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Hydrograph River at a Glance Download
Rock River at Como Stage (ft)Flow (kcfs)Observed: 4.11 ft at 3:30AM Oct 28, 2014Observed: 4.1 ft at 3:45AM Oct 28, 2014Observed: 4.11 ft at 4:00AM Oct 28, 2014Observed: 4.11 ft at 4:15AM Oct 28, 2014Observed: 4.12 ft at 4:30AM Oct 28, 2014Observed: 4.13 ft at 4:45AM Oct 28, 2014Observed: 4.14 ft at 5:00AM Oct 28, 2014Observed: 4.15 ft at 5:15AM Oct 28, 2014Observed: 4.16 ft at 5:30AM Oct 28, 2014Observed: 4.17 ft at 5:45AM Oct 28, 2014Observed: 4.18 ft at 6:00AM Oct 28, 2014Observed: 4.2 ft at 6:15AM Oct 28, 2014Observed: 4.2 ft at 6:30AM Oct 28, 2014Observed: 4.21 ft at 6:45AM Oct 28, 2014Observed: 4.22 ft at 7:00AM Oct 28, 2014Observed: 4.23 ft at 7:15AM Oct 28, 2014Observed: 4.23 ft at 7:30AM Oct 28, 2014Observed: 4.23 ft at 7:45AM Oct 28, 2014Observed: 4.23 ft at 8:00AM Oct 28, 2014Observed: 4.23 ft at 8:15AM Oct 28, 2014Observed: 4.23 ft at 8:30AM Oct 28, 2014Observed: 4.23 ft at 8:45AM Oct 28, 2014Observed: 4.2 ft at 9:00AM Oct 28, 2014Observed: 4.14 ft at 9:15AM Oct 28, 2014Observed: 4.09 ft at 9:30AM Oct 28, 2014Observed: 4.01 ft at 9:45AM Oct 28, 2014Observed: 3.93 ft at 10:00AM Oct 28, 2014Observed: 3.87 ft at 10:15AM Oct 28, 2014Observed: 3.79 ft at 10:30AM Oct 28, 2014Observed: 3.76 ft at 10:45AM Oct 28, 2014Observed: 3.7 ft at 11:00AM Oct 28, 2014Observed: 3.68 ft at 11:15AM Oct 28, 2014Observed: 3.63 ft at 11:30AM Oct 28, 2014Observed: 3.64 ft at 11:45AM Oct 28, 2014Observed: 3.64 ft at 12:00PM Oct 28, 2014Observed: 3.64 ft at 12:15PM Oct 28, 2014Observed: 3.63 ft at 12:30PM Oct 28, 2014Observed: 3.65 ft at 12:45PM Oct 28, 2014Observed: 3.67 ft at 1:00PM Oct 28, 2014Observed: 3.74 ft at 1:15PM Oct 28, 2014Observed: 3.78 ft at 1:30PM Oct 28, 2014Observed: 4.16 ft at 2:45PM Oct 28, 2014Observed: 4.21 ft at 3:00PM Oct 28, 2014Observed: 4.24 ft at 3:15PM Oct 28, 2014Observed: 4.26 ft at 3:30PM Oct 28, 2014Observed: 4.29 ft at 3:45PM Oct 28, 2014Observed: 4.31 ft at 4:00PM Oct 28, 2014Observed: 4.32 ft at 4:15PM Oct 28, 2014Observed: 4.33 ft at 4:30PM Oct 28, 2014Observed: 4.34 ft at 4:45PM Oct 28, 2014Observed: 4.35 ft at 5:00PM Oct 28, 2014Observed: 4.35 ft at 5:15PM Oct 28, 2014Observed: 4.37 ft at 5:30PM Oct 28, 2014Observed: 4.37 ft at 5:45PM Oct 28, 2014Observed: 4.38 ft at 6:00PM Oct 28, 2014Observed: 4.39 ft at 6:15PM Oct 28, 2014Observed: 4.4 ft at 6:30PM Oct 28, 2014Observed: 4.4 ft at 6:45PM Oct 28, 2014Observed: 4.41 ft at 7:00PM Oct 28, 2014Observed: 4.42 ft at 7:15PM Oct 28, 2014Observed: 4.43 ft at 7:30PM Oct 28, 2014Observed: 4.44 