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Hydrograph River at a Glance Download
Rillito Creek at La Cholla Stage (ft)Flow (cfs)Observed: 1.82 ft at 2:45PM Oct 15, 2021Highest Observation: 1.83 ft at 3:00PM Oct 15, 2021Highest Observation: 1.83 ft at 3:15PM Oct 15, 2021Observed: 1.82 ft at 3:30PM Oct 15, 2021Observed: 1.82 ft at 3:45PM Oct 15, 2021Observed: 1.82 ft at 4:00PM Oct 15, 2021Observed: 1.82 ft at 4:15PM Oct 15, 2021Observed: 1.82 ft at 4:30PM Oct 15, 2021Observed: 1.82 ft at 4:45PM Oct 15, 2021Observed: 1.82 ft at 5:00PM Oct 15, 2021Observed: 1.82 ft at 5:15PM Oct 15, 2021Observed: 1.82 ft at 5:30PM Oct 15, 2021Observed: 1.82 ft at 5:45PM Oct 15, 2021Observed: 1.82 ft at 6:00PM Oct 15, 2021Observed: 1.82 ft at 6:15PM Oct 15, 2021Observed: 1.82 ft at 6:30PM Oct 15, 2021Observed: 1.82 ft at 6:45PM Oct 15, 2021Observed: 1.82 ft at 7:00PM Oct 15, 2021Observed: 1.82 ft at 7:15PM Oct 15, 2021Observed: 1.82 ft at 7:30PM Oct 15, 2021Observed: 1.82 ft at 7:45PM Oct 15, 2021Observed: 1.82 ft at 8:00PM Oct 15, 2021Observed: 1.82 ft at 8:15PM Oct 15, 2021Observed: 1.82 ft at 8:30PM Oct 15, 2021Observed: 1.82 ft at 8:45PM Oct 15, 2021Observed: 1.82 ft at 9:00PM Oct 15, 2021Observed: 1.82 ft at 9:15PM Oct 15, 2021Observed: 1.82 ft at 9:30PM Oct 15, 2021Observed: 1.82 ft at 9:45PM Oct 15, 2021Observed: 1.82 ft at 10:00PM Oct 15, 2021Observed: 1.82 ft at 10:15PM Oct 15, 2021Observed: 1.82 ft at 10:30PM Oct 15, 2021Observed: 1.82 ft at 10:45PM Oct 15, 2021Observed: 1.82 ft at 10:45AM Oct 17, 2021Observed: 1.82 ft at 11:00AM Oct 17, 2021Highest Observation: 1.83 ft at 11:30AM Oct 17, 2021Observed: 1.82 ft at 11:45AM Oct 17, 2021Observed: 1.82 ft at 12:00PM Oct 17, 2021Observed: 1.82 ft at 12:15PM Oct 17, 2021Observed: 1.82 ft at 12:30PM Oct 17, 2021Observed: 1.82 ft at 12:45PM Oct 17, 2021Highest Observation: 1.83 ft at 1:00PM Oct 17, 2021Observed: 1.82 ft at 1:15PM Oct 17, 2021Observed: 1.82 ft at 1:30PM Oct 17, 2021Observed: 1.82 ft at 1:45PM Oct 17, 2021Observed: 1.82 ft at 2:00PM Oct 17, 2021Observed: 1.82 ft at 2:15PM Oct 17, 2021Observed: 1.82 ft at 2:30PM Oct 17, 2021Observed: 1.82 ft at 2:45PM Oct 17, 2021Observed: 1.82 ft at 3:00PM Oct 17, 2021Observed: 1.82 ft at 3:15PM Oct 17, 2021Observed: 1.82 ft at 3:30PM Oct 17, 2021Observed: 1.82 ft at 3:45PM Oct 17, 2021Observed: 1.82 ft at 4:00PM Oct 17, 2021Observed: 1.82 ft at 12:45PM Oct 18, 2021Highest Forecast: 2.14 ft 10:00PM Oct 19, 2021Highest Forecast: 2.14 ft 11:00PM Oct 19, 2021Highest Forecast: 2.14 ft 12:00AM Oct 20, 2021Highest Forecast: 2.14 ft 1:00AM Oct 20, 2021Highest Forecast: 2.14 ft 2:00AM Oct 20, 2021Highest Forecast: 2.14 ft 3:00AM Oct 20, 2021Highest Forecast: 2.14 ft 4:00AM Oct 20, 2021Highest Forecast: 2.14 ft 5:00AM Oct 20, 2021Highest Forecast: 2.14 ft 6:00AM Oct 20, 2021Highest Forecast: 2.14 ft 7:00AM Oct 20, 2021Highest Forecast: 2.14 ft 8:00AM Oct 20, 2021Highest Forecast: 2.14 ft 9:00AM Oct 20, 2021Highest Forecast: 2.14 ft 10:00AM Oct 20, 2021Highest Forecast: 2.14 ft 11:00AM