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Hydrograph River at a Glance Download
Lake Hennessey  Stage (ft)Observed: 304.82 ft at 4:02PM Sep 13, 2020Observed: 304.82 ft at 4:05PM Sep 13, 2020Observed: 304.82 ft at 4:27PM Sep 13, 2020Observed: 304.82 ft at 4:30PM Sep 13, 2020Observed: 304.82 ft at 6:27PM Sep 13, 2020Observed: 304.82 ft at 6:30PM Sep 13, 2020Observed: 304.82 ft at 6:58PM Sep 13, 2020Observed: 304.82 ft at 7:00PM Sep 13, 2020Observed: 304.92 ft at 7:57PM Sep 13, 2020Observed: 304.92 ft at 8:00PM Sep 13, 2020Observed: 304.82 ft at 8:58PM Sep 13, 2020Observed: 304.82 ft at 9:00PM Sep 13, 2020Observed: 304.92 ft at 9:28PM Sep 13, 2020Observed: 304.92 ft at 9:30PM Sep 13, 2020Observed: 304.92 ft at 10:00PM Sep 13, 2020Observed: 304.92 ft at 10:05PM Sep 13, 2020Observed: 304.92 ft at 10:57PM Sep 13, 2020Observed: 304.92 ft at 11:00PM Sep 13, 2020Observed: 304.92 ft at 11:28PM Sep 13, 2020Observed: 304.92 ft at 11:30PM Sep 13, 2020Observed: 304.92 ft at 11:57PM Sep 13, 2020Observed: 304.92 ft at 12:00AM Sep 14, 2020Observed: 304.92 ft at 1:01AM Sep 14, 2020Observed: 304.92 ft at 1:05AM Sep 14, 2020Observed: 304.92 ft at 1:57AM Sep 14, 2020Observed: 304.92 ft at 2:00AM Sep 14, 2020Observed: 304.92 ft at 2:27AM Sep 14, 2020Observed: 304.92 ft at 2:30AM Sep 14, 2020Observed: 305.02 ft at 4:00AM Sep 14, 2020Observed: 305.02 ft at 4:05AM Sep 14, 2020Observed: 305.02 ft at 4:28AM Sep 14, 2020Observed: 305.02 ft at 4:30AM Sep 14, 2020Observed: 305.02 ft at 6:59AM Sep 14, 2020Observed: 305.02 ft at 7:00AM Sep 14, 2020Observed: 305.02 ft at 7:27AM Sep 14, 2020Observed: 305.02 ft at 7:30AM Sep 14, 2020Observed: 305.02 ft at 10:01AM Sep 14, 2020Observed: 305.02 ft at 10:05AM Sep 14, 2020Observed: 305.02 ft at 10:57AM Sep 14, 2020Observed: 305.02 ft at 11:00AM Sep 14, 2020Observed: 305.02 ft at 11:57AM Sep 14, 2020Observed: 305.02 ft at 12:00PM Sep 14, 2020Observed: 305.02 ft at 1:01PM Sep 14, 2020Observed: 305.02 ft at 1:05PM Sep 14, 2020Observed: 304.92 ft at 1:27PM Sep 14, 2020Observed: 304.92 ft at 1:30PM Sep 14, 2020Observed: 304.92 ft at 1:58PM Sep 14, 2020Observed: 304.92 ft at 2:00PM Sep 14, 2020Observed: 304.92 ft at 2:57PM Sep 14, 2020Observed: 304.92 ft at 3:00PM Sep 14, 2020Observed: 304.92 ft at 3:27PM Sep 14, 2020Observed: 304.92 ft at 3:30PM Sep 14, 2020Observed: 304.92 ft at 3:58PM Sep 14, 2020Observed: 304.92 ft at 4:00PM Sep 14, 2020Observed: 304.92 ft at 6:57PM Sep 14, 2020Observed: 304.92 ft at 7:00PM Sep 14, 2020Observed: 304.92 ft at 7:57PM Sep 14, 2020Observed: 304.92 ft at 8:00PM Sep 14, 2020Observed: 305.02 ft at 8:27PM Sep 14, 2020Observed: 305.02 ft at 8:30PM Sep 14, 2020Observed: 305.02 ft at 8:57PM Sep 14, 2020Observed: 305.02 ft at 9:00PM Sep 14, 2020Observed: 305.02 ft at 9:27PM Sep 14, 2020Observed: 305.02 ft at 9:30PM Sep 14, 2020Observed: 304.92 ft at 10:01PM Sep 14, 2020Observed: 304.92 ft at 10:05PM Sep 14, 2020Observed: 304.92 ft at 10:27PM Sep 14, 2020Observed: 304.92 ft at 10:30PM Sep 14, 2020Observed: 304.92 ft at 11:28PM Sep 14, 2020Observed: 304.92 ft at 