00PM Aug 20, 2014Observed: 2.18 ft at 8:15PM Aug 20, 2014Observed: 2.18 ft at 8:30PM Aug 20, 2014Observed: 2.18 ft at 8:45PM Aug 20, 2014Observed: 2.17 ft at 9:00PM Aug 20, 2014Observed: 2.17 ft at 9:15PM Aug 20, 2014Observed: 2.17 ft at 9:30PM Aug 20, 2014Observed: 2.17 ft at 9:45PM Aug 20, 2014Observed: 2.17 ft at 10:00PM Aug 20, 2014Observed: 2.15 ft at 10:15PM Aug 20, 2014Observed: 2.15 ft at 10:30PM Aug 20, 2014Observed: 2.14 ft at 10:45PM Aug 20, 2014Observed: 2.13 ft at 11:00PM Aug 20, 2014Observed: 2.12 ft at 11:15PM Aug 20, 2014Observed: 2.11 ft at 11:30PM Aug 20, 2014Observed: 2.11 ft at 11:45PM Aug 20, 2014Observed: 2.1 ft at 12:00AM Aug 21, 2014Observed: 2.1 ft at 12:15AM Aug 21, 2014Observed: 2.09 ft at 12:30AM Aug 21, 2014Observed: 2.1 ft at 12:45AM Aug 21, 2014Observed: 2.08 ft at 1:00AM Aug 21, 2014Observed: 2.07 ft at 1:15AM Aug 21, 2014Observed: 2.08 ft at 1:30AM Aug 21, 2014Observed: 2.08 ft at 1:45AM Aug 21, 2014Observed: 2.06 ft at 2:00AM Aug 21, 2014Observed: 2.06 ft at 2:15AM Aug 21, 2014Observed: 2.06 ft at 2:30AM Aug 21, 2014Observed: 2.05 ft at 2:45AM Aug 21, 2014Observed: 2.04 ft at 3:00AM Aug 21, 2014Observed: 2.04 ft at 3:15AM Aug 21, 2014Observed: 2.04 ft at 3:30AM Aug 21, 2014Observed: 2.02 ft at 3:45AM Aug 21, 2014Observed: 2.02 ft at 4:00AM Aug 21, 2014Observed: 2.02 ft at 4:15AM Aug 21, 2014Observed: 2.01 ft at 4:30AM Aug 21, 2014Observed: 2 ft at 4:45AM Aug 21, 2014Observed: 2.01 ft at 5:00AM Aug 21, 2014Observed: 1.99 ft at 5:15AM Aug 21, 2014Observed: 2 ft at 5:30AM Aug 21, 2014Observed: 1.98 ft at 5:45AM Aug 21, 2014Observed: 1.96 ft at 6:00AM Aug 21, 2014Observed: 1.96 ft at 6:15AM Aug 21, 2014Observed: 1.96 ft at 6:30AM Aug 21, 2014Observed: 1.96 ft at 6:45AM Aug 21, 2014Observed: 1.95 ft at 7:00AM Aug 21, 2014Observed: 1.95 ft at 7:15AM Aug 21, 2014Observed: 1.95 ft at 7:30AM Aug 21, 2014Observed: 1.95 ft at 7:45AM Aug 21, 2014Observed: 1.94 ft at 8:00AM Aug 21, 2014Observed: 1.93 ft at 8:15AM Aug 21, 2014Observed: 1.93 ft at 8:30AM Aug 21, 2014Observed: 1.93 ft at 8:45AM Aug 21, 2014Observed: 1.93 ft at 9:00AM Aug 21, 2014Observed: 1.93 ft at 9:15AM Aug 21, 2014Observed: 1.92 ft at 9:30AM Aug 21, 2014Observed: 1.92 ft at 9:45AM Aug 21, 2014Observed: 1.91 ft at 10:00AM Aug 21, 2014Observed: 1.91 ft at 10:15AM Aug 21, 2014Observed: 1.91 ft at 10:30AM Aug 21, 2014Observed: 1.91 ft at 10:45AM Aug 21, 2014Observed: 1.91 ft at 11:00AM Aug 21, 2014Observed: 1.89 ft at 11:15AM Aug 21, 2014Observed: 