Previous Southern Sacramento Valley ET Reports – April 2018

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Posted on April 20 2018 by Katherine Jarvis-Shean
Last modified on May 4 2018

These are the weekly ET reports for April 2018. Click for the most current ET report.

Estimated Crop Evapotranspiration (ETc) for March 30 – April 5, 2018

This report covers the CIMIS stations in Woodland, Davis, Dixon, and Verona. More information on using ET Reports is available here.

Woodland
Crops Past Week Water Use Adjusted for System Efficiency Accum’d Seasonal Water Use Next Week ETc*
of Water Seasonal
Crops Use 70% 80% 90% Water Use
Almonds 0.9 1.2 1.1 0.9 2.3 0.7
Prunes 0.0 0.0 0.0 0.0 0.0 0.0
Walnuts 0.0 0.0 0.0 0.0 0.0 0.0
Past 7 Days Precip (0.3)
Accum'd Precip (2.1)
Davis Butte County - Biggs
Crops Past Week Water Use Adjusted for System Efficiency Accum’d Seasonal Water Use Next Week ETc*
Crops 70% 80% 90%
Almonds 0.8 1.2 1.0 0.9 2.2 0.7
Prunes 0.0 0.0 0.0 0.0 0.0 0.0
Walnuts 0.0 0.0 0.0 0.0 0.0 0.0
Past 7 Days Precip (0.0)
Accum Precip (2.6)
Dixon Butte County - Durham
Crops Past Week Water Use Adjusted for System Efficiency Accum’d Seasonal Water Use Next Week ETc*
Crops 70% 80% 90%
Almonds 0.8 1.2 1.0 0.9 2.2 0.7
Prunes 0.0 0.0 0.0 0.0 0.0 0.0
Walnuts 0.0 0.0 0.0 0.0 0.0 0.0
Past 7 Days Precip (0.2)
Accum'd Precip (3.2)
Verona
Crops Past Week Water Use Adjusted for System Efficiency Accum’d Seasonal Water Use Next Week ETc*
70% 80% 90%
Almonds 0.8 1.1 1.0 0.9 2.1 0.7
Prunes 0.0 0.0 0.0 0.0 0.0 0.0
Walnuts 0.0 0.0 0.0 0.0 0.0 0.0
Past 7 Days Precip (0.2)
Accum'd Precip (3.3)

  • Accumulations began on February 12, 2018, or on the approximate leafout date for a specific orchard crop.
  • *Next week’s predicted ET is based on historical averages for the CIMIS station location.
  • 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% 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 April 6 – 12, 2018

 

Woodland
Crops Past Week Water Use Adjusted for System Efficiency Accum’d Seasonal Water Use Next Week ETc*
of Water Seasonal
Crops Use 70% 80% 90% Water Use
Almonds 0.7 0.9 0.8 0.7 3.0 0.8
Prunes 0.0 0.0 0.0 0.0 0.0 0.0
Walnuts 0.0 0.0 0.0 0.0 0.0 0.0
Past 7 Days Precip (1.0)
Accum'd Precip (3.1)
Davis Butte County - Biggs
Crops Past Week Water Use Adjusted for System Efficiency Accum’d Seasonal Water Use Next Week ETc*
Crops 70% 80% 90%
Almonds 0.7 1.0 0.9 0.8 2.9 0.8
Prunes 0.0 0.0 0.0 0.0 0.0 0.0
Walnuts 0.0 0.0 0.0 0.0 0.0 0.0
Past 7 Days Precip (0.4)
Accum Precip (3.0)
Dixon Butte County - Durham
Crops Past Week Water Use Adjusted for System Efficiency Accum’d Seasonal Water Use Next Week ETc*
Crops 70% 80% 90%
Almonds 0.7 1.0 0.9 0.8 2.9 0.8
Prunes 0.0 0.0 0.0 0.0 0.0 0.0
Walnuts 0.0 0.0 0.0 0.0 0.0 0.0
Past 7 Days Precip (1.1)
Accum'd Precip (4.3)
Verona
Crops Past Week Water Use Adjusted for System Efficiency Accum’d Seasonal Water Use Next Week ETc*
70% 80% 90%
Almonds 0.6 0.9 0.8 0.7 2.8 0.8
Prunes 0.0 0.0 0.0 0.0 0.0 0.0
Walnuts 0.0 0.0 0.0 0.0 0.0 0.0
Past 7 Days Precip (1.4)
Accum'd Precip (4.7)

