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Hydrograph River at a Glance Download
Petaluma River at Shollenberger Park Stage (ft)Observed: 5.47 ft at 1:43AM Jul 17, 2018Observed: 5.69 ft at 1:51AM Jul 17, 2018Observed: 5.89 ft at 2:00AM Jul 17, 2018Observed: 6.24 ft at 2:16AM Jul 17, 2018Observed: 6.44 ft at 2:25AM Jul 17, 2018Observed: 6.79 ft at 2:41AM Jul 17, 2018Observed: 7.14 ft at 3:00AM Jul 17, 2018Observed: 7.41 ft at 3:15AM Jul 17, 2018Observed: 7.68 ft at 3:31AM Jul 17, 2018Observed: 7.98 ft at 4:00AM Jul 17, 2018Observed: 8.18 ft at 4:38AM Jul 17, 2018Observed: 8.23 ft at 5:00AM Jul 17, 2018Observed: 8.16 ft at 6:00AM Jul 17, 2018Observed: 7.96 ft at 6:18AM Jul 17, 2018Observed: 7.71 ft at 6:35AM Jul 17, 2018Observed: 7.41 ft at 6:51AM Jul 17, 2018Observed: 6.99 ft at 7:08AM Jul 17, 2018Observed: 6.76 ft at 7:16AM Jul 17, 2018Observed: 6.31 ft at 7:33AM Jul 17, 2018Observed: 6.09 ft at 7:41AM Jul 17, 2018Observed: 4.92 ft at 8:15AM Jul 17, 2018Observed: 4.69 ft at 8:31AM Jul 17, 2018Observed: 4.72 ft at 9:00AM Jul 17, 2018Observed: 4.82 ft at 10:00AM Jul 17, 2018Observed: 5.02 ft at 11:00AM Jul 17, 2018Observed: 5.19 ft at 12:00PM Jul 17, 2018Observed: 5.39 ft at 12:50PM Jul 17, 2018Observed: 5.44 ft at 1:00PM Jul 17, 2018Observed: 5.54 ft at 2:00PM Jul 17, 2018Observed: 5.62 ft at 3:00PM Jul 17, 2018Observed: 5.89 ft at 3:45PM Jul 17, 2018Observed: 6.14 ft at 3:53PM Jul 17, 2018Observed: 6.39 ft at 4:00PM Jul 17, 2018Observed: 6.64 ft at 4:10PM Jul 17, 2018Observed: 6.84 ft at 4:18PM Jul 17, 2018Observed: 7.16 ft at 4:35PM Jul 17, 2018Observed: 7.46 ft at 4:51PM Jul 17, 2018Observed: 7.58 ft at 5:00PM Jul 17, 2018Observed: 7.78 ft at 5:16PM Jul 17, 2018Observed: 8.03 ft at 5:41PM Jul 17, 2018Observed: 8.21 ft at 6:00PM Jul 17, 2018Observed: 8.28 ft at 7:00PM Jul 17, 2018Observed: 8.08 ft at 7:55PM Jul 17, 2018Observed: 8.06 ft at 8:00PM Jul 17, 2018Observed: 7.81 ft at 8:20PM Jul 17, 2018Observed: 7.51 ft at 8:36PM Jul 17, 2018Observed: 7.14 ft at 8:53PM Jul 17, 2018Observed: 6.96 ft at 9:00PM Jul 17, 2018Observed: 6.69 ft at 9:10PM Jul 17, 2018Observed: 6.49 ft at 9:18PM Jul 17, 2018Observed: 6.24 ft at 9:26PM Jul 17, 2018Observed: 6.01 ft at 9:35PM Jul 17, 2018Observed: 5.77 ft at 9:43PM Jul 17, 2018Observed: 5.57 ft at 9:51PM Jul 17, 2018Observed: 5.24 ft at 10:00PM Jul 17, 2018Observed: 4.89 ft at 10:08PM Jul 17, 2018Observed: 4.69 ft at 10:33PM Jul 17, 2018Observed: 4.69 ft at 11:00PM Jul 17, 2018Observed: 4.67 ft at 12:00AM Jul 18, 2018Observed: 4.62 ft at 1:00AM Jul 18, 2018Observed: 4.62 ft at 2:00AM Jul 18, 2018Observed: 4.79 ft at 3:00AM Jul 18, 2018Observed: 