condition mean min max 4 h after light 227.2595 207.039 247.48 8 h after light 208.621 188.336 228.906 12 h after light 209.77949999999998 197.234 222.325 4 h after dark 249.029 236.888 269.532 8 h after dark 337.148 293.946 369.362 12 h after dark 268.714 247.868 280.365