condition mean min max 0 h after light 1.0680585 0.956627 1.17949 4 h after light 1.069 1.04971 1.08829 8 h after light 1.43859 1.34832 1.52886 4 h after dark 1.7055150000000001 1.60424 1.80679 8 h after dark 1.60084 1.53478 1.6669 12 h after dark 0.945338 0.808366 1.08231