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State of California Open Data

Annual Precipitation Data for Northern California 1944-2024

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Published by:
California Department of Water Resources
Last updated:
September 12, 2026
File details:
N/A
Access data:
Download file |
Description:

The CSV data file contains total annual precipitation data for 33 stations that were monitored by DWR's Northern Region Office from 1944 to 2024. The PDF file contains a description of stations, and methods of data collection.

API endpoint

Dataset Name

Use the query web API to retrieve data with a set of basic parameters. Copy the API endpoint you need to start.

Usage documentation