Abstract: Based on counts of record highs and lows, and employing reversibility in time, an approach to examining natural variability is proposed. The focus is on intrinsic variability; that is, variance separated from the trend in ...

Abstract: he ratio of record highs to record lows is examined with respect to extent of time series for monthly mean temperatures within the continental United States for 1900?2006. In counting the number of records that occur in a ...