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Hydrograph River at a Glance Download
Rio Grande at Alamosa Stage (ft)Flow (cfs)Highest Observation: 4.74 ft at 7:45PM Dec 11, 2017Highest Observation: 4.74 ft at 8:00PM Dec 11, 2017Highest Observation: 4.74 ft at 8:15PM Dec 11, 2017Highest Observation: 4.74 ft at 8:30PM Dec 11, 2017Highest Observation: 4.74 ft at 8:45PM Dec 11, 2017Observed: 4.73 ft at 9:00PM Dec 11, 2017Observed: 4.72 ft at 9:15PM Dec 11, 2017Observed: 4.72 ft at 9:30PM Dec 11, 2017Observed: 4.71 ft at 9:45PM Dec 11, 2017Observed: 4.7 ft at 10:00PM Dec 11, 2017Observed: 4.7 ft at 10:15PM Dec 11, 2017Observed: 4.69 ft at 10:30PM Dec 11, 2017Observed: 4.68 ft at 10:45PM Dec 11, 2017Observed: 4.68 ft at 11:00PM Dec 11, 2017Observed: 4.67 ft at 11:15PM Dec 11, 2017Observed: 4.67 ft at 11:30PM Dec 11, 2017Observed: 4.66 ft at 11:45PM Dec 11, 2017Observed: 4.65 ft at 12:00AM Dec 12, 2017Observed: 4.64 ft at 12:15AM Dec 12, 2017Observed: 4.63 ft at 12:30AM Dec 12, 2017Observed: 4.63 ft at 12:45AM Dec 12, 2017Observed: 4.61 ft at 1:00AM Dec 12, 2017Observed: 4.6 ft at 1:15AM Dec 12, 2017Observed: 4.59 ft at 1:30AM Dec 12, 2017Observed: 4.58 ft at 1:45AM Dec 12, 2017Observed: 4.57 ft at 2:00AM Dec 12, 2017Observed: 4.56 ft at 2:15AM Dec 12, 2017Observed: 4.55 ft at 2:30AM Dec 12, 2017Observed: 4.54 ft at 2:45AM Dec 12, 2017Observed: 4.52 ft at 3:00AM Dec 12, 2017Observed: 4.51 ft at 3:15AM Dec 12, 2017Observed: 4.5 ft at 3:30AM Dec 12, 2017Observed: 4.49 ft at 3:45AM Dec 12, 2017Observed: 4.48 ft at 4:00AM Dec 12, 2017Observed: 4.47 ft at 4:15AM Dec 12, 2017Observed: 4.46 ft at 4:30AM Dec 12, 2017Observed: 4.45 ft at 4:45AM Dec 12, 2017Observed: 4.44 ft at 5:00AM Dec 12, 2017Observed: 4.43 ft at 5:15AM Dec 12, 2017Observed: 4.41 ft at 5:30AM Dec 12, 2017Observed: 4.41 ft at 5:31AM Dec 12, 2017Observed: 4.38 ft at 5:45AM Dec 12, 2017Observed: 4.38 ft at 5:46AM Dec 12, 2017Observed: 4.36 ft at 6:00AM Dec 12, 2017Observed: 4.36 ft at 6:01AM Dec 12, 2017Observed: 4.34 ft at 6:15AM Dec 12, 2017Observed: 4.32 ft at 6:30AM Dec 12, 2017Observed: 4.3 ft at 6:45AM Dec 12, 2017Observed: 4.28 ft at 7:00AM Dec 12, 2017Observed: 4.27 ft at 7:15AM Dec 12, 2017Observed: 4.26 ft at 7:30AM Dec 12, 2017Observed: 4.25 ft at 7:45AM Dec 12, 2017Observed: 4.24 ft at 8:00AM Dec 12, 2017Observed: 4.22 ft at 8:15AM Dec 12, 2017Observed: 4.21 ft at 8:30AM Dec 12, 2017Observed: 4.2 ft at 8:45AM Dec 12, 2017Observed: 4.2 ft at 9:00AM Dec 12, 2017Observed: 4.19 ft at 9:15AM Dec 12, 2017Observed: 4.19 ft at 9:30AM