condition	mean	min	max
4 h after light	6.7	6.7	6.7
8 h after light	2.5999999999999996	2.3	2.9
12 h after light	5.5	2.7	8.3
4 h after dark	6.25	3.6	8.9
8 h after dark	15.899999999999999	9.9	21.9
12 h after dark	8.0	6.2	9.8