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14 datasets

CIMIS Weather Station Data

Published by: California Department of Water Resources
Last updated: Friday, October 17, 2025
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: Friday, October 17, 2025
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...

CIMIS Weather Station & Spatial CIMIS Data - Web API

Published by: California Department of Water Resources
Last updated: Friday, October 17, 2025
File types: JSON

CIMIS data is available to the public free of charge via a web Application Programming Interface (API). The CIMIS Web API delivers data over the REST...

i04 CIMIS Reference Evapotranspiration Zones v1999

Published by: California Department of Water Resources
Last updated: Friday, October 17, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The ETo Zones Map allows users to view the grass-reference evapotranspiration (ETo) Zones for the State of California. The map was developed by DWR an...

NCDC Hourly Global Surface Variables-Selected Subset

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Wednesday, October 23, 2019
File types: CSV, DOC

Holds hourly surface temperature data from weather stations across the globe, and an important source of temperature data for temperature-health studi...

California Building Climate Zones

Published by: California Energy Commission
Last updated: Friday, October 17, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

Building Climates Zones of California Climate Zone Descriptions for New Buildings - California is divided into 16 climatic boundaries or climate zones...

EZ Building Climate Zone Finder 2.0

Published by: California Energy Commission
Last updated: Friday, October 17, 2025
File types: HTML, ARCGIS GEOSERVICES REST API

The Energy Commission has developed this app to quickly and accurately show addresses and locations to determine California’s climate regions. We invi...

Building Climate Zones

Published by: California Energy Commission
Last updated: Friday, October 17, 2025
File types: HTML

The numbers used in the climate zone map don't have a title or legend. The California climate zones shown in this map are not the same as what we comm...

Data for Calculating Efficient Outdoor Water Uses

Published by: California Department of Water Resources
Last updated: Friday, October 17, 2025
File types: CSV, XLS, XLSX

October 31, 2024 (Final DWR Data) The 2018 Legislation required DWR to provide or otherwise identify data regarding the unique local conditions to ...

Quarterly Water Quality Surveys - Salton Sea [ds429]

Published by: California Department of Fish and Wildlife
Last updated: Friday, October 17, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

In the spring of 2003, California Department of Fish and Game (CDFG) personnel began quarterly sampling of Salton Sea fish at fourteen stations around...