condition	mean	min	max
4 h after light	17.6	17.6	17.6
8 h after light	20.799999999999997	14.2	27.4
12 h after light	12.3	9.9	14.7
4 h after dark	9.850000000000001	7.4	12.3
8 h after dark	8.65	8.3	9.0
12 h after dark	21.95	9.5	34.4