condition mean min max 4 h after light 3068.0 3068.0 3068.0 8 h after light 2706.65 2621.0 2792.3 12 h after light 2365.8999999999996 2260.2 2471.6 4 h after dark 2682.35 2018.5 3346.2 8 h after dark 2760.0 2704.1 2815.9 12 h after dark 2589.3500000000004 2399.9 2778.8