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Hydrograph River at a Glance Download
Rio Grande at Alamosa Stage (ft)Flow (cfs)Highest Observation: 3.76 ft at 12:15PM Jul 29, 2015Highest Observation: 3.76 ft at 12:30PM Jul 29, 2015Highest Observation: 3.76 ft at 12:45PM Jul 29, 2015Highest Observation: 3.76 ft at 1:00PM Jul 29, 2015Observed: 3.75 ft at 1:15PM Jul 29, 2015Observed: 3.75 ft at 1:30PM Jul 29, 2015Observed: 3.75 ft at 1:45PM Jul 29, 2015Observed: 3.74 ft at 2:00PM Jul 29, 2015Observed: 3.74 ft at 2:15PM Jul 29, 2015Observed: 3.74 ft at 2:30PM Jul 29, 2015Observed: 3.73 ft at 2:45PM Jul 29, 2015Observed: 3.73 ft at 3:00PM Jul 29, 2015Observed: 3.73 ft at 3:15PM Jul 29, 2015Observed: 3.73 ft at 3:30PM Jul 29, 2015Observed: 3.73 ft at 3:45PM Jul 29, 2015Observed: 3.73 ft at 4:00PM Jul 29, 2015Observed: 3.72 ft at 4:15PM Jul 29, 2015Observed: 3.73 ft at 4:30PM Jul 29, 2015Observed: 3.73 ft at 4:45PM Jul 29, 2015Observed: 3.73 ft at 5:00PM Jul 29, 2015Observed: 3.73 ft at 5:15PM Jul 29, 2015Observed: 3.73 ft at 5:30PM Jul 29, 2015Observed: 3.73 ft at 5:45PM Jul 29, 2015Observed: 3.73 ft at 6:00PM Jul 29, 2015Observed: 3.72 ft at 6:15PM Jul 29, 2015Observed: 3.72 ft at 6:30PM Jul 29, 2015Observed: 3.72 ft at 6:45PM Jul 29, 2015Observed: 3.72 ft at 7:00PM Jul 29, 2015Observed: 3.72 ft at 7:15PM Jul 29, 2015Observed: 3.72 ft at 7:30PM Jul 29, 2015Observed: 3.72 ft at 7:45PM Jul 29, 2015Observed: 3.72 ft at 8:00PM Jul 29, 2015Observed: 3.71 ft at 8:15PM Jul 29, 2015Observed: 3.71 ft at 8:30PM Jul 29, 2015Observed: 3.71 ft at 8:45PM Jul 29, 2015Observed: 3.71 ft at 9:00PM Jul 29, 2015Observed: 3.71 ft at 9:15PM Jul 29, 2015Observed: 3.71 ft at 9:30PM Jul 29, 2015Observed: 3.71 ft at 9:45PM Jul 29, 2015Observed: 3.71 ft at 10:00PM Jul 29, 2015Observed: 3.7 ft at 10:15PM Jul 29, 2015Observed: 3.7 ft at 10:30PM Jul 29, 2015Observed: 3.7 ft at 10:45PM Jul 29, 2015Observed: 3.7 ft at 11:00PM Jul 29, 2015Observed: 3.7 ft at 11:15PM Jul 29, 2015Observed: 3.7 ft at 11:30PM Jul 29, 2015Observed: 3.71 ft at 11:45PM Jul 29, 2015Observed: 3.71 ft at 12:00AM Jul 30, 2015Observed: 3.71 ft at 12:15AM Jul 30, 2015Observed: 3.71 ft at 12:30AM Jul 30, 2015Observed: 3.71 ft at 12:45AM Jul 30, 2015Observed: 3.71 ft at 1:00AM Jul 30, 2015Observed: 3.71 ft at 1:15AM Jul 30, 2015Observed: 3.71 ft at 1:30AM Jul 30, 2015Observed: 3.7 ft at 1:45AM Jul 30, 2015Observed: 3.7 ft at 2:00AM Jul 30, 2015Observed: 3.7 ft at 2:15AM Jul 30, 2015Observed: 3.7 ft at 2:16AM Jul 30, 2015Observed: 3.7 ft at 2:31AM Jul 30, 2015Observed: 3.7 ft at 2:46AM Jul 30, 2015Observed: 3.7 ft at 3:30AM Jul 30, 2015Observed: 3.7 ft at 3:45AM Jul 30, 2015Observed: 3.69 ft at 4:00AM Jul 30, 2015Observed: 3.69 ft at 4:15AM Jul 30, 2015Observed: 3.69 ft at 4:30AM Jul 30, 2015Observed: 3.69 ft at 4:45AM Jul 30, 2015Observed: 3.69 ft at 5:00AM Jul 30, 2015Observed: 3.68 ft at 5:15AM Jul 30, 2015Observed: 3.68 ft at 5:30AM Jul 30, 2015Observed: 3.67 