ft at 7:45PM Oct 28, 2014Observed: 4.44 ft at 8:00PM Oct 28, 2014Highest Observation: 4.45 ft at 8:15PM Oct 28, 2014Highest Observation: 4.45 ft at 8:30PM Oct 28, 2014Highest Observation: 4.45 ft at 8:45PM Oct 28, 2014Highest Observation: 4.45 ft at 9:00PM Oct 28, 2014Highest Observation: 4.45 ft at 9:15PM Oct 28, 2014Observed: 4.44 ft at 9:30PM Oct 28, 2014Observed: 4.44 ft at 9:45PM Oct 28, 2014Observed: 4.44 ft at 10:00PM Oct 28, 2014Observed: 4.43 ft at 10:15PM Oct 28, 2014Observed: 4.43 ft at 10:30PM Oct 28, 2014Observed: 4.42 ft at 10:45PM Oct 28, 2014Observed: 4.41 ft at 11:00PM Oct 28, 2014Observed: 4.4 ft at 11:15PM Oct 28, 2014Observed: 4.39 ft at 11:30PM Oct 28, 2014Observed: 4.38 ft at 11:45PM Oct 28, 2014Observed: 4.37 ft at 12:00AM Oct 29, 2014Observed: 4.36 ft at 12:15AM Oct 29, 2014Observed: 4.36 ft at 12:30AM Oct 29, 2014Observed: 4.34 ft at 12:45AM Oct 29, 2014Observed: 4.33 ft at 1:00AM Oct 29, 2014Observed: 4.32 ft at 1:15AM Oct 29, 2014Observed: 4.32 ft at 1:30AM Oct 29, 2014Observed: 4.31 ft at 1:45AM Oct 29, 2014Observed: 4.3 ft at 2:00AM Oct 29, 2014Observed: 4.29 ft at 2:15AM Oct 29, 2014Observed: 4.29 ft at 2:30AM Oct 29, 2014Observed: 4.28 ft at 2:45AM Oct 29, 2014Observed: 4.27 ft at 3:00AM Oct 29, 2014Observed: 4.26 ft at 3:15AM Oct 29, 2014Observed: 4.26 ft at 3:30AM Oct 29, 2014Observed: 4.26 ft at 3:45AM Oct 29, 2014Observed: 4.26 ft at 4:00AM Oct 29, 2014Observed: 4.25 ft at 4:15AM Oct 29, 2014Observed: 4.26 ft at 4:30AM Oct 29, 2014Observed: 4.25 ft at 4:45AM Oct 29, 2014Observed: 4.25 ft at 5:00AM Oct 29, 2014Observed: 4.26 ft at 5:15AM Oct 29, 2014Observed: 4.25 ft at 5:30AM Oct 29, 2014Observed: 4.26 ft at 5:45AM Oct 29, 2014Observed: 4.26 ft at 6:00AM Oct 29, 2014Observed: 4.26 ft at 6:15AM Oct 29, 2014Observed: 4.26 ft at 6:30AM Oct 29, 2014Observed: 4.26 ft at 6:45AM Oct 29, 2014Observed: 4.25 ft at 7:00AM Oct 29, 2014Observed: 4.25 ft at 7:15AM Oct 29, 2014Observed: 4.25 ft at 7:30AM Oct 29, 2014Observed: 4.25 ft at 7:45AM Oct 29, 2014Observed: 4.25 ft at 8:00AM Oct 29, 2014Observed: 4.25 ft at 8:15AM Oct 29, 2014Observed: 4.25 ft at 8:30AM Oct 29, 2014Observed: 4.26 ft at 8:45AM Oct 29, 2014Observed: 4.26 ft at 9:00AM Oct 29, 2014Observed: 4.27 ft at 9:15AM Oct 29, 2014Observed: 4.28 ft at 9:30AM Oct 29, 2014Observed: 4.28 ft at 9:45AM Oct 29, 2014Observed: 4.29 ft at 10:00AM Oct 29, 2014Observed: 4.29 ft at 10:15AM Oct 29, 2014Observed: 4.29 ft at 10:30AM Oct 29, 2014Observed: 4.3 ft at 10:45AM Oct 29, 2014Observed: 4.29 ft at 11:00AM Oct 29, 2014Observed: 4.3 ft at 11:15AM Oct 29, 2014Observed: 4.3 