Table 1.

Data set description for yields on department level.

Crop (French name)	Seasonal type	Years with data	Filtered outliers (fraction of data)			Number of data points after filtering
			Yield	Area	Production	Yield	Area	Production
Barley (Orge)	Spring	1943–2018	228 (3.7%)	8 (0.1%)	10 (0.2%)	5,932	6,805	6,246
	Winter	1943–2018	243 (3.7%)	0 (0%)	4 (0.1%)	6,262	6,563	6,831
	Total	1900–2018	404 (3.7%)	9 (0.1%)	10 (0.1%)	10,381	10,783	10,784
Sugarbeet (Betterave)	(n.a.)	1900–2018	175 (3.5%)	13 (0.2%)	16 (0.3%)	4,783	5,225	5,103
Maize (Maïs)	(n.a.)	1900–2018	326 (3.7%)	3 (0.0%)	8 (0.1%)	8,452	8,793	8,784
Oats (Avoine)	Spring	1943–2018	232 (3.7%)	18 (0.3%)	18 (0.3%)	6,112	6,376	6,365
	Winter	1943–2018	203 (3.4%)	10 (0.2%)	14 (0.2%)	5,730	5,957	5,952
	Total	1900–2018	424 (3.9%)	1 (0.0%)	3 (0.0%)	10,341	10,781	10,777
Potatoes (Pommes de terre)	(n.a.)	1900–2018	498 (4.6%)	3 (0.0%)	52 (0.5%)	10,238	10,744	10,690
Rape (Colza)	Spring	1943–2018	67 (2.6%)	47 (1.6%)	14 (0.5%)	2,556	2,976	2,826
	Winter	1944–2018	165 (2.9%)	1 (0.0%)	6 (0.1%)	5,469	5,776	6,111
	Total	1900–2018	270 (3.3%)	3 (0.0%)	9 (0.1%)	7,830	8,161	8,219
Sunflower (Tournesol)	(n.a.)	1943–2018	110 (3.0%)	3 (0.1%)	5 (0.1%)	3,603	3,766	3,734
Soft wheat (Froment, Blé)	Spring	1943–2018	167 (3.3%)	63 (1.2%)	55 (1.1%)	4,939	5,110	5,092
	Winter	1943–2018	246 (3.5%)	4 (0.1%)	1 (0.0%)	6,759	7,009	7,010
	Total	1900–2018	378 (3.5%)	1 (0.0%)	2 (0.0%)	10,438	10,822	10,818
Durum wheat (Blé dur)	Total	1961–2018	92 (3.3%)	5 (0.2%)	5 (0.2%)	2,682	2,881	2,832
Wine (Vignoble)	(n.a.)	1900–2016	339 (3.9%)	7 (0.1%)	45 (0.5%)	8,435	8,816	8,804
Total yield data points			4,567 (3.6%)	199 (0.2%)	277 (0.2%)	120,942	127,344	126,978

A total of 11,424 data points per crop (96 departments in 119 years) would be possible.