condition	mean	min	max
4 h after light	1.8	1.8	1.8
8 h after light	4.699999999999999	4.1	5.3
12 h after light	20.15	16.2	24.1
4 h after dark	17.9	2.0	33.8
8 h after dark	7.449999999999999	5.7	9.2
12 h after dark	21.25	4.3	38.2