condition	mean	min	max
4 h after light	6905.2	6905.2	6905.2
8 h after light	7855.25	7260.1	8450.4
12 h after light	8626.55	8371.3	8881.8
4 h after dark	9784.6	8727.5	10841.7
8 h after dark	8976.25	8773.6	9178.9
12 h after dark	7830.65	7360.4	8300.9