5.62 ft at 3:08AM Jul 18, 2018Observed: 5.99 ft at 3:25AM Jul 18, 2018Observed: 6.31 ft at 3:41AM Jul 18, 2018Observed: 6.69 ft at 4:00AM Jul 18, 2018Observed: 6.94 ft at 4:15AM Jul 18, 2018Observed: 7.16 ft at 4:31AM Jul 18, 2018Observed: 7.36 ft at 4:48AM Jul 18, 2018Observed: 7.49 ft at 5:00AM Jul 18, 2018Observed: 7.73 ft at 5:38AM Jul 18, 2018Observed: 7.73 ft at 6:00AM Jul 18, 2018Observed: 7.49 ft at 6:53AM Jul 18, 2018Observed: 7.41 ft at 7:00AM Jul 18, 2018Observed: 7.19 ft at 7:18AM Jul 18, 2018Observed: 6.89 ft at 7:35AM Jul 18, 2018Observed: 6.56 ft at 7:51AM Jul 18, 2018Observed: 6.39 ft at 8:00AM Jul 18, 2018Observed: 5.99 ft at 8:16AM Jul 18, 2018Observed: 5.79 ft at 8:25AM Jul 18, 2018Observed: 5.37 ft at 8:41AM Jul 18, 2018Observed: 5.17 ft at 8:50AM Jul 18, 2018Observed: 4.99 ft at 9:00AM Jul 18, 2018Observed: 5.12 ft at 10:00AM Jul 18, 2018Observed: 5.34 ft at 10:21AM Jul 18, 2018Observed: 5.34 ft at 11:00AM Jul 18, 2018Observed: 5.44 ft at 12:00PM Jul 18, 2018Observed: 5.67 ft at 12:51PM Jul 18, 2018Observed: 5.69 ft at 1:00PM Jul 18, 2018Observed: 5.74 ft at 2:00PM Jul 18, 2018Observed: 5.69 ft at 3:00PM Jul 18, 2018Observed: 5.54 ft at 4:00PM Jul 18, 2018Observed: 5.86 ft at 4:11PM Jul 18, 2018Observed: 6.11 ft at 4:20PM Jul 18, 2018Observed: 6.31 ft at 4:28PM Jul 18, 2018Observed: 6.56 ft at 4:36PM Jul 18, 2018Observed: 6.91 ft at 4:53PM Jul 18, 2018Observed: 7.04 ft at 5:00PM Jul 18, 2018Observed: 7.36 ft at 5:18PM Jul 18, 2018Observed: 7.58 ft at 5:35PM Jul 18, 2018Observed: 7.83 ft at 5:51PM Jul 18, 2018Observed: 7.88 ft at 6:00PM Jul 18, 2018Observed: 8.11 ft at 6:25PM Jul 18, 2018Observed: 8.31 ft at 6:58PM Jul 18, 2018Observed: 8.51 ft at 7:48PM Jul 18, 2018Observed: 8.48 ft at 8:00PM Jul 18, 2018Observed: 8.31 ft at 9:00PM Jul 18, 2018Observed: 8.03 ft at 9:20PM Jul 18, 2018Observed: 7.73 ft at 9:36PM Jul 18, 2018Observed: 7.36 ft at 9:53PM Jul 18, 2018Observed: 7.19 ft at 10:00PM Jul 18, 2018Observed: 6.89 ft at 10:10PM Jul 18, 2018Observed: 6.69 ft at 10:18PM Jul 18, 2018Observed: 6.44 ft at 10:26PM Jul 18, 2018Observed: 6.21 ft at 10:35PM Jul 18, 2018Observed: 5.96 ft at 10:43PM Jul 18, 2018Observed: 5.72 ft at 10:51PM Jul 18, 2018Observed: 5.52 ft at 11:00PM Jul 18, 2018Observed: 5.09 ft at 11:08PM Jul 18, 2018Observed: 4.82 ft at 11:16PM Jul 18, 2018Observed: 4.69 ft at 12:00AM Jul 19, 2018Observed: 4.69 ft at 1:00AM Jul 19, 2018Observed: 4.67 ft at 2:00AM Jul 19, 2018Observed: 4.59 ft at 3:00AM Jul 19, 2018Observed: 4.62 ft at 4:00AM Jul 19, 2018Observed: 5.49 ft at 4:33AM Jul 19, 2018Observed: 5.72 ft at 4:41AM Jul 19, 2018Observed: 6.09 ft at 5:00AM Jul 