condition	mean	min	max
4 h after light	8288.7	8288.7	8288.7
8 h after light	8516.5	7508.0	9525.0
12 h after light	7927.25	7227.4	8627.1
4 h after dark	8936.95	8918.1	8955.8
8 h after dark	8535.05	8347.6	8722.5
12 h after dark	9062.25	8320.0	9804.5