condition	mean	min	max
4 h after light	19.2	19.2	19.2
8 h after light	9.85	5.5	14.2
12 h after light	7.25	3.8	10.7
4 h after dark	5.550000000000001	5.2	5.9
8 h after dark	8.65	7.3	10.0
12 h after dark	12.65	7.0	18.3