19, 2018Observed: 6.36 ft at 5:15AM Jul 19, 2018Observed: 6.64 ft at 5:31AM Jul 19, 2018Observed: 6.89 ft at 5:48AM Jul 19, 2018Observed: 7.01 ft at 6:00AM Jul 19, 2018Observed: 7.21 ft at 6:21AM Jul 19, 2018Observed: 7.36 ft at 7:00AM Jul 19, 2018Observed: 7.11 ft at 7:53AM Jul 19, 2018Observed: 7.04 ft at 8:00AM Jul 19, 2018Observed: 6.84 ft at 8:18AM Jul 19, 2018Observed: 6.61 ft at 8:35AM Jul 19, 2018Observed: 6.34 ft at 8:51AM Jul 19, 2018Observed: 6.19 ft at 9:00AM Jul 19, 2018Observed: 5.84 ft at 9:16AM Jul 19, 2018Observed: 5.52 ft at 9:33AM Jul 19, 2018Observed: 5.32 ft at 9:41AM Jul 19, 2018Observed: 5.12 ft at 9:50AM Jul 19, 2018Observed: 4.97 ft at 10:00AM Jul 19, 2018Observed: 5.04 ft at 11:00AM Jul 19, 2018Observed: 5.22 ft at 12:00PM Jul 19, 2018Observed: 5.42 ft at 12:53PM Jul 19, 2018Observed: 5.44 ft at 1:00PM Jul 19, 2018Observed: 5.64 ft at 2:00PM Jul 19, 2018Observed: 5.69 ft at 3:00PM Jul 19, 2018Observed: 5.74 ft at 4:00PM Jul 19, 2018Observed: 5.99 ft at 4:38PM Jul 19, 2018Observed: 6.21 ft at 4:46PM Jul 19, 2018Observed: 6.51 ft at 5:00PM Jul 19, 2018Observed: 6.79 ft at 5:11PM Jul 19, 2018Observed: 7.09 ft at 5:28PM Jul 19, 2018Observed: 7.36 ft at 5:45PM Jul 19, 2018Observed: 7.61 ft at 6:00PM Jul 19, 2018Observed: 7.81 ft at 6:18PM Jul 19, 2018Observed: 8.06 ft at 6:43PM Jul 19, 2018Observed: 8.18 ft at 7:00PM Jul 19, 2018Observed: 8.38 ft at 7:33PM Jul 19, 2018Observed: 8.38 ft at 8:00PM Jul 19, 2018Observed: 8.58 ft at 8:31PM Jul 19, 2018Observed: 8.63 ft at 9:00PM Jul 19, 2018Observed: 8.43 ft at 9:46PM Jul 19, 2018Observed: 8.26 ft at 10:00PM Jul 19, 2018Observed: 7.96 ft at 10:20PM Jul 19, 2018Observed: 7.66 ft at 10:36PM Jul 19, 2018Observed: 7.29 ft at 10:53PM Jul 19, 2018Observed: 7.09 ft at 11:00PM Jul 19, 2018Observed: 6.81 ft at 11:10PM Jul 19, 2018Observed: 6.59 ft at 11:18PM Jul 19, 2018Observed: 6.36 ft at 11:26PM Jul 19, 2018Observed: 6.11 ft at 11:35PM Jul 19, 2018Observed: 5.86 ft at 11:43PM Jul 19, 2018Observed: 5.64 ft at 11:51PM Jul 19, 2018Observed: 5.37 ft at 12:00AM Jul 20, 2018Observed: 4.97 ft at 12:08AM Jul 20, 2018Observed: 4.74 ft at 12:16AM Jul 20, 2018Observed: 4.67 ft at 1:00AM Jul 20, 2018Observed: 4.62 ft at 2:00AM Jul 20, 2018Observed: 4.59 ft at 3:00AM Jul 20, 2018Observed: 4.57 ft at 4:00AM Jul 20, 2018Observed: 4.59 ft at 5:00AM Jul 20, 2018Observed: 4.67 ft at 6:00AM Jul 20, 2018Observed: 5.14 ft at 6:06AM Jul 20, 2018Observed: 5.64 ft at 6:15AM Jul 20, 2018Observed: 5.96 ft at 6:31AM Jul 20, 2018Observed: 6.26 ft at 6:48AM Jul 20, 2018Observed: 6.44 ft at 7:00AM Jul 20, 2018Observed: 6.64 ft at 7:13AM Jul 20, 2018Observed: 6.86 