condition mean min max 4 h after light 262.078208 233.539744 290.616672 8 h after light 298.8463345 297.4479 300.244769 12 h after light 380.4475085 363.019784 397.875233 4 h after dark 450.77733249999994 388.847112 512.707553 8 h after dark 450.0339925 448.914123 451.153862 12 h after dark 487.520659 487.520659 487.520659