condition	mean	min	max
4 h after light	5.7	5.7	5.7
8 h after light	4.75	3.7	5.8
12 h after light	6.199999999999999	4.2	8.2
4 h after dark	20.75	9.2	32.3
8 h after dark	4.35	3.2	5.5
12 h after dark	5.0	3.8	6.2