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Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: The National Hydrologic Discussion, Area Hydrologic Discussion, and Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via https://www.weather.gov/owp/operations, as described in the StoryMap here.



Hydrograph River at a Glance Download
South Platte River below Antero Reservoir Stage (ft)Flow (cfs)Observed: 2.08 ft at 2:30AM May 27, 2023Observed: 2.04 ft at 2:45AM May 27, 2023Observed: 2.08 ft at 3:00AM May 27, 2023Observed: 2.03 ft at 3:15AM May 27, 2023Observed: 2.05 ft at 3:30AM May 27, 2023Observed: 2.04 ft at 3:45AM May 27, 2023Observed: 2.03 ft at 4:00AM May 27, 2023Observed: 2.09 ft at 4:15AM May 27, 2023Observed: 2.06 ft at 4:30AM May 27, 2023Observed: 2.08 ft at 4:45AM May 27, 2023Observed: 2.06 ft at 5:00AM May 27, 2023Observed: 2.06 ft at 5:15AM May 27, 2023Observed: 2.07 ft at 5:30AM May 27, 2023Observed: 2.07 ft at 5:45AM May 27, 2023Observed: 2.04 ft at 6:00AM May 27, 2023Observed: 2.06 ft at 6:15AM May 27, 2023Observed: 2.08 ft at 6:30AM May 27, 2023Observed: 2.06 ft at 6:45AM May 27, 2023Observed: 2.05 ft at 7:00AM May 27, 2023Observed: 2.04 ft at 7:15AM May 27, 2023Observed: 2.05 ft at 7:30AM May 27, 2023Observed: 2.04 ft at 7:45AM May 27, 2023Observed: 2.07 ft at 8:00AM May 27, 2023Observed: 2.05 ft at 8:15AM May 27, 2023Observed: 2.03 ft at 8:30AM May 27, 2023Observed: 2.05 ft at 8:45AM May 27, 2023Observed: 2.08 ft at 9:00AM May 27, 2023Observed: 2.08 ft at 9:15AM May 27, 2023Observed: 2.06 ft at 9:30AM May 27, 2023Observed: 2.07 ft at 9:45AM May 27, 2023Observed: 2.05 ft at 10:00AM May 27, 2023Observed: 2.05 ft at 10:02AM May 27, 2023Observed: 2.07 ft at 10:15AM May 27, 2023Observed: 2.07 ft at 10:17AM May 27, 2023Observed: 2.06 ft at 10:30AM May 27, 2023Observed: 2.06 ft at 10:32AM May 27, 2023Observed: 2.07 ft at 10:45AM May 27, 2023Observed: 2.07 ft at 10:47AM May 27, 2023Observed: 2.04 ft at 11:00AM May 27, 2023Observed: 2.07 ft at 11:15AM May 27, 2023Observed: 2.07 ft at 11:30AM May 27, 2023Observed: 2.09 ft at 11:45AM May 27, 2023Observed: 2.06 ft at 12:00PM May 27, 2023Observed: 2.06 ft at 12:15PM May 27, 2023Observed: 2.09 ft at 12:30PM May 27, 2023Observed: 2.06 ft at 12:45PM May 27, 2023Observed: 2.07 ft at 1:00PM May 27, 2023Observed: 2.06 ft at 1:15PM May 27, 2023Observed: 2.05 ft at 1:30PM May 27, 2023Observed: 2.08 ft at 1:45PM May 27, 2023Highest Observation: 2.1 ft at 2:00PM May 27, 2023Observed: 2.04 ft at 2:15PM May 27, 2023Observed: 2.05 ft at 2:30PM May 27, 2023Observed: 2.07 ft at 2:45PM May 27, 2023Observed: 2.05 ft at 3:00PM May 27, 2023Observed: 2.06 ft at 3:15PM May 27, 2023Observed: 2.04 ft at 3:30PM May 27, 2023Observed: 2.05 ft at 3:45PM May 27, 2023Observed: 2.09 ft at 4:00PM May 27, 2023Observed: 2.09 ft at 4:15PM May 27, 2023Observed: 2.08 ft at 4:30PM May 27, 2023Observed: 2.07 ft at 4:45PM May 27, 