condition mean min max 4 h after light 2724.3 2724.3 2724.3 8 h after light 2398.3 2225.3 2571.3 12 h after light 2621.6 2483.5 2759.7 4 h after dark 2948.1000000000004 2642.8 3253.4 8 h after dark 2519.0 2413.9 2624.1 12 h after dark 2507.15 2233.3 2781.0