condition	mean	min	max
0 h after light	4.77874	4.77448	4.783
4 h after light	4.635575	4.46771	4.80344
8 h after light	2.58386	2.08291	3.08481
4 h after dark	2.684805	2.67951	2.6901
8 h after dark	2.89107	2.87894	2.9032
12 h after dark	3.261825	2.33538	4.18827