2023Observed: 2.09 ft at 5:00PM May 27, 2023Observed: 2.05 ft at 5:15PM May 27, 2023Observed: 2.06 ft at 5:30PM May 27, 2023Observed: 2.05 ft at 5:45PM May 27, 2023Observed: 2.05 ft at 6:00PM May 27, 2023Observed: 2.05 ft at 6:15PM May 27, 2023Observed: 2.04 ft at 6:30PM May 27, 2023Observed: 2.04 ft at 6:45PM May 27, 2023Observed: 2.04 ft at 7:00PM May 27, 2023Observed: 2.06 ft at 7:15PM May 27, 2023Observed: 2.07 ft at 7:30PM May 27, 2023Observed: 2.07 ft at 7:45PM May 27, 2023Observed: 2.08 ft at 8:00PM May 27, 2023Observed: 2.06 ft at 8:15PM May 27, 2023Observed: 2.07 ft at 8:30PM May 27, 2023Observed: 2.08 ft at 8:45PM May 27, 2023Observed: 2.05 ft at 9:00PM May 27, 2023Observed: 2.04 ft at 9:15PM May 27, 2023Observed: 2.07 ft at 9:30PM May 27, 2023Observed: 2.04 ft at 9:45PM May 27, 2023Observed: 2.03 ft at 10:00PM May 27, 2023Observed: 2.03 ft at 10:01PM May 27, 2023Observed: 2.07 ft at 10:15PM May 27, 2023Observed: 2.07 ft at 10:16PM May 27, 2023Observed: 2.04 ft at 10:30PM May 27, 2023Observed: 2.04 ft at 10:31PM May 27, 2023Observed: 2.06 ft at 10:45PM May 27, 2023Observed: 2.06 ft at 10:46PM May 27, 2023Observed: 2.07 ft at 11:00PM May 27, 2023Observed: 2.08 ft at 11:15PM May 27, 2023Observed: 2.05 ft at 11:30PM May 27, 2023Observed: 2.05 ft at 11:45PM May 27, 2023Observed: 2.07 ft at 12:00AM May 28, 2023Observed: 2.08 ft at 12:15AM May 28, 2023Observed: 2.09 ft at 12:30AM May 28, 2023Observed: 2.05 ft at 12:45AM May 28, 2023Observed: 2.07 ft at 1:00AM May 28, 2023Observed: 2.06 ft at 1:15AM May 28, 2023Observed: 2.04 ft at 1:30AM May 28, 2023Observed: 2.08 ft at 1:45AM May 28, 2023Observed: 2.07 ft at 2:00AM May 28, 2023Observed: 2.08 ft at 2:15AM May 28, 2023Observed: 2.08 ft at 2:30AM May 28, 2023Observed: 2.04 ft at 2:45AM May 28, 2023Observed: 2.06 ft at 3:00AM May 28, 2023Observed: 2.06 ft at 3:15AM May 28, 2023Observed: 2.05 ft at 3:30AM May 28, 2023Observed: 2.06 ft at 3:45AM May 28, 2023Observed: 2.05 ft at 4:00AM May 28, 2023Observed: 2.05 ft at 4:15AM May 28, 2023Observed: 2.04 ft at 4:30AM May 28, 2023Observed: 2.02 ft at 4:45AM May 28, 2023Observed: 2.08 ft at 5:00AM May 28, 2023Observed: 2.06 ft at 5:15AM May 28, 2023Observed: 2.06 ft at 5:30AM May 28, 2023Observed: 2.05 ft at 5:45AM May 28, 2023Observed: 2.03 ft at 6:00AM May 28, 2023Observed: 2.03 ft at 6:15AM May 28, 2023Observed: 2.06 ft at 6:30AM May 28, 2023Observed: 2.04 ft at 6:45AM May 28, 2023Observed: 2.05 ft at 7:00AM May 28, 2023Observed: 2.06 ft at 7:15AM May 28, 2023Observed: 2.05 ft at 7:30AM May 28, 2023Observed: 2.06 ft at 7:45AM May 28, 2023Observed: 2.06 ft at 8:00AM May 28, 2023Observed: 2.03 ft at 8:15AM May 28, 2023Observed: 2.08 ft at 8:30AM May 28, 2023Observed: 2.08 ft at 8:45AM May 28, 2023Observed: 2.07 ft at 9:00AM May 28, 2023Observed: 2.05 ft at 9:15AM May 28, 2023Observed: 2.06 ft at 9:30AM May 28, 2023Observed: 2.09 ft at 9:45AM May 28, 2023Observed: 2.06 