Current Water Year Data

Today's Summary Reports

• SNOTEL Update Report (Current Snow/Precip Summary for all Alaska sites)
• Condensed SNOTEL Update Report (Current Snow/Precip Summary for all Alaska basins)
• Regional Update Reports for:  Alaska | Western US  -Updated daily
• Western US Snowpack & Precipitation Summary  -Updated weekly
• Drought Monitor Update Report  -Updated weekly
• Basin Average Bar Graphs for Alaska:  Snow Water | Precipitation  -Updated daily
• Basin Average Map of Western US Snowpack  (reviewed for accuracy) -Updated monthly
• Basin Average Map of Alaska Snowpack  (reviewed for accuracy)  -Updated monthly

Daily SNOTEL Data

• Map-Based Access to SNOTEL Data -Access hourly and daily data for past 7 days or current water year
• List-Based Access to SNOTEL Data  -Generates daily reports for user selected time periods
• Water Year Graph of Snowpack & Precipitation   (Current water year and 30-yr average data)
• Comparison Graph of Snowpack & Precipitation   (Current and previous water years, and 30-yr average data)
• 7-Day Snow Depth Report  (Only available for sites with snow depth sensors)
• Current Water Year Tables for Individual Sites:  Snow Water | Precipitation | Air Temperature
• SNOTEL Tab Separated Data
• 24-Hour SNOTEL Report  (Text file with all sites, all sensors, all records for the past 24 hours)  -Updated once an hour
• 7-Day SNOTEL Report  (Text file with all sites, all sensors, all records for the past 7 days)  -Updated twice a day

Monthly Data

• Snowpack Reports  (Includes snow courses & SNOTEL sites, format types: BASN, BASS, LOST)
• Precipitation Reports  (Includes snow courses & SNOTEL sites, format types: BAPR, BSPR)

• Most of these documents require Adobe Acrobat  
• For definitions click here, then scroll down.
• Note: Please manually refresh .PDF files in internet browser to ensure you have the latest data

Water Supply Forecasts - Maps display the 50% exceedance forecast.  Maps are published January through June. For the 90%, 70%, 30% and 10% exceedance forecasts, please consult the State Basin Outlook Reports.  For more information on how to interpret exceedance forecasts, check out our Streamflow Forecast Interpretation webpage. Streamflow Forecast Map       1st of Month Regional maps % of Average for Alaska   West-wide maps % of Average

Snow - Maps of snow water equivalent, snow density, and snow depth derived from SNOTEL and manual snow course data. SNOTEL Snow Water Equivalent Current State maps   NEW   % of Normal Select a State Alaska Arizona California Colorado Idaho Montana Nevada New Mexico Oregon Utah Washington Wyoming     SNOTEL & Snow Course Snow Water Equivalent 1st of Month State/basin maps   % of Normal for Alaska SNOTEL Snow Depth Current State maps   REVISED Snow Depth Select a State Alaska Arizona California Colorado Idaho Montana New Mexico Nevada Oregon Utah Washington Wyoming

Precipitation - Maps of month-to-date and year-to-date precipitation.  SNOTEL Precipitation Month to Date Water Year to Date State Maps   NEW % of Normal     Select a State Alaska Arizona California Colorado Idaho Montana Nevada New Mexico Oregon Utah Washington Wyoming % of Normal      Select a State Alaska Arizona California Colorado Idaho Montana Nevada New Mexico Oregon Utah Washington Wyoming

Temperature Maps of maximum, minimum, and average temperatures displayed as percentiles, records, anomalies, and more...

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