rolling average

Noun

 * 1) A moving average.
 * 2) * 1983, Code of Federal Regulations, Housing and Urban Development, 24
 * [...] so that a 36-month rolling average utility consumption per unit per month under paragraph (c)(1) of this section can be determined.
 * 1) * 2006, Code of Federal Regulations, Title 40, Protection of Environment:
 * (f) You must demonstrate continuous compliance on a 12-month rolling average basis determined at the end of every month (12 times per year) according to paragraphs (f)(l) and (2).
 * 1) * 2011, Woods Bowman, Finance Fundamentals for Nonprofits:
 * The simplest spending formula applies a constant spending rate to a moving (or rolling) average of the market value of the endowment over several prior years.
 * 1) * 2014, OECD Economic Surveys: Norway 2014:
 * 10-year rolling average