ft at 10:00AM May 28, 2023Observed: 2.06 ft at 10:02AM May 28, 2023Observed: 2.08 ft at 10:15AM May 28, 2023Observed: 2.08 ft at 10:17AM May 28, 2023Observed: 2.08 ft at 10:30AM May 28, 2023Observed: 2.08 ft at 10:32AM May 28, 2023Observed: 2.05 ft at 10:45AM May 28, 2023Observed: 2.05 ft at 10:47AM May 28, 2023Observed: 2.05 ft at 11:00AM May 28, 2023Observed: 2.06 ft at 11:15AM May 28, 2023Observed: 2.03 ft at 11:30AM May 28, 2023Observed: 2.05 ft at 11:45AM May 28, 2023Observed: 2.05 ft at 12:00PM May 28, 2023Observed: 2.08 ft at 12:15PM May 28, 2023Observed: 2.06 ft at 12:30PM May 28, 2023Observed: 2.09 ft at 12:45PM May 28, 2023Observed: 2.08 ft at 1:00PM May 28, 2023Observed: 2.04 ft at 1:15PM May 28, 2023Observed: 2.02 ft at 1:30PM May 28, 2023Observed: 2.06 ft at 1:45PM May 28, 2023Observed: 2.05 ft at 2:00PM May 28, 2023Observed: 2.06 ft at 2:15PM May 28, 2023Observed: 2.05 ft at 2:30PM May 28, 2023Observed: 2.05 ft at 2:45PM May 28, 2023Observed: 2.06 ft at 3:00PM May 28, 2023Observed: 2.04 ft at 3:15PM May 28, 2023Observed: 2.05 ft at 3:30PM May 28, 2023Observed: 2.06 ft at 3:45PM May 28, 2023Observed: 2.04 ft at 4:00PM May 28, 2023Observed: 2.02 ft at 4:15PM May 28, 2023Observed: 2.04 ft at 4:30PM May 28, 2023Observed: 2.06 ft at 4:45PM May 28, 2023Observed: 2.06 ft at 5:00PM May 28, 2023Observed: 2.05 ft at 5:15PM May 28, 2023Observed: 2.07 ft at 5:30PM May 28, 2023Observed: 2.03 ft at 5:45PM May 28, 2023Observed: 2.07 ft at 6:00PM May 28, 2023Observed: 2.07 ft at 6:15PM May 28, 2023Observed: 2.07 ft at 6:30PM May 28, 2023Observed: 2.05 ft at 6:45PM May 28, 2023Observed: 2.05 ft at 7:00PM May 28, 2023Observed: 2.05 ft at 7:15PM May 28, 2023Observed: 2.04 ft at 7:30PM May 28, 2023Observed: 2.07 ft at 7:45PM May 28, 2023Observed: 2.08 ft at 8:00PM May 28, 2023Observed: 2.07 ft at 8:15PM May 28, 2023Observed: 2.07 ft at 8:30PM May 28, 2023Observed: 2.03 ft at 8:45PM May 28, 2023Observed: 2.06 ft at 9:00PM May 28, 2023Observed: 2.03 ft at 9:15PM May 28, 2023Observed: 2.06 ft at 9:30PM May 28, 2023Observed: 2.04 ft at 9:45PM May 28, 2023Observed: 2.07 ft at 10:00PM May 28, 2023Observed: 2.06 ft at 10:15PM May 28, 2023Observed: 2.06 ft at 10:17PM May 28, 2023Observed: 2.07 ft at 10:30PM May 28, 2023Observed: 2.07 ft at 10:32PM May 28, 2023Observed: 2.06 ft at 10:45PM May 28, 2023Observed: 2.06 ft at 10:47PM May 28, 2023Observed: 2.08 ft at 11:00PM May 28, 2023Observed: 2.08 ft at 11:02PM May 28, 2023Observed: 2.06 ft at 11:15PM May 28, 2023Observed: 2.05 ft at 11:30PM May 28, 2023Observed: 2.07 ft at 11:45PM May 28, 2023Observed: 2.05 ft at 12:00AM May 29, 2023Observed: 2.06 ft at 12:15AM May 29, 2023Observed: 2.05 ft at 12:30AM May 29, 2023Observed: 2.07 ft at 12:45AM May 29, 2023Observed: 2.05 ft at 1:00AM May 29, 2023Observed: 2.08 ft at 1:15AM May 29, 2023Observed: 2.05 ft at 1:30AM May 29, 2023Observed: 2.05 ft at 1:45AM May 29, 2023Observed: 2.05 ft