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6 datasets

i04 CIMIS Reference Evapotranspiration Zones v1999

Published by: California Department of Water Resources
Last updated: Wednesday, October 15, 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...

DETAW v2.0

Published by: California Department of Water Resources
Last updated: Wednesday, October 15, 2025
File types: ZIP, PDF

Delta Evapotranspiration of Applied Water (DETAW v2.0) estimates the daily actual evapotranspiration(ET) and root zone water balance on 168 sub-areas ...

i04 CIMIS Weather Stations

Published by: California Department of Water Resources
Last updated: Wednesday, October 15, 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...

Cal-SIMETAW Unit Values

Published by: California Department of Water Resources
Last updated: Thursday, October 16, 2025
File types: CSV, ZIP, PDF

_Cal-SIMETAW Unit Values_ dataset contains cumulative monthly unit values (per acre) of crop evapotranspiration (ETc), applied water (AW), and six oth...

DCD v1.0

Published by: California Department of Water Resources
Last updated: Wednesday, October 15, 2025
File types: ZIP, DSS

Delta Channel Depletion (DCD v1.0) is an extension of Delta Evapotranspiration of Applied Water (DETAWv2.0). Based on the estimation of Delta ground s...

Climate Change Projections for Water Storage Investment Program (WSIP)

Published by: California Water Commission
Last updated: Friday, October 10, 2025
File types: PDF, ZIP

To aid applicants with quantification and monetization of benefits of proposed water storage projects per Chapter 8 of Proposition 1 (Water Code secti...