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Hydrograph River at a Glance Download
Petaluma River at Shollenberger Park Stage (ft)Observed: 4.64 ft at 6:46AM Sep 17, 2018Observed: 5.19 ft at 6:55AM Sep 17, 2018Observed: 5.54 ft at 7:11AM Sep 17, 2018Observed: 5.79 ft at 7:28AM Sep 17, 2018Observed: 6.04 ft at 7:53AM Sep 17, 2018Observed: 6.09 ft at 8:00AM Sep 17, 2018Observed: 6.29 ft at 8:35AM Sep 17, 2018Observed: 6.29 ft at 9:00AM Sep 17, 2018Observed: 6.14 ft at 10:00AM Sep 17, 2018Observed: 5.94 ft at 10:31AM Sep 17, 2018Observed: 5.74 ft at 11:00AM Sep 17, 2018Observed: 5.52 ft at 11:21AM Sep 17, 2018Observed: 5.24 ft at 11:46AM Sep 17, 2018Observed: 5.02 ft at 12:00PM Sep 17, 2018Observed: 4.84 ft at 1:00PM Sep 17, 2018Observed: 4.79 ft at 2:00PM Sep 17, 2018Observed: 4.94 ft at 3:00PM Sep 17, 2018Observed: 5.07 ft at 4:00PM Sep 17, 2018Observed: 5.29 ft at 4:38PM Sep 17, 2018Observed: 5.47 ft at 5:00PM Sep 17, 2018Observed: 5.67 ft at 5:20PM Sep 17, 2018Observed: 5.89 ft at 5:36PM Sep 17, 2018Observed: 6.14 ft at 5:53PM Sep 17, 2018Observed: 6.26 ft at 6:00PM Sep 17, 2018Observed: 6.51 ft at 6:18PM Sep 17, 2018Observed: 6.71 ft at 6:35PM Sep 17, 2018Observed: 6.94 ft at 6:51PM Sep 17, 2018Observed: 7.01 ft at 7:00PM Sep 17, 2018Observed: 7.24 ft at 7:25PM Sep 17, 2018Observed: 7.34 ft at 8:00PM Sep 17, 2018Observed: 7.11 ft at 8:48PM Sep 17, 2018Observed: 7.01 ft at 9:00PM Sep 17, 2018Observed: 6.74 ft at 9:30PM Sep 17, 2018Observed: 6.54 ft at 9:46PM Sep 17, 2018Observed: 6.36 ft at 10:00PM Sep 17, 2018Observed: 6.01 ft at 10:20PM Sep 17, 2018Observed: 5.74 ft at 10:36PM Sep 17, 2018Observed: 5.44 ft at 10:53PM Sep 17, 2018Observed: 5.34 ft at 11:00PM Sep 17, 2018Observed: 5.12 ft at 11:10PM Sep 17, 2018Observed: 4.82 ft at 11:26PM Sep 17, 2018Observed: 4.57 ft at 11:51PM Sep 17, 2018Observed: 4.37 ft at 1:00AM Sep 18, 2018Observed: 4.27 ft at 2:00AM Sep 18, 2018Observed: 4.24 ft at 3:00AM Sep 18, 2018Observed: 4.19 ft at 4:00AM Sep 18, 2018Observed: 4.32 ft at 5:00AM Sep 18, 2018Observed: 4.44 ft at 6:00AM Sep 18, 2018Observed: 4.54 ft at 7:00AM Sep 18, 2018Observed: 5.32 ft at 8:00AM Sep 18, 2018Observed: 5.54 ft at 8:11AM Sep 18, 2018Observed: 5.81 ft at 8:28AM Sep 18, 2018Observed: 6.04 ft at 8:45AM Sep 18, 2018Observed: 6.19 ft at 9:00AM Sep 18, 2018Observed: 6.39 ft at 9:35AM Sep 18, 2018Observed: 6.49 ft at 10:00AM Sep 18, 2018Observed: 6.46 ft at 11:00AM Sep 18, 2018Observed: 6.19 ft at 11:48AM Sep 18, 2018Observed: 6.09 ft at 12:00PM Sep 18, 2018Observed: 5.86 ft at 12:21PM Sep 18, 2018Observed: 5.59 ft at 12:46PM Sep 18, 2018Observed: 5.42 ft at 1:00PM Sep 18, 2018Observed: 5.02 ft at 1:28PM Sep 18, 2018Observed: 4.82 ft at 1:53PM Sep 18, 2018Observed: 4.94 ft at 3:00PM Sep 18, 2018Observed: 5.09 ft at 4:00PM Sep 18, 2018Observed: 