condition	mean	min	max
4 h after light	1.2	1.2	1.2
8 h after light	8.55	1.1	16.0
12 h after light	15.600000000000001	9.6	21.6
4 h after dark	10.75	4.1	17.4
8 h after dark	22.450000000000003	22.1	22.8
12 h after dark	17.05	13.8	20.3