condition	mean	min	max
4 h after light	1.8	1.8	1.8
8 h after light	4.45	2.5	6.4
12 h after light	12.55	10.1	15.0
4 h after dark	11.75	3.5	20.0
8 h after dark	3.5999999999999996	2.4	4.8
12 h after dark	10.700000000000001	2.8	18.6