condition	mean	min	max
4 h after light	1.385235	1.04072	1.72975
8 h after light	1.61003	1.40579	1.81427
12 h after light	1.14421	1.12119	1.16723
4 h after dark	1.4773166666666666	1.13044	1.78251
8 h after dark	1.2108733333333335	1.12657	1.28573
12 h after dark	1.032764	0.278712	1.49004