condition	mean	min	max
4 h after light	1.267085	1.24813	1.28604
8 h after light	1.64638	1.52186	1.7709
12 h after light	2.1807299999999996	2.15433	2.20713
4 h after dark	2.0228200000000003	1.98976	2.05588
8 h after dark	2.133025	1.98521	2.28084
12 h after dark	1.87782	1.78658	1.96906