condition	mean	min	max
4 h after light	1.2	1.2	1.2
8 h after light	15.95	9.7	22.2
12 h after light	8.5	1.8	15.2
4 h after dark	14.4	10.2	18.6
8 h after dark	14.3	14.0	14.6
12 h after dark	2.3499999999999996	2.3	2.4