condition	mean	min	max
4 h after light	4.4	4.4	4.4
8 h after light	5.45	4.9	6.0
12 h after light	19.400000000000002	4.6	34.2
4 h after dark	12.5	11.8	13.2
8 h after dark	7.25	7.0	7.5
12 h after dark	12.9	12.3	13.5