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Hydrograph River at a Glance Download
Left Hand Creek (CO) below Jamestown Stage (ft)Flow (cfs)Observed: 0.51 ft at 6:16PM Apr 12, 2024Observed: 0.52 ft at 7:16PM Apr 12, 2024Observed: 0.53 ft at 8:16PM Apr 12, 2024Observed: 0.55 ft at 9:16PM Apr 12, 2024Observed: 0.56 ft at 10:16PM Apr 12, 2024Observed: 0.59 ft at 11:16PM Apr 12, 2024Observed: 0.6 ft at 12:16AM Apr 13, 2024Observed: 0.61 ft at 1:16AM Apr 13, 2024Observed: 0.63 ft at 2:16AM Apr 13, 2024Observed: 0.63 ft at 3:16AM Apr 13, 2024Observed: 0.63 ft at 4:16AM Apr 13, 2024Observed: 0.62 ft at 5:16AM Apr 13, 2024Observed: 0.6 ft at 7:16AM Apr 13, 2024Observed: 0.6 ft at 8:16AM Apr 13, 2024Observed: 0.59 ft at 9:16AM Apr 13, 2024Observed: 0.59 ft at 10:16AM Apr 13, 2024Observed: 0.59 ft at 11:16AM Apr 13, 2024Observed: 0.58 ft at 12:16PM Apr 13, 2024Observed: 0.58 ft at 1:16PM Apr 13, 2024Observed: 0.58 ft at 2:16PM Apr 13, 2024Observed: 0.57 ft at 3:16PM Apr 13, 2024Observed: 0.57 ft at 4:16PM Apr 13, 2024Observed: 0.58 ft at 5:16PM Apr 13, 2024Observed: 0.59 ft at 6:16PM Apr 13, 2024Observed: 0.61 ft at 7:16PM Apr 13, 2024Observed: 0.63 ft at 8:16PM Apr 13, 2024Observed: 0.66 ft at 9:16PM Apr 13, 2024Observed: 0.69 ft at 10:16PM Apr 13, 2024Observed: 0.69 ft at 11:16PM Apr 13, 2024Observed: 0.68 ft at 12:16AM Apr 14, 2024Observed: 0.7 ft at 1:16AM Apr 14, 2024Observed: 0.7 ft at 2:16AM Apr 14, 2024Observed: 0.72 ft at 3:16AM Apr 14, 2024Observed: 0.72 ft at 4:16AM Apr 14, 2024Observed: 0.71 ft at 5:16AM Apr 14, 2024Observed: 0.7 ft at 6:16AM Apr 14, 2024Observed: 0.69 ft at 7:16AM Apr 14, 2024Observed: 0.69 ft at 8:16AM Apr 14, 2024Observed: 0.68 ft at 9:16AM Apr 14, 2024Observed: 0.68 ft at 10:16AM Apr 14, 2024Observed: 0.68 ft at 11:16AM Apr 14, 2024Observed: 0.68 ft at 12:16PM Apr 14, 2024Observed: 0.67 ft at 1:16PM Apr 14, 2024Observed: 0.65 ft at 2:16PM Apr 14, 2024Observed: 0.64 ft at 3:16PM Apr 14, 2024Observed: 0.64 ft at 4:16PM Apr 14, 2024Observed: 0.65 ft at 5:16PM Apr 14, 2024Observed: 0.66 ft at 6:16PM Apr 14, 2024Observed: 0.68 ft at 7:16PM Apr 14, 2024Observed: 0.7 ft at 8:16PM Apr 14, 2024Observed: 0.72 ft at 9:16PM Apr 14, 2024Observed: 0.74 ft at 10:16PM Apr 14, 2024Observed: 0.75 ft at 11:16PM Apr 14, 2024Observed: 0.75 ft at 12:16AM Apr 15, 2024Observed: 0.76 ft at 1:16AM Apr 15, 2024Observed: 0.77 ft at 2:16AM Apr 15, 2024Observed: 0.78 ft at 3:16AM Apr 15, 2024Observed: 0.76 ft at 4:16AM Apr 15, 2024Observed: 0.76 ft at 5:16AM Apr 15, 2024Observed: 0.75 ft at 6:16AM Apr 15, 2024Observed: 0.75 ft at 7:16AM Apr 15, 2024Observed: 0.74 ft at 8:16AM Apr 15, 2024Observed: 0.74 ft at 9:16AM Apr 15, 2024Observed: 0.74 ft at 10:16AM Apr 15, 2024Observed: 0.74 ft at 11:16AM Apr 15, 2024Observed: 0.74 ft at 12:16PM Apr 15, 2024Observed: 0.74 ft at 1:16PM Apr 15, 2024Observed: 0.73 ft at 2:16PM Apr 15, 2024Observed: 0.73 ft at 3:16PM Apr 15, 2024Observed: 0.71 ft at 4:16PM Apr 15, 2024Observed: 0.71 ft at 5:16PM Apr 15, 2024Observed: 0.73 ft at 6:16PM Apr 15, 2024Observed: 0.75 ft at 7:16PM Apr 15, 2024Observed: 0.77 ft at 9:16PM Apr 15, 2024Observed: 0.77 ft at 10:16PM Apr 15, 2024Observed: 0.77 ft at 11:16PM Apr 15, 2024Observed: 