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Hydrograph River at a Glance Download
Rock River at Byron Stage (ft)Flow (kcfs)Observed: 8.04 ft at 10:45PM Jul 19, 2014Highest Observation: 8.06 ft at 11:00PM Jul 19, 2014Observed: 8.04 ft at 11:15PM Jul 19, 2014Observed: 8.05 ft at 11:30PM Jul 19, 2014Observed: 8.05 ft at 11:45PM Jul 19, 2014Observed: 8.04 ft at 12:00AM Jul 20, 2014Observed: 8.05 ft at 12:15AM Jul 20, 2014Observed: 8.05 ft at 12:30AM Jul 20, 2014Observed: 8.03 ft at 12:45AM Jul 20, 2014Observed: 8.05 ft at 1:00AM Jul 20, 2014Observed: 8.04 ft at 1:15AM Jul 20, 2014Observed: 8.03 ft at 1:30AM Jul 20, 2014Observed: 8.04 ft at 1:45AM Jul 20, 2014Observed: 8.05 ft at 2:00AM Jul 20, 2014Observed: 8.03 ft at 2:15AM Jul 20, 2014Observed: 8.03 ft at 2:30AM Jul 20, 2014Observed: 8.04 ft at 2:45AM Jul 20, 2014Observed: 8.03 ft at 3:00AM Jul 20, 2014Observed: 8.02 ft at 3:15AM Jul 20, 2014Observed: 8.02 ft at 3:30AM Jul 20, 2014Observed: 8.04 ft at 3:45AM Jul 20, 2014Observed: 8.03 ft at 4:00AM Jul 20, 2014Observed: 8.02 ft at 4:15AM Jul 20, 2014Observed: 8.01 ft at 4:30AM Jul 20, 2014Observed: 8.02 ft at 4:45AM Jul 20, 2014Observed: 8.02 ft at 5:00AM Jul 20, 2014Observed: 8.02 ft at 5:15AM Jul 20, 2014Observed: 8.02 ft at 5:30AM Jul 20, 2014Observed: 8.01 ft at 5:45AM Jul 20, 2014Observed: 8 ft at 6:00AM Jul 20, 2014Observed: 8 ft at 6:15AM Jul 20, 2014Observed: 7.99 ft at 6:30AM Jul 20, 2014Observed: 7.99 ft at 6:45AM Jul 20, 2014Observed: 8 ft at 7:00AM Jul 20, 2014Observed: 7.99 ft at 7:15AM Jul 20, 2014Observed: 7.99 ft at 7:30AM Jul 20, 2014Observed: 7.99 ft at 7:45AM Jul 20, 2014Observed: 7.98 ft at 8:00AM Jul 20, 2014Observed: 7.97 ft at 8:15AM Jul 20, 2014Observed: 7.98 ft at 8:30AM Jul 20, 2014Observed: 7.98 ft at 8:45AM Jul 20, 2014Observed: 7.98 ft at 9:00AM Jul 20, 2014Observed: 7.99 ft at 9:15AM Jul 20, 2014Observed: 7.99 ft at 9:30AM Jul 20, 2014Observed: 7.98 ft at 9:45AM Jul 20, 2014Observed: 7.97 ft at 10:00AM Jul 20, 2014Observed: 7.97 ft at 10:15AM Jul 20, 2014Observed: 7.95 ft at 10:30AM Jul 20, 2014Observed: 7.97 ft at 10:45AM Jul 20, 2014Observed: 7.96 ft at 11:00AM Jul 20, 2014Observed: 7.94 ft at 11:15AM Jul 20, 2014Observed: 7.96 ft at 11:30AM Jul 20, 2014Observed: 7.96 ft at 11:45AM Jul 20, 2014Observed: 7.95 ft at 12:00PM Jul 20, 2014Observed: 7.95 ft at 12:15PM Jul 20, 2014Observed: 7.96 ft at 12:30PM Jul 20, 2014Observed: 7.93 ft at 12:45PM Jul 20, 2014Observed: 7.95 ft at 1:00PM Jul 20, 2014Observed: 7.94 ft at 1:15PM Jul 20, 2014Observed: 7.92 ft at 1:30PM Jul 20, 2014Observed: 7.94 ft at 1:45PM Jul 20, 2014Observed: 7.92 ft at 2:00PM Jul 20, 2014Observed: 7.94 ft at 2:15PM Jul 20, 2014Observed: 7.91 ft at 2:30PM Jul 20, 2014Observed: 7.93 ft at 2:45PM Jul 