condition	mean	min	max
4 h after light	1.8563649999999998	1.45169	2.26104
8 h after light	2.1128400000000003	2.06088	2.1648
12 h after light	2.262435	1.94209	2.58278
4 h after dark	2.0955150000000002	1.6967	2.49433
8 h after dark	1.932405	1.72215	2.14266
12 h after dark	1.890135	1.54648	2.23379