at 2:00AM May 29, 2023Observed: 2.04 ft at 2:15AM May 29, 2023Observed: 2.02 ft at 2:30AM May 29, 2023Observed: 2.04 ft at 2:45AM May 29, 2023Observed: 2.06 ft at 3:00AM May 29, 2023Observed: 2.04 ft at 3:15AM May 29, 2023Observed: 2.06 ft at 3:30AM May 29, 2023Observed: 2.06 ft at 3:45AM May 29, 2023Observed: 2.06 ft at 4:00AM May 29, 2023Observed: 2.06 ft at 4:15AM May 29, 2023Observed: 2.07 ft at 4:30AM May 29, 2023Observed: 2.08 ft at 4:45AM May 29, 2023Observed: 2.08 ft at 5:00AM May 29, 2023Observed: 2.07 ft at 5:15AM May 29, 2023Observed: 2.09 ft at 5:30AM May 29, 2023Observed: 2.06 ft at 5:45AM May 29, 2023Observed: 2.03 ft at 6:00AM May 29, 2023Observed: 2.06 ft at 6:15AM May 29, 2023Observed: 2.05 ft at 6:30AM May 29, 2023Observed: 2.06 ft at 6:45AM May 29, 2023Observed: 2.06 ft at 7:00AM May 29, 2023Observed: 2.06 ft at 7:15AM May 29, 2023Observed: 2.07 ft at 7:30AM May 29, 2023Observed: 2.04 ft at 7:45AM May 29, 2023Observed: 2.06 ft at 8:00AM May 29, 2023Observed: 2.06 ft at 8:15AM May 29, 2023Observed: 2.08 ft at 8:30AM May 29, 2023Observed: 2.05 ft at 8:45AM May 29, 2023Observed: 2.05 ft at 9:00AM May 29, 2023Observed: 2.05 ft at 9:15AM May 29, 2023Observed: 2.07 ft at 9:30AM May 29, 2023Observed: 2.07 ft at 9:45AM May 29, 2023Observed: 2.03 ft at 10:00AM May 29, 2023Observed: 2.06 ft at 10:15AM May 29, 2023Observed: 2.06 ft at 10:17AM May 29, 2023Observed: 2.03 ft at 10:30AM May 29, 2023Observed: 2.03 ft at 10:32AM May 29, 2023Observed: 2.03 ft at 10:45AM May 29, 2023Observed: 2.03 ft at 10:47AM May 29, 2023Observed: 2.05 ft at 11:00AM May 29, 2023Observed: 2.05 ft at 11:02AM May 29, 2023Observed: 2.06 ft at 11:15AM May 29, 2023Observed: 2.04 ft at 11:30AM May 29, 2023Observed: 2.04 ft at 11:45AM May 29, 2023Observed: 2.03 ft at 12:00PM May 29, 2023Observed: 2.05 ft at 12:15PM May 29, 2023Observed: 2.04 ft at 12:30PM May 29, 2023Observed: 2.07 ft at 12:45PM May 29, 2023Observed: 2.06 ft at 1:00PM May 29, 2023Observed: 2.06 ft at 1:15PM May 29, 2023Observed: 2.06 ft at 1:30PM May 29, 2023Observed: 2.06 ft at 1:45PM May 29, 2023Observed: 2.04 ft at 2:00PM May 29, 2023Observed: 2.04 ft at 2:15PM May 29, 2023Observed: 2.07 ft at 2:30PM May 29, 2023Observed: 2.07 ft at 2:45PM May 29, 2023Observed: 2.08 ft at 3:00PM May 29, 2023Observed: 2.05 ft at 3:15PM May 29, 2023Observed: 2.06 ft at 3:30PM May 29, 2023Observed: 2.06 ft at 3:45PM May 29, 2023Observed: 2.06 ft at 4:00PM May 29, 2023Observed: 2.07 ft at 4:15PM May 29, 2023Observed: 2.04 ft at 4:30PM May 29, 2023Observed: 2.05 ft at 4:45PM May 29, 2023Observed: 2.05 ft at 5:00PM May 29, 2023Observed: 2.05 ft at 5:15PM May 29, 2023Observed: 2.05 ft at 5:30PM May 29, 2023Observed: 2.07 ft at 5:45PM May 29, 2023Observed: 2.03 ft at 6:00PM May 29, 2023Observed: 2.06 ft at 6:15PM May 29, 2023Observed: 2.07 ft at 6:30PM May 29, 2023Observed: 2.05 ft at 6:45PM May 29, 2023Observed: 2.07 ft at 7:00PM May 29, 