condition	mean	min	max
4 h after light	2.513395	2.23574	2.79105
8 h after light	2.8782750000000004	2.83841	2.91814
12 h after light	3.230785	3.11004	3.35153
4 h after dark	4.039985	3.96034	4.11963
8 h after dark	3.264455	3.16912	3.35979
12 h after dark	3.491495	3.47355	3.50944