condition	mean	min	max
4 h after light	4.3	4.3	4.3
8 h after light	5.050000000000001	1.3	8.8
12 h after light	19.4	19.1	19.7
4 h after dark	3.85	0.9	6.8
8 h after dark	12.4	5.3	19.5
12 h after dark	12.85	8.5	17.2