condition	mean	min	max
4 h after light	8.3	8.3	8.3
8 h after light	9.2	4.8	13.6
12 h after light	6.2	5.7	6.7
4 h after dark	15.8	15.6	16.0
8 h after dark	13.100000000000001	7.9	18.3
12 h after dark	30.75	18.7	42.8