condition	mean	min	max
4 h after light	11.6	11.6	11.6
8 h after light	9.7	7.3	12.1
12 h after light	9.7	9.1	10.3
4 h after dark	2.7	2.7	2.7
8 h after dark	7.65	2.5	12.8
12 h after dark	4.0	1.9	6.1