Sorry, but there’s no such thing as a Springfield CPI (consumer price index or measure of inflation); the national figure appears once a month. The ACCRA Cost of Living Index (available in a print format only at the Library Center), published quarterly, compares cost-of-living differences among the nation’s urban areas and includes Springfield, Joplin, Columbia and other regiional cities.
With the advent of the Internet, you have access to much of the same detailed economic data as the President and senior administration officials do. Since your personal investment and financial horizon will be strongly impacted by economic trends, become familiar with these sources.