11:30PM Sep 14, 2020Observed: 305.02 ft at 11:57PM Sep 14, 2020Observed: 305.02 ft at 12:00AM Sep 15, 2020Observed: 305.02 ft at 12:27AM Sep 15, 2020Observed: 305.02 ft at 12:30AM Sep 15, 2020Observed: 305.02 ft at 12:59AM Sep 15, 2020Observed: 305.02 ft at 1:00AM Sep 15, 2020Observed: 305.02 ft at 1:27AM Sep 15, 2020Observed: 305.02 ft at 1:30AM Sep 15, 2020Observed: 305.02 ft at 1:57AM Sep 15, 2020Observed: 305.02 ft at 2:00AM Sep 15, 2020Observed: 305.02 ft at 3:59AM Sep 15, 2020Observed: 305.02 ft at 4:00AM Sep 15, 2020Highest Observation: 305.12 ft at 5:58AM Sep 15, 2020Highest Observation: 305.12 ft at 6:00AM Sep 15, 2020Highest Observation: 305.12 ft at 6:27AM Sep 15, 2020Highest Observation: 305.12 ft at 6:30AM Sep 15, 2020Highest Observation: 305.12 ft at 7:00AM Sep 15, 2020Highest Observation: 305.12 ft at 7:05AM Sep 15, 2020Highest Observation: 305.12 ft at 9:59AM Sep 15, 2020Highest Observation: 305.12 ft at 10:00AM Sep 15, 2020Observed: 305.02 ft at 11:28AM Sep 15, 2020Observed: 305.02 ft at 11:30AM Sep 15, 2020Observed: 305.02 ft at 11:58AM Sep 15, 2020Observed: 305.02 ft at 12:00PM Sep 15, 2020Observed: 305.02 ft at 12:58PM Sep 15, 2020Observed: 305.02 ft at 1:00PM Sep 15, 2020Observed: 305.02 ft at 1:57PM Sep 15, 2020Observed: 305.02 ft at 2:00PM Sep 15, 2020Observed: 305.02 ft at 2:27PM Sep 15, 2020Observed: 305.02 ft at 2:30PM Sep 15, 2020Observed: 305.02 ft at 2:58PM Sep 15, 2020Observed: 305.02 ft at 3:00PM Sep 15, 2020Observed: 304.92 ft at 4:01PM Sep 15, 2020Observed: 304.92 ft at 4:05PM Sep 15, 2020Observed: 304.92 ft at 4:27PM Sep 15, 2020Observed: 304.92 ft at 4:30PM Sep 15, 2020Observed: 304.92 ft at 5:27PM Sep 15, 2020Observed: 304.92 ft at 5:30PM Sep 15, 2020Observed: 304.92 ft at 6:28PM Sep 15, 2020Observed: 304.92 ft at 6:30PM Sep 15, 2020Observed: 304.92 ft at 7:00PM Sep 15, 2020Observed: 304.92 ft at 7:05PM Sep 15, 2020Observed: 304.92 ft at 7:28PM Sep 15, 2020Observed: 304.92 ft at 7:30PM Sep 15, 2020Observed: 304.92 ft at 7:57PM Sep 15, 2020Observed: 304.92 ft at 8:00PM Sep 15, 2020Observed: 305.02 ft at 8:28PM Sep 15, 2020Observed: 305.02 ft at 8:30PM Sep 15, 2020Observed: 305.02 ft at 8:57PM Sep 15, 2020Observed: 305.02 ft at 9:00PM Sep 15, 2020Observed: 305.02 ft at 9:27PM Sep 15, 2020Observed: 305.02 ft at 9:30PM Sep 15, 2020Observed: 305.02 ft at 9:58PM Sep 15, 2020Observed: 305.02 ft at 10:00PM Sep 15, 2020Observed: 305.02 ft at 11:57PM Sep 15, 2020Observed: 305.02 ft at 12:00AM Sep 16, 2020Observed: 305.02 ft at 12:58AM Sep 16, 2020Observed: 305.02 ft at 1:00AM Sep 16, 2020Observed: 305.02 ft at 1:27AM Sep 16, 2020Observed: 305.02 ft at 1:30AM Sep 16, 2020Observed: 305.02 ft at 3:27AM Sep 16, 2020Observed: 305.02 ft at 3:30AM Sep 16, 2020Observed: 305.02 ft at 3:59AM Sep 16, 2020Observed: 305.02 ft at 4:00AM Sep 16, 2020Observed: 305.02 ft at 4:27AM Sep 16, 2020Observed: 305.02 ft at 4:30AM Sep 16, 2020Observed: 305.02 ft at 5:57AM Sep 16, 2020Observed: 305.02 ft at 6:00AM Sep 16, 2020Observed: 305.02 ft at 6:27AM Sep 16, 2020Observed: 305.02 ft at 6:30AM Sep 