condition	mean	min	max
4 h after light	7.4	7.4	7.4
8 h after light	2.7	2.6	2.8
12 h after light	19.799999999999997	19.2	20.4
4 h after dark	3.3000000000000003	1.2	5.4
8 h after dark	2.2	2.0	2.4
12 h after dark	10.75	10.0	11.5