condition	mean	min	max
4 h after light	5.2	5.2	5.2
8 h after light	5.75	4.2	7.3
12 h after light	6.9	6.5	7.3
4 h after dark	3.75	1.8	5.7
8 h after dark	15.0	3.0	27.0
12 h after dark	11.8	5.1	18.5