condition	mean	min	max
4 h after light	2.4	2.4	2.4
8 h after light	4.1	2.2	6.0
12 h after light	2.4	2.0	2.8
4 h after dark	2.7	2.5	2.9
8 h after dark	3.8	2.3	5.3
12 h after dark	3.4000000000000004	3.1	3.7