ft at 7:38AM Jul 20, 2018Observed: 6.99 ft at 8:00AM Jul 20, 2018Observed: 6.99 ft at 9:00AM Jul 20, 2018Observed: 6.74 ft at 9:26AM Jul 20, 2018Observed: 6.49 ft at 9:51AM Jul 20, 2018Observed: 6.36 ft at 10:00AM Jul 20, 2018Observed: 6.11 ft at 10:16AM Jul 20, 2018Observed: 5.86 ft at 10:33AM Jul 20, 2018Observed: 5.57 ft at 10:50AM Jul 20, 2018Observed: 5.37 ft at 11:00AM Jul 20, 2018Observed: 5.34 ft at 12:00PM Jul 20, 2018Observed: 5.19 ft at 1:00PM Jul 20, 2018Observed: 5.39 ft at 2:00PM Jul 20, 2018Observed: 5.59 ft at 2:43PM Jul 20, 2018Observed: 5.69 ft at 3:00PM Jul 20, 2018Observed: 5.84 ft at 4:00PM Jul 20, 2018Observed: 5.62 ft at 4:31PM Jul 20, 2018Observed: 5.39 ft at 4:40PM Jul 20, 2018Observed: 5.89 ft at 4:48PM Jul 20, 2018Observed: 6.11 ft at 5:00PM Jul 20, 2018Observed: 6.39 ft at 5:13PM Jul 20, 2018Observed: 6.59 ft at 5:30PM Jul 20, 2018Observed: 6.79 ft at 5:38PM Jul 20, 2018Observed: 7.09 ft at 5:55PM Jul 20, 2018Observed: 7.16 ft at 6:00PM Jul 20, 2018Observed: 7.46 ft at 6:20PM Jul 20, 2018Observed: 7.71 ft at 6:36PM Jul 20, 2018Observed: 7.93 ft at 6:53PM Jul 20, 2018Observed: 8.01 ft at 7:00PM Jul 20, 2018Observed: 8.23 ft at 7:26PM Jul 20, 2018Observed: 8.46 ft at 8:00PM Jul 20, 2018Highest Observation: 8.66 ft at 8:58PM Jul 20, 2018Highest Observation: 8.66 ft at 10:00PM Jul 20, 2018Observed: 8.46 ft at 10:30PM Jul 20, 2018Observed: 8.21 ft at 10:55PM Jul 20, 2018Observed: 8.16 ft at 11:00PM Jul 20, 2018Observed: 7.93 ft at 11:11PM Jul 20, 2018Observed: 7.61 ft at 11:28PM Jul 20, 2018Observed: 7.41 ft at 11:36PM Jul 20, 2018Observed: 7.21 ft at 11:45PM Jul 20, 2018Observed: 6.99 ft at 11:53PM Jul 20, 2018Observed: 6.79 ft at 12:00AM Jul 21, 2018Observed: 6.51 ft at 12:10AM Jul 21, 2018Observed: 6.26 ft at 12:18AM Jul 21, 2018Observed: 6.04 ft at 12:26AM Jul 21, 2018Observed: 5.81 ft at 12:35AM Jul 21, 2018Observed: 5.14 ft at 12:51AM Jul 21, 2018Observed: 4.89 ft at 1:00AM Jul 21, 2018Observed: 4.79 ft at 2:00AM Jul 21, 2018Observed: 4.79 ft at 3:00AM Jul 21, 2018Observed: 4.74 ft at 4:00AM Jul 21, 2018Observed: 4.74 ft at 5:00AM Jul 21, 2018Observed: 4.77 ft at 6:00AM Jul 21, 2018Observed: 4.77 ft at 7:00AM Jul 21, 2018Observed: 5.42 ft at 7:31AM Jul 21, 2018Observed: 5.64 ft at 7:40AM Jul 21, 2018Observed: 5.94 ft at 7:56AM Jul 21, 2018Observed: 6.01 ft at 8:00AM Jul 21, 2018Observed: 6.24 ft at 8:13AM Jul 21, 2018Observed: 6.49 ft at 8:30AM Jul 21, 2018Observed: 6.74 ft at 8:55AM Jul 21, 2018Observed: 6.76 ft at 9:00AM Jul 21, 2018Observed: 6.94 ft at 10:00AM Jul 21, 2018Observed: 6.74 ft at 10:43AM Jul 21, 2018Observed: 6.56 ft at 11:00AM Jul 21, 2018Observed: 