condition	mean	min	max
4 h after light	9.6	9.6	9.6
8 h after light	23.6	9.1	38.1
12 h after light	7.85	7.0	8.7
4 h after dark	8.75	5.3	12.2
8 h after dark	8.35	6.3	10.4
12 h after dark	6.300000000000001	5.4	7.2