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Hydrograph River at a Glance Download
Petaluma River at Shollenberger Park Stage (ft)Observed: 6.79 ft at 2:00AM May 21, 2022Observed: 6.99 ft at 2:18AM May 21, 2022Observed: 6.96 ft at 3:00AM May 21, 2022Observed: 6.76 ft at 3:50AM May 21, 2022Observed: 6.66 ft at 4:00AM May 21, 2022Observed: 6.44 ft at 4:15AM May 21, 2022Observed: 6.11 ft at 4:31AM May 21, 2022Observed: 5.74 ft at 4:48AM May 21, 2022Observed: 5.54 ft at 4:56AM May 21, 2022Observed: 5.47 ft at 5:00AM May 21, 2022Observed: 4.92 ft at 5:21AM May 21, 2022Observed: 4.69 ft at 5:30AM May 21, 2022Observed: 4.32 ft at 5:46AM May 21, 2022Observed: 4.12 ft at 5:55AM May 21, 2022Observed: 4.14 ft at 6:00AM May 21, 2022Observed: 4.14 ft at 7:00AM May 21, 2022Observed: 4.14 ft at 8:00AM May 21, 2022Observed: 4.12 ft at 9:00AM May 21, 2022Observed: 4.12 ft at 10:00AM May 21, 2022Observed: 4.14 ft at 11:00AM May 21, 2022Observed: 4.14 ft at 12:00PM May 21, 2022Observed: 4.14 ft at 1:00PM May 21, 2022Observed: 4.12 ft at 2:00PM May 21, 2022Observed: 4.42 ft at 2:40PM May 21, 2022Observed: 4.64 ft at 2:48PM May 21, 2022Observed: 4.87 ft at 3:00PM May 21, 2022Observed: 5.19 ft at 3:13PM May 21, 2022Observed: 5.49 ft at 3:30PM May 21, 2022Observed: 5.69 ft at 3:46PM May 21, 2022Observed: 5.84 ft at 4:00PM May 21, 2022Observed: 6.04 ft at 4:20PM May 21, 2022Observed: 6.21 ft at 5:00PM May 21, 2022Observed: 6.19 ft at 6:00PM May 21, 2022Observed: 5.94 ft at 6:33PM May 21, 2022Observed: 5.74 ft at 6:50PM May 21, 2022Observed: 5.57 ft at 7:00PM May 21, 2022Observed: 5.04 ft at 7:31PM May 21, 2022Observed: 4.72 ft at 7:48PM May 21, 2022Observed: 4.49 ft at 8:00PM May 21, 2022Observed: 4.27 ft at 8:13PM May 21, 2022Observed: 4.12 ft at 9:00PM May 21, 2022Observed: 4.12 ft at 10:00PM May 21, 2022Observed: 4.12 ft at 11:00PM May 21, 2022Observed: 4.12 ft at 12:00AM May 22, 2022Observed: 4.32 ft at 12:31AM May 22, 2022Observed: 4.54 ft at 12:48AM May 22, 2022Observed: 4.72 ft at 1:00AM May 22, 2022Observed: 4.94 ft at 1:13AM May 22, 2022Observed: 5.19 ft at 1:30AM May 22, 2022Observed: 5.42 ft at 1:46AM May 22, 2022Observed: 5.59 ft at 2:00AM May 22, 2022Observed: 5.79 ft at 2:20AM May 22, 2022Observed: 6.01 ft at 2:36AM May 22, 2022Observed: 6.24 ft at 3:00AM May 22, 2022Observed: 6.44 ft at 3:35AM May 22, 2022Observed: 6.46 ft at 4:00AM May 22, 2022Observed: 6.24 ft at 4:50AM May 22, 2022Observed: 6.11 ft at 5:00AM May 22, 2022Observed: 5.89 ft at 5:15AM May 22, 2022Observed: 5.59 ft at 5:31AM May 22, 2022Observed: 5.24 ft at 5:48AM May 22, 2022Observed: 4.97 ft at 6:00AM May 22, 2022Observed: 4.67 ft at 6:13AM May 22, 2022Observed: 4.29 ft at 6:30AM May 22, 2022Observed: 4.12 ft at 7:00AM May 22, 2022Observed: 4.14 ft at 8:00AM May 22, 2022Observed: 4.14 ft at 9:00AM May 22, 2022Observed: 4.12 ft at 10:00AM May 22, 2022Observed: 4.12 ft at 11:00AM May 22, 2022Observed: 4.14 ft at 12:00PM May 22, 2022Observed: 4.14 ft at 1:00PM May 22, 2022Observed: 4.14 ft at 2:00PM May 22, 2022Observed: 4.12 ft at 3:00PM May 22, 2022Observed: 4.49 ft at 3:40PM May 22, 2022Observed: 4.72 ft at 3:48PM May 22, 2022Observed: 4.92 ft at 4:00PM May 22, 2022Observed: 5.17 ft at 4:13PM May 22, 2022Observed: 5.39 ft at 4:30PM May 22, 2022Observed: 5.64 ft at 4:55PM May 22, 2022Observed: 5.72 ft at 5:00PM May 22, 2022Observed: 6.01 ft at 5:28PM