condition	mean	min	max
0 h after light	7.252845000000001	6.58976	7.91593
4 h after light	3.0615449999999997	2.38564	3.73745
8 h after light	2.8510099999999996	2.72381	2.97821
4 h after dark	4.827705	4.70847	4.94694
8 h after dark	4.46194	3.5434	5.38048
12 h after dark	5.57549	4.24776	6.90322