condition	mean	min	max
4 h after light	2.3	2.3	2.3
8 h after light	9.55	2.5	16.6
12 h after light	3.65	3.2	4.1
4 h after dark	3.3	3.1	3.5
8 h after dark	7.05	6.3	7.8
12 h after dark	3.4	3.0	3.8