The data are all over bls.gov, in far more detail than you will find convenient for processing. See my remarks down the page: https://news.ycombinator.com/item?

The data are all over bls.gov, in far more detail than you will find convenient for processing. See my remarks down the page: https://news.ycombinator.com/item?id=26386293 https://news.ycombinator.com/item?id=26386293 If they're not giving you a one-page report on the methodology for how they arrived at each individual point-in-time price figure that they recorded, well, I'm sorry, it's true, their methods are in that sense "hidden".