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Hydrograph River at a Glance Download
Petaluma River at Shollenberger Park Stage (ft)Observed: 4.12 ft at 10:00PM May 22, 2020Observed: 4.49 ft at 10:08PM May 22, 2020Observed: 4.72 ft at 10:25PM May 22, 2020Observed: 5.04 ft at 10:41PM May 22, 2020Observed: 5.39 ft at 10:58PM May 22, 2020Observed: 5.49 ft at 11:00PM May 22, 2020Observed: 5.72 ft at 11:15PM May 22, 2020Observed: 6.01 ft at 11:31PM May 22, 2020Observed: 6.31 ft at 11:48PM May 22, 2020Observed: 6.56 ft at 12:00AM May 23, 2020Observed: 6.84 ft at 12:21AM May 23, 2020Observed: 7.09 ft at 12:46AM May 23, 2020Observed: 7.21 ft at 1:00AM May 23, 2020Observed: 7.44 ft at 2:00AM May 23, 2020Observed: 7.29 ft at 3:00AM May 23, 2020Observed: 7.09 ft at 3:16AM May 23, 2020Observed: 6.84 ft at 3:33AM May 23, 2020Observed: 6.49 ft at 3:50AM May 23, 2020Observed: 6.29 ft at 3:58AM May 23, 2020Observed: 6.09 ft at 4:06AM May 23, 2020Observed: 5.84 ft at 4:15AM May 23, 2020Observed: 5.62 ft at 4:23AM May 23, 2020Observed: 5.39 ft at 4:31AM May 23, 2020Observed: 5.14 ft at 4:40AM May 23, 2020Observed: 4.89 ft at 4:48AM May 23, 2020Observed: 4.64 ft at 4:56AM May 23, 2020Observed: 4.62 ft at 5:00AM May 23, 2020Observed: 4.12 ft at 5:13AM May 23, 2020Observed: 4.12 ft at 6:00AM May 23, 2020Observed: 4.12 ft at 7:00AM May 23, 2020Observed: 4.12 ft at 8:00AM May 23, 2020Observed: 4.12 ft at 9:00AM May 23, 2020Observed: 4.32 ft at 10:00AM May 23, 2020Observed: 4.12 ft at 10:13AM May 23, 2020Observed: 4.12 ft at 11:00AM May 23, 2020Observed: 4.12 ft at 12:00PM May 23, 2020Observed: 4.12 ft at 1:00PM May 23, 2020Observed: 4.12 ft at 2:00PM May 23, 2020Observed: 4.49 ft at 2:23PM May 23, 2020Observed: 4.77 ft at 2:40PM May 23, 2020Observed: 5.04 ft at 3:00PM May 23, 2020Observed: 5.24 ft at 3:38PM May 23, 2020Observed: 5.29 ft at 4:00PM May 23, 2020Observed: 5.04 ft at 4:20PM May 23, 2020Observed: 4.77 ft at 4:45PM May 23, 2020Observed: 4.44 ft at 5:00PM May 23, 2020Observed: 4.12 ft at 5:10PM May 23, 2020Observed: 4.12 ft at 6:00PM May 23, 2020Observed: 4.12 ft at 7:00PM May 23, 2020Observed: 4.34 ft at 7:15PM May 23, 2020Observed: 4.12 ft at 7:40PM May 23, 2020Observed: 4.12 ft at 8:00PM May 23, 2020Observed: 4.1 ft at 9:00PM May 23, 2020Observed: 4.12 ft at 10:00PM May 23, 2020Observed: 4.52 ft at 10:18PM May 23, 2020Observed: 4.82 ft at 10:35PM May 23, 2020Observed: 5.14 ft at 10:51PM May 23, 2020Observed: 5.32 ft at 11:00PM May 23, 2020Observed: 5.62 ft at 11:16PM May 23, 2020Observed: 5.91 ft at 11:33PM May 23, 2020Observed: 6.19 ft at 11:50PM May 23, 2020Observed: 6.41 ft at 12:00AM May 24, 2020Observed: 6.69 ft at 12:23AM May 24, 2020Observed: 6.89 ft at 12:40AM May 24, 2020Observed: 7.09 ft at 12:56AM May 24, 2020Observed: 7.16 ft at 1:00AM May 24, 2020Observed: 7.39 ft at 1:46AM May 24, 2020Observed: 7.49 ft at 2:00AM May 24, 2020Highest Observation: 7.53 ft at 3:00AM May 24, 2020Observed: 7.24 ft at 3:51AM May 24, 2020Observed: 7.14 ft at 4:00AM May 24, 2020Observed: 6.84 ft at 4:16AM May 24, 2020Observed: 6.49 ft at 4:33AM May 24, 2020Observed: 6.29 ft at 4:41AM May 24, 2020Observed: 6.09 ft at 4:50AM May 24, 2020Observed: 5.84 ft at 4:58AM May 24, 2020Observed: 5.62 ft at 