Oct 20, 2021Highest Forecast: 2.14 ft 12:00PM Oct 20, 2021Highest Forecast: 2.14 ft 1:00PM Oct 20, 2021Highest Forecast: 2.14 ft 2:00PM Oct 20, 2021Highest Forecast: 2.14 ft 3:00PM Oct 20, 2021Highest Forecast: 2.14 ft 4:00PM Oct 20, 2021Highest Forecast: 2.14 ft 5:00PM Oct 20, 2021Highest Forecast: 2.14 ft 6:00PM Oct 20, 2021Highest Forecast: 2.14 ft 7:00PM Oct 20, 2021Highest Forecast: 2.14 ft 8:00PM Oct 20, 2021Highest Forecast: 2.14 ft 9:00PM Oct 20, 2021Highest Forecast: 2.14 ft 10:00PM Oct 20, 2021Highest Forecast: 2.14 ft 11:00PM Oct 20, 2021Highest Forecast: 2.14 ft 12:00AM Oct 21, 2021Highest Forecast: 2.14 ft 1:00AM Oct 21, 2021Highest Forecast: 2.14 ft 2:00AM Oct 21, 2021Highest Forecast: 2.14 ft 3:00AM Oct 21, 2021Highest Forecast: 2.14 ft 4:00AM Oct 21, 2021Highest Forecast: 2.14 ft 5:00AM Oct 21, 2021Highest Forecast: 2.14 ft 6:00AM Oct 21, 2021Highest Forecast: 2.14 ft 7:00AM Oct 21, 2021Highest Forecast: 2.14 ft 8:00AM Oct 21, 2021Highest Forecast: 2.14 ft 9:00AM Oct 21, 2021Highest Forecast: 2.14 ft 10:00AM Oct 21, 2021Highest Forecast: 2.14 ft 11:00AM Oct 21, 2021Highest Forecast: 2.14 ft 12:00PM Oct 21, 2021Highest Forecast: 2.14 ft 1:00PM Oct 21, 2021Highest Forecast: 2.14 ft 2:00PM Oct 21, 2021Highest Forecast: 2.14 ft 3:00PM Oct 21, 2021Highest Forecast: 2.14 ft 4:00PM Oct 21, 2021Highest Forecast: 2.14 ft 5:00PM Oct 21, 2021Highest Forecast: 2.14 ft 6:00PM Oct 21, 2021Highest Forecast: 2.14 ft 7:00PM Oct 21, 2021Highest Forecast: 2.14 ft 8:00PM Oct 21, 2021Highest Forecast: 2.14 ft 9:00PM Oct 21, 2021Highest Forecast: 2.14 ft 10:00PM Oct 21, 2021Highest Forecast: 2.14 ft 11:00PM Oct 21, 2021Highest Forecast: 2.14 ft 12:00AM Oct 22, 2021Highest Forecast: 2.14 ft 1:00AM Oct 22, 2021Highest Forecast: 2.14 ft 2:00AM Oct 22, 2021Highest Forecast: 2.14 ft 3:00AM Oct 22, 2021Highest Forecast: 2.14 ft 4:00AM Oct 22, 2021Highest Forecast: 2.14 ft 5:00AM Oct 22, 2021Highest Forecast: 2.14 ft 6:00AM Oct 22, 2021Highest Forecast: 2.14 ft 7:00AM Oct 22, 2021Highest Forecast: 2.14 ft 8:00AM Oct 22, 2021Highest Forecast: 2.14 ft 9:00AM Oct 22, 2021Highest Forecast: 2.14 ft 10:00AM Oct 22, 2021Highest Forecast: 2.14 ft 11:00AM Oct 22, 2021Highest Forecast: 2.14 ft 12:00PM Oct 22, 2021Highest Forecast: 2.14 ft 1:00PM Oct 22, 2021Highest Forecast: 2.14 ft 2:00PM Oct 22, 2021Highest Forecast: 2.14 ft 3:00PM Oct 22, 2021Highest Forecast: 2.14 ft 4:00PM Oct 22, 2021Highest Forecast: 2.14 ft 5:00PM Oct 22, 2021Highest Forecast: 2.14 ft 6:00PM Oct 22, 2021Highest Forecast: 2.14 ft 7:00PM Oct 22, 2021Highest Forecast: 2.14 ft 8:00PM Oct 22, 2021Highest Forecast: 2.14 ft 9:00PM Oct 22, 2021Highest Forecast: 2.14 ft 10:00PM Oct 22, 2021Highest Forecast: 2.14 ft 11:00PM Oct 22, 2021Highest Forecast: 2.14 ft 12:00AM Oct 23, 2021Highest Forecast: 2.14 ft 1:00AM Oct 23, 2021Highest Forecast: 2.14 ft 2:00AM Oct 23, 2021Highest Forecast: 2.14 ft 3:00AM Oct 23, 2021Highest Forecast: 2.14 ft 4:00AM Oct 23, 2021Highest Forecast: 2.14 ft 5:00AM Oct 23, 2021Highest