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    Help - Water Years Overview

    A Water Year is the total amount of precipitation that falls over a location in a given year. For locations in the Northern Hemisphere, the Water Year runs from October 1st of a year through September 30th of the following year. Similarly, for locations in the Southern Hemisphere, the Water Year extends from July 1st of a year through June 30th of the next year.

    To get to the "Water Years" table, click here.