condition	mean	min	max
4 h after light	8.2	8.2	8.2
8 h after light	6.35	6.3	6.4
12 h after light	4.199999999999999	3.8	4.6
4 h after dark	7.15	4.9	9.4
8 h after dark	8.75	8.7	8.8
12 h after dark	4.6	2.4	6.8