5:06AM May 24, 2020Observed: 5.37 ft at 5:15AM May 24, 2020Observed: 5.14 ft at 5:23AM May 24, 2020Observed: 4.87 ft at 5:31AM May 24, 2020Observed: 4.64 ft at 5:40AM May 24, 2020Observed: 4.37 ft at 5:48AM May 24, 2020Observed: 4.12 ft at 5:56AM May 24, 2020Observed: 4.12 ft at 7:00AM May 24, 2020Observed: 4.12 ft at 8:00AM May 24, 2020Observed: 4.12 ft at 9:00AM May 24, 2020Observed: 4.29 ft at 10:00AM May 24, 2020Observed: 4.12 ft at 11:00AM May 24, 2020Observed: 4.12 ft at 12:00PM May 24, 2020Observed: 4.12 ft at 1:00PM May 24, 2020Observed: 4.12 ft at 2:00PM May 24, 2020Observed: 4.12 ft at 3:00PM May 24, 2020Observed: 4.12 ft at 4:00PM May 24, 2020Observed: 4.12 ft at 5:00PM May 24, 2020Observed: 4.12 ft at 6:00PM May 24, 2020Observed: 4.12 ft at 7:00PM May 24, 2020Observed: 4.12 ft at 8:00PM May 24, 2020Observed: 4.12 ft at 9:00PM May 24, 2020Observed: 4.1 ft at 10:00PM May 24, 2020Observed: 4.34 ft at 11:00PM May 24, 2020Observed: 4.64 ft at 11:18PM May 24, 2020Observed: 4.92 ft at 11:35PM May 24, 2020Observed: 5.22 ft at 12:00AM May 25, 2020Observed: 5.81 ft at 12:08AM May 25, 2020Observed: 6.09 ft at 12:25AM May 25, 2020Observed: 6.34 ft at 12:41AM May 25, 2020Observed: 6.66 ft at 1:00AM May 25, 2020Observed: 6.89 ft at 1:23AM May 25, 2020Observed: 7.09 ft at 1:48AM May 25, 2020Observed: 7.21 ft at 2:00AM May 25, 2020Observed: 7.44 ft at 3:00AM May 25, 2020Observed: 7.41 ft at 4:00AM May 25, 2020Observed: 7.16 ft at 4:26AM May 25, 2020Observed: 6.94 ft at 4:43AM May 25, 2020Observed: 6.61 ft at 5:00AM May 25, 2020Observed: 6.24 ft at 5:16AM May 25, 2020Observed: 5.79 ft at 5:33AM May 25, 2020Observed: 5.57 ft at 5:41AM May 25, 2020Observed: 5.34 ft at 5:50AM May 25, 2020Observed: 5.09 ft at 5:58AM May 25, 2020Observed: 5.12 ft at 6:00AM May 25, 2020Observed: 4.87 ft at 6:06AM May 25, 2020Observed: 4.62 ft at 6:15AM May 25, 2020Observed: 4.37 ft at 6:23AM May 25, 2020Observed: 4.12 ft at 6:31AM May 25, 2020Observed: 4.12 ft at 7:00AM May 25, 2020Observed: 4.12 ft at 8:00AM May 25, 2020Observed: 4.14 ft at 9:00AM May 25, 2020Observed: 4.1 ft at 10:00AM May 25, 2020Observed: 4.12 ft at 11:00AM May 25, 2020Observed: 4.12 ft at 12:00PM May 25, 2020Observed: 4.12 ft at 1:00PM May 25, 2020Observed: 4.12 ft at 2:00PM May 25, 2020Observed: 4.12 ft at 3:00PM May 25, 2020Observed: 4.12 ft at 4:00PM May 25, 2020Observed: 4.12 ft at 5:00PM May 25, 2020Observed: 4.12 ft at 6:00PM May 25, 2020Observed: 4.12 ft at 7:00PM May 25, 2020Observed: 4.1 ft at 8:00PM May 25, 2020Observed: 4.12 ft at 9:00PM May 25, 2020Observed: 4.12 ft at 10:00PM May 25, 2020Observed: 4.12 ft at 11:00PM May 25, 2020Observed: 4.34 ft at 11:36PM May 25, 2020Observed: 4.64 ft at 11:53PM May 25, 2020Observed: 5.04 ft at 12:18AM May 26, 2020Observed: 5.32 ft at 12:35AM May 26, 2020Observed: 5.57 ft at 12:51AM May 26, 2020Observed: 5.69 ft at 1:00AM May 26, 2020Observed: 5.91 ft at 1:16AM May 26, 2020Observed: 6.14 ft at 1:33AM May 26, 2020Observed: 6.34 ft at 1:50AM May 26, 2020Observed: 6.51 ft at 2:00AM May 26, 2020Observed: 6.74 ft at 2:40AM May 26, 2020Observed: 6.89 ft at 3:00AM May 26, 2020Observed: 7.09 ft at 4:00AM May 26, 2020Observed: 6.89 ft at 4:53AM May 26, 2020Observed: 6.86 ft at 5:00AM May 26, 