This updated dataset reports the total number of days in which an extreme heat event was above the 95th percentile between 2014-2016 at the county level. Data were obtained from the Centers for Disease Control and Prevention (CDC) Environmental Public Health Tracking Network (EPHTN).

This updated dataset reports the total number of days in which an extreme heat event was above a specific threshold in the 95th, 98th, and 99th percentile. Data were obtained from the Centers for Disease Control and Prevention (CDC) Environmental Public Health Tracking Network (EPHTN).

This updated dataset reports the total number of days in which an extreme heat event was above the 98th percentile between 2014-2016 at the county level. Data were obtained from the Centers for Disease Control and Prevention (CDC) Environmental Public Health Tracking Network (EPHTN).

This updated dataset reports the total number of days in which an extreme heat event was above a specific threshold in the 95th, 98th, and 99th percentile. Data were obtained from the Centers for Disease Control and Prevention (CDC) Environmental Public Health Tracking Network (EPHTN).

This updated dataset reports the total number of days in which an extreme heat event was above a specific threshold in the 95th, 98th, and 99th percentile. Data were obtained from the Centers for Disease Control and Prevention (CDC) Environmental Public Health Tracking Network (EPHTN).

This updated dataset reports the total number of days in which an extreme heat event was above the 99th percentile between 2014-2016 at the county level. Data were obtained from the Centers for Disease Control and Prevention (CDC) Environmental Public Health Tracking Network (EPHTN).

Layer displays the percentage of weather observations in 2011 with high heat index values (103F or higher) by county.