20, 2014Observed: 7.93 ft at 3:00PM Jul 20, 2014Observed: 7.93 ft at 3:15PM Jul 20, 2014Observed: 7.94 ft at 3:30PM Jul 20, 2014Observed: 7.91 ft at 3:45PM Jul 20, 2014Observed: 7.94 ft at 4:00PM Jul 20, 2014Observed: 7.93 ft at 4:15PM Jul 20, 2014Observed: 7.93 ft at 4:30PM Jul 20, 2014Observed: 7.92 ft at 4:45PM Jul 20, 2014Observed: 7.94 ft at 5:00PM Jul 20, 2014Observed: 7.91 ft at 5:15PM Jul 20, 2014Observed: 7.94 ft at 5:30PM Jul 20, 2014Observed: 7.92 ft at 5:45PM Jul 20, 2014Observed: 7.92 ft at 6:00PM Jul 20, 2014Observed: 7.92 ft at 6:15PM Jul 20, 2014Observed: 7.91 ft at 6:30PM Jul 20, 2014Observed: 7.91 ft at 6:45PM Jul 20, 2014Observed: 7.91 ft at 7:00PM Jul 20, 2014Observed: 7.92 ft at 7:15PM Jul 20, 2014Observed: 7.92 ft at 7:30PM Jul 20, 2014Observed: 7.91 ft at 7:45PM Jul 20, 2014Observed: 7.92 ft at 8:00PM Jul 20, 2014Observed: 7.91 ft at 8:15PM Jul 20, 2014Observed: 7.92 ft at 8:30PM Jul 20, 2014Observed: 7.9 ft at 8:45PM Jul 20, 2014Observed: 7.9 ft at 9:00PM Jul 20, 2014Observed: 7.9 ft at 9:15PM Jul 20, 2014Observed: 7.9 ft at 9:30PM Jul 20, 2014Observed: 7.9 ft at 9:45PM Jul 20, 2014Observed: 7.89 ft at 10:00PM Jul 20, 2014Observed: 7.89 ft at 10:15PM Jul 20, 2014Observed: 7.9 ft at 10:30PM Jul 20, 2014Observed: 7.89 ft at 10:45PM Jul 20, 2014Observed: 7.89 ft at 11:00PM Jul 20, 2014Observed: 7.9 ft at 11:15PM Jul 20, 2014Observed: 7.9 ft at 11:30PM Jul 20, 2014Observed: 7.89 ft at 11:45PM Jul 20, 2014Observed: 7.89 ft at 12:00AM Jul 21, 2014Observed: 7.89 ft at 12:15AM Jul 21, 2014Observed: 7.89 ft at 12:30AM Jul 21, 2014Observed: 7.88 ft at 12:45AM Jul 21, 2014Observed: 7.88 ft at 1:00AM Jul 21, 2014Observed: 7.89 ft at 1:15AM Jul 21, 2014Observed: 7.88 ft at 1:30AM Jul 21, 2014Observed: 7.88 ft at 1:45AM Jul 21, 2014Observed: 7.87 ft at 2:00AM Jul 21, 2014Observed: 7.87 ft at 2:15AM Jul 21, 2014Observed: 7.88 ft at 2:30AM Jul 21, 2014Observed: 7.88 ft at 2:45AM Jul 21, 2014Observed: 7.87 ft at 3:00AM Jul 21, 2014Observed: 7.86 ft at 3:15AM Jul 21, 2014Observed: 7.86 ft at 3:30AM Jul 21, 2014Observed: 7.86 ft at 3:45AM Jul 21, 2014Observed: 7.86 ft at 4:00AM Jul 21, 2014Observed: 7.86 ft at 4:15AM Jul 21, 2014Observed: 7.86 ft at 4:30AM Jul 21, 2014Observed: 7.87 ft at 4:45AM Jul 21, 2014Observed: 7.86 ft at 5:00AM Jul 21, 2014Observed: 7.87 ft at 5:15AM Jul 21, 2014Observed: 7.86 ft at 5:30AM Jul 21, 2014Observed: 7.85 ft at 5:45AM Jul 21, 2014Observed: 7.85 ft at 6:00AM Jul 21, 2014Observed: 7.84 ft at 6:15AM Jul 21, 2014Observed: 7.85 ft at 6:30AM Jul 21, 2014Observed: 7.85 ft at 6:45AM Jul 21, 2014Observed: 7.84 ft at 7:00AM Jul 21, 2014Observed: 7.85 ft at 7:15AM Jul 21, 2014Observed: 7.84 ft at 8:30AM Jul 21, 2014Observed: 7.84 ft at 8:45AM Jul 21, 2014Observed: 