condition	mean	min	max
0 h after light	3.222455	0.0	6.44491
4 h after light	1.61515	1.58858	1.64172
8 h after light	4.031225	3.28026	4.78219
4 h after dark	2.3799	1.58243	3.17737
8 h after dark	2.386975	1.60023	3.17372
12 h after dark	2.378545	1.60906	3.14803