Some characteristics of precipitation and dry periods on Long Island

Abstract
Six years of sequential hourly precipitation data are used to investigate the frequencyfunctions of precipitation and dry periods at Brookhaven National Laboratory on LongIsland, New York. The dry period frequency function is exponentially distributed when theprecipitation and dry periods are classified by events based on meteorological and synopticconditions. The ensemble precipitation frequency function is not exponentially distributed butis a composite of several distinct frequency functions which are characteristic of nonconvectiveand convective precipitation types. These precipitation-type frequency functionsare exponentially distributed; hence individually they may be modeled as Markov processes. DOI: 10.1111/j.1600-0889.1986.tb00263.x

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