Probabilistic Characteristics of Elapsed Time Between Rainfallsby Ben Chie Yen, Univ of Illinois at Urbana-Champaign, Urbana, United States,
Robert Riggins, Univ of Illinois at Urbana-Champaign, Urbana, United States,
James W. Ellerbroek, III, Univ of Illinois at Urbana-Champaign, Urbana, United States,
Abstract: The elapsed time between rainfalls is analyzed statistically using the hourly rain data at two locations: the flat-plain at Urbana, Illinois and the northwestern Appalachian foothills near Coshocton, Ohio. The probability density function (pdf) of the elapsed time is obtained. It is found that the two-parameter gamma distribution provides a much better fit of the data than the exponential distribution.
Subject Headings: Probability | Rainfall | Probability distribution | Gamma function | Parameters (statistics) | Time series analysis | Data analysis | Urban areas | North America | United States | Ohio | Illinois
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