condition	mean	min	max
4 h after light	3.2	3.2	3.2
8 h after light	17.9	8.6	27.2
12 h after light	15.4	13.0	17.8
4 h after dark	23.299999999999997	18.9	27.7
8 h after dark	13.0	11.0	15.0
12 h after dark	9.4	1.5	17.3