seasonally adjusted (s. a. )

What is seasonally adjusted (s. a. )?

seasonally adjusted (s. a. ) definition and meaning on Finance terms:
Modified using a statistical technique designed to remove the effects of seasonal variations on a time series. Seasonal variations repeat themselves at around the same time every year and have a similar effect on the time series. A series may also be affected by calendar situations such as moving holidays (e. g. Easter). Time series with seasonal and calendar effects are usually adjusted for both. <