May 22, 2022Observed: 6.24 ft at 7:00PM May 22, 2022Observed: 5.99 ft at 7:33PM May 22, 2022Observed: 5.79 ft at 7:50PM May 22, 2022Observed: 5.62 ft at 8:00PM May 22, 2022Observed: 5.37 ft at 8:15PM May 22, 2022Observed: 5.04 ft at 8:31PM May 22, 2022Observed: 4.84 ft at 8:40PM May 22, 2022Observed: 4.52 ft at 8:56PM May 22, 2022Observed: 4.44 ft at 9:00PM May 22, 2022Observed: 4.17 ft at 9:13PM May 22, 2022Observed: 4.12 ft at 10:00PM May 22, 2022Observed: 4.12 ft at 11:00PM May 22, 2022Observed: 4.12 ft at 12:00AM May 23, 2022Observed: 4.1 ft at 1:00AM May 23, 2022Observed: 4.12 ft at 2:00AM May 23, 2022Observed: 4.32 ft at 2:30AM May 23, 2022Observed: 4.57 ft at 2:46AM May 23, 2022Observed: 4.79 ft at 3:00AM May 23, 2022Observed: 5.09 ft at 3:20AM May 23, 2022Observed: 5.32 ft at 3:36AM May 23, 2022Observed: 5.52 ft at 3:53AM May 23, 2022Observed: 5.59 ft at 4:00AM May 23, 2022Observed: 5.81 ft at 4:26AM May 23, 2022Observed: 5.99 ft at 5:00AM May 23, 2022Observed: 5.81 ft at 6:00AM May 23, 2022Observed: 5.52 ft at 6:23AM May 23, 2022Observed: 5.24 ft at 6:40AM May 23, 2022Observed: 4.92 ft at 6:56AM May 23, 2022Observed: 4.82 ft at 7:00AM May 23, 2022Observed: 4.57 ft at 7:13AM May 23, 2022Observed: 4.24 ft at 7:30AM May 23, 2022Observed: 4.14 ft at 8:00AM May 23, 2022Observed: 4.14 ft at 9:00AM May 23, 2022Observed: 4.14 ft at 10:00AM May 23, 2022Observed: 4.14 ft at 1:00PM May 23, 2022Observed: 4.14 ft at 2:00PM May 23, 2022Observed: 4.14 ft at 3:00PM May 23, 2022Observed: 4.14 ft at 4:00PM May 23, 2022Observed: 4.57 ft at 4:15PM May 23, 2022Observed: 4.77 ft at 4:23PM May 23, 2022Observed: 5.12 ft at 4:40PM May 23, 2022Observed: 5.32 ft at 4:48PM May 23, 2022Observed: 5.49 ft at 5:00PM May 23, 2022Observed: 5.72 ft at 5:13PM May 23, 2022Observed: 6.01 ft at 5:30PM May 23, 2022Observed: 6.24 ft at 5:55PM May 23, 2022Observed: 6.29 ft at 6:00PM May 23, 2022Observed: 6.49 ft at 6:20PM May 23, 2022Observed: 6.64 ft at 7:00PM May 23, 2022Observed: 6.54 ft at 8:00PM May 23, 2022Observed: 6.29 ft at 8:25PM May 23, 2022Observed: 6.06 ft at 8:41PM May 23, 2022Observed: 5.74 ft at 8:58PM May 23, 2022Observed: 5.72 ft at 9:00PM May 23, 2022Observed: 5.42 ft at 9:15PM May 23, 2022Observed: 5.22 ft at 9:23PM May 23, 2022Observed: 4.82 ft at 9:40PM May 23, 2022Observed: 4.62 ft at 9:48PM May 23, 2022Observed: 4.39 ft at 10:00PM May 23, 2022Observed: 4.14 ft at 10:13PM May 23, 2022Observed: 4.12 ft at 11:00PM May 23, 2022Observed: 4.12 ft at 12:00AM May 24, 2022Observed: 4.12 ft at 1:00AM May 24, 2022Observed: 4.12 ft at 2:00AM May 24, 2022Observed: 4.12 ft at 3:00AM May 24, 2022Observed: 4.27 ft at 4:00AM May 24, 2022Observed: 4.47 ft at 4:11AM May 24, 2022Observed: 4.77 ft at 4:28AM May 24, 2022Observed: 5.04 ft at 4:45AM May 24, 2022Observed: 5.27 ft at 5:00AM May 24, 2022Observed: 5.47 ft at 5:18AM May 24, 2022Observed: 5.72 ft at 5:43AM May 24, 2022Observed: 5.84 ft at 6:00AM May 24, 2022Observed: 5.84 ft at 7:00AM May 24, 2022Observed: 5.59 ft at 7:31AM May 24, 2022Observed: 5.39 ft at 7:48AM May 24, 2022Observed: 5.19 ft at 8:00AM May 24, 2022Observed: 4.94 ft at 8:13AM May 24, 2022Observed: 4.59 ft at 8:30AM May 24, 2022Observed: 4.27 ft at 8:46AM May 24, 2022Observed: 4.14 ft at 9:00AM May 24, 2022Observed: 4.14 ft at 10:00AM May 24, 2022Observed: 4.14 ft at 11:00AM May 24, 2022Observed: 4.12 ft at 12:00PM May 24, 