1.89 ft at 11:30AM Aug 21, 2014Observed: 1.89 ft at 11:45AM Aug 21, 2014Observed: 1.88 ft at 12:00PM Aug 21, 2014Observed: 1.89 ft at 12:15PM Aug 21, 2014Observed: 1.89 ft at 12:30PM Aug 21, 2014Observed: 1.89 ft at 12:45PM Aug 21, 2014Observed: 1.89 ft at 1:00PM Aug 21, 2014Observed: 1.89 ft at 1:15PM Aug 21, 2014Observed: 1.9 ft at 1:30PM Aug 21, 2014Observed: 1.89 ft at 1:45PM Aug 21, 2014Observed: 1.89 ft at 2:00PM Aug 21, 2014Observed: 1.9 ft at 2:15PM Aug 21, 2014Observed: 1.9 ft at 2:30PM Aug 21, 2014Observed: 1.9 ft at 2:45PM Aug 21, 2014Observed: 1.89 ft at 3:00PM Aug 21, 2014Observed: 1.9 ft at 3:15PM Aug 21, 2014Observed: 1.9 ft at 3:30PM Aug 21, 2014Observed: 1.89 ft at 3:45PM Aug 21, 2014Observed: 1.9 ft at 4:00PM Aug 21, 2014Observed: 1.9 ft at 4:15PM Aug 21, 2014Observed: 1.89 ft at 4:30PM Aug 21, 2014Observed: 1.89 ft at 4:45PM Aug 21, 2014Observed: 1.9 ft at 5:00PM Aug 21, 2014Observed: 1.9 ft at 5:15PM Aug 21, 2014Observed: 1.9 ft at 5:30PM Aug 21, 2014Observed: 1.91 ft at 5:45PM Aug 21, 2014Observed: 1.92 ft at 6:00PM Aug 21, 2014Observed: 1.92 ft at 6:15PM Aug 21, 2014Observed: 1.92 ft at 6:30PM Aug 21, 2014Observed: 1.93 ft at 6:45PM Aug 21, 2014Observed: 1.93 ft at 7:00PM Aug 21, 2014Observed: 1.94 ft at 7:15PM Aug 21, 2014Observed: 1.94 ft at 7:30PM Aug 21, 2014Observed: 1.94 ft at 7:45PM Aug 21, 2014Observed: 1.95 ft at 8:00PM Aug 21, 2014Observed: 1.95 ft at 8:15PM Aug 21, 2014Observed: 1.95 ft at 8:30PM Aug 21, 2014Observed: 1.95 ft at 8:45PM Aug 21, 2014Observed: 1.94 ft at 9:00PM Aug 21, 2014Observed: 1.94 ft at 9:15PM Aug 21, 2014Observed: 1.94 ft at 9:30PM Aug 21, 2014Observed: 1.94 ft at 9:45PM Aug 21, 2014Observed: 1.93 ft at 10:00PM Aug 21, 2014Observed: 1.93 ft at 10:15PM Aug 21, 2014Observed: 1.94 ft at 10:30PM Aug 21, 2014Observed: 1.94 ft at 10:45PM Aug 21, 2014Observed: 1.93 ft at 11:00PM Aug 21, 2014Observed: 1.93 ft at 11:15PM Aug 21, 2014Observed: 1.93 ft at 11:30PM Aug 21, 2014Observed: 1.93 ft at 11:45PM Aug 21, 2014Observed: 1.92 ft at 12:00AM Aug 22, 2014Observed: 1.92 ft at 12:15AM Aug 22, 2014Observed: 1.92 ft at 12:30AM Aug 22, 2014Observed: 1.92 ft at 12:45AM Aug 22, 2014Observed: 1.91 ft at 1:00AM Aug 22, 2014Observed: 1.9 ft at 1:15AM Aug 22, 2014Observed: 1.9 ft at 1:30AM Aug 22, 2014Observed: 1.9 ft at 1:45AM Aug 22, 2014Observed: 1.89 ft at 2:00AM Aug 22, 2014Observed: 1.9 ft at 2:15AM Aug 22, 2014Observed: 1.9 ft at 2:30AM Aug 22, 2014Observed: 1.89 ft at 2:45AM Aug 22, 