5.04 ft at 5:00PM Sep 18, 2018Observed: 5.32 ft at 5:30PM Sep 18, 2018Observed: 5.59 ft at 5:55PM Sep 18, 2018Observed: 5.69 ft at 6:00PM Sep 18, 2018Observed: 5.94 ft at 6:20PM Sep 18, 2018Observed: 6.16 ft at 6:36PM Sep 18, 2018Observed: 6.44 ft at 6:53PM Sep 18, 2018Observed: 6.54 ft at 7:00PM Sep 18, 2018Observed: 6.79 ft at 7:18PM Sep 18, 2018Observed: 7.01 ft at 7:35PM Sep 18, 2018Observed: 7.29 ft at 8:00PM Sep 18, 2018Observed: 7.49 ft at 8:25PM Sep 18, 2018Observed: 7.56 ft at 9:00PM Sep 18, 2018Observed: 7.44 ft at 10:00PM Sep 18, 2018Observed: 7.19 ft at 10:30PM Sep 18, 2018Observed: 6.96 ft at 10:46PM Sep 18, 2018Observed: 6.74 ft at 11:00PM Sep 18, 2018Observed: 6.54 ft at 11:11PM Sep 18, 2018Observed: 6.24 ft at 11:28PM Sep 18, 2018Observed: 5.91 ft at 11:45PM Sep 18, 2018Observed: 5.62 ft at 12:00AM Sep 19, 2018Observed: 5.42 ft at 12:10AM Sep 19, 2018Observed: 5.22 ft at 12:18AM Sep 19, 2018Observed: 4.97 ft at 12:26AM Sep 19, 2018Observed: 4.72 ft at 12:43AM Sep 19, 2018Observed: 4.62 ft at 1:00AM Sep 19, 2018Observed: 4.42 ft at 1:25AM Sep 19, 2018Observed: 4.44 ft at 2:00AM Sep 19, 2018Observed: 4.34 ft at 3:00AM Sep 19, 2018Observed: 4.37 ft at 4:00AM Sep 19, 2018Observed: 4.32 ft at 5:00AM Sep 19, 2018Observed: 4.19 ft at 6:00AM Sep 19, 2018Observed: 4.19 ft at 7:00AM Sep 19, 2018Observed: 4.82 ft at 8:38AM Sep 19, 2018Observed: 5.22 ft at 8:46AM Sep 19, 2018Observed: 5.47 ft at 9:00AM Sep 19, 2018Observed: 5.69 ft at 9:11AM Sep 19, 2018Observed: 5.96 ft at 9:28AM Sep 19, 2018Observed: 6.19 ft at 9:45AM Sep 19, 2018Observed: 6.36 ft at 10:00AM Sep 19, 2018Observed: 6.56 ft at 10:26AM Sep 19, 2018Observed: 6.69 ft at 11:00AM Sep 19, 2018Observed: 6.66 ft at 12:00PM Sep 19, 2018Observed: 6.46 ft at 12:31PM Sep 19, 2018Observed: 6.31 ft at 1:00PM Sep 19, 2018Observed: 6.04 ft at 1:21PM Sep 19, 2018Observed: 5.81 ft at 1:38PM Sep 19, 2018Observed: 5.49 ft at 2:00PM Sep 19, 2018Observed: 5.17 ft at 2:20PM Sep 19, 2018Observed: 4.94 ft at 2:36PM Sep 19, 2018Observed: 4.94 ft at 3:00PM Sep 19, 2018Observed: 5.14 ft at 3:51PM Sep 19, 2018Observed: 5.22 ft at 4:00PM Sep 19, 2018Observed: 5.37 ft at 5:00PM Sep 19, 2018Observed: 5.44 ft at 6:00PM Sep 19, 2018Observed: 5.22 ft at 6:38PM Sep 19, 2018Observed: 5.44 ft at 6:55PM Sep 19, 2018Observed: 5.52 ft at 7:00PM Sep 19, 2018Observed: 5.72 ft at 7:11PM Sep 19, 2018Observed: 6.01 ft at 7:28PM Sep 19, 2018Observed: 6.24 ft at 7:45PM Sep 19, 2018Observed: 6.44 ft at 8:00PM Sep 19, 2018Observed: 6.71 ft at 8:18PM Sep 19, 2018Observed: 6.91 ft at 8:35PM Sep 19, 2018Observed: 7.19 ft at 9:00PM Sep 19, 2018Observed: 7.44 ft at 9:25PM Sep 19, 2018Observed: 7.58 ft at 10:00PM Sep 19, 2018Observed: 7.49 ft at 11:00PM Sep 19, 2018Observed: 7.26 ft at 11:30PM Sep 19, 2018Observed: 7.01 ft at 11:46PM Sep 