condition mean min max 4 h after light 2869.8 2869.8 2869.8 8 h after light 3046.1000000000004 3036.3 3055.9 12 h after light 3057.2 2861.8 3252.6 4 h after dark 2340.3999999999996 1413.1 3267.7 8 h after dark 2072.05 1698.9 2445.2 12 h after dark 2634.25 2506.3 2762.2