condition	mean	min	max
4 h after light	3.6846433333333333	3.01042	4.16415
8 h after light	2.310112666666667	0.890398	3.18282
12 h after light	4.203216666666667	2.77243	6.28594
4 h after dark	6.44365	5.20239	8.00977
8 h after dark	7.86978	5.31899	9.45799
12 h after dark	4.34421	4.18171	4.47212