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Hydrograph River at a Glance Download
Petaluma River at Payran Street Bridge Stage (ft)Observed: 7.97 ft at 4:00PM Apr 30, 2021Observed: 8.1 ft at 5:00PM Apr 30, 2021Observed: 7.9 ft at 5:50PM Apr 30, 2021Observed: 7.87 ft at 6:00PM Apr 30, 2021Observed: 7.9 ft at 7:00PM Apr 30, 2021Observed: 7.9 ft at 8:00PM Apr 30, 2021Observed: 7.9 ft at 9:00PM Apr 30, 2021Observed: 7.92 ft at 10:00PM Apr 30, 2021Observed: 7.87 ft at 11:00PM Apr 30, 2021Observed: 7.92 ft at 12:00AM May 01, 2021Observed: 7.92 ft at 12:55AM May 01, 2021Observed: 7.9 ft at 2:00AM May 01, 2021Observed: 7.9 ft at 3:00AM May 01, 2021Observed: 7.9 ft at 4:00AM May 01, 2021Observed: 8.1 ft at 4:55AM May 01, 2021Observed: 7.9 ft at 5:00AM May 01, 2021Observed: 8.12 ft at 5:50AM May 01, 2021Observed: 7.9 ft at 5:55AM May 01, 2021Observed: 8.15 ft at 6:05AM May 01, 2021Observed: 7.92 ft at 6:10AM May 01, 2021Observed: 8.12 ft at 6:30AM May 01, 2021Observed: 7.9 ft at 6:40AM May 01, 2021Observed: 7.92 ft at 7:00AM May 01, 2021Observed: 7.92 ft at 8:00AM May 01, 2021Observed: 7.92 ft at 9:00AM May 01, 2021Observed: 7.95 ft at 10:00AM May 01, 2021Observed: 8.12 ft at 11:00AM May 01, 2021Observed: 7.9 ft at 11:05AM May 01, 2021Observed: 8.24 ft at 11:25AM May 01, 2021Observed: 7.9 ft at 11:35AM May 01, 2021Observed: 7.92 ft at 12:00PM May 01, 2021Observed: 7.92 ft at 1:00PM May 01, 2021Observed: 8.12 ft at 1:45PM May 01, 2021Observed: 7.92 ft at 1:50PM May 01, 2021Observed: 7.9 ft at 2:00PM May 01, 2021Observed: 8.1 ft at 2:55PM May 01, 2021Observed: 8.15 ft at 3:00PM May 01, 2021Observed: 7.92 ft at 3:15PM May 01, 2021Observed: 8.12 ft at 3:30PM May 01, 2021Observed: 7.9 ft at 3:45PM May 01, 2021Observed: 7.9 ft at 4:00PM May 01, 2021Observed: 8.12 ft at 4:05PM May 01, 2021Observed: 7.9 ft at 4:10PM May 01, 2021Observed: 8.12 ft at 4:20PM May 01, 2021Observed: 7.9 ft at 4:25PM May 01, 2021Observed: 8.12 ft at 4:45PM May 01, 2021Observed: 7.9 ft at 4:50PM May 01, 2021Observed: 8.12 ft at 5:00PM May 01, 2021Observed: 7.87 ft at 5:10PM May 01, 2021Observed: 8.12 ft at 5:15PM May 01, 2021Observed: 7.92 ft at 5:40PM May 01, 2021Observed: 7.9 ft at 6:00PM May 01, 2021Observed: 7.9 ft at 7:00PM May 01, 2021Observed: 7.92 ft at 8:00PM May 01, 2021Observed: 7.87 ft at 9:00PM May 01, 2021Observed: 7.9 ft at 10:00PM May 01, 2021Highest Observation: 8.34 ft at 10:05PM May 01, 2021Observed: 7.87 ft at 10:10PM May 01, 2021Observed: 7.9 ft at 11:00PM May 01, 2021Observed: 8 ft at 12:00AM May 02, 2021Observed: 8.02 ft at 1:00AM May 02, 2021Observed: 7.92 ft at 2:00AM May 02, 2021Observed: 7.92 ft at 4:00AM May 02, 2021Observed: 7.95 ft at 5:00AM May 02, 2021Observed: 7.92 ft at 6:00AM May 02, 2021Observed: 7.92 ft at 8:00AM May 02, 