condition mean min max 0 h after light 1.31801 1.08428 1.55174 4 h after light 1.77416 1.1048 2.44352 8 h after light 1.62902 1.41908 1.83896 4 h after dark 5.032275 3.95535 6.1092 8 h after dark 2.525505 1.99992 3.05109 12 h after dark 1.4442735 0.618757 2.26979