16, 2020Observed: 305.02 ft at 6:59AM Sep 16, 2020Observed: 305.02 ft at 7:00AM Sep 16, 2020Observed: 305.02 ft at 7:58AM Sep 16, 2020Observed: 305.02 ft at 8:00AM Sep 16, 2020Observed: 305.02 ft at 10:01AM Sep 16, 2020Observed: 305.02 ft at 10:05AM Sep 16, 2020Observed: 305.02 ft at 11:28AM Sep 16, 2020Observed: 305.02 ft at 11:30AM Sep 16, 2020Observed: 305.02 ft at 11:57AM Sep 16, 2020Observed: 305.02 ft at 12:00PM Sep 16, 2020Observed: 305.02 ft at 12:28PM Sep 16, 2020Observed: 305.02 ft at 12:30PM Sep 16, 2020Observed: 305.02 ft at 12:58PM Sep 16, 2020Observed: 305.02 ft at 1:00PM Sep 16, 2020Observed: 304.92 ft at 1:27PM Sep 16, 2020Observed: 304.92 ft at 1:30PM Sep 16, 2020Observed: 304.92 ft at 1:57PM Sep 16, 2020Observed: 304.92 ft at 2:00PM Sep 16, 2020Observed: 304.92 ft at 2:57PM Sep 16, 2020Observed: 304.92 ft at 3:00PM Sep 16, 2020Observed: 304.92 ft at 3:27PM Sep 16, 2020Observed: 304.92 ft at 3:30PM Sep 16, 2020Observed: 304.92 ft at 4:01PM Sep 16, 2020Observed: 304.92 ft at 4:05PM Sep 16, 2020Observed: 304.92 ft at 4:58PM Sep 16, 2020Observed: 304.92 ft at 5:00PM Sep 16, 2020Observed: 304.92 ft at 7:00PM Sep 16, 2020Observed: 304.92 ft at 7:05PM Sep 16, 2020Observed: 304.92 ft at 7:28PM Sep 16, 2020Observed: 304.92 ft at 7:30PM Sep 16, 2020Observed: 304.92 ft at 7:58PM Sep 16, 2020Observed: 304.92 ft at 8:00PM Sep 16, 2020Observed: 304.92 ft at 8:27PM Sep 16, 2020Observed: 304.92 ft at 8:30PM Sep 16, 2020Observed: 304.92 ft at 8:57PM Sep 16, 2020Observed: 304.92 ft at 9:00PM Sep 16, 2020Observed: 304.92 ft at 9:59PM Sep 16, 2020Observed: 304.92 ft at 10:00PM Sep 16, 2020Observed: 304.92 ft at 12:58AM Sep 17, 2020Observed: 304.92 ft at 1:00AM Sep 17, 2020Observed: 304.92 ft at 1:58AM Sep 17, 2020Observed: 304.92 ft at 2:00AM Sep 17, 2020Observed: 304.92 ft at 2:27AM Sep 17, 2020Observed: 304.92 ft at 2:30AM Sep 17, 2020Observed: 304.92 ft at 2:57AM Sep 17, 2020Observed: 304.92 ft at 3:00AM Sep 17, 2020Observed: 304.92 ft at 4:00AM Sep 17, 2020Observed: 304.92 ft at 4:05AM Sep 17, 2020Observed: 304.92 ft at 4:57AM Sep 17, 2020Observed: 304.92 ft at 5:00AM Sep 17, 2020Observed: 304.92 ft at 6:27AM Sep 17, 2020Observed: 304.92 ft at 6:30AM Sep 17, 2020Observed: 304.92 ft at 6:59AM Sep 17, 2020Observed: 304.92 ft at 7:00AM Sep 17, 2020Observed: 304.92 ft at 8:57AM Sep 17, 2020Observed: 304.92 ft at 9:00AM Sep 17, 2020Observed: 304.92 ft at 9:27AM Sep 17, 2020Observed: 304.92 ft at 9:30AM Sep 17, 2020Observed: 304.92 ft at 9:59AM Sep 17, 2020Observed: 304.92 ft at 10:00AM Sep 17, 2020Observed: 304.92 ft at 11:28AM Sep 17, 2020Observed: 304.92 ft at 11:30AM Sep 17, 2020Observed: 304.82 ft at 12:28PM Sep 17, 2020Observed: 304.82 ft at 12:30PM Sep 17, 2020Observed: 304.82 ft at 1:01PM Sep 17, 2020Observed: 304.82 ft at 1:05PM Sep 17, 2020Observed: 304.82 ft at 1:27PM Sep 17, 2020Observed: 304.82 ft at 1:30PM Sep 17, 2020Observed: 304.82 ft at 3:58PM Sep 17, 2020Observed: 304.82 ft at 4:00PM Sep 17, 2020Observed: 304.82 ft at 4:57PM Sep 17, 2020Observed: 304.82 ft at 5:00PM Sep 17, 2020Observed: 