condition	mean	min	max
4 h after light	4.0	4.0	4.0
8 h after light	19.400000000000002	2.7	36.1
12 h after light	6.1	5.3	6.9
4 h after dark	12.5	2.3	22.7
8 h after dark	2.9000000000000004	2.6	3.2
12 h after dark	2.6	2.5	2.7