condition mean min max 4 h after light 2342.989 2196.9970000000003 2467.136 8 h after light 2758.3006666666665 2121.466 3230.225 12 h after light 3581.466 2788.993 4456.679 16 h after light 6499.059666666667 5497.27 7624.198 4 h after dark 5001.335 4595.32 5543.904 8 h after dark 2413.1343333333334 1930.345 3009.218