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This report covers the CIMIS stations in Gerber, Biggs, Durham, and 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 1, 2024 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 2024 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 October 4 – 10 , 2024


	Tehama County - Gerber South
	Past Week of Water Use	System Efficiency			Accumulated Seasonal Water Use	Next Week's Estimated Etc

		70%	80%	90%
Almond	1.31	1.9	1.6	1.5	46.93	1.03
Citrus	0.87	1.2	1.1	1.0	30.74	0.67
Cling Peach	1.31	1.9	1.6	1.5	40.15	1.03
Olive - Table	1.00	1.4	1.3	1.1	35.70	0.81
Olive - Super High Density	0.80	1.1	1.0	0.9	28.27	0.64
Pistachio	1.31	1.9	1.6	1.5	43.24	1.03
Prune	0.99	1.4	1.2	1.1	41.23	0.74
Walnut	0.91	1.3	1.1	1.0	40.69	0.67
Pasture [ETo]	1.33				47.18	1.06
Urban Turf Grass	1.00				39.59	0.81
Past 7 days precipitation (inches)	(0.00)
Accumulated precipitation (inches)					(4.75)

	Butte County - Biggs
	Past Week of Water Use	System Efficiency			Accumulated Seasonal Water Use	Next Week's Estimated Etc

		70%	80%	90%
Almond	1.12	1.6	1.4	1.2	43.32	0.92
Citrus	0.72	1.0	0.9	0.8	28.45	0.62
Cling Peach	1.12	1.6	1.4	1.2	36.96	0.92
Olive - Table	0.86	1.2	1.1	1.0	33.02	0.72
Olive - Super High Density	0.68	1.0	0.9	0.8	26.26	0.58
Pistachio	1.12	1.6	1.4	1.2	39.55	0.92
Prune	0.84	1.2	1.1	0.9	38.01	0.66
Walnut	0.79	1.1	1.0	0.9	37.21	0.60
Pasture [ETo]	1.13				43.65	0.96
Urban Turf Grass	0.86				36.59	0.72
Past 7 days precipitation (inches)	(0.00)
Accumulated precipitation (inches)					(3.86)

	Butte County - Durham
	Past Week of Water Use	System Efficiency			Accumulated Seasonal Water Use	Next Week's Estimated Etc

		70%	80%	90%
Almond	1.02	1.5	1.3	1.1	37.76	0.86
Citrus	0.65	0.9	0.8	0.7	24.89	0.58
Cling Peach	1.02	1.5	1.3	1.1	32.13	0.86
Olive - Table	0.77	1.1	1.0	0.9	28.97	0.67
Olive - Super High Density	0.62	0.9	0.8	0.7	22.95	0.54
Pistachio	1.02	1.5	1.3	1.1	34.41	0.86
Prune	0.77	1.1	1.0	0.9	33.00	0.62
Walnut	0.70	1.0	0.9	0.8	32.43	0.56
Pasture [ETo]	1.02				38.32	0.89
Urban Turf Grass	0.77				32.21	0.67
Past 7 days precipitation (inches)	(0.00)
Accumulated precipitation (inches)					(4.49)

	Colusa County - Williams
	Past Week of Water Use	System Efficiency			Accumulated Seasonal Water Use	Next Week's Estimated Etc

		70%	80%	90%
Almond	1.18	1.7	1.5	1.3	43.75	1.02
Citrus	0.78	1.1	1.0	0.9	28.96	0.69
Cling Peach	1.18	1.7	1.5	1.3	36.93	1.02
Olive - Table	0.92	1.3	1.2	1.0	33.58	0.78
Olive - Super High Density	0.72	1.0	0.9	0.8	26.59	0.63
Pistachio	1.18	1.7	1.5	1.3	39.43	1.02
Prune	0.89	1.3	1.1	1.0	38.36	0.74
Walnut	0.83	1.2	1.0	0.9	37.45	0.65
Pasture [ETo]	1.20				44.40	1.05
Urban Turf Grass	0.92				37.20	0.78
Past 7 days precipitation (inches)	(0.00)
Accumulated precipitation (inches)					(2.45)

