condition mean min max 4 h after light 1557.9106666666667 1464.22 1654.509 8 h after light 2129.3726666666666 1780.767 2337.31 12 h after light 1566.297 1325.058 1860.402 16 h after light 2677.6130000000003 2237.106 3279.005 4 h after dark 1992.918 1914.8020000000001 2125.0389999999998 8 h after dark 1354.191 1094.601 1512.67