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Data that are displayed are from the California Irrigation Management Information System (CIMIS) weather stations.

As of 2022, Oakville is the only active station in Napa County. For historical information, navigate to the CIMIS website, create an account (free!), login and access the "Data" tab from the menu bar. Select the type of report (hourly, daily, monthly), the date range, and the weather station (ID 077-Oakville).

Napa County Stations