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Current Water Year Data

Current Water Year Data

Today's Summary Reports


Daily SNOTEL Data

Monthly Data

  GIS Products

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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

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Snow - Maps of snow water equivalent, snow density, and snow depth derived from SNOTEL and manual snow course data.
SNOTEL Snow Water Equivalent
State maps   NEW
Adobe Acrobat Icon % of Normal
SNOTEL & Snow Course
Snow Water Equivalent
1st of Month
State/basin maps
% of Normal for Alaska
SNOTEL Snow Depth
State maps   REVISED Adobe Acrobat Icon Snow Depth
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Precipitation - Maps of month-to-date and year-to-date precipitation. 
SNOTEL Precipitation
Month to Date
Water Year to Date
State Maps   NEW Adobe Acrobat Icon % of Normal
Adobe Acrobat Icon % of Normal
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Maps of maximum, minimum, and average temperatures displayed as percentiles, records, anomalies, and more...