Dec 12, 2017Observed: 4.18 ft at 9:45AM Dec 12, 2017Observed: 4.17 ft at 10:00AM Dec 12, 2017Observed: 4.17 ft at 10:15AM Dec 12, 2017Observed: 4.16 ft at 10:30AM Dec 12, 2017Observed: 4.16 ft at 10:45AM Dec 12, 2017Observed: 4.16 ft at 11:00AM Dec 12, 2017Observed: 4.17 ft at 11:15AM Dec 12, 2017Observed: 4.17 ft at 11:30AM Dec 12, 2017Observed: 4.18 ft at 11:45AM Dec 12, 2017Observed: 4.18 ft at 12:00PM Dec 12, 2017Observed: 4.19 ft at 12:15PM Dec 12, 2017Observed: 4.22 ft at 12:30PM Dec 12, 2017Observed: 4.26 ft at 12:45PM Dec 12, 2017Observed: 4.31 ft at 1:00PM Dec 12, 2017Observed: 4.37 ft at 1:15PM Dec 12, 2017Observed: 4.41 ft at 1:30PM Dec 12, 2017Observed: 4.43 ft at 1:45PM Dec 12, 2017Observed: 4.45 ft at 2:00PM Dec 12, 2017Observed: 4.45 ft at 2:15PM Dec 12, 2017Observed: 4.44 ft at 2:30PM Dec 12, 2017Observed: 4.44 ft at 2:45PM Dec 12, 2017Observed: 4.43 ft at 3:00PM Dec 12, 2017Observed: 4.41 ft at 3:15PM Dec 12, 2017Observed: 4.4 ft at 3:30PM Dec 12, 2017Observed: 4.38 ft at 3:45PM Dec 12, 2017Observed: 4.36 ft at 4:00PM Dec 12, 2017Observed: 4.34 ft at 4:15PM Dec 12, 2017Observed: 4.33 ft at 4:30PM Dec 12, 2017Observed: 4.31 ft at 4:45PM Dec 12, 2017Observed: 4.3 ft at 5:00PM Dec 12, 2017Observed: 4.3 ft at 5:15PM Dec 12, 2017Observed: 4.29 ft at 5:30PM Dec 12, 2017Observed: 4.29 ft at 5:31PM Dec 12, 2017Observed: 4.29 ft at 5:45PM Dec 12, 2017Observed: 4.29 ft at 5:46PM Dec 12, 2017Observed: 4.29 ft at 6:00PM Dec 12, 2017Observed: 4.29 ft at 6:01PM Dec 12, 2017Observed: 4.29 ft at 6:15PM Dec 12, 2017Observed: 4.29 ft at 6:30PM Dec 12, 2017Observed: 4.3 ft at 6:45PM Dec 12, 2017Observed: 4.3 ft at 7:00PM Dec 12, 2017Observed: 4.3 ft at 7:15PM Dec 12, 2017Observed: 4.3 ft at 7:30PM Dec 12, 2017Observed: 4.31 ft at 7:45PM Dec 12, 2017Observed: 4.31 ft at 8:00PM Dec 12, 2017Observed: 4.31 ft at 8:15PM Dec 12, 2017Observed: 4.32 ft at 8:30PM Dec 12, 2017Observed: 4.32 ft at 8:45PM Dec 12, 2017Observed: 4.32 ft at 9:00PM Dec 12, 2017Observed: 4.32 ft at 9:15PM Dec 12, 2017Observed: 4.32 ft at 9:30PM Dec 12, 2017Observed: 4.32 ft at 9:45PM Dec 12, 2017Observed: 4.32 ft at 10:00PM Dec 12, 2017Observed: 4.32 ft at 10:15PM Dec 12, 2017Observed: 4.32 ft at 10:30PM Dec 12, 2017Observed: 4.32 ft at 10:45PM Dec 12, 2017Observed: 4.32 ft at 11:00PM Dec 12, 2017Observed: 4.32 ft at 11:15PM Dec 12, 2017Observed: 4.32 ft at 11:30PM Dec 12, 2017Observed: 4.31 ft at 11:45PM Dec 12, 2017Observed: 4.31 ft at 12:00AM Dec 13, 2017Observed: 4.3 ft at 12:15AM Dec 13, 2017Observed: 4.3 ft at 12:30AM Dec 13, 