Sun-Teton-Marias Daily Summary | NRCS Montana
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Sun-Teton-Marias Daily Summary

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Sun-Teton-Marias Daily Summary

  • Home
  • Daily Conditions
    • Daily Statewide Conditions
    • Daily River Basin Conditions
      • Kootenai
      • Flathead
      • Upper Clark Fork
      • Bitterroot
      • Lower Clark Fork
      • Jefferson
      • Madison
      • Gallatin
      • Helena Valley
      • Smith-Judith-Musselshell
      • Sun-Teton-Marias
      • St. Mary
      • Milk
      • Upper Yellowstone
      • Wyoming Basins
  • Water Supply
    • Monthly Statewide Overview
    • Monthly Basin Summaries
      • Kootenai
      • Flathead
      • Upper Clark Fork
      • Bitterroot
      • Lower Clark Fork
      • Jefferson
      • Madison
      • Gallatin
      • Helena Valley
      • Smith-Judith-Musselshell
      • Sun-Teton-Marias
      • St. Mary
      • Milk
      • Upper Yellowstone
      • Wyoming Basins
    • Official Streamflow Forecasts
    • Reservoir Storage
    • Daily Streamflow Forecasts
    • Water Supply Outlook Reports
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The daily river basin conditions below are intended to supplement the information provided in the monthly "Water Supply" section of this website. NRCS maps and products found below are created using daily data from mountain SNOTEL sites only and do not include data from valley weather stations or snowcourse data. The data found below should only be used as a reasonable approximation of current conditions and not a comprehensive overview of basin conditions. 

 

For the most comprehensive information, including snowpack conditions, mountain and valley precipitation, reservoir storage, and streamflow forecasts, please visit the Monthly Overview or Monthly River Basin Summaries for your region of interest by using the navigation bar above. 

 

 

Daily Interactive Basin and Station Conditions

(Snowpack, Snow Depth and Mountain Precipitation)

The maps below are generated using daily midnight data from the USDA-NRCS SNOTEL Network and contain the same information as the legacy maps including snow water equivalent (SWE) and mountain precipitation. Users can scroll in on areas of interest to view both basin and station statistics, view plots of multiple parameters, and download data for their personal use. 

A user defined version of the map below can be found here. This map includes additional data points such as monthly reservoir storage, streamflow forecasts, and soil moisture, which can be helpful for future water resource planning.      

*The NRCS products below are updated daily using midnight (daily) SNOTEL data for the "first of day" values. Daily data is quality controlled by NRCS Montana Snow Survey staff daily during the business week. Hourly data, found by navigating to individual sites via the interactive map, is unedited and should be used for guidance purposes only.

(Select a Map Using Dropdown Below)

 

SNOTEL Daily Plots

The plots below are generated using daily midnight data from the USDA-NRCS SNOTEL Network and contain mountain snowpack (SWE), precipitation, and daily average air temperature data. Daily plots will update daily before 6am, but may include unedited daily values if used before 10am MDT, or on weekends. 

Additional plots for sub-basin SWE can be found in the tool above by  selecting "Snow Water Equivalent - Sub-Basin" and clicking on the basin of interest. Additional plots for SWE and Precipitation can also be found in the Basin Plots webpage.

*Please note. All plots below only use data from mountain weather stations and do not include air temperature or precipitation data from valley locations.    

 

Real-Time Streamflows

 (Source: United States Geological Survey)

Click on the link to the right, or the map below, to be re-directed to the USGS WaterWatch webpage with interactive content. Alternatively, you can also navigate to the experimental National Water Dashboard, which includes some excellent new tools from the USGS. 

 

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