The USGS National Climate Change Viewer (NCCV) is a web application for visualizing climate projections from the Climate Model Intercomparison Program (CMIP) that have been statistically downscaled to high spatial resolution for the conterminous United States. The NCCV allows users to visualize projected changes in climate (maximum and minimum air temperature, precipitation) and the water balance (snow water equivalent, runoff, soil water storage, and evaporative deficit) for any state, county and USGS Hydrologic Units (HUC4 and HUC8) using a variety of graphics and tools. We provide monthly time series and averages for the historical period (1981-2010) and three future time periods (2025-2049, 2050-2074, and 2075-2099). The application also provides access to comprehensive summary reports in PDF format and CSV files for the climate and water balance variables for each geographic area.
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