2023Observed: 2.07 ft at 7:15PM May 29, 2023Observed: 2.07 ft at 7:30PM May 29, 2023Observed: 2.04 ft at 7:45PM May 29, 2023Observed: 2.03 ft at 8:00PM May 29, 2023Observed: 2.05 ft at 8:15PM May 29, 2023Observed: 2.03 ft at 8:30PM May 29, 2023Observed: 2.05 ft at 8:45PM May 29, 2023Observed: 2.04 ft at 9:00PM May 29, 2023Observed: 2.07 ft at 9:15PM May 29, 2023Observed: 2.05 ft at 9:30PM May 29, 2023Observed: 2.05 ft at 9:45PM May 29, 2023Observed: 2.07 ft at 10:00PM May 29, 2023Observed: 2.06 ft at 10:15PM May 29, 2023Observed: 2.06 ft at 10:16PM May 29, 2023Observed: 2.08 ft at 10:30PM May 29, 2023Observed: 2.08 ft at 10:31PM May 29, 2023Observed: 2.07 ft at 10:45PM May 29, 2023Observed: 2.07 ft at 10:46PM May 29, 2023Observed: 2.06 ft at 11:00PM May 29, 2023Observed: 2.06 ft at 11:01PM May 29, 2023Observed: 2.06 ft at 11:15PM May 29, 2023Observed: 2.08 ft at 11:30PM May 29, 2023Observed: 2.06 ft at 11:45PM May 29, 2023Observed: 2.07 ft at 12:00AM May 30, 2023Observed: 2.07 ft at 12:15AM May 30, 2023Observed: 2.05 ft at 12:30AM May 30, 2023Observed: 2.08 ft at 12:45AM May 30, 2023Observed: 2.07 ft at 1:00AM May 30, 2023Observed: 2.02 ft at 1:15AM May 30, 2023Observed: 2.05 ft at 1:30AM May 30, 2023Observed: 2.03 ft at 1:45AM May 30, 2023Observed: 2.08 ft at 2:00AM May 30, 2023Observed: 2.05 ft at 2:15AM May 30, 2023Observed: 2.07 ft at 2:30AM May 30, 2023Observed: 2.04 ft at 2:45AM May 30, 2023Observed: 2.03 ft at 3:00AM May 30, 2023Observed: 2.05 ft at 3:15AM May 30, 2023Observed: 2.05 ft at 3:30AM May 30, 2023Observed: 2.03 ft at 3:45AM May 30, 2023Observed: 2.08 ft at 4:00AM May 30, 2023Observed: 2.06 ft at 4:15AM May 30, 2023Observed: 2.06 ft at 4:30AM May 30, 2023Observed: 2.05 ft at 4:45AM May 30, 2023Observed: 2.08 ft at 5:00AM May 30, 2023Observed: 2.06 ft at 5:15AM May 30, 2023Observed: 2.03 ft at 5:30AM May 30, 2023Observed: 2.03 ft at 5:45AM May 30, 2023Observed: 2.04 ft at 6:00AM May 30, 2023Observed: 2.07 ft at 6:15AM May 30, 2023Observed: 2.04 ft at 6:30AM May 30, 2023Observed: 2.05 ft at 6:45AM May 30, 2023Observed: 2.05 ft at 7:00AM May 30, 2023Observed: 2.04 ft at 7:15AM May 30, 2023Observed: 2.05 ft at 7:30AM May 30, 2023Observed: 2.04 ft at 7:45AM May 30, 2023Observed: 2.05 ft at 8:00AM May 30, 2023Observed: 2.04 ft at 8:15AM May 30, 2023Observed: 2.05 ft at 8:30AM May 30, 2023Observed: 2.04 ft at 8:45AM May 30, 2023Observed: 2.04 ft at 9:00AM May 30, 2023Observed: 2.07 ft at 9:15AM May 30, 2023Observed: 2.04 ft at 9:30AM May 30, 2023Observed: 2.04 ft at 9:45AM May 30, 2023Observed: 2.05 ft at 10:00AM May 30, 2023Observed: 2.05 ft at 10:15AM May 30, 2023Observed: 2.05 ft at 10:16AM May 30, 2023Observed: 2.04 ft at 10:30AM May 30, 2023Observed: 2.04 ft at 10:31AM May 30, 2023Observed: 2.05 ft at 10:45AM May 30, 2023Observed: 2.05 ft at 10:46AM May 30, 2023Observed: 2.06 ft at 11:00AM May 30, 2023Observed: 2.06 ft at 11:01AM May 30, 2023Observed: 