ft at 5:45AM Jul 30, 2015Observed: 3.67 ft at 6:00AM Jul 30, 2015Observed: 3.66 ft at 6:15AM Jul 30, 2015Observed: 3.66 ft at 6:30AM Jul 30, 2015Observed: 3.65 ft at 6:45AM Jul 30, 2015Observed: 3.64 ft at 7:00AM Jul 30, 2015Observed: 3.64 ft at 7:15AM Jul 30, 2015Observed: 3.63 ft at 7:30AM Jul 30, 2015Observed: 3.62 ft at 7:45AM Jul 30, 2015Observed: 3.61 ft at 8:00AM Jul 30, 2015Observed: 3.61 ft at 8:15AM Jul 30, 2015Observed: 3.6 ft at 8:30AM Jul 30, 2015Observed: 3.59 ft at 8:45AM Jul 30, 2015Observed: 3.58 ft at 9:00AM Jul 30, 2015Observed: 3.57 ft at 9:15AM Jul 30, 2015Observed: 3.56 ft at 9:30AM Jul 30, 2015Observed: 3.55 ft at 9:45AM Jul 30, 2015Observed: 3.55 ft at 10:00AM Jul 30, 2015Observed: 3.54 ft at 10:15AM Jul 30, 2015Observed: 3.53 ft at 10:30AM Jul 30, 2015Observed: 3.52 ft at 10:45AM Jul 30, 2015Observed: 3.51 ft at 11:00AM Jul 30, 2015Observed: 3.5 ft at 11:15AM Jul 30, 2015Observed: 3.49 ft at 11:30AM Jul 30, 2015Observed: 3.49 ft at 11:45AM Jul 30, 2015Observed: 3.48 ft at 12:00PM Jul 30, 2015Observed: 3.47 ft at 12:15PM Jul 30, 2015Observed: 3.46 ft at 12:30PM Jul 30, 2015Observed: 3.45 ft at 12:45PM Jul 30, 2015Observed: 3.45 ft at 1:00PM Jul 30, 2015Observed: 3.44 ft at 1:15PM Jul 30, 2015Observed: 3.43 ft at 1:30PM Jul 30, 2015Observed: 3.42 ft at 1:45PM Jul 30, 2015Observed: 3.42 ft at 2:00PM Jul 30, 2015Observed: 3.41 ft at 2:15PM Jul 30, 2015Observed: 3.41 ft at 2:17PM Jul 30, 2015Observed: 3.4 ft at 2:30PM Jul 30, 2015Observed: 3.4 ft at 2:32PM Jul 30, 2015Observed: 3.4 ft at 2:45PM Jul 30, 2015Observed: 3.4 ft at 2:47PM Jul 30, 2015Observed: 3.39 ft at 3:00PM Jul 30, 2015Observed: 3.38 ft at 3:15PM Jul 30, 2015Observed: 3.37 ft at 3:30PM Jul 30, 2015Observed: 3.36 ft at 3:45PM Jul 30, 2015Observed: 3.36 ft at 4:00PM Jul 30, 2015Observed: 3.35 ft at 4:15PM Jul 30, 2015Observed: 3.34 ft at 4:30PM Jul 30, 2015Observed: 3.33 ft at 4:45PM Jul 30, 2015Observed: 3.33 ft at 5:00PM Jul 30, 2015Observed: 3.32 ft at 5:15PM Jul 30, 2015Observed: 3.31 ft at 5:30PM Jul 30, 2015Observed: 3.3 ft at 5:45PM Jul 30, 2015Observed: 3.3 ft at 6:00PM Jul 30, 2015Observed: 3.29 ft at 6:15PM Jul 30, 2015Observed: 3.28 ft at 6:30PM Jul 30, 2015Observed: 3.27 ft at 6:45PM Jul 30, 2015Observed: 3.27 ft at 7:00PM Jul 30, 2015Observed: 3.26 ft at 7:15PM Jul 30, 2015Observed: 3.26 ft at 7:30PM Jul 30, 2015Observed: 3.25 ft at 7:45PM Jul 30, 2015Observed: 3.24 ft at 8:00PM Jul 30, 2015Observed: 3.23 ft at 8:15PM Jul 30, 2015Observed: 3.23 ft at 8:30PM Jul 30, 2015Observed: 3.22 ft at 8:45PM Jul 30, 2015Observed: 3.22 ft at 9:00PM Jul 30, 2015Observed: 3.21 ft at 9:15PM Jul 30, 2015Observed: 3.21 ft at 9:30PM Jul 30, 2015Observed: 3.2 ft at 9:45PM Jul 30, 2015Observed: 3.19 ft at 10:00PM Jul 30, 2015Observed: 3.19 ft at 10:15PM Jul 30, 2015Observed: 3.18 ft at 10:30PM Jul 30, 2015Observed: 3.18 ft at 10:45PM Jul 30, 2015Observed: 3.17 ft at 11:00PM Jul 30, 2015Observed: 3.17 ft at 11:15PM Jul 30, 