. 2021 Feb 22;12:633600. doi: 10.3389/fpls.2021.633600

TABLE 1.

Weather conditions during the growing seasons of 2018–2019 and 2019–2020.

	Month
		October	November	December	January	February	March	April	May	June	July	August	September
Year		Mean daily temperature (°C)												Mean
2018–2019		15.8	11.4	9	9.7	7.5	11	15.4	14.6	19.7	19.6	20.8	19.2	14.5
2019–2020		15.4	11	9.5	8.8	11.4	10.7	14.6	17.4	19.7	19.2	21.1	20	14.9
		Minimum daily temperature (°C)												Mean
2018–2019		7.2	3.7	3.5	4.7	2.7	4.9	8.8	8.4	11.2	11.1	12.3	9.7	7.4
2019–2020		4.9	3.3	5.7	3.5	3.7	4.4	7.1	8.8	10.4	10.1	12.3	11.1	7.1
		Maximum daily temperature (°C)												Mean
2018–2019		26.4	21.3	15.3	15.9	12.9	17.5	23.3	22.4	29.2	29.9	31.2	29.4	22.9
2019–2020		26.6	20.8	14.3	15.4	20.6	17.6	23	26.2	29.5	30.2	31.8	31.4	24.0
		Days with temperature over 30°C (no.)												Total
2018–2019		2	2	0	0	0	0	3	0	11	13	19	13	63
2019–2020		7	0	0	0	0	0	3	8	11	14	17	20	80
		Precipitation (mm)												Total
2018–2019		36.3	135.0	77.5	248.5	422.2	145.6	12.5	88.9	0.0	0.2	0.0	1.5	1,168.2
2019–2020		0.2	24.4	66.0	58.5	1.0	29.8	25.9	26.1	0.2	0.2	1.6	0.3	234.2
		Reference ET (ET_o, mm)												Total
2018–2019		97.3	53.1	38.0	35.3	40.1	82.1	133.7	189.5	190.3	189.4	174.9	138.5	1,362.1
2019–2020		115.3	56.8	23.8	37.5	81.6	84.1	132.9	163.0	197.3	194.0	169.1	126.7	1,385.1
		m³/ha												Total
2018–2019	25% ET_c	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	146.5	267.3	186.7	178.1	778.6
	50% ET_c	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	292.9	534.4	373.1	356.2	1,556.6
	100% ET_c	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	585.8	1,068.8	746.5	712.5	3,113.6
2019–2020	25% ET_c	0.0	0.0	0.0	0.0	0.0	0.0	0.0	30.2	156.3	170.6	159.6	74.2	590.9
	50% ET_c	0.0	0.0	0.0	0.0	0.0	0.0	0.0	60.6	312.7	341.3	319.2	147.9	1,181.7
	100% ET_c	0.0	0.0	0.0	0.0	0.0	0.0	0.0	121.3	625.4	682.3	638.5	295.8	2,363.3

Weather data were obtained from the CIMIS weather station #77 (Oakville, CA, United States) located at the research site.