Current Northern Sacramento Valley ET Report

Estimated Crop Evapotranspiration (ETc) for November 6 – November 12, 2020

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.


0	Tehama County - Gerber South
Crops	Past Week	System Efficiency			Accum’d Seasonal Water Use	Next Week's Estimated ETc*

		70%	80%	90%
Almonds	0.51	0.7	0.6	0.6	49.28	0.26
Citrus	0.43	0.6	0.5	0.5	33.20	0.26
Cling Peach	0.51	0.7	0.6	0.6	42.02	0.26
Olives (Table)	0.49	0.7	0.6	0.5	38.55	0.33
Olives (Super High Density)	0.39	0.6	0.5	0.4	30.53	0.26
Pistachios	0.51	0.7	0.6	0.6	45.25	0.26
Prunes	0.35	0.5	0.4	0.4	41.95	0.21
Walnuts	0.32	0.5	0.4	0.4	41.90	0.19
Pasture [ETo]	0.65				50.91	0.40
Urban Turf Grass	0.46				41.99	0.26
Past 7 Days Precip	(0.00)
Accum'd Precip					(4.94)

	Butte County - Biggs
Crops	Past Week	System Efficiency			Accum’d Seasonal Water Use	Next Week's Estimated ETc*

		70%	80%	90%
Almonds	0.44	0.6	0.6	0.5	45.45	0.26
Citrus	0.38	0.5	0.5	0.4	30.60	0.26
Cling Peach	0.44	0.6	0.6	0.5	38.36	0.26
Olives (Table)	0.43	0.6	0.5	0.5	35.58	0.33
Olives (Super High Density)	0.33	0.5	0.4	0.4	28.14	0.26
Pistachios	0.44	0.6	0.6	0.5	41.44	0.26
Prunes	0.30	0.4	0.4	0.3	38.62	0.21
Walnuts	0.28	0.4	0.4	0.3	38.64	0.19
Pasture [ETo]	0.56				46.93	0.40
Urban Turf Grass	0.38				38.76	0.26
Past 7 Days Precip	(0.00)
Accum Precip					(2.38)

	Butte County - Durham
Crops	Past Week	System Efficiency			Accum’d Seasonal Water Use	Next Week's Estimated ETc*

		70%	80%	90%
Almonds	0.39	0.6	0.5	0.4	43.09	0.26
Citrus	0.33	0.5	0.4	0.4	28.96	0.26
Cling Peach	0.39	0.6	0.5	0.4	36.55	0.26
Olives (Table)	0.38	0.5	0.5	0.4	33.75	0.33
Olives (Super High Density)	0.30	0.4	0.4	0.3	26.65	0.26
Pistachios	0.39	0.6	0.5	0.4	39.33	0.26
Prunes	0.26	0.4	0.3	0.3	36.65	0.21
Walnuts	0.25	0.4	0.3	0.3	36.83	0.19
Pasture [ETo]	0.49				44.47	0.40
Urban Turf Grass	0.34				36.89	0.26
Past 7 Days Precip	(0.00)
Accum'd Precip					(4.23)

	Colusa County - Williams
Crops	Past Week	System Efficiency			Accum’d Seasonal Water Use	Next Week's Estimated ETc*

		70%	80%	90%
Almonds	0.49	0.7	0.6	0.5	49.95	0.26
Citrus	0.42	0.6	0.5	0.5	33.68	0.25
Cling Peach	0.49	0.7	0.6	0.5	41.99	0.26
Olives (Table)	0.50	0.7	0.6	0.6	39.24	0.32
Olives (Super High Density)	0.39	0.6	0.5	0.4	31.01	0.25
Pistachios	0.49	0.7	0.6	0.5	45.22	0.26
Prunes	0.33	0.5	0.4	0.4	42.32	0.21
Walnuts	0.32	0.5	0.4	0.4	42.23	0.18
Pasture [ETo]	0.64				51.76	0.39
Urban Turf Grass	0.45				42.66	0.25
Past 7 Days Precip	(0.00)
Accum'd Precip					(0.90)

Accumulations began on March 1, 2020, 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.

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Sacramento Valley Orchard Source

Current Northern Sacramento Valley ET Report – November 13, 2020

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