condition	mean	min	max
4 h after light	4.1	4.1	4.1
8 h after light	21.75	16.8	26.7
12 h after light	20.799999999999997	9.2	32.4
4 h after dark	4.3	2.3	6.3
8 h after dark	17.849999999999998	5.8	29.9
12 h after dark	5.65	1.5	9.8