2014Observed: 1.88 ft at 3:00AM Aug 22, 2014Observed: 1.88 ft at 3:15AM Aug 22, 2014Observed: 1.88 ft at 3:30AM Aug 22, 2014Observed: 1.88 ft at 3:45AM Aug 22, 2014Observed: 1.87 ft at 4:00AM Aug 22, 2014Observed: 1.87 ft at 4:15AM Aug 22, 2014Observed: 1.87 ft at 4:30AM Aug 22, 2014Observed: 1.86 ft at 4:45AM Aug 22, 2014Observed: 1.86 ft at 5:00AM Aug 22, 2014Observed: 1.86 ft at 5:15AM Aug 22, 2014Observed: 1.86 ft at 5:30AM Aug 22, 2014Observed: 1.86 ft at 5:45AM Aug 22, 2014Observed: 1.85 ft at 6:00AM Aug 22, 2014Observed: 1.84 ft at 6:15AM Aug 22, 2014Observed: 1.84 ft at 6:30AM Aug 22, 2014Observed: 1.84 ft at 6:45AM Aug 22, 2014Observed: 1.84 ft at 7:00AM Aug 22, 2014Observed: 1.84 ft at 7:15AM Aug 22, 2014Observed: 1.83 ft at 7:30AM Aug 22, 2014Observed: 1.83 ft at 7:45AM Aug 22, 2014Observed: 1.83 ft at 8:00AM Aug 22, 2014Observed: 1.83 ft at 8:15AM Aug 22, 2014Observed: 1.82 ft at 8:30AM Aug 22, 2014Observed: 1.82 ft at 8:45AM Aug 22, 2014Observed: 1.81 ft at 9:00AM Aug 22, 2014Observed: 1.81 ft at 9:15AM Aug 22, 2014Observed: 1.81 ft at 9:30AM Aug 22, 2014Observed: 1.8 ft at 9:45AM Aug 22, 2014Observed: 1.8 ft at 10:00AM Aug 22, 2014Observed: 1.8 ft at 10:15AM Aug 22, 2014Observed: 1.79 ft at 10:30AM Aug 22, 2014Observed: 1.79 ft at 10:45AM Aug 22, 2014Observed: 1.79 ft at 11:00AM Aug 22, 2014Observed: 1.79 ft at 11:15AM Aug 22, 2014Observed: 1.78 ft at 11:30AM Aug 22, 2014Observed: 1.79 ft at 11:45AM Aug 22, 2014Observed: 1.78 ft at 12:00PM Aug 22, 2014Observed: 1.78 ft at 12:15PM Aug 22, 2014Observed: 1.77 ft at 12:30PM Aug 22, 2014Observed: 1.77 ft at 12:45PM Aug 22, 2014Observed: 1.77 ft at 1:00PM Aug 22, 2014Observed: 1.77 ft at 1:15PM Aug 22, 2014Observed: 1.77 ft at 1:30PM Aug 22, 2014Observed: 1.77 ft at 1:45PM Aug 22, 2014Observed: 1.77 ft at 2:00PM Aug 22, 2014Observed: 1.77 ft at 2:15PM Aug 22, 2014Observed: 1.77 ft at 2:30PM Aug 22, 2014Observed: 1.76 ft at 2:45PM Aug 22, 2014Observed: 1.76 ft at 3:00PM Aug 22, 2014Observed: 1.77 ft at 3:15PM Aug 22, 2014Observed: 1.76 ft at 3:30PM Aug 22, 2014Observed: 1.77 ft at 3:45PM Aug 22, 2014Observed: 1.79 ft at 4:00PM Aug 22, 2014Observed: 1.81 ft at 4:15PM Aug 22, 2014Observed: 1.8 ft at 4:30PM Aug 22, 2014Observed: 1.78 ft at 4:45PM Aug 22, 2014Observed: 1.77 ft at 5:00PM Aug 22, 2014Observed: 1.77 ft at 5:15PM Aug 22, 2014Observed: 1.76 ft at 5:30PM Aug 22, 2014Observed: 1.76 ft at 5:45PM Aug 22, 2014Observed: 1.75 ft at 6:00PM Aug 22, 2014Observed: 1.75 ft at 6:15PM