Average Weekly Hours of Production Employees: Manufacturing in Michigan was 40.80000 Hours per Week in January of 2021, according to the United States Federal Reserve. Historically, Average Weekly Hours of Production Employees: Manufacturing in Michigan reached a record high of 44.20000 in January of 2015 and a record low of 40.70000 in January of 2020. Trading Economics provides the current actual value, an historical data chart and related indicators for Average Weekly Hours of Production Employees: Manufacturing in Michigan - last updated from the United States Federal Reserve on March of 2024.