condition mean min max 4 h after light 244.4947115 148.757366 340.232057 8 h after light 287.037371 234.616672 339.45807 12 h after light 273.5853415 223.765759 323.404924 4 h after dark 260.771921 206.913744 314.630098 8 h after dark 339.858232 280.750501 398.965963 12 h after dark 509.056615 509.056615 509.056615