Average Weekly Hours of Production Employees: Manufacturing in Iowa was 39.40000 Hours per Week in January of 2021, according to the United States Federal Reserve. Historically, Average Weekly Hours of Production Employees: Manufacturing in Iowa reached a record high of 42.20000 in January of 2004 and a record low of 38.70000 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for Average Weekly Hours of Production Employees: Manufacturing in Iowa - last updated from the United States Federal Reserve on April of 2024.