condition mean min max 2 h after light 0.24375693333333334 0.0632816 0.525629 6 h after light 0.7199154999999999 0.451847 1.08628 10 h after light 0.38710685 0.0855021 0.7949 14 h after light 0.494917 0.0 0.999603 18 h after light 0.33089915 0.0693259 0.606416 2 h after dark 0.9575865 0.328093 1.35123