For example, Fourier analysis of residuals from a linear fit to GISS data during the period January 1979 — December 2010 shows clear peaks at frequencies 1 and 2 cycles yr 1. (realclimate.org)
States can provide that certainty by establishing policy outcomes that set «clear peak demand reduction goals for their utilities based on a rigorous assessment of statewide demand response potential.» (utilitydive.com)
Students tend to take out more auto loans the further out from graduation they are, but home loans show a clear peak in 2008 followed by dips and recoveries. (lendedu.com)