condition	mean	min	max
4 h after light	1.3	1.3	1.3
8 h after light	23.3	2.0	44.6
12 h after light	4.2	4.0	4.4
4 h after dark	2.05	1.7	2.4
8 h after dark	1.9	1.4	2.4
12 h after dark	2.5	1.6	3.4