7.85 ft at 9:00AM Jul 21, 2014Observed: 7.84 ft at 9:15AM Jul 21, 2014Observed: 7.84 ft at 9:30AM Jul 21, 2014Observed: 7.84 ft at 9:45AM Jul 21, 2014Observed: 7.84 ft at 10:00AM Jul 21, 2014Observed: 7.85 ft at 10:15AM Jul 21, 2014Observed: 7.85 ft at 10:30AM Jul 21, 2014Observed: 7.85 ft at 10:45AM Jul 21, 2014Observed: 7.85 ft at 11:00AM Jul 21, 2014Observed: 7.86 ft at 11:15AM Jul 21, 2014Observed: 7.84 ft at 11:30AM Jul 21, 2014Observed: 7.84 ft at 11:45AM Jul 21, 2014Observed: 7.83 ft at 12:00PM Jul 21, 2014Observed: 7.83 ft at 12:15PM Jul 21, 2014Observed: 7.83 ft at 12:30PM Jul 21, 2014Observed: 7.83 ft at 12:45PM Jul 21, 2014Observed: 7.84 ft at 1:00PM Jul 21, 2014Observed: 7.82 ft at 1:15PM Jul 21, 2014Observed: 7.83 ft at 1:30PM Jul 21, 2014Observed: 7.82 ft at 1:45PM Jul 21, 2014Observed: 7.81 ft at 2:00PM Jul 21, 2014Observed: 7.81 ft at 2:15PM Jul 21, 2014Observed: 7.82 ft at 2:30PM Jul 21, 2014Observed: 7.8 ft at 2:45PM Jul 21, 2014Observed: 7.8 ft at 3:00PM Jul 21, 2014Observed: 7.8 ft at 3:15PM Jul 21, 2014Observed: 7.8 ft at 3:30PM Jul 21, 2014Observed: 7.8 ft at 3:45PM Jul 21, 2014Observed: 7.78 ft at 4:00PM Jul 21, 2014Observed: 7.79 ft at 4:15PM Jul 21, 2014Observed: 7.79 ft at 4:30PM Jul 21, 2014Observed: 7.77 ft at 4:45PM Jul 21, 2014Observed: 7.79 ft at 5:00PM Jul 21, 2014Observed: 7.78 ft at 5:15PM Jul 21, 2014Observed: 7.78 ft at 5:30PM Jul 21, 2014Observed: 7.76 ft at 5:45PM Jul 21, 2014Observed: 7.78 ft at 6:00PM Jul 21, 2014Observed: 7.77 ft at 6:15PM Jul 21, 2014Observed: 7.77 ft at 6:30PM Jul 21, 2014Observed: 7.75 ft at 6:45PM Jul 21, 2014Observed: 7.77 ft at 7:00PM Jul 21, 2014Observed: 7.76 ft at 7:15PM Jul 21, 2014Observed: 7.75 ft at 7:30PM Jul 21, 2014Observed: 7.75 ft at 7:45PM Jul 21, 2014Observed: 7.74 ft at 8:00PM Jul 21, 2014Observed: 7.75 ft at 8:15PM Jul 21, 2014Observed: 7.74 ft at 8:30PM Jul 21, 2014Observed: 7.74 ft at 8:45PM Jul 21, 2014Observed: 7.74 ft at 9:00PM Jul 21, 2014Observed: 7.76 ft at 9:15PM Jul 21, 2014Observed: 7.73 ft at 9:30PM Jul 21, 2014Observed: 7.73 ft at 9:45PM Jul 21, 2014Observed: 7.72 ft at 10:00PM Jul 21, 2014Observed: 7.73 ft at 10:15PM Jul 21, 2014Observed: 7.74 ft at 10:30PM Jul 21, 2014Observed: 7.72 ft at 10:45PM Jul 21, 2014Observed: 7.73 ft at 11:00PM Jul 21, 2014Observed: 7.73 ft at 11:15PM Jul 21, 2014Observed: 7.73 ft at 11:30PM Jul 21, 2014Observed: 7.74 ft at 11:45PM Jul 21, 2014Observed: 7.73 ft at 12:00AM Jul 22, 2014Observed: 7.72 ft at 12:15AM Jul 22, 2014Observed: 7.72 ft at 12:30AM Jul 22, 2014Observed: 7.71 ft at 12:45AM Jul 22, 2014Observed: 7.72 ft at 1:00AM Jul 22, 2014Observed: 7.73 ft at 1:15AM Jul 22, 2014Observed: 7.73 ft at 1:30AM Jul 22, 2014Observed: 7.73 ft at 1:45AM Jul 22, 2014Observed: 7.72 ft