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3 datasets

CIMIS Weather Station Data

Published by: California Department of Water Resources
Last updated: Tuesday, June 16, 2026
File types: CSV

Weather Data collected by CIMIS automatic weather stations. The data is available in CSV format. Station data include measured parameters such as sola...

i04 CIMIS Weather Stations

Published by: California Department of Water Resources
Last updated: Tuesday, June 16, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The California Irrigation Management Information System (CIMIS) currently manages over 145 active weather stations throughout the state. Archived data...

Spatial CIMIS ETo maps — Daily Reference Evapotranspiration for California

Published by: California Department of Water Resources
Last updated: Tuesday, June 16, 2026
File types: GEOTIFF, TXT

🔔 Full-year 2025 data now available — Complete daily ETo for January–December 2025 has been published, replacing the partial-year v1 file. See the Ch...