19, 2018Observed: 6.79 ft at 12:00AM Sep 20, 2018Observed: 6.59 ft at 12:11AM Sep 20, 2018Observed: 6.39 ft at 12:20AM Sep 20, 2018Observed: 5.84 ft at 12:45AM Sep 20, 2018Observed: 5.52 ft at 1:00AM Sep 20, 2018Observed: 5.04 ft at 1:18AM Sep 20, 2018Observed: 4.59 ft at 1:35AM Sep 20, 2018Observed: 4.44 ft at 2:00AM Sep 20, 2018Observed: 4.34 ft at 3:00AM Sep 20, 2018Observed: 4.37 ft at 4:00AM Sep 20, 2018Observed: 4.27 ft at 5:00AM Sep 20, 2018Observed: 4.29 ft at 6:00AM Sep 20, 2018Observed: 4.29 ft at 7:00AM Sep 20, 2018Observed: 4.29 ft at 8:00AM Sep 20, 2018Observed: 4.47 ft at 9:00AM Sep 20, 2018Observed: 5.09 ft at 9:21AM Sep 20, 2018Observed: 5.57 ft at 9:38AM Sep 20, 2018Observed: 5.99 ft at 10:00AM Sep 20, 2018Observed: 6.19 ft at 10:11AM Sep 20, 2018Observed: 6.41 ft at 10:28AM Sep 20, 2018Observed: 6.61 ft at 10:45AM Sep 20, 2018Observed: 6.74 ft at 11:00AM Sep 20, 2018Observed: 6.94 ft at 11:26AM Sep 20, 2018Observed: 7.09 ft at 12:00PM Sep 20, 2018Observed: 6.94 ft at 1:00PM Sep 20, 2018Observed: 6.66 ft at 1:40PM Sep 20, 2018Observed: 6.49 ft at 2:00PM Sep 20, 2018Observed: 6.11 ft at 2:13PM Sep 20, 2018Observed: 5.86 ft at 2:30PM Sep 20, 2018Observed: 5.57 ft at 2:46PM Sep 20, 2018Observed: 5.34 ft at 3:00PM Sep 20, 2018Observed: 5.07 ft at 3:20PM Sep 20, 2018Observed: 4.92 ft at 4:00PM Sep 20, 2018Observed: 5.22 ft at 4:26PM Sep 20, 2018Observed: 5.44 ft at 4:43PM Sep 20, 2018Observed: 5.52 ft at 5:00PM Sep 20, 2018Observed: 5.54 ft at 6:00PM Sep 20, 2018Observed: 5.34 ft at 7:00PM Sep 20, 2018Observed: 5.59 ft at 8:00PM Sep 20, 2018Observed: 5.79 ft at 8:11PM Sep 20, 2018Observed: 6.09 ft at 8:28PM Sep 20, 2018Observed: 6.34 ft at 8:45PM Sep 20, 2018Observed: 6.59 ft at 9:00PM Sep 20, 2018Observed: 6.84 ft at 9:18PM Sep 20, 2018Observed: 7.09 ft at 9:35PM Sep 20, 2018Observed: 7.29 ft at 9:51PM Sep 20, 2018Observed: 7.41 ft at 10:00PM Sep 20, 2018Observed: 7.63 ft at 10:25PM Sep 20, 2018Observed: 7.81 ft at 11:00PM Sep 20, 2018Observed: 7.81 ft at 12:00AM Sep 21, 2018Observed: 7.56 ft at 12:30AM Sep 21, 2018Observed: 7.31 ft at 12:46AM Sep 21, 2018Observed: 7.04 ft at 1:00AM Sep 21, 2018Observed: 6.76 ft at 1:11AM Sep 21, 2018Observed: 6.39 ft at 1:28AM Sep 21, 2018Observed: 6.19 ft at 1:36AM Sep 21, 2018Observed: 5.74 ft at 1:53AM Sep 21, 2018Observed: 5.57 ft at 2:00AM Sep 21, 2018Observed: 5.32 ft at 2:10AM Sep 21, 2018Observed: 5.12 ft at 2:18AM Sep 21, 2018Observed: 4.79 ft at 2:26AM Sep 21, 2018Observed: 4.57 ft at 2:35AM Sep 21, 2018Observed: 4.34 ft at 3:00AM Sep 21, 2018Observed: 4.27 ft at 4:00AM Sep 21, 2018Observed: 4.27 ft at 5:00AM Sep 21, 2018Observed: 4.19 ft at 6:00AM Sep 21, 2018Observed: 4.12 ft at 7:00AM Sep 21, 2018Observed: 4.29 ft at 8:00AM Sep 21, 2018Observed: 4.42 ft at 9:00AM Sep 21, 2018Observed: 4.74 ft at 