condition	mean	min	max
4 h after light	2.2	2.2	2.2
8 h after light	3.25	1.5	5.0
12 h after light	11.1	2.8	19.4
4 h after dark	3.15	1.3	5.0
8 h after dark	1.25	0.9	1.6
12 h after dark	1.9500000000000002	1.7	2.2