Estimated Crop Evapotranspiration (ETc) for Oct 11 – 17, 2024


	Tehama County - Gerber South
	Past Week of Water Use	System Efficiency			Accumulated Seasonal Water Use	Next Week's Estimated Etc

		70%	80%	90%
Almond	1.08	1.5	1.4	1.2	47.97	0.91
Citrus	0.73	1.0	0.9	0.8	31.44	0.65
Cling Peach	1.08	1.5	1.4	1.2	41.19	0.91
Olive - Table	0.86	1.2	1.1	1.0	36.53	0.73
Olive - Super High Density	0.69	1.0	0.9	0.8	28.93	0.60
Pistachio	1.08	1.5	1.4	1.2	44.28	0.91
Prune	0.80	1.1	1.0	0.9	42.00	0.64
Walnut	0.71	1.0	0.9	0.8	41.38	0.60
Pasture [ETo]	1.13				48.27	0.99
Urban Turf Grass	0.86				40.42	0.73
Past 7 days precipitation (inches)	(0.00)
Accumulated precipitation (inches)					(4.75)

	Butte County - Biggs
	Past Week of Water Use	System Efficiency			Accumulated Seasonal Water Use	Next Week's Estimated Etc

		70%	80%	90%
Almond	1.00	1.4	1.3	1.1	44.32	0.88
Citrus	0.65	0.9	0.8	0.7	29.09	0.63
Cling Peach	1.00	1.4	1.3	1.1	37.96	0.88
Olive - Table	0.77	1.1	1.0	0.9	33.78	0.72
Olive - Super High Density	0.62	0.9	0.8	0.7	26.88	0.57
Pistachio	1.00	1.4	1.3	1.1	40.55	0.88
Prune	0.72	1.0	0.9	0.8	38.73	0.62
Walnut	0.65	0.9	0.8	0.7	37.85	0.57
Pasture [ETo]	1.02				44.66	0.96
Urban Turf Grass	0.77				37.35	0.72
Past 7 days precipitation (inches)	(0.00)
Accumulated precipitation (inches)					(3.86)

	Butte County - Durham
	Past Week of Water Use	System Efficiency			Accumulated Seasonal Water Use	Next Week's Estimated Etc

		70%	80%	90%
Almond	0.82	1.2	1.0	0.9	38.55	0.75
Citrus	0.55	0.8	0.7	0.6	25.42	0.55
Cling Peach	0.82	1.2	1.0	0.9	32.92	0.75
Olive - Table	0.65	0.9	0.8	0.7	29.60	0.62
Olive - Super High Density	0.50	0.7	0.6	0.6	23.43	0.50
Pistachio	0.82	1.2	1.0	0.9	35.20	0.75
Prune	0.60	0.9	0.8	0.7	33.57	0.53
Walnut	0.52	0.7	0.7	0.6	32.93	0.50
Pasture [ETo]	0.84				39.13	0.82
Urban Turf Grass	0.65				32.84	0.62
Past 7 days precipitation (inches)	(0.00)
Accumulated precipitation (inches)					(4.49)

	Colusa County - Williams
	Past Week of Water Use	System Efficiency			Accumulated Seasonal Water Use	Next Week's Estimated Etc

		70%	80%	90%
Almond	1.00	1.4	1.3	1.1	44.74	0.93
Citrus	0.65	0.9	0.8	0.7	29.60	0.66
Cling Peach	1.00	1.4	1.3	1.1	37.92	0.93
Olive - Table	0.77	1.1	1.0	0.9	34.34	0.76
Olive - Super High Density	0.62	0.9	0.8	0.7	27.20	0.60
Pistachio	1.00	1.4	1.3	1.1	40.42	0.93
Prune	0.72	1.0	0.9	0.8	39.07	0.65
Walnut	0.65	0.9	0.8	0.7	38.10	0.60
Pasture [ETo]	1.02				45.41	1.00
Urban Turf Grass	0.77				37.96	0.76
Past 7 days precipitation (inches)	(0.00)
Accumulated precipitation (inches)					(2.45)

