condition	mean	min	max
4 h after light	4599.0	4599.0	4599.0
8 h after light	4659.05	4495.6	4822.5
12 h after light	4261.95	4196.5	4327.4
4 h after dark	4181.15	4021.9	4340.4
8 h after dark	3637.5	3502.7	3772.3
12 h after dark	3857.35	3770.6	3944.1