condition mean min max 4 h after light 3366.7 3366.7 3366.7 8 h after light 3102.6000000000004 2850.8 3354.4 12 h after light 2563.0 2221.2 2904.8 4 h after dark 3007.6 2456.5 3558.7 8 h after dark 3584.6499999999996 3203.2 3966.1 12 h after dark 2973.0 2763.3 3182.7