2017Observed: 4.3 ft at 12:45AM Dec 13, 2017Observed: 4.29 ft at 1:00AM Dec 13, 2017Observed: 4.28 ft at 1:15AM Dec 13, 2017Observed: 4.28 ft at 1:30AM Dec 13, 2017Observed: 4.28 ft at 1:45AM Dec 13, 2017Observed: 4.27 ft at 2:00AM Dec 13, 2017Observed: 4.27 ft at 2:15AM Dec 13, 2017Observed: 4.26 ft at 2:30AM Dec 13, 2017Observed: 4.25 ft at 2:45AM Dec 13, 2017Observed: 4.25 ft at 3:00AM Dec 13, 2017Observed: 4.23 ft at 3:15AM Dec 13, 2017Observed: 4.23 ft at 3:30AM Dec 13, 2017Observed: 4.22 ft at 3:45AM Dec 13, 2017Observed: 4.21 ft at 4:00AM Dec 13, 2017Observed: 4.19 ft at 4:15AM Dec 13, 2017Observed: 4.18 ft at 4:30AM Dec 13, 2017Observed: 4.16 ft at 4:45AM Dec 13, 2017Observed: 4.14 ft at 5:00AM Dec 13, 2017Observed: 4.12 ft at 5:15AM Dec 13, 2017Observed: 4.11 ft at 5:30AM Dec 13, 2017Observed: 4.11 ft at 5:31AM Dec 13, 2017Observed: 4.09 ft at 5:45AM Dec 13, 2017Observed: 4.09 ft at 5:46AM Dec 13, 2017Observed: 4.07 ft at 6:00AM Dec 13, 2017Observed: 4.07 ft at 6:01AM Dec 13, 2017Observed: 4.05 ft at 6:15AM Dec 13, 2017Observed: 4.04 ft at 6:30AM Dec 13, 2017Observed: 4.02 ft at 6:45AM Dec 13, 2017Observed: 4 ft at 7:00AM Dec 13, 2017Observed: 3.98 ft at 7:15AM Dec 13, 2017Observed: 3.97 ft at 7:30AM Dec 13, 2017Observed: 3.96 ft at 7:45AM Dec 13, 2017Observed: 3.94 ft at 8:00AM Dec 13, 2017Observed: 3.93 ft at 8:15AM Dec 13, 2017Observed: 3.92 ft at 8:30AM Dec 13, 2017Observed: 3.91 ft at 8:45AM Dec 13, 2017Observed: 3.9 ft at 9:00AM Dec 13, 2017Observed: 3.9 ft at 9:15AM Dec 13, 2017Observed: 3.9 ft at 9:30AM Dec 13, 2017Observed: 3.89 ft at 9:45AM Dec 13, 2017Observed: 3.89 ft at 10:00AM Dec 13, 2017Observed: 3.89 ft at 10:15AM Dec 13, 2017Observed: 3.89 ft at 10:30AM Dec 13, 2017Observed: 3.88 ft at 10:45AM Dec 13, 2017Observed: 3.88 ft at 11:00AM Dec 13, 2017Observed: 3.87 ft at 11:15AM Dec 13, 2017Observed: 3.86 ft at 11:30AM Dec 13, 2017Observed: 3.85 ft at 11:45AM Dec 13, 2017Observed: 3.83 ft at 12:00PM Dec 13, 2017Observed: 3.82 ft at 12:15PM Dec 13, 2017Observed: 3.8 ft at 12:30PM Dec 13, 2017Observed: 3.78 ft at 12:45PM Dec 13, 2017Observed: 3.76 ft at 1:00PM Dec 13, 2017Observed: 3.75 ft at 1:15PM Dec 13, 2017Observed: 3.75 ft at 1:30PM Dec 13, 2017Observed: 3.74 ft at 1:45PM Dec 13, 2017Observed: 3.74 ft at 2:00PM Dec 13, 2017Observed: 3.74 ft at 2:15PM Dec 13, 2017Observed: 3.75 ft at 2:30PM Dec 13, 2017Observed: 3.76 ft at 2:45PM Dec 13, 2017Observed: 3.77 ft at 3:00PM Dec 13, 2017Observed: 3.78 ft at 3:15PM Dec 13, 2017Observed: 3.79 ft at 3:30PM Dec 13, 2017Observed: 3.79 