condition	mean	min	max
0 h after light	7.279195	7.18284	7.37555
4 h after light	5.772114999999999	4.95732	6.58691
8 h after light	3.241485	3.10747	3.3755
4 h after dark	5.391225	4.5854	6.19705
8 h after dark	5.945515	4.99368	6.89735
12 h after dark	6.46937	6.09722	6.84152