at 2:00AM Jul 22, 2014Observed: 7.72 ft at 2:15AM Jul 22, 2014Observed: 7.72 ft at 2:30AM Jul 22, 2014Observed: 7.71 ft at 2:45AM Jul 22, 2014Observed: 7.72 ft at 3:00AM Jul 22, 2014Observed: 7.73 ft at 3:15AM Jul 22, 2014Observed: 7.73 ft at 3:30AM Jul 22, 2014Observed: 7.71 ft at 3:45AM Jul 22, 2014Observed: 7.71 ft at 4:00AM Jul 22, 2014Observed: 7.71 ft at 4:15AM Jul 22, 2014Observed: 7.7 ft at 4:30AM Jul 22, 2014Observed: 7.71 ft at 4:45AM Jul 22, 2014Observed: 7.7 ft at 5:00AM Jul 22, 2014Observed: 7.7 ft at 5:15AM Jul 22, 2014Observed: 7.71 ft at 5:30AM Jul 22, 2014Observed: 7.72 ft at 5:45AM Jul 22, 2014Observed: 7.72 ft at 6:00AM Jul 22, 2014Observed: 7.71 ft at 6:15AM Jul 22, 2014Observed: 7.72 ft at 6:30AM Jul 22, 2014Observed: 7.71 ft at 6:45AM Jul 22, 2014Observed: 7.71 ft at 7:00AM Jul 22, 2014Observed: 7.71 ft at 7:15AM Jul 22, 2014Observed: 7.69 ft at 7:30AM Jul 22, 2014Observed: 7.68 ft at 7:45AM Jul 22, 2014Observed: 7.68 ft at 8:00AM Jul 22, 2014Observed: 7.68 ft at 8:15AM Jul 22, 2014Observed: 7.67 ft at 8:30AM Jul 22, 2014Observed: 7.68 ft at 8:45AM Jul 22, 2014Observed: 7.68 ft at 9:00AM Jul 22, 2014Observed: 7.69 ft at 9:15AM Jul 22, 2014Observed: 7.68 ft at 9:30AM Jul 22, 2014Observed: 7.68 ft at 9:45AM Jul 22, 2014Observed: 7.68 ft at 10:00AM Jul 22, 2014Observed: 7.67 ft at 10:15AM Jul 22, 2014Observed: 7.66 ft at 10:30AM Jul 22, 2014Observed: 7.66 ft at 10:45AM Jul 22, 2014Observed: 7.67 ft at 11:00AM Jul 22, 2014Observed: 7.67 ft at 11:15AM Jul 22, 2014Observed: 7.69 ft at 11:30AM Jul 22, 2014Observed: 7.67 ft at 11:45AM Jul 22, 2014Observed: 7.67 ft at 12:00PM Jul 22, 2014Observed: 7.66 ft at 12:15PM Jul 22, 2014Observed: 7.66 ft at 12:30PM Jul 22, 2014Observed: 7.66 ft at 12:45PM Jul 22, 2014Observed: 7.66 ft at 1:00PM Jul 22, 2014Observed: 7.66 ft at 1:15PM Jul 22, 2014Observed: 7.66 ft at 1:30PM Jul 22, 2014Observed: 7.66 ft at 1:45PM Jul 22, 2014Observed: 7.64 ft at 2:00PM Jul 22, 2014Observed: 7.64 ft at 2:15PM Jul 22, 2014Observed: 7.68 ft at 2:30PM Jul 22, 2014Observed: 7.64 ft at 2:45PM Jul 22, 2014Observed: 7.63 ft at 3:00PM Jul 22, 2014Observed: 7.63 ft at 3:15PM Jul 22, 2014Observed: 7.63 ft at 3:30PM Jul 22, 2014Observed: 7.64 ft at 3:45PM Jul 22, 2014Observed: 7.64 ft at 4:00PM Jul 22, 2014Observed: 7.62 ft at 4:15PM Jul 22, 2014Observed: 7.63 ft at 4:30PM Jul 22, 2014Observed: 7.63 ft at 4:45PM Jul 22, 2014Observed: 7.62 ft at 5:00PM Jul 22, 2014Observed: 7.62 ft at 5:15PM Jul 22, 2014Observed: 7.63 ft at 5:30PM Jul 22, 2014Observed: 7.62 ft at 5:45PM Jul 22, 2014Observed: 7.62 ft at 6:00PM Jul 22, 2014Observed: 7.63 ft at 6:15PM Jul 22, 2014Observed: 7.62 ft at 6:30PM Jul 22, 2014Observed: 7.62 ft at 6:45PM Jul 22, 2014Observed: 7.62 ft at 7:00PM Jul 