condition mean min max 4 h after light 1.2702499999999999 1.09209 1.44841 8 h after light 1.6918250000000001 1.56849 1.81516 12 h after light 1.22961 1.05887 1.40035 4 h after dark 1.5021799999999998 1.44128 1.58585 8 h after dark 1.2766066666666667 1.09774 1.62532 12 h after dark 1.1925333333333332 1.09676 1.36814