condition	mean	min	max
4 h after light	5.6	5.6	5.6
8 h after light	9.7	6.4	13.0
12 h after light	17.1	16.8	17.4
4 h after dark	8.350000000000001	7.9	8.8
8 h after dark	9.5	9.1	9.9
12 h after dark	12.4	12.3	12.5