condition mean min max 2 h after light 0.24307833333333334 0.0 0.875699 6 h after light 0.44390216666666665 0.188812 1.01673 10 h after light 0.3449696666666667 0.0 1.01062 14 h after light 0.6820385 0.197229 1.78727 18 h after light 0.5800290499999999 0.0958113 2.26719 2 h after dark 0.1960475 0.0 0.390394