condition mean min max 4 h after light 5135.9 5135.9 5135.9 8 h after light 4235.8 3853.0 4618.6 12 h after light 2860.3999999999996 2205.2 3515.6 4 h after dark 1615.6 1428.2 1803.0 8 h after dark 2311.4 1531.8 3091.0 12 h after dark 3604.2 2668.4 4540.0