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PNW Trend Analysis Tool

  • Description:

    Graph monthly, seasonal, and annual trends in temperature, precipitation, and snowpack for stations across the Pacific Northwest.

  • Variables: Air temperature, Precipitation, Snowpack
  • Formats: Data, Graph, Map
  • Timeframe: Historical
  • Source: Washington State Climate Office PNW Trend Analysis Tool
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    Climate Toolbox Sub-seasonal Forecast Graphs

  • Description:

    Explore experimental 4-week forecasts of precipitation, temperature, evaporation, and various wildfire indices. Click on “set location” on the initial pop-up message and then enter “Washington State” in the GeoLocation box to view forecasts for Washington State.

  • Variables: Air temperature, Drought, Fire, Heat, Precipitation
  • Formats: Data, Graph
  • Timeframe: Seasonal Forecasts, Short-term Outlooks
  • Source: Climate Toolbox
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    NCA5 Interactive Atlas Explorer

  • Description:

    Explore maps of projected temperature and precipitation changes from the LOCA2 downscaled dataset. LOCA2 data is downscaled from CMIP6 climate models.

  • Variables: Air temperature, Heat, Precipitation
  • Formats: Map
  • Timeframe: Long-term projections
  • Source: U.S. National Climate Assessment
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    U.S. Climate Division Mapping

  • Description:

    Map monthly, seasonal, and annual NOAA/NCEI U.S. Climate Division temperature and precipitation means, anomalies, and climatologies with the ability to average over multiple years, from 1895-present.

  • Variables: Air temperature, Drought, Precipitation
  • Formats: Map
  • Timeframe: Historical
  • Source: NOAA Physical Science Laboratory
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    NCEI Climate Extremes Index (CEI)

  • Description:

    Graph regional and national trends in extreme max/min temperature records, drought, and heavy precipitation records over time.

  • Variables: Air temperature, Drought, Precipitation
  • Formats: Data, Graph
  • Timeframe: Historical
  • Source: NCEI
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    NWRFC Flooding and Streamflow Outlooks

  • Description:

    View maps and graphs of forecast river levels, flooding, precipitation, and air temperatures across Washington State out to 10 days in the future.

  • Variables: Air temperature, Precipitation, Runoff / Streamflow
  • Formats: Graph, Map
  • Timeframe: Short-term Outlooks
  • Source: Northwest River Forecast Center
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    Climate Toolbox Future Boxplots

  • Description:

    Graphs of future climate and hydrology from 1971-2099.

  • Variables: Air temperature, Drought, Evaporation / Transpiration, Fire, Humidity, Precipitation, Snowpack, Soils
  • Formats: Data, Graph
  • Timeframe: Long-term projections
  • Source: University of California Merced
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    WRCC Climate Division Plotting

  • Description:

    Create time series plots of monthly precipitation and temperature by climate division.

  • Variables: Air temperature, Precipitation
  • Formats: Graph
  • Timeframe: Historical
  • Source: Western Regional Climate Center
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    Climate Mapping For Resilience and Adaptation

  • Description:

    Explore county, neighborhood, or Tribal Area-level risk for various climate hazards under low, medium, and high emissions pathways over the next century.

  • Variables: Air temperature, Coastal water levels (Waves/Surge/Tides), Drought, Fire, Heat, Precipitation
  • Formats: Graph, Map
  • Timeframe: Historical, Long-term projections
  • Source: U.S. Global Change Research Program (GCRP)
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    Recent Temperature and Precipitation Time Series

  • Description:

    Plot temperature and precipitation data compared to the 1991-2020 normal for up to 365 days from the current date for a few dozen WA weather stations.

  • Variables: Air temperature, Precipitation
  • Formats: Graph
  • Timeframe: Historical, Real-time
  • Source: NWS Climate Prediction Center
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    Climate Toolbox Climate Tracker

  • Description:

    Plot monthly gridded climate data (gridMET) from 1979-present at 4 km spatial resolution.

  • Variables: Air temperature, Drought, Evaporation / Transpiration, Humidity, Precipitation, Sunlight / Infrared (Radiation), Wind
  • Formats: Data, Graph
  • Timeframe: Historical
  • Source: University of California Merced
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    National Diurnal Climatology

  • Description:

    Monthly graphs of hourly average temperature, precipitation, dew point, wind, and sky cover for 5 Washington locations averaged from 1961-1990 climate normals.

  • Variables: Air temperature, Cloud Cover, Humidity, Precipitation, Wind
  • Formats: Graph
  • Timeframe: Historical
  • Source: Microclimates.org
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    PRISM Gridded Climate Data

  • Description:

    high resolution precipitation, temperature, dewpoint temperature, and vapor pressure deficit from 1981-present

  • Variables: Air temperature, Evaporation / Transpiration, Humidity, Precipitation
  • Formats: Data, Map
  • Timeframe: Historical, Real-time
  • Source: Oregon State University PRISM Climate
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    U.S. Climate Vulnerability Index

  • Description:

    View neighborhood-level climate risk and resilience derived from a combination of health, social, economic, environmental, extreme event likelihood, and infrastructure-related factors.

  • Variables: Air temperature, Drought, Fire, Heat, Precipitation, Social Vulnerability
  • Formats: Data, Map
  • Timeframe: Real-time
  • Source: Environmental Defense Fund and Texas A&M University
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    Watershed Precipitation Type Forecasts

  • Description:

    View a map of real-time expected precipitation type (rain, rain/snow, or snow) for each watershed in the western United States. Click on a watershed to view a 7-day forecast of 6-hr precipitation amount, type, and freezing level (in feet).

  • Variables: Precipitation, Runoff / Streamflow, Snowpack
  • Formats: Graph, Map
  • Timeframe: Short-term Outlooks
  • Source: Center for Western Weather and Water Extremes
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