304.82 ft at 6:27PM Sep 17, 2020Observed: 304.82 ft at 6:30PM Sep 17, 2020Observed: 304.82 ft at 6:58PM Sep 17, 2020Observed: 304.82 ft at 7:00PM Sep 17, 2020Observed: 304.82 ft at 8:58PM Sep 17, 2020Observed: 304.82 ft at 9:00PM Sep 17, 2020Observed: 304.82 ft at 9:27PM Sep 17, 2020Observed: 304.82 ft at 9:30PM Sep 17, 2020Observed: 304.82 ft at 10:01PM Sep 17, 2020Observed: 304.82 ft at 10:05PM Sep 17, 2020Observed: 304.72 ft at 10:27PM Sep 17, 2020Observed: 304.72 ft at 10:30PM Sep 17, 2020Observed: 304.72 ft at 10:57PM Sep 17, 2020Observed: 304.72 ft at 11:00PM Sep 17, 2020Observed: 304.82 ft at 11:57PM Sep 17, 2020Observed: 304.82 ft at 12:00AM Sep 18, 2020Observed: 304.82 ft at 12:27AM Sep 18, 2020Observed: 304.82 ft at 12:30AM Sep 18, 2020Observed: 304.82 ft at 12:58AM Sep 18, 2020Observed: 304.82 ft at 1:00AM Sep 18, 2020Observed: 304.82 ft at 2:27AM Sep 18, 2020Observed: 304.82 ft at 2:30AM Sep 18, 2020Observed: 304.82 ft at 2:58AM Sep 18, 2020Observed: 304.82 ft at 3:00AM Sep 18, 2020Observed: 304.82 ft at 4:01AM Sep 18, 2020Observed: 304.82 ft at 4:05AM Sep 18, 2020Observed: 304.82 ft at 7:01AM Sep 18, 2020Observed: 304.82 ft at 7:05AM Sep 18, 2020Observed: 304.82 ft at 7:27AM Sep 18, 2020Observed: 304.82 ft at 7:30AM Sep 18, 2020Observed: 304.82 ft at 7:57AM Sep 18, 2020Observed: 304.82 ft at 8:00AM Sep 18, 2020Observed: 304.82 ft at 9:27AM Sep 18, 2020Observed: 304.82 ft at 9:30AM Sep 18, 2020Observed: 304.92 ft at 10:00AM Sep 18, 2020Observed: 304.92 ft at 10:05AM Sep 18, 2020Observed: 304.92 ft at 10:27AM Sep 18, 2020Observed: 304.92 ft at 10:30AM Sep 18, 2020Observed: 304.92 ft at 10:57AM Sep 18, 2020Observed: 304.92 ft at 11:00AM Sep 18, 2020Observed: 304.82 ft at 11:27AM Sep 18, 2020Observed: 304.82 ft at 11:30AM Sep 18, 2020Observed: 304.82 ft at 12:27PM Sep 18, 2020Observed: 304.82 ft at 12:30PM Sep 18, 2020Observed: 304.82 ft at 12:59PM Sep 18, 2020Observed: 304.82 ft at 1:00PM Sep 18, 2020Observed: 304.82 ft at 1:58PM Sep 18, 2020Observed: 304.82 ft at 2:00PM Sep 18, 2020Observed: 304.82 ft at 2:27PM Sep 18, 2020Observed: 304.82 ft at 2:30PM Sep 18, 2020Observed: 304.82 ft at 2:57PM Sep 18, 2020Observed: 304.82 ft at 3:00PM Sep 18, 2020CDWC1(plotting HGIRR) Graph Created (4:00PM Sep 18, 2020)ObservedLatest observed value: 304.82 ft at 3:00 PM PDT 18-Sep-2020.
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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 Lake Hennessey . During times of high water, forecast crest information can be found in the text products.
Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 0
Action Stage: 317
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: 38.481944° N, Longitude: 122.372778° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available 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
Collaborative Agencies Collapse
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
National Weather Service
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: 1-Mar-2019 12:32 AM
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