condition mean min max 4 h after light 638.6144444666667 345.46 943.4866667 8 h after light 1323.0899998999998 761.0166667 2295.343333 12 h after light 1946.93 1355.633333 3042.61 1.5 h after dark 2853.394444666667 1852.196667 4383.126667 5.5 h after dark 2508.0255556666666 1846.963333 3318.946667 9.5 h after dark 1229.8688886666666 1024.623333 1639.65