Real-Time Data Set (Federal Reserve Bank of Philadelphia)
This data, at the Federal Reserve Bank of Philadelphia, is based on work by Dean Croushore (of the University of Richmond) and Tom Stark (of the Federal Reserve Bank of Philadelphia).
This "real-time data set consists of vintages, or snapshots, of time series of major macroeconomic variables. The data set may be used by macroeconomic researchers to verify empirical results, to analyze policy, or to forecast." The data contains major macro variables and additional vintages are added quarterly.