ft at 11:30AM Oct 29, 2014Observed: 4.29 ft at 11:45AM Oct 29, 2014Observed: 4.29 ft at 12:00PM Oct 29, 2014Observed: 4.29 ft at 12:15PM Oct 29, 2014Observed: 4.28 ft at 12:30PM Oct 29, 2014Observed: 4.28 ft at 12:45PM Oct 29, 2014Observed: 4.28 ft at 1:00PM Oct 29, 2014Observed: 4.27 ft at 1:15PM Oct 29, 2014Observed: 4.28 ft at 1:30PM Oct 29, 2014Observed: 4.28 ft at 1:45PM Oct 29, 2014Observed: 4.28 ft at 2:00PM Oct 29, 2014Observed: 4.27 ft at 2:15PM Oct 29, 2014Observed: 4.27 ft at 2:30PM Oct 29, 2014Observed: 4.27 ft at 2:45PM Oct 29, 2014Observed: 4.27 ft at 3:00PM Oct 29, 2014Observed: 4.26 ft at 3:15PM Oct 29, 2014Observed: 4.25 ft at 3:30PM Oct 29, 2014Observed: 4.25 ft at 3:45PM Oct 29, 2014Observed: 4.24 ft at 4:00PM Oct 29, 2014Observed: 4.24 ft at 4:15PM Oct 29, 2014Observed: 4.24 ft at 4:30PM Oct 29, 2014Observed: 4.24 ft at 4:45PM Oct 29, 2014Observed: 4.24 ft at 5:00PM Oct 29, 2014Observed: 4.24 ft at 5:15PM Oct 29, 2014Observed: 4.24 ft at 5:30PM Oct 29, 2014Observed: 4.24 ft at 5:45PM Oct 29, 2014Observed: 4.24 ft at 6:00PM Oct 29, 2014Observed: 4.23 ft at 6:15PM Oct 29, 2014Observed: 4.23 ft at 6:30PM Oct 29, 2014Observed: 4.24 ft at 6:45PM Oct 29, 2014Observed: 4.23 ft at 7:00PM Oct 29, 2014Observed: 4.23 ft at 7:15PM Oct 29, 2014Observed: 4.23 ft at 7:30PM Oct 29, 2014Observed: 4.24 ft at 7:45PM Oct 29, 2014Observed: 4.24 ft at 8:00PM Oct 29, 2014Observed: 4.24 ft at 8:15PM Oct 29, 2014Observed: 4.24 ft at 8:30PM Oct 29, 2014Observed: 4.25 ft at 8:45PM Oct 29, 2014Observed: 4.25 ft at 9:00PM Oct 29, 2014Observed: 4.25 ft at 9:15PM Oct 29, 2014Observed: 4.25 ft at 9:30PM Oct 29, 2014Observed: 4.25 ft at 9:45PM Oct 29, 2014Observed: 4.24 ft at 10:00PM Oct 29, 2014Observed: 4.25 ft at 10:15PM Oct 29, 2014Observed: 4.24 ft at 10:30PM Oct 29, 2014Observed: 4.24 ft at 10:45PM Oct 29, 2014Observed: 4.24 ft at 11:00PM Oct 29, 2014Observed: 4.23 ft at 11:15PM Oct 29, 2014Observed: 4.23 ft at 11:30PM Oct 29, 2014Observed: 4.23 ft at 11:45PM Oct 29, 2014Observed: 4.23 ft at 12:00AM Oct 30, 2014Observed: 4.22 ft at 12:15AM Oct 30, 2014Observed: 4.22 ft at 12:30AM Oct 30, 2014Observed: 4.22 ft at 12:45AM Oct 30, 2014Observed: 4.22 ft at 1:00AM Oct 30, 2014Observed: 4.21 ft at 1:15AM Oct 30, 2014Observed: 4.21 ft at 1:30AM Oct 30, 2014Observed: 4.21 ft at 1:45AM Oct 30, 2014Observed: 4.21 ft at 2:00AM Oct 30, 2014Observed: 4.21 ft at 2:15AM Oct 30, 2014Observed: 4.2 ft at 2:30AM Oct 30, 2014Observed: 4.2 ft at 2:45AM Oct 30, 2014Observed: 4.2 ft at 3:00AM Oct 30, 2014Observed: 4.2 ft at 3:15AM Oct 30, 2014Observed: 4.2 ft at 3:30AM Oct 