condition	mean	min	max
4 h after light	20.2	20.2	20.2
8 h after light	4.1	2.4	5.8
12 h after light	12.8	6.0	19.6
4 h after dark	8.25	5.6	10.9
8 h after dark	5.699999999999999	3.2	8.2
12 h after dark	16.8	4.6	29.0