Table 3.

Summary statistics of δ¹³C_grain data, split by line

Line	δ13 C grain values
	n	Mean	Standard deviation	IQR	Minimum	Maximum	Range
CONTROL_SIT0555	6	−13.5	0.2	0.4	−13.8	−13.3	0.5
CONTROL_SIT0560	6	−13.8	0.3	0.2	−14.1	−13.2	0.9
SIT0038	3	−13.4	1.1	1.0	−14.1	−12.1	2.0
SIT0108	4	−13.9	1.1	1.0	−15.0	−12.4	2.6
SIT0150	2	−13.9	0.4	0.3	−14.2	−13.6	0.6
SIT0164	3	−13.6	0.5	0.5	−14.3	−13.3	0.9
SIT0248	3	−13.8	0.7	0.7	−14.3	−13.0	1.4
SIT0555	4	−13.7	1.1	0.9	−15.2	−12.5	2.6
SIT0560	4	−14.0	0.8	0.8	−15.0	−13.2	1.8
SIT0574	4	−13.9	1.0	1.1	−15.0	−12.8	2.3
SIT0586	2	−13.6	0.7	0.5	−14.1	−13.1	1.0
SIT0603	4	−14.1	0.7	0.6	−15.1	−13.4	1.7
SIT0616	4	−13.8	0.7	0.5	−14.9	−13.1	1.8