condition	mean	min	max
4 h after light	1.1	1.1	1.1
8 h after light	3.05	1.4	4.7
12 h after light	4.15	2.7	5.6
4 h after dark	2.75	2.6	2.9
8 h after dark	5.1	3.2	7.0
12 h after dark	3.9	2.8	5.0