condition	mean	min	max
0 h after light	4.422305	4.20439	4.64022
4 h after light	3.28716	3.16167	3.41265
8 h after light	3.461105	2.97411	3.9481
4 h after dark	3.9260650000000004	3.44293	4.4092
8 h after dark	4.43987	4.38802	4.49172
12 h after dark	3.5574149999999998	3.27191	3.84292