condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.34195583333333335 0.0 0.952801 14 h after light 0.29094416666666667 0.0 0.807768 18 h after light 0.0 0.0 0.0 2 h after dark 0.09041366666666667 0.0 0.542482