condition mean min max 0 h after light 0.0752235 0.0 0.150447 4 h after light 0.1112495 0.0 0.222499 8 h after light 0.29983950000000004 0.153146 0.446533 4 h after dark 0.222513 0.0 0.445026 8 h after dark 0.1864634 0.0740858 0.298841 12 h after dark 0.073486 0.0 0.146972