condition	mean	min	max
0 h after light	2.9015950000000004	2.63281	3.17038
4 h after light	2.94301	2.66139	3.22463
8 h after light	2.147315	2.0845	2.21013
4 h after dark	2.19888	1.91975	2.47801
8 h after dark	2.484435	2.21869	2.75018
12 h after dark	3.7666299999999997	3.53231	4.00095