condition	mean	min	max
4 h after light	8.8	8.8	8.8
8 h after light	4.7	3.0	6.4
12 h after light	8.75	4.7	12.8
4 h after dark	12.15	7.3	17.0
8 h after dark	38.550000000000004	6.2	70.9
12 h after dark	20.45	9.0	31.9