Aug 22, 2014Observed: 1.75 ft at 6:30PM Aug 22, 2014Observed: 1.74 ft at 6:45PM Aug 22, 2014Observed: 1.74 ft at 7:00PM Aug 22, 2014Observed: 1.73 ft at 7:15PM Aug 22, 2014Observed: 1.73 ft at 7:30PM Aug 22, 2014Observed: 1.73 ft at 7:45PM Aug 22, 2014Observed: 1.73 ft at 8:00PM Aug 22, 2014Observed: 1.73 ft at 8:15PM Aug 22, 2014Observed: 1.73 ft at 8:30PM Aug 22, 2014Observed: 1.73 ft at 8:45PM Aug 22, 2014Observed: 1.73 ft at 9:00PM Aug 22, 2014Observed: 1.73 ft at 9:15PM Aug 22, 2014Observed: 1.73 ft at 9:30PM Aug 22, 2014Observed: 1.73 ft at 9:45PM Aug 22, 2014Observed: 1.73 ft at 10:00PM Aug 22, 2014Observed: 1.72 ft at 10:15PM Aug 22, 2014Observed: 1.72 ft at 10:30PM Aug 22, 2014Observed: 1.72 ft at 10:45PM Aug 22, 2014Observed: 1.72 ft at 11:00PM Aug 22, 2014Observed: 1.72 ft at 11:15PM Aug 22, 2014Observed: 1.72 ft at 11:30PM Aug 22, 2014Observed: 1.72 ft at 11:45PM Aug 22, 2014Observed: 1.72 ft at 12:00AM Aug 23, 2014Observed: 1.72 ft at 12:15AM Aug 23, 2014Observed: 1.71 ft at 12:30AM Aug 23, 2014Observed: 1.71 ft at 12:45AM Aug 23, 2014Observed: 1.71 ft at 1:00AM Aug 23, 2014Observed: 1.72 ft at 1:15AM Aug 23, 2014Observed: 1.72 ft at 1:30AM Aug 23, 2014Observed: 1.72 ft at 1:45AM Aug 23, 2014Observed: 1.72 ft at 2:00AM Aug 23, 2014Observed: 1.72 ft at 2:15AM Aug 23, 2014Observed: 1.73 ft at 2:30AM Aug 23, 2014Observed: 1.74 ft at 2:45AM Aug 23, 2014Observed: 1.78 ft at 3:00AM Aug 23, 2014Observed: 1.87 ft at 3:15AM Aug 23, 2014Observed: 1.96 ft at 3:30AM Aug 23, 2014Observed: 2.02 ft at 3:45AM Aug 23, 2014Observed: 2.05 ft at 4:00AM Aug 23, 2014Observed: 2.06 ft at 4:15AM Aug 23, 2014Observed: 2.07 ft at 4:30AM Aug 23, 2014Observed: 2.07 ft at 4:45AM Aug 23, 2014Observed: 2.08 ft at 5:00AM Aug 23, 2014Observed: 2.09 ft at 5:15AM Aug 23, 2014Observed: 2.09 ft at 5:30AM Aug 23, 2014Observed: 2.09 ft at 5:45AM Aug 23, 2014Observed: 2.09 ft at 6:00AM Aug 23, 2014Observed: 2.08 ft at 6:15AM Aug 23, 2014Observed: 2.08 ft at 6:30AM Aug 23, 2014Observed: 2.07 ft at 6:45AM Aug 23, 2014Observed: 2.07 ft at 7:00AM Aug 23, 2014Observed: 2.05 ft at 7:15AM Aug 23, 2014Observed: 2.04 ft at 7:30AM Aug 23, 2014Observed: 2.04 ft at 7:45AM Aug 23, 2014Observed: 2.04 ft at 8:00AM Aug 23, 2014Observed: 2.02 ft at 8:15AM Aug 23, 2014Observed: 2.02 ft at 8:30AM Aug 23, 2014Observed: 2.01 ft at 8:45AM Aug 23, 2014Observed: 2 ft at 9:00AM Aug 23, 2014Observed: 2 ft at 9:15AM Aug 23, 2014Observed: 2 ft at 9:30AM Aug 23, 2014Observed: 1.98 ft at 