2015Observed: 3.16 ft at 11:30PM Jul 30, 2015Observed: 3.16 ft at 11:45PM Jul 30, 2015Observed: 3.15 ft at 12:00AM Jul 31, 2015Observed: 3.15 ft at 12:15AM Jul 31, 2015Observed: 3.15 ft at 12:30AM Jul 31, 2015Observed: 3.14 ft at 12:45AM Jul 31, 2015Observed: 3.13 ft at 1:00AM Jul 31, 2015Observed: 3.13 ft at 1:15AM Jul 31, 2015Observed: 3.13 ft at 1:30AM Jul 31, 2015Observed: 3.12 ft at 1:45AM Jul 31, 2015Observed: 3.11 ft at 2:00AM Jul 31, 2015Observed: 3.11 ft at 2:15AM Jul 31, 2015Observed: 3.11 ft at 2:16AM Jul 31, 2015Observed: 3.1 ft at 2:30AM Jul 31, 2015Observed: 3.1 ft at 2:31AM Jul 31, 2015Observed: 3.1 ft at 2:45AM Jul 31, 2015Observed: 3.1 ft at 2:46AM Jul 31, 2015Observed: 3.09 ft at 3:00AM Jul 31, 2015Observed: 3.09 ft at 3:15AM Jul 31, 2015Observed: 3.08 ft at 3:30AM Jul 31, 2015Observed: 3.08 ft at 3:45AM Jul 31, 2015Observed: 3.07 ft at 4:00AM Jul 31, 2015Observed: 3.07 ft at 4:15AM Jul 31, 2015Observed: 3.06 ft at 4:30AM Jul 31, 2015Observed: 3.06 ft at 4:45AM Jul 31, 2015Observed: 3.05 ft at 5:00AM Jul 31, 2015Observed: 3.05 ft at 5:15AM Jul 31, 2015Observed: 3.04 ft at 5:30AM Jul 31, 2015Observed: 3.04 ft at 5:45AM Jul 31, 2015Observed: 3.03 ft at 6:00AM Jul 31, 2015Observed: 3.03 ft at 6:15AM Jul 31, 2015Observed: 3.02 ft at 6:30AM Jul 31, 2015Observed: 3.02 ft at 6:45AM Jul 31, 2015Observed: 3.02 ft at 7:00AM Jul 31, 2015Observed: 3.01 ft at 7:15AM Jul 31, 2015Observed: 3.01 ft at 7:30AM Jul 31, 2015Observed: 3.01 ft at 7:45AM Jul 31, 2015Observed: 3 ft at 8:00AM Jul 31, 2015Observed: 3 ft at 8:15AM Jul 31, 2015Observed: 3 ft at 8:30AM Jul 31, 2015Observed: 2.99 ft at 8:45AM Jul 31, 2015Observed: 2.99 ft at 9:00AM Jul 31, 2015Observed: 2.98 ft at 9:15AM Jul 31, 2015Observed: 2.98 ft at 9:30AM Jul 31, 2015Observed: 2.98 ft at 9:45AM Jul 31, 2015Observed: 2.97 ft at 10:00AM Jul 31, 2015Observed: 2.97 ft at 10:15AM Jul 31, 2015Observed: 2.96 ft at 10:30AM Jul 31, 2015Observed: 2.96 ft at 10:45AM Jul 31, 2015Observed: 2.95 ft at 11:00AM Jul 31, 2015Observed: 2.95 ft at 11:15AM Jul 31, 2015Observed: 2.95 ft at 11:30AM Jul 31, 2015Observed: 2.94 ft at 11:45AM Jul 31, 2015Observed: 2.94 ft at 12:00PM Jul 31, 2015Observed: 2.93 ft at 12:15PM Jul 31, 2015Observed: 2.93 ft at 12:30PM Jul 31, 2015Observed: 2.92 ft at 12:45PM Jul 31, 2015Observed: 2.92 ft at 1:00PM Jul 31, 2015Observed: 2.91 ft at 1:15PM Jul 31, 2015Observed: 2.91 ft at 1:30PM Jul 31, 2015Observed: 2.9 ft at 1:45PM Jul 31, 2015Observed: 2.9 ft at 2:00PM Jul 31, 2015Observed: 2.89 ft at 2:15PM Jul 31, 2015Observed: 2.89 ft at 2:16PM Jul 31, 2015Observed: 2.89 ft at 2:30PM Jul 31, 2015Observed: 2.89 ft at 2:31PM Jul 31, 2015Observed: 2.89 ft at 2:45PM Jul 31, 2015Observed: 2.89 ft at 2:46PM Jul 31, 2015Observed: 2.88 ft at 3:00PM Jul 31, 2015Observed: 2.88 ft at 3:15PM Jul 31, 2015Observed: 2.88 ft at 3:30PM Jul 31, 2015Observed: 2.87 ft at 3:45PM Jul 31, 2015Observed: 2.86 ft at 4:00PM Jul 31, 2015Observed: 2.86 ft at 