condition	mean	min	max
4 h after light	19.1	19.1	19.1
8 h after light	16.1	14.4	17.8
12 h after light	14.65	1.5	27.8
4 h after dark	2.75	0.9	4.6
8 h after dark	4.800000000000001	0.8	8.8
12 h after dark	12.6	7.8	17.4