condition	mean	min	max
4 h after light	2.9	2.9	2.9
8 h after light	21.299999999999997	10.2	32.4
12 h after light	4.75	1.8	7.7
4 h after dark	7.65	6.3	9.0
8 h after dark	15.6	7.2	24.0
12 h after dark	6.0	5.6	6.4