Its average annual precipitation is close to 1,729 mm, in contrast to the rest of the country, where the average precipitation is 3,272 mm. On the other hand, despite all its territory being watered by rivers, the flow of its hydrographic network, dominated by the Tempisque River and its tributaries, such as the Bebedero, decreases notably during the dry season, which generally lasts for five or six months.
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