Regional Price Parities: All Items for Washington was 109.84900 Index in January of 2022, according to the United States Federal Reserve. Historically, Regional Price Parities: All Items for Washington reached a record high of 109.84900 in January of 2022 and a record low of 102.10700 in January of 2013. Trading Economics provides the current actual value, an historical data chart and related indicators for Regional Price Parities: All Items for Washington - last updated from the United States Federal Reserve on May of 2024.