2022Observed: 4.12 ft at 1:00PM May 24, 2022Observed: 4.14 ft at 2:00PM May 24, 2022Observed: 4.14 ft at 3:00PM May 24, 2022Observed: 4.14 ft at 4:00PM May 24, 2022Observed: 4.47 ft at 4:41PM May 24, 2022Observed: 4.69 ft at 4:50PM May 24, 2022Observed: 4.89 ft at 4:58PM May 24, 2022Observed: 4.92 ft at 5:00PM May 24, 2022Observed: 5.12 ft at 5:06PM May 24, 2022Observed: 5.47 ft at 5:23PM May 24, 2022Observed: 5.79 ft at 5:40PM May 24, 2022Observed: 6.06 ft at 6:00PM May 24, 2022Observed: 6.26 ft at 6:13PM May 24, 2022Observed: 6.46 ft at 6:30PM May 24, 2022Observed: 6.71 ft at 6:55PM May 24, 2022Observed: 6.94 ft at 7:45PM May 24, 2022Observed: 6.91 ft at 8:00PM May 24, 2022Observed: 6.76 ft at 9:00PM May 24, 2022Observed: 6.46 ft at 9:25PM May 24, 2022Observed: 6.16 ft at 9:41PM May 24, 2022Observed: 5.96 ft at 9:50PM May 24, 2022Observed: 5.72 ft at 10:00PM May 24, 2022Observed: 5.39 ft at 10:15PM May 24, 2022Observed: 4.97 ft at 10:31PM May 24, 2022Observed: 4.72 ft at 10:40PM May 24, 2022Observed: 4.34 ft at 10:56PM May 24, 2022Observed: 4.24 ft at 11:00PM May 24, 2022Observed: 4.12 ft at 12:00AM May 25, 2022Observed: 4.12 ft at 1:00AM May 25, 2022Observed: 4.12 ft at 2:00AM May 25, 2022Observed: 4.12 ft at 3:00AM May 25, 2022Observed: 4.12 ft at 4:00AM May 25, 2022Observed: 4.12 ft at 5:00AM May 25, 2022Observed: 4.32 ft at 5:28AM May 25, 2022Observed: 4.67 ft at 5:45AM May 25, 2022Observed: 4.94 ft at 6:00AM May 25, 2022Observed: 5.14 ft at 6:10AM May 25, 2022Observed: 5.39 ft at 6:26AM May 25, 2022Observed: 5.59 ft at 6:43AM May 25, 2022Observed: 5.74 ft at 7:00AM May 25, 2022Observed: 6.11 ft at 7:41AM May 25, 2022Observed: 5.94 ft at 8:00AM May 25, 2022Observed: 5.74 ft at 8:40AM May 25, 2022Observed: 5.54 ft at 9:00AM May 25, 2022Observed: 5.29 ft at 9:21AM May 25, 2022Observed: 4.99 ft at 9:38AM May 25, 2022Observed: 4.69 ft at 9:55AM May 25, 2022Observed: 4.59 ft at 10:00AM May 25, 2022Observed: 4.37 ft at 10:11AM May 25, 2022Observed: 4.14 ft at 10:28AM May 25, 2022Observed: 4.14 ft at 11:00AM May 25, 2022Observed: 4.12 ft at 12:00PM May 25, 2022Observed: 4.12 ft at 1:00PM May 25, 2022Observed: 4.12 ft at 2:00PM May 25, 2022Observed: 4.14 ft at 3:00PM May 25, 2022Observed: 4.14 ft at 4:00PM May 25, 2022Observed: 4.49 ft at 4:51PM May 25, 2022Observed: 4.69 ft at 5:00PM May 25, 2022Observed: 4.89 ft at 5:08PM May 25, 2022Observed: 5.09 ft at 5:16PM May 25, 2022Observed: 5.47 ft at 5:33PM May 25, 2022Observed: 5.79 ft at 5:50PM May 25, 2022Observed: 5.94 ft at 6:00PM May 25, 2022Observed: 6.19 ft at 6:15PM May 25, 2022Observed: 6.46 ft at 6:31PM May 25, 2022Observed: 6.66 ft at 6:48PM May 25, 2022Observed: 6.74 ft at 7:00PM May 25, 2022Observed: 6.94 ft at 7:30PM May 25, 2022Observed: 7.04 ft at 8:00PM May 25, 2022Highest Observation: 7.14 ft at 9:00PM May 25, 2022Observed: 6.94 ft at 9:51PM May 25, 2022Observed: 6.84 ft at 10:00PM May 25, 2022Observed: 6.56 ft at 10:16PM May 25, 2022PBEC1(plotting HGIRR) Graph Created (1:45AM May 26, 2022)ObservedLatest observed value: 6.56 ft at 10:16 PM PDT 25-May-2022. 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
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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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Page last modified: 2-Nov-2020 7:27 PM
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