PRISM 30-Year Average Maximum Temperature, 1981 – 2010

This layer depicts average annual maximum (high) temperature based on data from 1981 to 2010. Data was obtained from the PRISM Climate Group at Oregon State University. PRISM models climate information using a process which incorporates a digital elevation model. … Continued

PRISM 30-Year Average Minimum Temperature, 1981 – 2010

This layer depicts average annual minimum(low) temperature based on data from 1981 to 2010. Data was obtained from the PRISM Climate Group at Oregon State University. PRISM models climate information using a process which incorporates a digital elevation model. Monthly … Continued

EPA Climate Change Indicators – Change in River Flooding

This indicator examines changes in the size and frequency of inland river flood events in the United States. Indicator data are acquired from the EPA’s Climate Change Indicators in the United States, Fourth Edition, published in 2016.

EPA Climate Change Indicators – Change in Snowfall

This indicator examines changes in total snowfall in the contiguous 48 United States. Indicator data are acquired from the EPA’s Climate Change Indicators in the United States, Fourth Edition, published in 2016.

EPA Climate Change Indicators – Change in Extreme Temperatures

This indicator displays changes in the number of days with unusually (>95th percentile) cold temperatures in the contiguous 48 United States. Indicator data are acquired from the EPA’s Climate Change Indicators in the United States, Fourth Edition, published in 2016.

Drought Severity, 2019

This layer displays the percentage of weeks in Any Drought based on analysis of US Drought Monitor weekly drought data files for the year 2019.

Drought Severity, 2017-2019

This layer displays the percentage of weeks in Any Drought based on analysis of US Drought Monitor weekly drought data files for years 2017-2019.

Drought Intensity, U.S. Drought Monitor

This layer displays areas that experienced dry or drought conditions in the last seven days. Data are retrieved as shapefiles from the U.S. Drought Monitor and are updated on a weekly basis. The affected areas are represented by polygons, which … Continued