ft at 3:45PM Dec 13, 2017Observed: 3.81 ft at 4:00PM Dec 13, 2017Observed: 3.82 ft at 4:15PM Dec 13, 2017Observed: 3.83 ft at 4:30PM Dec 13, 2017Observed: 3.84 ft at 4:45PM Dec 13, 2017Observed: 3.85 ft at 5:00PM Dec 13, 2017Observed: 3.86 ft at 5:15PM Dec 13, 2017Observed: 3.86 ft at 5:30PM Dec 13, 2017Observed: 3.86 ft at 5:31PM Dec 13, 2017Observed: 3.88 ft at 5:45PM Dec 13, 2017Observed: 3.88 ft at 5:46PM Dec 13, 2017Observed: 3.88 ft at 6:00PM Dec 13, 2017Observed: 3.88 ft at 6:01PM Dec 13, 2017Observed: 3.88 ft at 6:15PM Dec 13, 2017Observed: 3.89 ft at 6:30PM Dec 13, 2017Observed: 3.88 ft at 6:45PM Dec 13, 2017Observed: 3.89 ft at 7:00PM Dec 13, 2017Observed: 3.9 ft at 7:15PM Dec 13, 2017Observed: 3.91 ft at 7:30PM Dec 13, 2017Observed: 3.92 ft at 7:45PM Dec 13, 2017Observed: 3.93 ft at 8:00PM Dec 13, 2017Observed: 3.93 ft at 8:15PM Dec 13, 2017Observed: 3.94 ft at 8:30PM Dec 13, 2017Observed: 3.95 ft at 8:45PM Dec 13, 2017Observed: 3.95 ft at 9:00PM Dec 13, 2017Observed: 3.96 ft at 9:15PM Dec 13, 2017Observed: 3.96 ft at 9:30PM Dec 13, 2017Observed: 3.97 ft at 9:45PM Dec 13, 2017Observed: 3.97 ft at 10:00PM Dec 13, 2017Observed: 3.97 ft at 10:15PM Dec 13, 2017Observed: 3.97 ft at 10:30PM Dec 13, 2017Observed: 3.97 ft at 10:45PM Dec 13, 2017Observed: 3.97 ft at 11:00PM Dec 13, 2017Observed: 3.97 ft at 11:15PM Dec 13, 2017Observed: 3.97 ft at 11:30PM Dec 13, 2017Observed: 3.96 ft at 11:45PM Dec 13, 2017Observed: 3.96 ft at 12:00AM Dec 14, 2017Observed: 3.95 ft at 12:15AM Dec 14, 2017Observed: 3.95 ft at 12:30AM Dec 14, 2017Observed: 3.94 ft at 12:45AM Dec 14, 2017Observed: 3.94 ft at 1:00AM Dec 14, 2017Observed: 3.93 ft at 1:15AM Dec 14, 2017Observed: 3.93 ft at 1:30AM Dec 14, 2017Observed: 3.92 ft at 1:45AM Dec 14, 2017Observed: 3.92 ft at 2:00AM Dec 14, 2017Observed: 3.92 ft at 2:15AM Dec 14, 2017Observed: 3.91 ft at 2:30AM Dec 14, 2017Observed: 3.91 ft at 2:45AM Dec 14, 2017Observed: 3.91 ft at 3:00AM Dec 14, 2017Observed: 3.9 ft at 3:15AM Dec 14, 2017Observed: 3.9 ft at 3:30AM Dec 14, 2017Observed: 3.9 ft at 3:45AM Dec 14, 2017Observed: 3.9 ft at 4:00AM Dec 14, 2017Observed: 3.9 ft at 4:15AM Dec 14, 2017Observed: 3.91 ft at 4:30AM Dec 14, 2017Observed: 3.91 ft at 4:45AM Dec 14, 2017Observed: 3.91 ft at 5:00AM Dec 14, 2017Observed: 3.91 ft at 5:15AM Dec 14, 2017Observed: 3.9 ft at 5:30AM Dec 14, 2017Observed: 3.9 ft at 5:31AM Dec 14, 2017Observed: 3.9 ft at 5:45AM Dec 14, 2017Observed: 3.9 ft at 5:46AM Dec 14, 2017Observed: 3.9 ft at 6:00AM Dec 14, 2017Observed: 3.9 ft at 6:01AM Dec 14, 