Forecast: 2.14 ft 6:00AM Oct 23, 2021Highest Forecast: 2.14 ft 7:00AM Oct 23, 2021Highest Forecast: 2.14 ft 8:00AM Oct 23, 2021Highest Forecast: 2.14 ft 9:00AM Oct 23, 2021Highest Forecast: 2.14 ft 10:00AM Oct 23, 2021Highest Forecast: 2.14 ft 11:00AM Oct 23, 2021Highest Forecast: 2.14 ft 12:00PM Oct 23, 2021Highest Forecast: 2.14 ft 1:00PM Oct 23, 2021Highest Forecast: 2.14 ft 2:00PM Oct 23, 2021Highest Forecast: 2.14 ft 3:00PM Oct 23, 2021Highest Forecast: 2.14 ft 4:00PM Oct 23, 2021Highest Forecast: 2.14 ft 5:00PM Oct 23, 2021Highest Forecast: 2.14 ft 6:00PM Oct 23, 2021Highest Forecast: 2.14 ft 7:00PM Oct 23, 2021Highest Forecast: 2.14 ft 8:00PM Oct 23, 2021Highest Forecast: 2.14 ft 9:00PM Oct 23, 2021Highest Forecast: 2.14 ft 10:00PM Oct 23, 2021Highest Forecast: 2.14 ft 11:00PM Oct 23, 2021Highest Forecast: 2.14 ft 12:00AM Oct 24, 2021Highest Forecast: 2.14 ft 1:00AM Oct 24, 2021Highest Forecast: 2.14 ft 2:00AM Oct 24, 2021Highest Forecast: 2.14 ft 3:00AM Oct 24, 2021Highest Forecast: 2.14 ft 4:00AM Oct 24, 2021Highest Forecast: 2.14 ft 5:00AM Oct 24, 2021Highest Forecast: 2.14 ft 6:00AM Oct 24, 2021Highest Forecast: 2.14 ft 7:00AM Oct 24, 2021Highest Forecast: 2.14 ft 8:00AM Oct 24, 2021Highest Forecast: 2.14 ft 9:00AM Oct 24, 2021Highest Forecast: 2.14 ft 10:00AM Oct 24, 2021Highest Forecast: 2.14 ft 11:00AM Oct 24, 2021Highest Forecast: 2.14 ft 12:00PM Oct 24, 2021Highest Forecast: 2.14 ft 1:00PM Oct 24, 2021Highest Forecast: 2.14 ft 2:00PM Oct 24, 2021Highest Forecast: 2.14 ft 3:00PM Oct 24, 2021Highest Forecast: 2.14 ft 4:00PM Oct 24, 2021Highest Forecast: 2.14 ft 5:00PM Oct 24, 2021Highest Forecast: 2.14 ft 6:00PM Oct 24, 2021Highest Forecast: 2.14 ft 7:00PM Oct 24, 2021Highest Forecast: 2.14 ft 8:00PM Oct 24, 2021Highest Forecast: 2.14 ft 9:00PM Oct 24, 2021USGS--Water Resources of the United StatesRICA3(plotting HGIRG) Graph Created (9:53PM Oct 19, 2021)ObservedForecast (issued 7:00AM Oct 19)Latest observed value: 1.82 ft at 12:45 PM MST 18-Oct-2021.
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About this graph
Tabular Data (UTC)
Tabular Data (MST)
XML Data
RSS Files
Datum: NGVD29
Metadata
Reliability of the Forecast: Forecast data shown here are guidance values only. Please refer to your local NWS office.

NOTE: Forecasts for the Rillito Creek at La Cholla are issued routinely year-round.

Vertical datum height surveyed by the USGS

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Upstream Gauge - at Dodge Boulevard Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 0
Action Stage: 12.3
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: 32.303333° N, Longitude: 111.011389° 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 2260 Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
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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
Tucson Weather Forecast Office
520 North Park Ave, Suite 304
Tucson, AZ 85719
(520) 670-6526
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