condition	mean	min	max
4 h after light	5.40121	2.26792	8.60113
8 h after light	2.337958	0.721594	3.71839
12 h after light	2.1839033333333333	1.20808	3.74955
4 h after dark	3.0702233333333333	2.04023	3.75969
8 h after dark	2.17754	1.02505	3.00006
12 h after dark	4.52587	2.952	6.97579