The amount of time that New Relic stores historical data for your applications, servers, and plugins depends on your subscription level:
The data stored for this time period includes all time-series metric data reported by your applications, servers, and plugins. This includes the data you see in almost all of the New Relic APM charts and reports.
New Relic stores sample data for 7 days. This type of data includes:
New Relic retains your most recent data in one-minute increments. As the data ages, it rolls up to hour-long increments. When looking at older data in small time windows, you may notice that charts show less detail. Data aggregation depends on your subscription level:
New Relic retains certain key application metrics forever for Enterprise and Pro customers, for any number of applications. These metrics are the summary values for an application's performance:
New Relic aggregates permanent metric data to day-size increments after 90 days. To view data older than three months, use either of these methods:
Additional documentation resources include SLA report examples (end user and application server metrics in Service Level Agreement reports, useful with New Relic's REST API).
If you need additional help, get support at support.newrelic.com.