condition	mean	min	max
4 h after light	1.3	1.3	1.3
8 h after light	3.7	2.7	4.7
12 h after light	5.75	0.6	10.9
4 h after dark	21.45	16.7	26.2
8 h after dark	9.85	4.3	15.4
12 h after dark	13.149999999999999	12.1	14.2