30, 2014Observed: 4.2 ft at 3:45AM Oct 30, 2014Observed: 4.19 ft at 4:00AM Oct 30, 2014Observed: 4.2 ft at 4:15AM Oct 30, 2014Observed: 4.2 ft at 4:30AM Oct 30, 2014Observed: 4.2 ft at 4:45AM Oct 30, 2014Observed: 4.2 ft at 5:00AM Oct 30, 2014Observed: 4.2 ft at 5:15AM Oct 30, 2014Observed: 4.2 ft at 5:30AM Oct 30, 2014Observed: 4.2 ft at 5:45AM Oct 30, 2014Observed: 4.2 ft at 6:00AM Oct 30, 2014Observed: 4.21 ft at 6:15AM Oct 30, 2014Observed: 4.2 ft at 6:30AM Oct 30, 2014Observed: 4.2 ft at 6:45AM Oct 30, 2014Observed: 4.2 ft at 7:00AM Oct 30, 2014Observed: 4.21 ft at 7:15AM Oct 30, 2014Observed: 4.21 ft at 7:30AM Oct 30, 2014Observed: 4.2 ft at 7:45AM Oct 30, 2014Observed: 4.21 ft at 8:00AM Oct 30, 2014Observed: 4.21 ft at 8:15AM Oct 30, 2014Observed: 4.21 ft at 8:30AM Oct 30, 2014Observed: 4.2 ft at 8:45AM Oct 30, 2014Observed: 4.21 ft at 9:00AM Oct 30, 2014Observed: 4.21 ft at 9:15AM Oct 30, 2014Observed: 4.21 ft at 9:30AM Oct 30, 2014Observed: 4.21 ft at 9:45AM Oct 30, 2014Observed: 4.21 ft at 10:00AM Oct 30, 2014Observed: 4.22 ft at 10:15AM Oct 30, 2014Observed: 4.22 ft at 10:30AM Oct 30, 2014Observed: 4.21 ft at 10:45AM Oct 30, 2014Observed: 4.21 ft at 11:00AM Oct 30, 2014Observed: 4.18 ft at 11:15AM Oct 30, 2014Observed: 4.12 ft at 11:30AM Oct 30, 2014Observed: 4.05 ft at 11:45AM Oct 30, 2014Observed: 3.97 ft at 12:00PM Oct 30, 2014Observed: 3.88 ft at 12:15PM Oct 30, 2014Observed: 3.77 ft at 12:30PM Oct 30, 2014Observed: 3.71 ft at 12:45PM Oct 30, 2014Observed: 3.63 ft at 1:00PM Oct 30, 2014Observed: 3.56 ft at 1:15PM Oct 30, 2014Observed: 3.51 ft at 1:30PM Oct 30, 2014Observed: 3.45 ft at 1:45PM Oct 30, 2014Observed: 3.42 ft at 2:00PM Oct 30, 2014Observed: 3.38 ft at 2:15PM Oct 30, 2014Observed: 3.33 ft at 2:30PM Oct 30, 2014Observed: 3.34 ft at 2:45PM Oct 30, 2014Observed: 3.34 ft at 3:00PM Oct 30, 2014Observed: 3.33 ft at 3:15PM Oct 30, 2014Observed: 3.33 ft at 3:30PM Oct 30, 2014Observed: 3.33 ft at 3:45PM Oct 30, 2014Observed: 3.34 ft at 4:00PM Oct 30, 2014Observed: 3.34 ft at 4:15PM Oct 30, 2014Observed: 3.35 ft at 4:30PM Oct 30, 2014Observed: 3.36 ft at 4:45PM Oct 30, 2014Observed: 3.37 ft at 5:00PM Oct 30, 2014Observed: 3.38 ft at 5:15PM Oct 30, 2014Observed: 3.39 ft at 5:30PM Oct 30, 2014Observed: 3.41 ft at 5:45PM Oct 30, 2014Observed: 3.42 ft at 6:00PM Oct 30, 2014Observed: 3.44 ft at 6:15PM Oct 30, 2014Observed: 3.45 ft at 6:30PM Oct 30, 2014Observed: 3.47 ft at 6:45PM Oct 30, 2014Observed: 3.49 ft at 7:00PM Oct 30, 2014Observed: 3.5 ft at 7:15PM Oct 30, 2014Observed: 3.52 ft at 7:30PM Oct 30, 2014Observed: 3.54 ft at 7:45PM