condition	mean	min	max
4 h after light	0.8	0.8	0.8
8 h after light	16.3	15.6	17.0
12 h after light	1.75	0.9	2.6
4 h after dark	15.6	2.5	28.7
8 h after dark	10.799999999999999	1.7	19.9
12 h after dark	1.95	0.9	3.0