condition	mean	min	max
4 h after light	4.2	4.2	4.2
8 h after light	8.3	4.3	12.3
12 h after light	34.15	9.0	59.3
4 h after dark	9.1	3.6	14.6
8 h after dark	6.6	6.6	6.6
12 h after dark	9.6	3.3	15.9