0.78 ft at 12:16AM Apr 16, 2024Observed: 0.76 ft at 1:16AM Apr 16, 2024Observed: 0.77 ft at 2:16AM Apr 16, 2024Observed: 0.77 ft at 3:16AM Apr 16, 2024Observed: 0.76 ft at 4:16AM Apr 16, 2024Observed: 0.77 ft at 5:16AM Apr 16, 2024Observed: 0.76 ft at 6:16AM Apr 16, 2024Observed: 0.76 ft at 7:16AM Apr 16, 2024Observed: 0.76 ft at 8:16AM Apr 16, 2024Observed: 0.75 ft at 9:16AM Apr 16, 2024Observed: 0.74 ft at 10:16AM Apr 16, 2024Observed: 0.74 ft at 11:16AM Apr 16, 2024Observed: 0.75 ft at 12:16PM Apr 16, 2024Observed: 0.75 ft at 1:16PM Apr 16, 2024Observed: 0.75 ft at 2:16PM Apr 16, 2024Observed: 0.75 ft at 3:16PM Apr 16, 2024Observed: 0.73 ft at 4:16PM Apr 16, 2024Observed: 0.72 ft at 5:16PM Apr 16, 2024Observed: 0.72 ft at 6:16PM Apr 16, 2024Observed: 0.73 ft at 7:16PM Apr 16, 2024Observed: 0.74 ft at 8:16PM Apr 16, 2024Observed: 0.76 ft at 9:16PM Apr 16, 2024Observed: 0.77 ft at 10:16PM Apr 16, 2024Highest Observation: 0.79 ft at 11:16PM Apr 16, 2024Observed: 0.78 ft at 12:16AM Apr 17, 2024Observed: 0.77 ft at 1:16AM Apr 17, 2024Observed: 0.77 ft at 2:16AM Apr 17, 2024Observed: 0.78 ft at 3:16AM Apr 17, 2024Observed: 0.76 ft at 4:16AM Apr 17, 2024Observed: 0.76 ft at 5:16AM Apr 17, 2024Observed: 0.77 ft at 6:16AM Apr 17, 2024Observed: 0.75 ft at 7:16AM Apr 17, 2024Observed: 0.76 ft at 8:16AM Apr 17, 2024Observed: 0.76 ft at 9:16AM Apr 17, 2024Observed: 0.76 ft at 10:16AM Apr 17, 2024Observed: 0.75 ft at 11:16AM Apr 17, 2024Observed: 0.75 ft at 1:16PM Apr 17, 2024Observed: 0.75 ft at 2:16PM Apr 17, 2024Observed: 0.74 ft at 3:16PM Apr 17, 2024Observed: 0.74 ft at 4:16PM Apr 17, 2024Observed: 0.73 ft at 5:16PM Apr 17, 2024MHFDLLHC2(plotting HGIRZ) Graph Created (6:01PM Apr 17, 2024)ObservedLatest observed value: 0.73 ft at 5:16 PM MDT 17-Apr-2024. Flood Stage is 4.5 ft
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About this graph
Tabular Data (UTC)
Tabular Data (MDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Stage data may not be available during winter months.

NOTE: Forecasts are not available for the Left Hand Creek (CO) below Jamestown. Only observed stages are available for this point.

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Downstream Gauge Downstream Gauge - below Longmont
Flood Categories (in feet)
Major Flood Stage: 6
Moderate Flood Stage: 5.2
Flood Stage: 4.5
Action Stage: 4
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:12
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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.
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5 WATER OVER LEFT HAND CANYON DRIVE
4 OVERFLOW INTO LOW LYING AREAS
About This Location Collapse

Latitude: 40.108300° N, Longitude: 105.335000° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 4.5 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 6230 6234.5 Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
Additional Information Collapse
Observations provided by the Mile High Flood District in cooperation with Boulder County
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
Denver/Boulder Weather Forecast Office
325 Broadway
Boulder, CO 80305-3328
(303) 494-4221
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