2020Observed: 6.64 ft at 5:18AM May 26, 2020Observed: 6.34 ft at 5:35AM May 26, 2020Observed: 5.99 ft at 5:51AM May 26, 2020Observed: 5.77 ft at 6:00AM May 26, 2020Observed: 5.54 ft at 6:08AM May 26, 2020Observed: 5.32 ft at 6:16AM May 26, 2020Observed: 5.09 ft at 6:25AM May 26, 2020Observed: 4.84 ft at 6:33AM May 26, 2020Observed: 4.59 ft at 6:41AM May 26, 2020Observed: 4.37 ft at 6:50AM May 26, 2020Observed: 4.12 ft at 6:58AM May 26, 2020Observed: 4.12 ft at 8:00AM May 26, 2020Observed: 4.12 ft at 9:00AM May 26, 2020Observed: 4.12 ft at 10:00AM May 26, 2020Observed: 4.12 ft at 11:00AM May 26, 2020Observed: 4.12 ft at 12:00PM May 26, 2020Observed: 4.12 ft at 1:00PM May 26, 2020Observed: 4.12 ft at 2:00PM May 26, 2020Observed: 4.12 ft at 3:00PM May 26, 2020Observed: 4.12 ft at 4:00PM May 26, 2020Observed: 4.12 ft at 5:00PM May 26, 2020Observed: 4.12 ft at 6:00PM May 26, 2020Observed: 4.12 ft at 7:00PM May 26, 2020Observed: 4.1 ft at 8:00PM May 26, 2020Observed: 4.1 ft at 9:00PM May 26, 2020Observed: 4.12 ft at 10:00PM May 26, 2020Observed: 4.12 ft at 11:00PM May 26, 2020Observed: 4.12 ft at 12:00AM May 27, 2020Observed: 4.39 ft at 12:28AM May 27, 2020Observed: 4.62 ft at 12:45AM May 27, 2020Observed: 4.84 ft at 1:00AM May 27, 2020Observed: 5.12 ft at 1:18AM May 27, 2020Observed: 5.37 ft at 1:35AM May 27, 2020Observed: 5.62 ft at 1:51AM May 27, 2020Observed: 5.72 ft at 2:00AM May 27, 2020Observed: 5.99 ft at 2:25AM May 27, 2020Observed: 6.19 ft at 2:41AM May 27, 2020Observed: 6.44 ft at 3:00AM May 27, 2020Observed: 6.66 ft at 3:31AM May 27, 2020Observed: 6.89 ft at 4:00AM May 27, 2020Observed: 6.99 ft at 5:00AM May 27, 2020Observed: 6.79 ft at 5:36AM May 27, 2020Observed: 6.59 ft at 5:53AM May 27, 2020Observed: 6.51 ft at 6:00AM May 27, 2020Observed: 6.31 ft at 6:10AM May 27, 2020Observed: 5.99 ft at 6:26AM May 27, 2020Observed: 5.79 ft at 6:35AM May 27, 2020Observed: 5.54 ft at 6:43AM May 27, 2020Observed: 5.14 ft at 7:00AM May 27, 2020Observed: 4.89 ft at 7:08AM May 27, 2020Observed: 4.67 ft at 7:16AM May 27, 2020Observed: 4.42 ft at 7:25AM May 27, 2020Observed: 4.12 ft at 7:33AM May 27, 2020Observed: 4.12 ft at 8:00AM May 27, 2020Observed: 4.12 ft at 9:00AM May 27, 2020Observed: 4.12 ft at 10:00AM May 27, 2020Observed: 4.12 ft at 11:00AM May 27, 2020Observed: 4.12 ft at 12:00PM May 27, 2020Observed: 4.12 ft at 1:00PM May 27, 2020Observed: 4.12 ft at 2:00PM May 27, 2020Observed: 4.12 ft at 3:00PM May 27, 2020Observed: 4.12 ft at 4:00PM May 27, 2020Observed: 4.12 ft at 5:00PM May 27, 2020Observed: 4.12 ft at 6:00PM May 27, 2020Observed: 4.12 ft at 7:00PM May 27, 2020Observed: 4.1 ft at 8:00PM May 27, 2020Observed: 4.1 ft at 9:00PM May 27, 2020PBEC1(plotting HGIRR) Graph Created (9:30PM May 27, 2020)ObservedLatest observed value: 4.1 ft at 9:00 PM PDT 27-May-2020. 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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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.
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21 Grace Hopper Ave, Stop 5
Monterey, CA 93943-5505
(831) 656-1725
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Page last modified: 1-Mar-2019 12:32 AM
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