condition	mean	min	max
4 h after light	3.9	3.9	3.9
8 h after light	9.6	7.7	11.5
12 h after light	7.449999999999999	5.8	9.1
4 h after dark	3.3	3.0	3.6
8 h after dark	5.75	4.7	6.8
12 h after dark	6.5	4.2	8.8