4:15PM Jul 31, 2015Observed: 2.85 ft at 4:30PM Jul 31, 2015Observed: 2.85 ft at 4:45PM Jul 31, 2015Observed: 2.86 ft at 5:00PM Jul 31, 2015Observed: 2.88 ft at 5:15PM Jul 31, 2015Observed: 2.91 ft at 5:30PM Jul 31, 2015Observed: 2.93 ft at 5:45PM Jul 31, 2015Observed: 2.95 ft at 6:00PM Jul 31, 2015Observed: 2.96 ft at 6:15PM Jul 31, 2015Observed: 2.97 ft at 6:30PM Jul 31, 2015Observed: 2.97 ft at 6:45PM Jul 31, 2015Observed: 2.96 ft at 7:00PM Jul 31, 2015Observed: 2.94 ft at 7:15PM Jul 31, 2015Observed: 2.91 ft at 7:30PM Jul 31, 2015Observed: 2.88 ft at 7:45PM Jul 31, 2015Observed: 2.83 ft at 8:00PM Jul 31, 2015Observed: 2.77 ft at 8:15PM Jul 31, 2015Observed: 2.7 ft at 8:30PM Jul 31, 2015Observed: 2.62 ft at 8:45PM Jul 31, 2015Observed: 2.52 ft at 9:00PM Jul 31, 2015Observed: 2.43 ft at 9:15PM Jul 31, 2015Observed: 2.33 ft at 9:30PM Jul 31, 2015Observed: 2.23 ft at 9:45PM Jul 31, 2015Observed: 2.15 ft at 10:00PM Jul 31, 2015Observed: 2.07 ft at 10:15PM Jul 31, 2015Observed: 2.02 ft at 10:30PM Jul 31, 2015Observed: 1.99 ft at 10:45PM Jul 31, 2015Observed: 2 ft at 11:00PM Jul 31, 2015Observed: 2.02 ft at 11:15PM Jul 31, 2015Observed: 2.06 ft at 11:30PM Jul 31, 2015Observed: 2.1 ft at 11:45PM Jul 31, 2015Observed: 2.15 ft at 12:00AM Aug 01, 2015Observed: 2.2 ft at 12:15AM Aug 01, 2015Observed: 2.25 ft at 12:30AM Aug 01, 2015Observed: 2.29 ft at 12:45AM Aug 01, 2015Observed: 2.33 ft at 1:00AM Aug 01, 2015Observed: 2.36 ft at 1:15AM Aug 01, 2015Observed: 2.38 ft at 1:30AM Aug 01, 2015Observed: 2.41 ft at 1:45AM Aug 01, 2015Observed: 2.43 ft at 2:00AM Aug 01, 2015Observed: 2.44 ft at 2:15AM Aug 01, 2015Observed: 2.46 ft at 2:30AM Aug 01, 2015Observed: 2.46 ft at 2:31AM Aug 01, 2015Observed: 2.47 ft at 2:45AM Aug 01, 2015Observed: 2.47 ft at 2:46AM Aug 01, 2015Observed: 2.48 ft at 3:00AM Aug 01, 2015Observed: 2.48 ft at 3:01AM Aug 01, 2015Observed: 2.49 ft at 3:15AM Aug 01, 2015Observed: 2.49 ft at 3:30AM Aug 01, 2015Observed: 2.5 ft at 3:45AM Aug 01, 2015Observed: 2.5 ft at 4:00AM Aug 01, 2015Observed: 2.51 ft at 4:15AM Aug 01, 2015Observed: 2.51 ft at 4:30AM Aug 01, 2015Observed: 2.51 ft at 4:45AM Aug 01, 2015Observed: 2.51 ft at 5:00AM Aug 01, 2015Observed: 2.52 ft at 5:15AM Aug 01, 2015Observed: 2.52 ft at 5:30AM Aug 01, 2015Observed: 2.52 ft at 5:45AM Aug 01, 2015Observed: 2.52 ft at 6:00AM Aug 01, 2015Observed: 2.52 ft at 6:15AM Aug 01, 2015Observed: 2.52 ft at 6:30AM Aug 01, 2015Observed: 2.52 ft at 6:45AM Aug 01, 2015Observed: 2.52 ft at 7:00AM Aug 01, 2015Observed: 2.52 ft at 7:15AM Aug 01, 2015Observed: 2.52 ft at 7:30AM Aug 01, 2015Observed: 2.52 ft at 7:45AM Aug 01, 2015Observed: 2.52 ft at 8:00AM Aug 01, 2015Observed: 2.52 ft at 8:15AM Aug 01, 2015Observed: 2.52 ft at 8:30AM Aug 01, 2015Observed: 2.52 ft at 8:45AM Aug 01, 2015Observed: 2.52 ft at 9:00AM Aug 01, 2015Observed: 2.52 ft at 9:15AM Aug 01, 2015Observed: 2.52 ft at 9:30AM Aug 01, 2015Observed: 2.52 ft at 9:45AM Aug 01, 2015Observed: 2.52 ft at 10:00AM Aug 01, 2015Observed: 2.52 ft at 10:15AM Aug 01, 2015Observed: 2.53 ft at 10:30AM Aug 01, 2015Observed: 2.52 ft at 10:45AM Aug 01, 2015Observed: 2.52 ft at 11:00AM Aug 01, 2015Observed: 2.53 ft at 11:15AM Aug 01, 2015Colorado Division of Water ResourcesALAC2(plotting HGIRG) Graph Created (12:02PM Aug 1, 2015)ObservedLatest observed value: 2.53 ft at 11:15 AM MDT 1-Aug-2015. Flood Stage is 9 ft
