condition	mean	min	max
4 h after light	3.2	3.2	3.2
8 h after light	20.75	18.0	23.5
12 h after light	1.8499999999999999	1.4	2.3
4 h after dark	5.85	4.8	6.9
8 h after dark	12.05	6.1	18.0
12 h after dark	4.5	3.6	5.4