2021Observed: 7.95 ft at 8:25AM May 02, 2021Observed: 7.95 ft at 9:00AM May 02, 2021Observed: 7.95 ft at 10:00AM May 02, 2021Observed: 7.9 ft at 11:00AM May 02, 2021Observed: 8.1 ft at 11:20AM May 02, 2021Observed: 7.9 ft at 11:25AM May 02, 2021Observed: 7.92 ft at 12:00PM May 02, 2021Observed: 7.9 ft at 1:00PM May 02, 2021Observed: 7.9 ft at 2:00PM May 02, 2021Observed: 7.87 ft at 3:00PM May 02, 2021Observed: 7.9 ft at 4:00PM May 02, 2021Observed: 7.97 ft at 5:00PM May 02, 2021Observed: 7.9 ft at 6:00PM May 02, 2021Observed: 7.9 ft at 7:00PM May 02, 2021Observed: 7.9 ft at 8:00PM May 02, 2021Observed: 8.12 ft at 8:25PM May 02, 2021Observed: 7.87 ft at 8:50PM May 02, 2021Observed: 7.9 ft at 9:00PM May 02, 2021Observed: 7.87 ft at 10:00PM May 02, 2021Observed: 7.87 ft at 11:00PM May 02, 2021Observed: 7.87 ft at 12:00AM May 03, 2021Observed: 8.07 ft at 12:15AM May 03, 2021Observed: 7.87 ft at 12:25AM May 03, 2021Observed: 7.9 ft at 1:00AM May 03, 2021Observed: 7.9 ft at 2:00AM May 03, 2021Observed: 7.9 ft at 2:55AM May 03, 2021Observed: 8.24 ft at 3:00AM May 03, 2021Observed: 7.92 ft at 3:05AM May 03, 2021Observed: 7.9 ft at 4:00AM May 03, 2021Observed: 7.87 ft at 5:00AM May 03, 2021Observed: 7.9 ft at 6:00AM May 03, 2021Observed: 7.9 ft at 7:00AM May 03, 2021Observed: 7.92 ft at 8:00AM May 03, 2021Observed: 7.95 ft at 9:00AM May 03, 2021Observed: 7.95 ft at 10:00AM May 03, 2021Observed: 7.92 ft at 11:00AM May 03, 2021Observed: 7.95 ft at 12:00PM May 03, 2021Observed: 7.92 ft at 1:00PM May 03, 2021Observed: 7.92 ft at 2:00PM May 03, 2021Observed: 7.92 ft at 3:00PM May 03, 2021Observed: 7.92 ft at 4:00PM May 03, 2021Observed: 7.92 ft at 5:00PM May 03, 2021Observed: 7.92 ft at 6:00PM May 03, 2021Observed: 8.12 ft at 6:20PM May 03, 2021Observed: 7.87 ft at 6:25PM May 03, 2021Observed: 8.15 ft at 7:00PM May 03, 2021Observed: 7.87 ft at 7:05PM May 03, 2021Observed: 7.87 ft at 8:00PM May 03, 2021Observed: 8.17 ft at 8:25PM May 03, 2021Observed: 7.87 ft at 8:30PM May 03, 2021Observed: 7.87 ft at 9:00PM May 03, 2021Observed: 7.9 ft at 9:40PM May 03, 2021Observed: 7.87 ft at 10:00PM May 03, 2021Observed: 8.07 ft at 10:35PM May 03, 2021Observed: 8.02 ft at 11:00PM May 03, 2021Observed: 7.92 ft at 12:00AM May 04, 2021Observed: 7.9 ft at 1:00AM May 04, 2021Observed: 7.9 ft at 2:00AM May 04, 2021Observed: 7.9 ft at 3:00AM May 04, 2021Observed: 7.87 ft at 4:00AM May 04, 2021Observed: 7.9 ft at 5:00AM May 04, 2021Observed: 7.87 ft at 6:00AM May 04, 2021Observed: 7.9 ft at 7:00AM May 04, 2021Observed: 8.12 ft at 7:05AM May 04, 2021Observed: 7.92 ft at 7:10AM May 04, 2021Observed: 7.92 ft at 8:00AM May 04, 2021Observed: 7.97 ft at 9:00AM May 04, 2021Observed: 7.97 ft at 10:00AM May 04, 2021Observed: 7.9 ft at 11:00AM May 04, 2021Observed: 7.92 ft