22, 2014Observed: 7.61 ft at 7:15PM Jul 22, 2014Observed: 7.62 ft at 7:30PM Jul 22, 2014Observed: 7.61 ft at 7:45PM Jul 22, 2014Observed: 7.61 ft at 8:00PM Jul 22, 2014Observed: 7.62 ft at 8:15PM Jul 22, 2014Observed: 7.61 ft at 8:30PM Jul 22, 2014Observed: 7.64 ft at 8:45PM Jul 22, 2014Observed: 7.6 ft at 9:00PM Jul 22, 2014Observed: 7.61 ft at 9:15PM Jul 22, 2014Observed: 7.6 ft at 9:30PM Jul 22, 2014Observed: 7.61 ft at 9:45PM Jul 22, 2014Observed: 7.6 ft at 10:00PM Jul 22, 2014Observed: 7.61 ft at 10:15PM Jul 22, 2014USGS--Water Resources of the United StatesBYRI2(plotting HGIRG) Graph Created (10:34PM Jul 22, 2014)ObservedLatest observed value: 7.61 ft at 10:15 PM CDT 22-Jul-2014. Flood Stage is 13 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: We are looking for a volunteer to report rainfall and/or snowfall near this location. If interested, please contact the local NWS office or go to http://www.cocorahs.org/

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

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Upstream Gauge - at Rockford Upstream Gauge Downstream Gauge Downstream Gauge - at Dixon Hydro
Flood Categories (in feet)
Major Flood Stage:16
Moderate Flood Stage:14
Flood Stage:13
Action Stage:10.5

Historical Crests
(1) 17.12 ft on 04/20/2013
(2) 16.50 ft on 07/25/2010
(3) 16.12 ft on 06/14/2000
(4) 15.52 ft on 08/25/2007
(5) 14.81 ft on 06/15/2008
(6) 14.67 ft on 06/05/2002
(7) 13.66 ft on 03/11/2009
(8) 13.19 ft on 06/13/2004
(9) 12.30 ft on 01/15/2005
(10) 11.74 ft on 02/25/2001
Show More Historical Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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
17 Water inundates Kishwaukee Road near the river.
15 Extensive lowland flooding along the river.
13 Water approaches houses along the river downstream from Byron.
12 Water inundates yards of several houses along River Road near Byron. Parks near the bridge in Byron are completely flooded.
10.5 Water begins to affect lowest areas along the river near Byron.
About This Location Collapse

Latitude: 42.123056° N, Longitude: 89.255833° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 13 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 666.134 ft 679.134 ft  

Current/Historical Observations:

Additional Information Collapse
How much forecast precipitation was used for the current river forecast?
How low could the river get?
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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
Chicago Weather Forecast Office
333 W. University Dr.
Romeoville, IL 60446
(815) 834-1435
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Page last modified: 16-Jul-2014 2:07 AM
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