condition	mean	min	max
4 h after light	2.2	2.2	2.2
8 h after light	9.3	4.7	13.9
12 h after light	14.45	9.9	19.0
4 h after dark	23.700000000000003	11.7	35.7
8 h after dark	20.15	13.7	26.6
12 h after dark	1.85	1.6	2.1