Tijuana River Reserve, California

River Flow

Streamflow in the San Diego region is the most variable in the United States and differences between wet and dry years at the reserve are greater than in any other part of the country. On average, the Tijuana River has its peak flow in March. The Tijuana River can experience many months with no flow. Year to year flows are highly variable, as are monthly flows. With such a streamflow history, Tijuana Estuary may be the nation's most variable estuary (Zedler, et. al, 1992).

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