1853-1883 Daily Averages Were Computed By Dividing Original Monthly Totals By Calendar Days. 1884-1934 Data Were Computed By Subtracting The Outside New York City Daily Average From The Total U.S. Averages, Which In Turn Were Computed By The Business Cycle Study Taken From Monthly Totals In The Commercial And Financial Chronicle. Source: Annual Reports Of The Chamber Of Commerce Of New York State For October, 1853-September, 1860; Bankers Magazine (American) For October, 1860 To December, 1861; Merchant'S Magazine For 1862-1863; Annual Reports Of The Chamber Of Commerce Of New York City For 1864-1874; The Public For 1875-1883; Commercial And Financial Chronicle, Business Cycle Study, For 1884-1943.
This NBER data series m12015 appears on the NBER website in Chapter 12 at http://www.nber.org/databases/macrohistory/contents/chapter12.html.
NBER Indicator: m12015
Release: NBER Macrohistory Database
National Bureau of Economic Research, Bank Clearings, Daily Average for United States [M12015USM144NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M12015USM144NNBR/, October 9, 2015.