condition mean min max 4 h after light 3346.6 3346.6 3346.6 8 h after light 3741.3 3300.3 4182.3 12 h after light 3749.05 3633.3 3864.8 4 h after dark 3328.5 3243.2 3413.8 8 h after dark 2925.8999999999996 2898.2 2953.6 12 h after dark 2970.15 2830.5 3109.8