condition	mean	min	max
4 h after light	2.2	2.2	2.2
8 h after light	8.100000000000001	7.4	8.8
12 h after light	5.85	5.1	6.6
4 h after dark	5.25	2.8	7.7
8 h after dark	6.15	6.1	6.2
12 h after dark	6.199999999999999	4.8	7.6