Average Weekly Hours of All Employees: Manufacturing in South Dakota was 39.90000 Hours per Week in January of 2021, according to the United States Federal Reserve. Historically, Average Weekly Hours of All Employees: Manufacturing in South Dakota reached a record high of 41.30000 in January of 2014 and a record low of 35.90000 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for Average Weekly Hours of All Employees: Manufacturing in South Dakota - last updated from the United States Federal Reserve on April of 2024.