condition	mean	min	max
4 h after light	0.7	0.7	0.7
8 h after light	7.25	3.6	10.9
12 h after light	2.75	1.9	3.6
4 h after dark	2.2	1.8	2.6
8 h after dark	3.25	2.7	3.8
12 h after dark	2.25	0.8	3.7