2.05 ft at 11:15AM May 30, 2023Observed: 2.04 ft at 11:30AM May 30, 2023Observed: 2.04 ft at 11:45AM May 30, 2023Observed: 2.08 ft at 12:00PM May 30, 2023Observed: 2.05 ft at 12:15PM May 30, 2023Observed: 2.06 ft at 12:30PM May 30, 2023Observed: 2.04 ft at 12:45PM May 30, 2023Observed: 2.03 ft at 1:00PM May 30, 2023Observed: 2.04 ft at 1:15PM May 30, 2023Observed: 2.06 ft at 1:30PM May 30, 2023Observed: 2.03 ft at 1:45PM May 30, 2023Observed: 2.05 ft at 2:00PM May 30, 2023Observed: 2.06 ft at 2:15PM May 30, 2023Observed: 2.08 ft at 2:30PM May 30, 2023Observed: 2.09 ft at 2:45PM May 30, 2023Observed: 2.03 ft at 3:00PM May 30, 2023Observed: 2.06 ft at 3:15PM May 30, 2023Observed: 2.07 ft at 3:30PM May 30, 2023Observed: 2.03 ft at 3:45PM May 30, 2023Observed: 2.06 ft at 4:00PM May 30, 2023Observed: 2.03 ft at 4:15PM May 30, 2023Observed: 2.06 ft at 4:30PM May 30, 2023Observed: 2.05 ft at 4:45PM May 30, 2023Observed: 2.07 ft at 5:00PM May 30, 2023Observed: 2.04 ft at 5:15PM May 30, 2023Observed: 2.07 ft at 5:30PM May 30, 2023Observed: 2.04 ft at 5:45PM May 30, 2023Observed: 2.07 ft at 6:00PM May 30, 2023Observed: 2.06 ft at 6:15PM May 30, 2023Observed: 2.06 ft at 6:30PM May 30, 2023Observed: 2.06 ft at 6:45PM May 30, 2023Observed: 2.09 ft at 7:00PM May 30, 2023Observed: 2.06 ft at 7:15PM May 30, 2023Observed: 2.04 ft at 7:30PM May 30, 2023Observed: 2.06 ft at 7:45PM May 30, 2023Observed: 2.05 ft at 8:00PM May 30, 2023Observed: 2.07 ft at 8:15PM May 30, 2023Observed: 2.04 ft at 8:30PM May 30, 2023Observed: 2.03 ft at 8:45PM May 30, 2023Observed: 2.07 ft at 9:00PM May 30, 2023Observed: 2.06 ft at 9:15PM May 30, 2023Observed: 2.05 ft at 9:30PM May 30, 2023Observed: 2.04 ft at 9:45PM May 30, 2023Observed: 2.05 ft at 10:00PM May 30, 2023Observed: 2.03 ft at 10:15PM May 30, 2023Observed: 2.03 ft at 10:17PM May 30, 2023Observed: 2.05 ft at 10:30PM May 30, 2023Observed: 2.05 ft at 10:32PM May 30, 2023Observed: 2.08 ft at 10:45PM May 30, 2023Observed: 2.08 ft at 10:47PM May 30, 2023Observed: 2.05 ft at 11:00PM May 30, 2023Observed: 2.05 ft at 11:02PM May 30, 2023Observed: 2.06 ft at 11:15PM May 30, 2023Observed: 2.06 ft at 11:30PM May 30, 2023Observed: 2.04 ft at 11:45PM May 30, 2023Observed: 2.08 ft at 12:00AM May 31, 2023Observed: 2.06 ft at 12:15AM May 31, 2023Observed: 2.03 ft at 12:30AM May 31, 2023Observed: 2.05 ft at 12:45AM May 31, 2023Observed: 2.05 ft at 1:00AM May 31, 2023Observed: 2.06 ft at 1:15AM May 31, 2023Observed: 2.04 ft at 1:30AM May 31, 2023Observed: 2.08 ft at 1:45AM May 31, 2023Observed: 2.04 ft at 2:00AM May 31, 2023Observed: 2.05 ft at 2:15AM May 31, 2023Observed: 2.05 ft at 2:30AM May 31, 2023Observed: 2.05 ft at 2:45AM May 31, 2023Observed: 2.03 ft at 3:00AM May 31, 2023Observed: 2.06 ft at 3:15AM May 31, 2023Observed: 2.05 ft at 3:30AM May 31, 2023Observed: 2.08 ft at 3:45AM May 31, 2023Observed: 2.07 ft at 4:00AM May 31, 2023Observed: 2.06 