condition	mean	min	max
4 h after light	1.8	1.8	1.8
8 h after light	2.6	1.8	3.4
12 h after light	5.1	4.5	5.7
4 h after dark	5.699999999999999	5.1	6.3
8 h after dark	2.4000000000000004	2.1	2.7
12 h after dark	7.7	4.4	11.0