condition	mean	min	max
0 h after light	7.45429	6.17552	8.73306
4 h after light	4.34752	2.61716	6.07788
8 h after light	2.8614	1.01647	4.70633
4 h after dark	6.069295	4.54076	7.59783
8 h after dark	9.40254	8.60098	10.2041
12 h after dark	9.13378	9.03321	9.23435