Analysis of information sources in references of the Wikipedia article "Pause du réchauffement climatique" in French language version.
« Despite the robust multi-decadal warming, there exists substantial interannual to decadal variability in the rate of warming, with several periods exhibiting weaker trends (including the warming hiatus since 1998) […] Fifteen-year-long hiatus periods are common in both the observed and CMIP5 historical GMST time series. »