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37 datasets matching your filters
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NRCS Water Supply Forecast Plots

  • Description:

    View charts of forecast streamflow volume and percent of normal streamflow for the current and previous water years. Forecasts are available for various gauge locations and are organized by basin. New forecasts are initialized on the first of each month.

  • Variables: Runoff / Streamflow
  • Formats: Graph
  • Timeframe: Historical, Real-time, Seasonal Forecasts
  • Source: NCRS
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    NWRFC Apr-Sept Streamflow Natural Forecasts

  • Description:

    View probabilistic forecasts of streamflow relative to normal for April-September of the current and previous water years at gauge sites all across Washington State. New forecasts are updated daily.

  • Variables: Runoff / Streamflow
  • Formats: Graph, Map
  • Timeframe: Historical, Seasonal Forecasts
  • Source: NWRFC
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    Pacific Decadal Oscillation

  • Description:

    Plot the monthly Pacific Decadal Oscillation (PDO) index from 1854-Present. Click on “View Data” to view the numerical value of the PDO index for a given month.

  • Variables: ENSO and Global Climate Oscillations
  • Formats: Data, Graph
  • Timeframe: Historical, Real-time
  • Source: NCEI
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    Seasonal Accumulated Growing Degree Days

  • Description:

    View high resolution maps of the accumulated growing degree days (base 32, 41, and 50°F) for the current season. Differences from historical averages are also available.

  • Variables: Air temperature
  • Formats: Map
  • Timeframe: Historical, Real-time
  • Source: Oregon Climate Center
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    SPC Storm Events Database

  • Description:

    Search for notable storm events from 1950 to present across Washington including snowfall, high winds, extreme heat, flooding, marine hazards, and severe thunderstorms.

  • Variables: Air temperature, Coastal water levels (Waves/Surge/Tides), Fire, Heat, Precipitation, Runoff / Streamflow, Severe Weather, Wind
  • Formats: Text description
  • Timeframe: Historical
  • Source: SPC
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    USBoR Teacup Diagrams

  • Description:

    Click on “Yakima” or “Coulee” on the map to explore current reservoir levels and storage volumes in the Yakima Basin and Upper Columbia Basin. Click the “Graph of Total System Storage” link underneath the Yakima diagram to view a time series graph of current water year storage levels relative to both total “full pool” capacity and last year’s storage.

  • Variables: Lakes / Reservoirs
  • Formats: Graph, Map
  • Timeframe: Historical, Real-time
  • Source: US Bureau of Reclamation
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    Average Annual Statewide Temperature Graph Since 1895.

    NCEI Climate-at-a-Glance

  • Description:

    Graph, rank, and map monthly, seasonal, and annual average temperature and precipitation from 1895-present. View long term changes at the state, county, and other levels.

  • Variables: Air temperature, Drought, Precipitation
  • Formats: Data, Graph, Map
  • Timeframe: Historical
  • Source: NOAA National Centers for Environmental Information
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    Current Mountain Conditions (NRCS SWE Viewer)

  • Description:

    View the current and historical snow water equivalent percent of median map, along with other variables, for the western United States from 1980-present

  • Variables: Air temperature, Lakes / Reservoirs, Precipitation, Snowpack, Soils
  • Formats: Graph, Map
  • Timeframe: Historical, Real-time
  • Source: Natural Resources Conservation Service
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    West Wide Drought Tracker

  • Description:

    This tool allows the user to examine monthly time series and create maps of temperature, precipitation, or various drought indices (including Palmer Drought Severity Index and Standardized Precipitation Evapotranspiration Index) nationwide using PRISM data. Note: Requires creation of a free account for data access.

  • Variables: Air temperature, Drought, Evaporation / Transpiration, Precipitation
  • Formats: Data, Graph, Map
  • Timeframe: Historical, Real-time
  • Source: West Wide Drought Tracker
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    MRCC cli-MATE Tool

  • Description:

    Access hourly, daily, monthly, and seasonal raw climate data, as well as rankings, thresholds, and graphics through for cli-MATE. This is a powerful tool that we highly recommend.

  • Variables: Air temperature, Drought, Precipitation, Snowpack, Wind
  • Formats: Data, Graph, Map
  • Timeframe: Historical, Real-time
  • Source: Midwest Regional Climate Center (MRCC)cli-MATE Navigation Guide (list of data products available)
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    Community Collaborative Rain, Hail, and Snow Network (CoCoRaHS)

  • Description:

    View a map of daily precipitation, snowfall, and snow depth measurements from a large and growing network of backyard weather stations. Observers began taking measurements in WA state in June of 2008, and observations are updated daily.

  • Variables: Precipitation
  • Formats: Data, Map
  • Timeframe: Historical, Real-time
  • Source: CoCoRaHS
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    U.S. Drought Monitor

  • Description:

    A weekly map synthesis of various drought indicators to classify drought into different percentile categories from 2000-present. Also view seasonal outlooks using the “Conditions & Outlooks” tab.

  • Variables: Drought
  • Formats: Map, Text description
  • Timeframe: Historical, Real-time
  • Source: National Drought Mitigation Center, U.S. Department of Agriculture, and National Oceanic and Atmospheric Administration
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    Climate Toolbox Climate Mapper

  • Description:

    Maps of recent, gridded conditions, as well as monthly and seasonal forecasts and long term climate projections on a seasonal and annual time scale.

  • Variables: Air temperature, Drought, Evaporation / Transpiration, Fire, Heat, Humidity, Precipitation, Snowpack, Soils, Sunlight / Infrared (Radiation), Wind
  • Formats: Data, Map
  • Timeframe: Historical, Long-term projections, Real-time, Seasonal Forecasts
  • Source: University of California Merced
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    UW Atmos Recent Timeseries Weather Observations across the NW

  • Description:

    Plot real-time and historical weather conditions for various stations in WA, OR, ID, and BC. Data are available from 1996-present.

  • Variables: Air temperature, Humidity, Precipitation, Pressure, Sunlight / Infrared (Radiation), Wind
  • Formats: Data, Graph
  • Timeframe: Historical, Real-time
  • Source: UW Atmospheric Sciences Department
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    NCEI Climate Normals Viewer

  • Description:

    View graphs and download data for annual, seasonal, monthly, daily, and hourly normals for temperature, precipitation, and snowfall from climate stations nationwide. Climate periods available for graphing and download include 2006-2020, 1991-2020, and 1981-2010.

  • Variables: Air temperature, Precipitation
  • Formats: Data, Graph
  • Timeframe: Historical
  • Source: NCEI
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