2017Observed: 3.9 ft at 6:15AM Dec 14, 2017Observed: 3.89 ft at 6:30AM Dec 14, 2017Observed: 3.89 ft at 6:45AM Dec 14, 2017Observed: 3.89 ft at 7:00AM Dec 14, 2017Observed: 3.89 ft at 7:15AM Dec 14, 2017Observed: 3.89 ft at 7:30AM Dec 14, 2017Observed: 3.89 ft at 7:45AM Dec 14, 2017Observed: 3.88 ft at 8:00AM Dec 14, 2017Observed: 3.88 ft at 8:15AM Dec 14, 2017Observed: 3.88 ft at 8:30AM Dec 14, 2017Observed: 3.88 ft at 8:45AM Dec 14, 2017Observed: 3.88 ft at 9:00AM Dec 14, 2017Observed: 3.88 ft at 9:15AM Dec 14, 2017Observed: 3.88 ft at 9:30AM Dec 14, 2017Observed: 3.88 ft at 9:45AM Dec 14, 2017Observed: 3.88 ft at 10:00AM Dec 14, 2017Observed: 3.88 ft at 10:15AM Dec 14, 2017Observed: 3.87 ft at 10:30AM Dec 14, 2017Observed: 3.87 ft at 10:45AM Dec 14, 2017Observed: 3.87 ft at 11:00AM Dec 14, 2017Observed: 3.86 ft at 11:15AM Dec 14, 2017Observed: 3.86 ft at 11:30AM Dec 14, 2017Observed: 3.85 ft at 11:45AM Dec 14, 2017Observed: 3.84 ft at 12:00PM Dec 14, 2017Observed: 3.83 ft at 12:15PM Dec 14, 2017Observed: 3.82 ft at 12:30PM Dec 14, 2017Observed: 3.79 ft at 12:45PM Dec 14, 2017Observed: 3.8 ft at 1:00PM Dec 14, 2017Observed: 3.8 ft at 1:15PM Dec 14, 2017Observed: 3.8 ft at 1:30PM Dec 14, 2017Observed: 3.8 ft at 1:45PM Dec 14, 2017Observed: 3.8 ft at 2:00PM Dec 14, 2017Observed: 3.8 ft at 2:15PM Dec 14, 2017Observed: 3.86 ft at 2:30PM Dec 14, 2017Observed: 3.87 ft at 2:45PM Dec 14, 2017Observed: 3.88 ft at 3:00PM Dec 14, 2017Observed: 3.88 ft at 3:15PM Dec 14, 2017Observed: 3.89 ft at 3:30PM Dec 14, 2017Observed: 3.9 ft at 3:45PM Dec 14, 2017Observed: 3.91 ft at 4:00PM Dec 14, 2017Observed: 3.91 ft at 4:15PM Dec 14, 2017Observed: 3.92 ft at 4:30PM Dec 14, 2017Observed: 3.93 ft at 4:45PM Dec 14, 2017Observed: 3.93 ft at 5:00PM Dec 14, 2017Observed: 3.93 ft at 5:15PM Dec 14, 2017Observed: 3.94 ft at 5:30PM Dec 14, 2017Observed: 3.94 ft at 5:31PM Dec 14, 2017Observed: 3.94 ft at 5:45PM Dec 14, 2017Observed: 3.94 ft at 5:46PM Dec 14, 2017Observed: 3.95 ft at 6:00PM Dec 14, 2017Observed: 3.95 ft at 6:01PM Dec 14, 2017Observed: 3.95 ft at 6:15PM Dec 14, 2017Observed: 3.95 ft at 6:30PM Dec 14, 2017Colorado Division of Water ResourcesALAC2(plotting HGIRG) Graph Created (7:33PM Dec 14, 2017)ObservedLatest observed value: 3.95 ft at 6:30 PM MST 14-Dec-2017. Flood Stage is 9 ft
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About this graph
Tabular Data (UTC)
Tabular Data (MST)
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: 21-Dec-2016 5:19 PM
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