Previous Northern Sacramento Valley ET Reports- March 2023

This report covers the CIMIS stations in Tehama County (Gerber South), Butte County (Biggs and Durham) and Colusa County (Williams). More information on using ET Reports is available here. Bookmark this page and visit weekly for the most current report.

  • Accumulations started on March 10, 2023 for pasture, table and high density olives, citrus, almond, turf grass, and rainfall. Accumulations for prune, walnuts, and vineyards will begin as soon as leafout occurs for the 2023 season and the leafout date will be noted in parentheses next to the crop.
  • Estimates are for orchard floor conditions where vegetation is managed by some combination of strip applications of herbicides, frequent mowing or tillage, and by mid and late season shading and water stress.  Weekly estimates of soil moisture loss can be as much as 25 percent higher in orchards where cover crops are planted and managed more intensively for maximum growth.
  • Typical ranges in irrigation system efficiency are: Drip, 80%-95%; Micro-sprinkler, 80%-90%; Sprinkler, 70%-85%; and Border-furrow, 50%-75%

Estimated Crop Evapotranspiration (ETc) for March 10-16, 2023

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Estimated Crop Evapotranspiration (ETc) for March 17-23, 2023

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Estimated Crop Evapotranspiration (ETc) for March 24-30, 2023

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Estimated Crop Evapotranspiration (ETc) for March 31- April 06, 2023

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