condition	mean	min	max
4 h after light	11.8	11.8	11.8
8 h after light	11.950000000000001	2.1	21.8
12 h after light	8.9	3.5	14.3
4 h after dark	4.0	2.9	5.1
8 h after dark	12.4	4.2	20.6
12 h after dark	10.55	1.3	19.8