condition mean min max 4 h after light 5969.0 5969.0 5969.0 8 h after light 4715.25 4566.6 4863.9 12 h after light 4022.3500000000004 3803.9 4240.8 4 h after dark 5137.6 3712.9 6562.3 8 h after dark 5748.6 5227.2 6270.0 12 h after dark 5634.95 5188.7 6081.2