condition	mean	min	max
4 h after light	1.4	1.4	1.4
8 h after light	13.149999999999999	2.9	23.4
12 h after light	16.0	10.7	21.3
4 h after dark	14.85	9.7	20.0
8 h after dark	3.05	1.5	4.6
12 h after dark	5.05	2.1	8.0