at 12:00PM May 04, 2021Observed: 7.87 ft at 1:00PM May 04, 2021Observed: 7.9 ft at 2:00PM May 04, 2021Observed: 7.87 ft at 3:00PM May 04, 2021Observed: 8.29 ft at 3:30PM May 04, 2021Observed: 7.87 ft at 3:35PM May 04, 2021Observed: 8.15 ft at 3:45PM May 04, 2021Observed: 7.9 ft at 3:50PM May 04, 2021Observed: 7.9 ft at 5:00PM May 04, 2021Observed: 7.87 ft at 6:00PM May 04, 2021Observed: 7.87 ft at 7:00PM May 04, 2021Observed: 7.85 ft at 8:00PM May 04, 2021Observed: 7.85 ft at 9:00PM May 04, 2021Observed: 8.05 ft at 9:50PM May 04, 2021Observed: 7.85 ft at 9:55PM May 04, 2021Observed: 7.82 ft at 10:00PM May 04, 2021Observed: 7.85 ft at 11:00PM May 04, 2021Observed: 7.87 ft at 12:00AM May 05, 2021Observed: 7.85 ft at 1:00AM May 05, 2021Observed: 7.95 ft at 2:00AM May 05, 2021Observed: 7.82 ft at 3:00AM May 05, 2021Observed: 7.87 ft at 4:00AM May 05, 2021Observed: 7.95 ft at 5:00AM May 05, 2021Observed: 7.87 ft at 6:00AM May 05, 2021Observed: 7.87 ft at 7:00AM May 05, 2021Observed: 7.9 ft at 8:00AM May 05, 2021Observed: 7.92 ft at 9:00AM May 05, 2021Observed: 8.17 ft at 10:00AM May 05, 2021Observed: 7.92 ft at 10:05AM May 05, 2021Observed: 7.9 ft at 11:00AM May 05, 2021Observed: 7.92 ft at 12:00PM May 05, 2021Observed: 7.97 ft at 1:00PM May 05, 2021Observed: 8.32 ft at 1:05PM May 05, 2021Observed: 7.9 ft at 1:10PM May 05, 2021Observed: 8.24 ft at 1:30PM May 05, 2021Observed: 7.9 ft at 1:35PM May 05, 2021Observed: 7.9 ft at 2:00PM May 05, 2021Observed: 7.92 ft at 3:00PM May 05, 2021PWCC1(plotting HGIRR) Graph Created (3:15PM May 5, 2021)ObservedLatest observed value: 7.92 ft at 3:00 PM PDT 5-May-2021.
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 Payran Street Bridge. 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: 17.7
Moderate Flood Stage: 15
Flood Stage: 13.7
Action Stage: 10.7
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
Zoom Level:15
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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
20.7 Water reaches top of sheet pile wall.
17.7 Major Flood Stage. Top of constriction weir. Equivalent to 1
15 Moderate Flood Stage. NWS will issue a Flash Flood Warning if not already issued.
13.7 Minor Flood Stage. City of Petaluma Fire Chief, Watch Commander, and Water Resources and Conservation District Director notified.
10.7 Action Stage. NWS and City of Petaluma begin to monitor the situation closely.
About This Location Collapse

Latitude: 38.245556° N, Longitude: 122.638333° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 13.7 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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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: 2-Nov-2020 7:27 PM
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