6.29 ft at 11:25AM Jul 21, 2018Observed: 6.09 ft at 11:41AM Jul 21, 2018Observed: 5.89 ft at 11:58AM Jul 21, 2018Observed: 5.84 ft at 12:00PM Jul 21, 2018Observed: 5.59 ft at 12:23PM Jul 21, 2018Observed: 5.24 ft at 12:40PM Jul 21, 2018Observed: 5.19 ft at 1:00PM Jul 21, 2018Observed: 5.22 ft at 2:00PM Jul 21, 2018Observed: 5.44 ft at 2:45PM Jul 21, 2018Observed: 5.52 ft at 3:00PM Jul 21, 2018Observed: 5.67 ft at 4:00PM Jul 21, 2018Observed: 5.79 ft at 5:00PM Jul 21, 2018Observed: 6.04 ft at 6:00PM Jul 21, 2018Observed: 6.29 ft at 6:13PM Jul 21, 2018Observed: 6.61 ft at 6:30PM Jul 21, 2018Observed: 6.89 ft at 6:46PM Jul 21, 2018Observed: 7.11 ft at 7:00PM Jul 21, 2018Observed: 7.34 ft at 7:11PM Jul 21, 2018Observed: 7.61 ft at 7:28PM Jul 21, 2018Observed: 7.83 ft at 7:45PM Jul 21, 2018Observed: 8.01 ft at 8:00PM Jul 21, 2018Observed: 8.21 ft at 8:26PM Jul 21, 2018Observed: 8.31 ft at 9:00PM Jul 21, 2018Observed: 8.53 ft at 9:33PM Jul 21, 2018Observed: 8.61 ft at 10:00PM Jul 21, 2018Observed: 8.51 ft at 11:00PM Jul 21, 2018Observed: 8.23 ft at 11:30PM Jul 21, 2018Observed: 7.98 ft at 11:46PM Jul 21, 2018Observed: 7.73 ft at 12:00AM Jul 22, 2018Observed: 7.46 ft at 12:11AM Jul 22, 2018Observed: 7.06 ft at 12:28AM Jul 22, 2018Observed: 6.81 ft at 12:36AM Jul 22, 2018Observed: 6.59 ft at 12:45AM Jul 22, 2018Observed: 6.31 ft at 12:53AM Jul 22, 2018Observed: 6.16 ft at 1:00AM Jul 22, 2018PBEC1(plotting HGIRR) Graph Created (1:15AM Jul 22, 2018)ObservedLatest observed value: 6.16 ft at 1:00 AM PDT 22-Jul-2018. Flood Stage is 10 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Graphical forecasts are not available for the Petaluma River at Shollenberger Park. During times of high water, forecast crest information can be found in the text products.
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Flood Categories (in feet)
Major Flood Stage: 14
Moderate Flood Stage: 12
Flood Stage: 10
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

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.
About This Location Collapse

Latitude: 38.223056° N, Longitude: 122.605278° 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 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
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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
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San Francisco Bay Area Weather Forecast Office
21 Grace Hopper Ave, Stop 5
Monterey, CA 93943-5505
(831) 656-1725
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Page last modified: 21-Dec-2016 10:35 PM
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