condition	mean	min	max
4 h after light	2.6	2.6	2.6
8 h after light	26.3	19.5	33.1
12 h after light	1.75	0.8	2.7
4 h after dark	10.45	3.7	17.2
8 h after dark	5.5	2.1	8.9
12 h after dark	19.3	17.5	21.1