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Regional Data and Research


County Level Temperature and Precipitation Maps



Cattle Heat Stress Forecast




Search through a collection of articles pertaining to all aspects of climate change in the Southwestern United States collected by the USDA Southwest Climate Hub and California Subsidiary Hub and partners.

Regional Information:

State Agriculture Overviews:

Water and Drought

Water Resources and Climate Change Adaptation in Hawai‘i: Adaptive Tools in the Current Law and Policy Framework 2012

Drought Preparedness for Tribes in the Four Corners Workshop and Report

Climate Change and Water in Southwestern North America Special Feature Proceedings of the National Academy of Sciences of the US

Groundwater Depletion in the US (1900-2008) by Leonard F. Knoikow, May 2013, USGS Scientific Investigations Report

Estimated Use of Water in the US in 2005 USGS Circular 1344

Mission 2012 Clean Water Massachusetts Institute of Technology

Water Requirement for Cattle Future Beef

Satellites Show Shrinking Aquifers in Drought-Stricken Areas Scientific American, 2013

Climate Change Indicators in the United States US EPA

Probable causes of the abnormal ridge accompanying the 2013–2014 California drought: ENSO precursor and anthropogenic warming footprint by S.-Y. Wang et al., 2014, Geophysical Research Letters

Temperature as a potent driver of regional forest drought stress and tree mortality - A. Park Williams, et al., 2013, Nature Climate Change

Climate and Droughts Alan L. McNab, Thomas R. Karl, NOAA (reproduced in its entirety from Hanson, R.L., 1991, Evapotranspiration and Droughts, in Paulson, R.W., Chase, E.B., Roberts, R.S., and Moody, D.W., Compilers, National Water Summary 1988-89--Hydrologic Events and Floods and Droughts: U.S. Geological Survey Water-Supply Paper 2375, p. 99-104)

State of the Climate - monthly drought in the US reports, discussion, and more (NOAA, National Centers for Environmental Information)

Climate Monitoring, State of the Climate - a collection of monthly summaries recapping climate-related occurrences (NOAA)

US Drought Portal - where is the drought?

PRISM Climate Group - climate observations gathered from a wide range of monitoring networks, spatial climate datasets are developed to reveal short- and long-term climate patterns

National Climate Change Viewer (NCCV) - The NCCV allows the user to visualize projected changes in climate (maximum and minimum air temperature and precipitation) and the water balance (snow water equivalent, runoff, soil water storage and evaporative deficit) for any state, county and USGS Hydrologic Unit (USGS)

Online Data Access - from the Walnut Gulch Experimental Watershed in southeastern Arizona operated by the USDA ARS Southwest Watershed Research Center, Tucson, AZ


Assessing the Vulnerabilities of Park Resources USDI National Park Service

Climate Impacts on Forests US EPA

US Forest Service Climate Change Research

Southwestern Region Climate Change Trends and Forest Planning

A risk assessment of climate change and the impact of forest diseases on forest ecosystems in the Western United States and Canada US Forest Service General Technical Report

Climate Change to Cripple Southwestern Forests USGS

Southwest Tribal Climate Change Project Northern Arizona University


Adaptation Can Help US Crop Producers Confront Climate Change Scott Malcolm, et al. 2013

USDA Agricultural Projection to 2023 USDA OCE World Agricultural Outlook Board

Effects of global climate change on agriculture: an interpretive review R.M. Adams, et al. 1998

Climate Impacts on Agriculture: Implications for Crop Production J.L. Hatfield, et al. 2011

Climate Change Impact on Agriculture and Costs of Adaptation G.C. Nelson, et al. 2009

Agricultural Adaptation to a Changing Climate: Economic and Environmental Implications Vary by US Region S. Malcolm, et al. 2012

Climate Change and Agriculture in the US: Effects and Adaptation USDA OCE

Climate Impacts in the Southwest US EPA

Major World Crop Areas and Climate Profiles (MWCACP) for North America - USDA

Crop Explorer - explore by crop and explore by region (USDA Foreign Agricultural Service)

Cropscape – Cropland Data Layer - spatial data layers (USDA National Agricultural Statistics Service)

Crop Weather - data links to crop weather conditions, drought central, current weather conditions and forecasts, and more (USDA Risk Management Agency)

Food resilience data - results from a search on


Climate Change and Wildfire Impacts in Southwest Forests and Woodlands Arizona Cooperative Extension


NRCS Major Land Resource Area (MLRA) link to database and interactive map (USDA Natural Resources Conservation Service, Soils)

National Resources Inventory data and reports - A statistical survey of land use and natural resource conditions and trends on U.S. non-Federal lands (USDA Natural Resources Conservation Service)


Coastal Impacts, Adaptation, and Vulnerabilities, A Technical Input to the 2013 National Climate Assessment

A framework for Climate Change Adaptation in Hawai’i State of Hawaii Office of Planning

Responding to the effects of coastal climate change results of a national sea grant survey, Oregon State University

Cultural dimensions of climate change impacts and adaptation, W. Neil Adger, et al. 2012, Nature Climate Change

California Coastal Commission Global Warming and Climate Change

Economic Research Service Program of Work  Addressing Global Climate Change USDA Economic Research Service

The Effects of Climate Change on U.S. Ecosystems  Synthesis of SAP 4.2, US Climate Change Science Program: The Effects of Climate Change on Agriculture, Land Resources, Water Resources, and Biodiversity in the US; Full Report: