Average Weekly Hours of All Employees: Professional and Business Services in South Dakota was 35.70000 Hours per Week in January of 2021, according to the United States Federal Reserve. Historically, Average Weekly Hours of All Employees: Professional and Business Services in South Dakota reached a record high of 37.90000 in January of 2011 and a record low of 30.10000 in January of 2007. Trading Economics provides the current actual value, an historical data chart and related indicators for Average Weekly Hours of All Employees: Professional and Business Services in South Dakota - last updated from the United States Federal Reserve on March of 2024.