condition	mean	min	max
0 h after light	3.7503450000000003	3.35468	4.14601
4 h after light	7.520849999999999	6.91771	8.12399
8 h after light	2.79733	2.59716	2.9975
4 h after dark	9.736235	6.10787	13.3646
8 h after dark	19.73055	15.705	23.7561
12 h after dark	5.968165	4.45894	7.47739