Oct 30, 2014Observed: 3.55 ft at 8:00PM Oct 30, 2014Observed: 3.57 ft at 8:15PM Oct 30, 2014Observed: 3.58 ft at 8:30PM Oct 30, 2014Observed: 3.6 ft at 8:45PM Oct 30, 2014Observed: 3.61 ft at 9:00PM Oct 30, 2014Observed: 3.62 ft at 9:15PM Oct 30, 2014Observed: 3.64 ft at 9:30PM Oct 30, 2014Observed: 3.65 ft at 9:45PM Oct 30, 2014Observed: 3.66 ft at 10:00PM Oct 30, 2014Observed: 3.68 ft at 10:15PM Oct 30, 2014Observed: 3.69 ft at 10:30PM Oct 30, 2014Observed: 3.7 ft at 10:45PM Oct 30, 2014Observed: 3.71 ft at 11:00PM Oct 30, 2014Observed: 3.72 ft at 11:15PM Oct 30, 2014Observed: 3.73 ft at 11:30PM Oct 30, 2014Observed: 3.74 ft at 11:45PM Oct 30, 2014Observed: 3.75 ft at 12:00AM Oct 31, 2014Observed: 3.76 ft at 12:15AM Oct 31, 2014Observed: 3.77 ft at 12:30AM Oct 31, 2014Observed: 3.77 ft at 12:45AM Oct 31, 2014Observed: 3.79 ft at 1:00AM Oct 31, 2014Observed: 3.79 ft at 1:15AM Oct 31, 2014Observed: 3.8 ft at 1:30AM Oct 31, 2014Observed: 3.81 ft at 1:45AM Oct 31, 2014Observed: 3.78 ft at 2:00AM Oct 31, 2014Observed: 3.79 ft at 2:15AM Oct 31, 2014Observed: 3.81 ft at 2:30AM Oct 31, 2014U.S. Geological SurveyCMOI2(plotting HGIRG) Graph Created (3:16AM Oct 31, 2014)ObservedLatest observed value: 3.81 ft at 2:30 AM CDT 31-Oct-2014. Flood Stage is 10 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: Forecasts for the Rock River at Como are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Dixon Upstream Gauge Downstream Gauge Downstream Gauge - near Joslin
Flood Categories (in feet)
Major Flood Stage:12
Moderate Flood Stage:11
Flood Stage:10
Action Stage:9

Historical Crests
(1) 19.60 ft on 02/16/1918
(2) 18.63 ft on 03/07/1929
(3) 18.40 ft on 01/22/1916
(4) 17.70 ft on 02/24/1925
(5) 17.51 ft on 02/07/1938
(6) 17.02 ft on 03/28/1916
(7) 16.63 ft on 02/25/1937
(8) 16.60 ft on 03/17/1929
(9) 16.52 ft on 03/20/1919
(10) 16.33 ft on 03/27/1920
Show More Historical 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.
About This Location Collapse

Latitude: 41.782778° N, Longitude: 89.749722° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 10 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 29 606.83 ft 616.83 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
How low could the river get?
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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
Quad Cities Weather Forecast Office
9050 Harrison Street
Davenport, IA 52806-7326
(563) 386-3976
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Page last modified: 5-Aug-2014 6:38 PM
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