A GENERAL RELATION BETWEEN FREQUENCY AND DURATION OF PRECIPITATION

LEONARD L. WEISS U.S. Weather Bureau, Washington, D.C.

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Abstract

A single, simple algebraic equation is given expressing the complete frequency-duration relationship of the precipitation regime at any station. The constants involved in the equation are theoretically fixed for the frequencies. Those for the durations are based on empirical determinations. The equation readily lends itself to use in high-speed computer programs to calculate the entire array of most usually desired frequency-duration values.

Abstract

A single, simple algebraic equation is given expressing the complete frequency-duration relationship of the precipitation regime at any station. The constants involved in the equation are theoretically fixed for the frequencies. Those for the durations are based on empirical determinations. The equation readily lends itself to use in high-speed computer programs to calculate the entire array of most usually desired frequency-duration values.

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