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An Approach to the Selection of a Streamflow Base Period


Wyoming streamflow records were examined to determine if base periods exist. A base period is a shorter period of record which exhibits the same statistical characteristics as the longer record and can therefore be used in simplifying the study of water resource projects.

It was determined that, for twenty-three representative streamflow gaging stations selected, the twenty-year period 1948-1968 provides sufficient information for use as a base period.

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