condition	mean	min	max
4 h after light	1.5	1.5	1.5
8 h after light	6.3	4.6	8.0
12 h after light	17.200000000000003	16.8	17.6
4 h after dark	6.05	1.2	10.9
8 h after dark	33.85	16.0	51.7
12 h after dark	11.2	6.4	16.0