Estimated Crop Evapotranspiration (ETc) for Oct 18 – 24, 2024


	Tehama County - Gerber South
	Past Week of Water Use	System Efficiency			Accumulated Seasonal Water Use	Next Week's Estimated Etc

		70%	80%	90%
Almond	0.79	1.1	1.0	0.9	48.76	0.62
Citrus	0.56	0.8	0.7	0.6	32.00	0.47
Cling Peach	0.79	1.1	1.0	0.9	41.98	0.62
Olive - Table	0.65	0.9	0.8	0.7	37.18	0.54
Olive - Super High Density	0.52	0.7	0.7	0.6	29.45	0.42
Pistachio	0.79	1.1	1.0	0.9	45.07	0.62
Prune	0.57	0.8	0.7	0.6	42.57	0.42
Walnut	0.52	0.7	0.7	0.6	41.90	0.42
Pasture [ETo]	0.86				49.13	0.70
Urban Turf Grass	0.65				41.07	0.48
Past 7 days precipitation (inches)	(0.08)
Accumulated precipitation (inches)					(4.83)

	Butte County - Biggs
	Past Week of Water Use	System Efficiency			Accumulated Seasonal Water Use	Next Week's Estimated Etc

		70%	80%	90%
Almond	0.73	1.0	0.9	0.8	45.05	0.64
Citrus	0.53	0.8	0.7	0.6	29.62	0.48
Cling Peach	0.73	1.0	0.9	0.8	38.69	0.64
Olive - Table	0.61	0.9	0.8	0.7	34.39	0.55
Olive - Super High Density	0.47	0.7	0.6	0.5	27.35	0.42
Pistachio	0.73	1.0	0.9	0.8	41.28	0.64
Prune	0.53	0.8	0.7	0.6	39.26	0.42
Walnut	0.47	0.7	0.6	0.5	38.32	0.42
Pasture [ETo]	0.80				45.46	0.72
Urban Turf Grass	0.61				37.96	0.49
Past 7 days precipitation (inches)	(0.16)
Accumulated precipitation (inches)					(4.02)

	Butte County - Durham
	Past Week of Water Use	System Efficiency			Accumulated Seasonal Water Use	Next Week's Estimated Etc

		70%	80%	90%
Almond	0.63	0.9	0.8	0.7	39.18	0.53
Citrus	0.47	0.7	0.6	0.5	25.89	0.41
Cling Peach	0.63	0.9	0.8	0.7	33.55	0.53
Olive - Table	0.54	0.8	0.7	0.6	30.14	0.46
Olive - Super High Density	0.42	0.6	0.5	0.5	23.85	0.36
Pistachio	0.63	0.9	0.8	0.7	35.83	0.53
Prune	0.45	0.6	0.6	0.5	34.02	0.36
Walnut	0.42	0.6	0.5	0.5	33.35	0.36
Pasture [ETo]	0.70				39.83	0.61
Urban Turf Grass	0.54				33.38	0.41
Past 7 days precipitation (inches)	(0.03)
Accumulated precipitation (inches)					(4.52)

	Colusa County - Williams
	Past Week of Water Use	System Efficiency			Accumulated Seasonal Water Use	Next Week's Estimated Etc

		70%	80%	90%
Almond	0.80	1.1	1.0	0.9	45.54	0.71
Citrus	0.56	0.8	0.7	0.6	30.16	0.52
Cling Peach	0.80	1.1	1.0	0.9	38.72	0.71
Olive - Table	0.66	0.9	0.8	0.7	35.00	0.60
Olive - Super High Density	0.53	0.8	0.7	0.6	27.73	0.48
Pistachio	0.80	1.1	1.0	0.9	41.22	0.71
Prune	0.56	0.8	0.7	0.6	39.63	0.48
Walnut	0.53	0.8	0.7	0.6	38.63	0.48
Pasture [ETo]	0.87				46.28	0.80
Urban Turf Grass	0.66				38.62	0.56
Past 7 days precipitation (inches)	(0.03)
Accumulated precipitation (inches)					(2.48)

