condition	mean	min	max
4 h after light	6.8	6.8	6.8
8 h after light	5.25	1.2	9.3
12 h after light	20.099999999999998	5.3	34.9
4 h after dark	9.95	4.1	15.8
8 h after dark	16.849999999999998	2.8	30.9
12 h after dark	17.5	15.0	20.0