ft at 4:15AM May 31, 2023Observed: 2.05 ft at 4:30AM May 31, 2023Observed: 2.06 ft at 4:45AM May 31, 2023Observed: 2.08 ft at 5:00AM May 31, 2023Observed: 2.07 ft at 5:15AM May 31, 2023Observed: 2.04 ft at 5:30AM May 31, 2023Observed: 2.06 ft at 5:45AM May 31, 2023Observed: 2.07 ft at 6:00AM May 31, 2023Observed: 2.06 ft at 6:15AM May 31, 2023Observed: 2.05 ft at 6:30AM May 31, 2023Observed: 2.07 ft at 6:45AM May 31, 2023Observed: 2.05 ft at 7:00AM May 31, 2023Observed: 2.01 ft at 7:15AM May 31, 2023Observed: 2.04 ft at 7:30AM May 31, 2023Observed: 2.06 ft at 7:45AM May 31, 2023Observed: 2.02 ft at 8:00AM May 31, 2023Observed: 2.06 ft at 8:15AM May 31, 2023Observed: 2.05 ft at 8:30AM May 31, 2023Observed: 1.98 ft at 8:45AM May 31, 2023Observed: 2.01 ft at 9:00AM May 31, 2023Observed: 2.02 ft at 9:15AM May 31, 2023Observed: 2 ft at 9:30AM May 31, 2023Observed: 1.99 ft at 9:45AM May 31, 2023Observed: 1.99 ft at 10:00AM May 31, 2023Observed: 2.01 ft at 10:15AM May 31, 2023Observed: 2.01 ft at 10:16AM May 31, 2023Observed: 2.01 ft at 10:30AM May 31, 2023Observed: 2.01 ft at 10:31AM May 31, 2023Observed: 1.9 ft at 10:45AM May 31, 2023Observed: 1.9 ft at 10:46AM May 31, 2023Observed: 1.84 ft at 11:00AM May 31, 2023Observed: 1.84 ft at 11:01AM May 31, 2023Observed: 1.8 ft at 11:15AM May 31, 2023Observed: 1.81 ft at 11:30AM May 31, 2023Observed: 1.83 ft at 11:45AM May 31, 2023Observed: 1.83 ft at 12:00PM May 31, 2023Observed: 1.83 ft at 12:15PM May 31, 2023Observed: 1.82 ft at 12:30PM May 31, 2023Observed: 1.82 ft at 12:45PM May 31, 2023Observed: 1.81 ft at 1:00PM May 31, 2023Observed: 1.84 ft at 1:15PM May 31, 2023Observed: 1.84 ft at 1:30PM May 31, 2023Observed: 1.83 ft at 1:45PM May 31, 2023Observed: 1.84 ft at 2:00PM May 31, 2023Observed: 1.83 ft at 2:15PM May 31, 2023Observed: 1.83 ft at 2:30PM May 31, 2023Observed: 1.83 ft at 2:45PM May 31, 2023Observed: 1.85 ft at 3:00PM May 31, 2023Observed: 1.82 ft at 3:15PM May 31, 2023Observed: 1.84 ft at 3:30PM May 31, 2023Observed: 1.81 ft at 3:45PM May 31, 2023Observed: 1.83 ft at 4:00PM May 31, 2023Observed: 1.85 ft at 4:15PM May 31, 2023Observed: 1.86 ft at 4:30PM May 31, 2023Observed: 1.81 ft at 4:45PM May 31, 2023Observed: 1.81 ft at 5:00PM May 31, 2023Observed: 1.82 ft at 5:15PM May 31, 2023Observed: 1.83 ft at 5:30PM May 31, 2023Observed: 1.83 ft at 5:45PM May 31, 2023Observed: 1.83 ft at 6:00PM May 31, 2023Observed: 1.8 ft at 6:15PM May 31, 2023Observed: 1.83 ft at 6:30PM May 31, 2023Observed: 1.79 ft at 6:45PM May 31, 2023Observed: 1.82 ft at 7:00PM May 31, 2023Observed: 1.83 ft at 7:15PM May 31, 2023Observed: 1.8 ft at 7:30PM May 31, 2023Observed: 1.82 ft at 7:45PM May 31, 2023Observed: 1.84 ft at 8:00PM May 31, 2023Observed: 1.82 ft at 8:15PM May 31, 2023Observed: 1.82 ft at 8:30PM May 31, 2023Observed: 1.85 ft at 8:45PM May 31, 2023Observed: 1.83 ft at 9:00PM May 31, 2023Observed: 1.81 ft at 9:15PM May 31, 