Estimated Crop Evapotranspiration (ETc) for Oct 25 – 31, 2024


	Tehama County - Gerber South
	Past Week of Water Use	System Efficiency			Accumulated Seasonal Water Use	Next Week's Estimated Etc

		70%	80%	90%
Almond	0.53	0.8	0.7	0.6	50.13	0.45
Citrus	0.41	0.6	0.5	0.5	33.04	0.39
Cling Peach	0.53	0.8	0.7	0.6	43.35	0.45
Olive - Table	0.47	0.7	0.6	0.5	38.39	0.45
Olive - Super High Density	0.38	0.5	0.5	0.4	30.40	0.37
Pistachio	0.53	0.8	0.7	0.6	46.44	0.45
Prune	0.35	0.5	0.4	0.4	43.49	0.33
Walnut	0.38	0.5	0.5	0.4	42.85	0.29
Pasture [ETo]	0.63				50.72	0.60
Urban Turf Grass	0.45				42.18	0.41
Past 7 days precipitation (inches)	(0.08)
Accumulated precipitation (inches)					(4.91)

	Butte County - Biggs
	Past Week of Water Use	System Efficiency			Accumulated Seasonal Water Use	Next Week's Estimated Etc

		70%	80%	90%
Almond	0.53	0.8	0.7	0.6	46.40	0.41
Citrus	0.41	0.6	0.5	0.5	30.63	0.35
Cling Peach	0.53	0.8	0.7	0.6	40.04	0.41
Olive - Table	0.48	0.7	0.6	0.5	35.58	0.39
Olive - Super High Density	0.38	0.5	0.5	0.4	28.29	0.30
Pistachio	0.53	0.8	0.7	0.6	42.63	0.41
Prune	0.34	0.5	0.4	0.4	40.16	0.28
Walnut	0.38	0.5	0.5	0.4	39.26	0.24
Pasture [ETo]	0.62				47.01	0.52
Urban Turf Grass	0.44				39.05	0.35
Past 7 days precipitation (inches)	(0.06)
Accumulated precipitation (inches)					(4.08)

	Butte County - Durham
	Past Week of Water Use	System Efficiency			Accumulated Seasonal Water Use	Next Week's Estimated Etc

		70%	80%	90%
Almond	0.44	0.6	0.6	0.5	40.32	0.32
Citrus	0.35	0.5	0.4	0.4	26.76	0.27
Cling Peach	0.44	0.6	0.6	0.5	34.69	0.32
Olive - Table	0.38	0.5	0.5	0.4	31.12	0.30
Olive - Super High Density	0.29	0.4	0.4	0.3	24.60	0.26
Pistachio	0.44	0.6	0.6	0.5	36.97	0.32
Prune	0.29	0.4	0.4	0.3	34.79	0.21
Walnut	0.29	0.4	0.4	0.3	34.10	0.22
Pasture [ETo]	0.51				41.12	0.40
Urban Turf Grass	0.35				34.27	0.28
Past 7 days precipitation (inches)	(0.01)
Accumulated precipitation (inches)					(4.53)

	Colusa County - Williams
	Past Week of Water Use	System Efficiency			Accumulated Seasonal Water Use	Next Week's Estimated Etc

		70%	80%	90%
Almond	0.59	0.8	0.7	0.7	47.11	0.45
Citrus	0.45	0.6	0.6	0.5	31.34	0.38
Cling Peach	0.59	0.8	0.7	0.7	40.29	0.45
Olive - Table	0.54	0.8	0.7	0.6	36.38	0.44
Olive - Super High Density	0.42	0.6	0.5	0.5	28.82	0.35
Pistachio	0.59	0.8	0.7	0.7	42.79	0.45
Prune	0.38	0.5	0.5	0.4	40.68	0.31
Walnut	0.42	0.6	0.5	0.5	39.72	0.30
Pasture [ETo]	0.70				48.09	0.57
Urban Turf Grass	0.49				39.88	0.39
Past 7 days precipitation (inches)	(0.00)
Accumulated precipitation (inches)					(2.48)

Sacramento Valley Orchard Source

Previous Northern Sacramento Valley ET Reports – October 2024

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