condition mean min max 4 h after light 2473.6 2473.6 2473.6 8 h after light 2601.85 2587.5 2616.2 12 h after light 3129.6000000000004 2454.8 3804.4 4 h after dark 3797.45 3443.9 4151.0 8 h after dark 3887.5499999999997 3466.2 4308.9 12 h after dark 3342.2 3100.3 3584.1