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About this graph
Tabular Data (UTC)
Tabular Data (MDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts for the Rio Grande at Alamosa are issued as needed during times of high water, but are not routinely available.
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Upstream Gauge - near Del Norte Upstream Gauge Downstream Gauge Downstream Gauge - near Cerro
Flood Categories (in feet)
Major Flood Stage: 13
Moderate Flood Stage: 11
Flood Stage: 9
Action Stage: 7
Low Stage (in feet): 0

Historic Crests
(1) 10.62 ft on 06/20/1949
(2) 9.97 ft on 05/23/1948
(3) 9.87 ft on 06/05/1948
(4) 9.32 ft on 05/18/1944
(5) 8.84 ft on 07/03/1995
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 5.54 ft on 09/29/2013
(2) 5.17 ft on 03/28/2012
(3) 5.13 ft on 05/09/2009
(4) 6.45 ft on 06/05/2008
(5) 7.19 ft on 05/25/2005
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:14
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
15 Major flooding occurs. Flood waters move across Stadium Drive and into homes near Adams State College
14.5 Major flooding occurs. Flood waters move into homes along Lakewood and Riverwood Drives in northeast Alamosa
14 Major flooding occurs. Flood waters inundate apartments along River Drive in northeast Alamosa
13.5 Major flooding occurs. Water reaches base of Highway 160 Bridge and spills into homes and park near the bridge
13 Major flooding occurs. Water reaches base of State Avenue Bridge.
11.5 Moderate flooding occurs. Water overtops low spots in levee protecting Alamosa and begins to flow into Cattails Golf Course and nearby homes
11 Moderate agricultural flooding occurs. Water begins to overtop low spots in levee protecting Alamosa.
9 Minor agricultural flooding occurs in low lying areas along the river
7 The river is bankfull
About This Location Collapse

Latitude: 37.480833° N, Longitude: 105.878056° W, Horizontal Datum: NAD27

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 9 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 7532.66 ft 7541.66 ft 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:

Additional Information Collapse
River stage observations provided by the Colorado Division of Water Resources
Resources Collapse
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
Pueblo Weather Forecast Office
3 Eaton Way
Pueblo, CO 81001
(719) 948-9429
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Page last modified: 12-Feb-2015 9:34 PM
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