condition mean min max 4 h after light 190.95555556666667 122.0166667 234.5 8 h after light 182.17388889999998 94.97 275.275 12 h after light 389.51999996666666 227.8233333 513.7433333 1.5 h after dark 502.35222219999997 314.0133333 603.1833333 5.5 h after dark 474.4877777666666 371.1433333 576.2766667 9.5 h after dark 330.37 246.65 376.7866667