9:45AM Aug 23, 2014Observed: 1.98 ft at 10:00AM Aug 23, 2014Observed: 1.98 ft at 10:15AM Aug 23, 2014Observed: 1.98 ft at 10:30AM Aug 23, 2014Observed: 1.97 ft at 10:45AM Aug 23, 2014Observed: 1.97 ft at 11:00AM Aug 23, 2014Observed: 1.96 ft at 11:15AM Aug 23, 2014Observed: 1.95 ft at 11:30AM Aug 23, 2014Observed: 1.95 ft at 11:45AM Aug 23, 2014Observed: 1.94 ft at 12:00PM Aug 23, 2014Observed: 1.94 ft at 12:15PM Aug 23, 2014Observed: 1.93 ft at 12:30PM Aug 23, 2014Observed: 1.93 ft at 12:45PM Aug 23, 2014Observed: 1.93 ft at 1:00PM Aug 23, 2014Observed: 1.93 ft at 1:15PM Aug 23, 2014Observed: 1.93 ft at 1:30PM Aug 23, 2014Observed: 1.93 ft at 1:45PM Aug 23, 2014Observed: 1.92 ft at 2:00PM Aug 23, 2014Observed: 1.93 ft at 2:15PM Aug 23, 2014Observed: 1.92 ft at 2:30PM Aug 23, 2014Observed: 1.93 ft at 2:45PM Aug 23, 2014Observed: 2.1 ft at 3:00PM Aug 23, 2014Highest Observation: 2.48 ft at 3:15PM Aug 23, 2014JHSP1(plotting HGIRG) Graph Created (3:47PM Aug 23, 2014)ObservedLatest observed value: 2.48 ft at 3:15 PM EDT 23-Aug-2014. Flood Stage is 28 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Gauge reading may be affected by ice.

NOTE: Forecasts for the Conemaugh River at Johnstown are issued as needed during times of high water, but are not routinely available.

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Downstream Gauge Downstream Gauge - at Seward
Flood Categories (in feet)
Major Flood Stage:34
Moderate Flood Stage:30
Flood Stage:28
Action Stage:23

Historical Crests
(1) 41.60 ft on 05/31/1889
(2) 39.00 ft on 03/18/1936
(3) 34.00 ft on 07/20/1977
(4) 30.20 ft on 03/29/1924
(5) 25.30 ft on 01/19/1996
(P): Preliminary values subject to further review.

Low Water Records
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
28 Unprotected areas in the vicinity of the river will flood.
26 High water levels should be monitored for contunued rises.
23 Water levels should be monitored for continued rises.
About This Location Collapse

Latitude: 40.341389° N, Longitude: 78.926111° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 28 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 1128.414 ft 1156.414 ft  

Current/Historical Observations:

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Hydrologic Resources Additional Resources
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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: 5-Aug-2014 6:39 PM
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