9:40AM Sep 21, 2018Observed: 4.94 ft at 9:48AM Sep 21, 2018Observed: 5.19 ft at 9:56AM Sep 21, 2018Observed: 5.29 ft at 10:00AM Sep 21, 2018Observed: 5.59 ft at 10:13AM Sep 21, 2018Observed: 5.79 ft at 10:21AM Sep 21, 2018Observed: 6.09 ft at 10:38AM Sep 21, 2018Observed: 6.29 ft at 10:46AM Sep 21, 2018Observed: 6.49 ft at 11:00AM Sep 21, 2018Observed: 6.76 ft at 11:20AM Sep 21, 2018Observed: 6.99 ft at 11:45AM Sep 21, 2018Observed: 7.11 ft at 12:00PM Sep 21, 2018Observed: 7.31 ft at 12:35PM Sep 21, 2018Observed: 7.39 ft at 1:00PM Sep 21, 2018Observed: 7.21 ft at 2:00PM Sep 21, 2018Observed: 6.99 ft at 2:40PM Sep 21, 2018Observed: 6.69 ft at 2:56PM Sep 21, 2018Observed: 6.66 ft at 3:00PM Sep 21, 2018Observed: 6.41 ft at 3:13PM Sep 21, 2018Observed: 6.19 ft at 3:21PM Sep 21, 2018Observed: 5.99 ft at 3:30PM Sep 21, 2018Observed: 5.67 ft at 3:46PM Sep 21, 2018Observed: 5.44 ft at 4:00PM Sep 21, 2018Observed: 5.22 ft at 4:11PM Sep 21, 2018Observed: 4.99 ft at 4:20PM Sep 21, 2018Observed: 4.94 ft at 5:00PM Sep 21, 2018Observed: 5.04 ft at 6:00PM Sep 21, 2018Observed: 4.92 ft at 7:00PM Sep 21, 2018Observed: 4.79 ft at 8:00PM Sep 21, 2018Observed: 5.19 ft at 8:30PM Sep 21, 2018Observed: 5.39 ft at 8:38PM Sep 21, 2018Observed: 5.72 ft at 8:55PM Sep 21, 2018Observed: 5.81 ft at 9:00PM Sep 21, 2018Observed: 6.04 ft at 9:11PM Sep 21, 2018Observed: 6.34 ft at 9:28PM Sep 21, 2018Observed: 6.59 ft at 9:45PM Sep 21, 2018Observed: 6.81 ft at 10:00PM Sep 21, 2018Observed: 7.06 ft at 10:18PM Sep 21, 2018Observed: 7.29 ft at 10:35PM Sep 21, 2018Observed: 7.53 ft at 11:00PM Sep 21, 2018Observed: 7.73 ft at 11:25PM Sep 21, 2018Highest Observation: 7.83 ft at 12:00AM Sep 22, 2018Observed: 7.68 ft at 1:00AM Sep 22, 2018Observed: 7.44 ft at 1:21AM Sep 22, 2018Observed: 7.11 ft at 1:38AM Sep 22, 2018Observed: 6.91 ft at 1:46AM Sep 22, 2018Observed: 6.64 ft at 2:00AM Sep 22, 2018Observed: 6.34 ft at 2:11AM Sep 22, 2018Observed: 6.06 ft at 2:20AM Sep 22, 2018Observed: 5.69 ft at 2:36AM Sep 22, 2018Observed: 5.44 ft at 2:45AM Sep 22, 2018Observed: 5.04 ft at 3:00AM Sep 22, 2018Observed: 4.69 ft at 3:10AM Sep 22, 2018Observed: 4.59 ft at 4:00AM Sep 22, 2018Observed: 4.54 ft at 5:00AM Sep 22, 2018Observed: 4.54 ft at 6:00AM Sep 22, 2018PBEC1(plotting HGIRR) Graph Created (6:30AM Sep 22, 2018)ObservedLatest observed value: 4.54 ft at 6:00 AM PDT 22-Sep-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
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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.
NWS Information
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21 Grace Hopper Ave, Stop 5
Monterey, CA 93943-5505
(831) 656-1725
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Page last modified: 21-Dec-2016 5:18 PM
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