condition	mean	min	max
0 h after light	1.366706	0.840012	1.8934
4 h after light	1.627155	1.39085	1.86346
8 h after light	1.415928	0.961966	1.86989
4 h after dark	2.840825	2.48478	3.19687
8 h after dark	2.7483	1.87713	3.61947
12 h after dark	0.980186	0.524302	1.43607