condition	mean	min	max
4 h after light	1.9	1.9	1.9
8 h after light	44.5	21.5	67.5
12 h after light	5.8	1.9	9.7
4 h after dark	1.45	0.9	2.0
8 h after dark	17.35	7.5	27.2
12 h after dark	6.0	2.0	10.0