condition	mean	min	max
4 h after light	3.920905	2.71744	5.12437
8 h after light	2.689935	2.51217	2.8677
12 h after light	4.317745	4.26829	4.3672
4 h after dark	7.965343333333333	7.11241	8.72726
8 h after dark	8.788396666666667	8.16919	9.10139
12 h after dark	4.57303	4.40059	4.76245