2023Observed: 1.82 ft at 9:30PM May 31, 2023Observed: 1.82 ft at 9:45PM May 31, 2023Observed: 1.82 ft at 10:00PM May 31, 2023Observed: 1.81 ft at 10:15PM May 31, 2023Observed: 1.81 ft at 10:16PM May 31, 2023Observed: 1.83 ft at 10:30PM May 31, 2023Observed: 1.83 ft at 10:31PM May 31, 2023Observed: 1.83 ft at 10:45PM May 31, 2023Observed: 1.83 ft at 10:46PM May 31, 2023Observed: 1.84 ft at 11:00PM May 31, 2023Observed: 1.84 ft at 11:01PM May 31, 2023Observed: 1.84 ft at 11:15PM May 31, 2023Observed: 1.82 ft at 11:30PM May 31, 2023Observed: 1.81 ft at 11:45PM May 31, 2023Observed: 1.81 ft at 12:00AM Jun 01, 2023Observed: 1.81 ft at 12:15AM Jun 01, 2023Observed: 1.84 ft at 12:30AM Jun 01, 2023Observed: 1.82 ft at 12:45AM Jun 01, 2023Observed: 1.82 ft at 1:00AM Jun 01, 2023Observed: 1.85 ft at 1:15AM Jun 01, 2023Observed: 1.8 ft at 1:30AM Jun 01, 2023Colorado Division of Water ResourcesANTC2(plotting HGIRG) Graph Created (2:15AM Jun 1, 2023)ObservedLatest observed value: 1.8 ft at 1:30 AM MDT 1-Jun-2023. Flood Stage is 6.5 ft
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Tabular Data (UTC)
Tabular Data (MDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Gauge reading affected by reservoir operations.

NOTE: Forecasts are not available for the South Platte River below Antero Reservoir. Only observed stages are available for this point.

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Downstream Gauge Downstream Gauge - above Spinney Mountain Reservoir
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 6.5
Action Stage: 4.5
Low Stage (in feet): -9999

Historic Crests
(1) 4.18 ft on 06/26/2015
(2) 3.73 ft on 06/18/2019
(3) 3.49 ft on 10/25/2000
(4) 3.47 ft on 05/27/2009
(5) 3.40 ft on 06/14/2010
(6) 3.29 ft on 07/25/2002
(7) 3.09 ft on 06/03/2008
(8) 2.97 ft on 06/01/2014
(9) 2.78 ft on 06/10/2011
(10) 2.52 ft on 06/14/2017
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 2.39 ft on 06/30/2021
(2) 1.77 ft on 06/04/2020
(3) 3.73 ft on 06/18/2019
(4) 1.13 ft on 05/24/2018
(5) 2.52 ft on 06/14/2017
(6) 1.00 ft on 03/06/2016
(7) 4.18 ft on 06/26/2015
(8) 2.97 ft on 06/01/2014
(9) 1.13 ft on 09/22/2012
(10) 2.78 ft on 06/10/2011
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:13
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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.
About This Location Collapse

Latitude: 38.993900° N, Longitude: 105.894600° W, Horizontal Datum: NAD27

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 6.5 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 8920 8926.5 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 Colorado Division of Water Resources
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Hydrologic Resources Additional Resources
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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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