Estimated Crop Evapotranspiration (ETc) for April 13 – 19, 2018

 

Woodland
Crops Past Week Water Use Adjusted for System Efficiency Accum’d Seasonal Water Use Next Week ETc*
of Water Seasonal
Crops Use 70% 80% 90% Water Use
Almonds 0.9 1.3 1.2 1.0 3.9 1.2
Prunes 0.0 0.0 0.0 0.0 0.0 0.0
Walnuts 0.0 0.0 0.0 0.0 0.0 0.0
Past 7 Days Precip (0.2)
Accum'd Precip (3.3)
Davis Butte County - Biggs
Crops Past Week Water Use Adjusted for System Efficiency Accum’d Seasonal Water Use Next Week ETc*
Crops 70% 80% 90%
Almonds 0.9 1.3 1.2 1.0 3.8 1.2
Prunes 0.0 0.0 0.0 0.0 0.0 0.0
Walnuts 0.0 0.0 0.0 0.0 0.0 0.0
Past 7 Days Precip (0.1)
Accum Precip (3.1)
Dixon Butte County - Durham
Crops Past Week Water Use Adjusted for System Efficiency Accum’d Seasonal Water Use Next Week ETc*
Crops 70% 80% 90%
Almonds 0.9 1.2 1.1 1.0 3.8 1.2
Prunes 0.0 0.0 0.0 0.0 0.0 0.0
Walnuts 0.0 0.0 0.0 0.0 0.0 0.0
Past 7 Days Precip (0.3)
Accum'd Precip (4.6)
Verona
Crops Past Week Water Use Adjusted for System Efficiency Accum’d Seasonal Water Use Next Week ETc*
70% 80% 90%
Almonds 0.9 1.3 1.1 1.0 3.7 1.2
Prunes 0.0 0.0 0.0 0.0 0.0 0.0
Walnuts 0.0 0.0 0.0 0.0 0.0 0.0
Past 7 Days Precip (0.2)
Accum'd Precip (4.9)

Estimated Crop Evapotranspiration (ETc) for April 20 – 26, 2018

Woodland
Crops Past Week Water Use Adjusted for System Efficiency Accum’d Seasonal Water Use Next Week ETc*
of Water Seasonal
Crops Use 70% 80% 90% Water Use
Almonds 1.4 1.9 1.7 1.5 5.3 1.1
Prunes 0.0 0.0 0.0 0.0 0.0 0.0
Walnuts 0.0 0.0 0.0 0.0 0.0 0.0
Past 7 Days Precip (0.0)
Accum'd Precip (3.4)
Davis Butte County - Biggs
Crops Past Week Water Use Adjusted for System Efficiency Accum’d Seasonal Water Use Next Week ETc*
Crops 70% 80% 90%
Almonds 1.3 1.9 1.6 1.5 5.1 1.1
Prunes 0.0 0.0 0.0 0.0 0.0 0.0
Walnuts 0.0 0.0 0.0 0.0 0.0 0.0
Past 7 Days Precip (0.0)
Accum Precip (3.1)
Dixon Butte County - Durham
Crops Past Week Water Use Adjusted for System Efficiency Accum’d Seasonal Water Use Next Week ETc*
Crops 70% 80% 90%
Almonds 1.2 1.8 1.6 1.4 5.0 1.1
Prunes 0.0 0.0 0.0 0.0 0.0 0.0
Walnuts 0.0 0.0 0.0 0.0 0.0 0.0
Past 7 Days Precip (0.0)
Accum'd Precip (4.6)
Verona
Crops Past Week Water Use Adjusted for System Efficiency Accum’d Seasonal Water Use Next Week ETc*
70% 80% 90%
Almonds 1.2 1.8 1.6 1.4 4.9 1.1
Prunes 0.0 0.0 0.0 0.0 0.0 0.0
Walnuts 0.0 0.0 0.0 0.0 0.0 0.0
Past 7 Days Precip (0.0)
Accum'd Precip (4.9)

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